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Version:
9.0~240925-3.fc42 ▾
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/*
* Interactive disassembler (IDA).
* Copyright (c) 1990-99 by Ilfak Guilfanov.
* ALL RIGHTS RESERVED.
* E-mail: ig@datarescue.com
*
* Hitchi H8
*
*/
#include "h8.hpp"
//lint -estring(958,member) padding is required
//--------------------------------------------------------------------------
struct map_t
{
proctype_t proc;
nameNum itype;
ushort op1;
ushort op2;
};
#define MAP2 nameNum(H8_last + 1)
#define MAP3 nameNum(H8_last + 2)
#define MAP4 nameNum(H8_last + 3)
#define MAP014 nameNum(H8_last + 4)
#define EXIT_40 nameNum(H8_last + 5)
#define EXIT_54 nameNum(H8_last + 6)
#define EXIT_56 nameNum(H8_last + 7)
#define EXIT_59 nameNum(H8_last + 8)
#define EXIT_5D nameNum(H8_last + 9)
#define EXIT_7B nameNum(H8_last + 10)
static const ushort OPTYPE = 0x7F;
static const ushort i3 = 1; // zero bit + immediate 3 bits in high nibble
static const ushort i8 = 2; // immediate 8 bits
static const ushort i16 = 3; // immediate 16 bits
static const ushort i32 = 4; // immediate 32 bits
static const ushort rCCR = 5; // CCR
static const ushort rEXR = 6; // EXR
static const ushort rLB = 7; // register number in low nibble (r0l..r7h)
static const ushort rHB = 8; // register number in high nibble (r0l..r7h)
static const ushort rLW = 9; // register number in low nibble (r0..e7)
static const ushort rHW = 10; // register number in high nibble (r0..e7)
static const ushort rLL0 = 11; // register number in low nibble
// (er0..er7) high bit is zero
static const ushort rHL0 = 12; // register number in high nibble
// (er0..er7) high bit is zero
static const ushort rLL1 = 13; // register number in low nibble
// (er0..er7) high bit is one
static const ushort rHL1 = 14; // register number in high nibble
// (er0..er7) high bit is one
static const ushort C1 = 15; // constant #1
static const ushort C2 = 16; // constant #2
static const ushort C4 = 17; // constant #4
static const ushort savedHL0 = 18; // same as rHL0 but uses code3
static const ushort savedAA = 19; // absolute address in code3
static const ushort j8 = 20; // branch displacement 8 bit
static const ushort j16 = 21; // branch displacement 16 bit
static const ushort atHL = 22; // @ERx
static const ushort aa8 = 23; // 8bit address
static const ushort aa16 = 24; // 16bit address
static const ushort aa24 = 25; // 24bit address
static const ushort aa32 = 26; // 32bit address
static const ushort rMACH = 27; // MACH
static const ushort rMACL = 28; // MACL
static const ushort d16 = 29; // @(d:16, ERs)
static const ushort ai8 = 30; // @@a8
static const ushort rV0 = 31; // 16bit or 32bit register depending
// on the processor mode
static const ushort C8 = 32; // constant #8
static const ushort rVBR = 33; // VBR
static const ushort rSBR = 34; // SBR
static const ushort i4L = 35; // immediate 4 bits in low nibble
static const ushort i4H = 36; // immediate 4 bits in high nibble
static const ushort rL = 37; // register number in low nibble (depends of aux_pref)
static const ushort rH = 38; // register number in high nibble (depends of aux_pref)
static const ushort Cxh = 39; // fake imm operand, hidden
static const ushort NEXT = 0x0080; // read next byte
static const ushort CMD_SIZE = 0x0F00;
static const ushort B = 0x0100; // .b
static const ushort W = 0x0200; // .w
static const ushort L = 0x0400; // .l
static const ushort V = 0x0800; // .w or .l
static const ushort zL = 0x1000; // low nibble should be zero
static const ushort zH = 0x2000; // high nibble should be zero
static const ushort MANUAL = 0x4000; // manual processing
static const ushort X = 0x8000; // no explicit postfix
//--------------------------------------------------------------------------
static const map_t map[256] =
{
{ P300, H8_nop, NEXT|zL|zH, 0, }, // 00
{ P300, MAP2, 0, 0, }, // 01
{ P300, MAP2, 0, 0, }, // 02
{ P300, MAP2, 0, 0, }, // 03
{ P300, H8_orc, i8, rCCR, }, // 04
{ P300, H8_xorc, i8, rCCR, }, // 05
{ P300, H8_andc, i8, rCCR, }, // 06
{ P300, H8_ldc, B | i8, rCCR, }, // 07
{ P300, H8_add, B | NEXT | rHB, rLB, }, // 08
{ P300, H8_add, W | NEXT | rHW, rLW, }, // 09
{ P300, MAP2, 0, 0, }, // 0A
{ P300, MAP2, 0, 0, }, // 0B
{ P300, H8_mov, B | NEXT | rHB, rLB, }, // 0C
{ P300, H8_mov, W | NEXT | rHW, rLW, }, // 0D
{ P300, H8_addx, NEXT | rHB, rLB, }, // 0E
{ P300, MAP2, 0, 0, }, // 0F
{ P300, MAP2, 0, 0, }, // 10
{ P300, MAP2, 0, 0, }, // 11
{ P300, MAP2, 0, 0, }, // 12
{ P300, MAP2, 0, 0, }, // 13
{ P300, H8_or, B | NEXT | rHB, rLB }, // 14
{ P300, H8_xor, B | NEXT | rHB, rLB }, // 15
{ P300, H8_and, B | NEXT | rHB, rLB }, // 16
{ P300, MAP2, 0, 0, }, // 17
{ P300, H8_sub, B | NEXT | rHB, rLB }, // 18
{ P300, H8_sub, W | NEXT | rHW, rLW, }, // 19
{ P300, MAP2, 0, 0, }, // 1A
{ P300, MAP2, 0, 0, }, // 1B
{ P300, H8_cmp, B | NEXT | rHB, rLB }, // 1C
{ P300, H8_cmp, W | NEXT | rHW, rLW, }, // 1D
{ P300, H8_subx, NEXT | rHB, rLB, }, // 1E
{ P300, MAP2, 0, 0, }, // 1F
{ P300, H8_mov, B | aa8, rLB, }, // 20
{ P300, H8_mov, B | aa8, rLB, }, // 21
{ P300, H8_mov, B | aa8, rLB, }, // 22
{ P300, H8_mov, B | aa8, rLB, }, // 23
{ P300, H8_mov, B | aa8, rLB, }, // 24
{ P300, H8_mov, B | aa8, rLB, }, // 25
{ P300, H8_mov, B | aa8, rLB, }, // 26
{ P300, H8_mov, B | aa8, rLB, }, // 27
{ P300, H8_mov, B | aa8, rLB, }, // 28
{ P300, H8_mov, B | aa8, rLB, }, // 29
{ P300, H8_mov, B | aa8, rLB, }, // 2A
{ P300, H8_mov, B | aa8, rLB, }, // 2B
{ P300, H8_mov, B | aa8, rLB, }, // 2C
{ P300, H8_mov, B | aa8, rLB, }, // 2D
{ P300, H8_mov, B | aa8, rLB, }, // 2E
{ P300, H8_mov, B | aa8, rLB, }, // 2F
{ P300, H8_mov, B | rLB, B | aa8, }, // 30
{ P300, H8_mov, B | rLB, B | aa8, }, // 31
{ P300, H8_mov, B | rLB, B | aa8, }, // 32
{ P300, H8_mov, B | rLB, B | aa8, }, // 33
{ P300, H8_mov, B | rLB, B | aa8, }, // 34
{ P300, H8_mov, B | rLB, B | aa8, }, // 35
{ P300, H8_mov, B | rLB, B | aa8, }, // 36
{ P300, H8_mov, B | rLB, B | aa8, }, // 37
{ P300, H8_mov, B | rLB, B | aa8, }, // 38
{ P300, H8_mov, B | rLB, B | aa8, }, // 39
{ P300, H8_mov, B | rLB, B | aa8, }, // 3A
{ P300, H8_mov, B | rLB, B | aa8, }, // 3B
{ P300, H8_mov, B | rLB, B | aa8, }, // 3C
{ P300, H8_mov, B | rLB, B | aa8, }, // 3D
{ P300, H8_mov, B | rLB, B | aa8, }, // 3E
{ P300, H8_mov, B | rLB, B | aa8, }, // 3F
{ P300, EXIT_40, 0, 0, }, // 40
{ P300, H8_brn, j8, 0, }, // 41
{ P300, H8_bhi, j8, 0, }, // 42
{ P300, H8_bls, j8, 0, }, // 43
{ P300, H8_bcc, j8, 0, }, // 44
{ P300, H8_bcs, j8, 0, }, // 45
{ P300, H8_bne, j8, 0, }, // 46
{ P300, H8_beq, j8, 0, }, // 47
{ P300, H8_bvc, j8, 0, }, // 48
{ P300, H8_bvs, j8, 0, }, // 49
{ P300, H8_bpl, j8, 0, }, // 4A
{ P300, H8_bmi, j8, 0, }, // 4B
{ P300, H8_bge, j8, 0, }, // 4C
{ P300, H8_blt, j8, 0, }, // 4D
{ P300, H8_bgt, j8, 0, }, // 4E
{ P300, H8_ble, j8, 0, }, // 4F
{ P300, H8_mulxu, B | NEXT | rHB, rLW, }, // 50
{ P300, H8_divxu, B | NEXT | rHB, rLW, }, // 51
{ P30A, H8_mulxu, W | NEXT | rHW, rLL0, }, // 52
{ P30A, H8_divxu, W | NEXT | rHW, rLL0, }, // 53
{ P300, EXIT_54, 0, 0, }, // 54
{ P300, H8_bsr, j8, 0, }, // 55
{ P300, EXIT_56, 0, 0, }, // 56
{ P300, H8_trapa, MANUAL, 0, }, // 57
{ P300, MAP2, 0, 0, }, // 58
{ P300, EXIT_59, 0, 0, }, // 59
{ P300, H8_jmp, aa24, 0, }, // 5A
{ P300, H8_jmp, ai8, 0, }, // 5B
{ P300, H8_bsr, NEXT|zL|zH| j16,0, }, // 5C
{ P300, EXIT_5D, 0, 0, }, // 5D
{ P300, H8_jsr, aa24, 0, }, // 5E
{ P300, H8_jsr, ai8, 0, }, // 5F
{ P300, H8_bset, NEXT | rHB, rLB, }, // 60
{ P300, H8_bnot, NEXT | rHB, rLB, }, // 61
{ P300, H8_bclr, NEXT | rHB, rLB, }, // 62
{ P300, H8_btst, NEXT | rHB, rLB, }, // 63
{ P300, H8_or, W | NEXT | rHW, rLW }, // 64
{ P300, H8_xor, W | NEXT | rHW, rLW }, // 65
{ P300, H8_and, W | NEXT | rHW, rLW }, // 66
{ P300, H8_bst, NEXT | i3, rLB, }, // 67
{ P300, H8_mov, B | NEXT | atHL,rLB, }, // 68
{ P300, H8_mov, W | NEXT | atHL,rLW, }, // 69
{ P300, MAP2, 0, 0, }, // 6A
{ P300, H8_mov, MANUAL, 0, }, // 6B
{ P300, H8_mov, MANUAL, 0, }, // 6C
{ P300, H8_mov, MANUAL, 0, }, // 6D
{ P300, H8_mov, B | NEXT | d16, rLB, }, // 6E
{ P300, H8_mov, W | NEXT | d16, rLW, }, // 6F
{ P300, H8_bset, NEXT | i3, rLB, }, // 70
{ P300, H8_bnot, NEXT | i3, rLB, }, // 71
{ P300, H8_bclr, NEXT | i3, rLB, }, // 72
{ P300, H8_btst, NEXT | i3, rLB, }, // 73
{ P300, H8_bor, NEXT | i3, rLB, }, // 74
{ P300, H8_bxor, NEXT | i3, rLB, }, // 75
{ P300, H8_band, NEXT | i3, rLB, }, // 76
{ P300, H8_bld, NEXT | i3, rLB, }, // 77
{ P300, H8_mov, MANUAL, 0, }, // 78
{ P300, MAP2, 0, 0, }, // 79
{ P300, MAP2, 0, 0, }, // 7A
{ P300, EXIT_7B, 0, 0, }, // 7B
{ P300, MAP3, 0, 0, }, // 7C
{ P300, MAP3, 0, 0, }, // 7D
{ P300, MAP3, 0, 0, }, // 7E
{ P300, MAP3, 0, 0, }, // 7F
{ P300, H8_add, B | i8, rLB, }, // 80
{ P300, H8_add, B | i8, rLB, }, // 81
{ P300, H8_add, B | i8, rLB, }, // 82
{ P300, H8_add, B | i8, rLB, }, // 83
{ P300, H8_add, B | i8, rLB, }, // 84
{ P300, H8_add, B | i8, rLB, }, // 85
{ P300, H8_add, B | i8, rLB, }, // 86
{ P300, H8_add, B | i8, rLB, }, // 87
{ P300, H8_add, B | i8, rLB, }, // 88
{ P300, H8_add, B | i8, rLB, }, // 89
{ P300, H8_add, B | i8, rLB, }, // 8A
{ P300, H8_add, B | i8, rLB, }, // 8B
{ P300, H8_add, B | i8, rLB, }, // 8C
{ P300, H8_add, B | i8, rLB, }, // 8D
{ P300, H8_add, B | i8, rLB, }, // 8E
{ P300, H8_add, B | i8, rLB, }, // 8F
{ P300, H8_addx, i8, rLB, }, // 90
{ P300, H8_addx, i8, rLB, }, // 91
{ P300, H8_addx, i8, rLB, }, // 92
{ P300, H8_addx, i8, rLB, }, // 93
{ P300, H8_addx, i8, rLB, }, // 94
{ P300, H8_addx, i8, rLB, }, // 95
{ P300, H8_addx, i8, rLB, }, // 96
{ P300, H8_addx, i8, rLB, }, // 97
{ P300, H8_addx, i8, rLB, }, // 98
{ P300, H8_addx, i8, rLB, }, // 99
{ P300, H8_addx, i8, rLB, }, // 9A
{ P300, H8_addx, i8, rLB, }, // 9B
{ P300, H8_addx, i8, rLB, }, // 9C
{ P300, H8_addx, i8, rLB, }, // 9D
{ P300, H8_addx, i8, rLB, }, // 9E
{ P300, H8_addx, i8, rLB, }, // 9F
{ P300, H8_cmp, B | i8, rLB, }, // A0
{ P300, H8_cmp, B | i8, rLB, }, // A1
{ P300, H8_cmp, B | i8, rLB, }, // A2
{ P300, H8_cmp, B | i8, rLB, }, // A3
{ P300, H8_cmp, B | i8, rLB, }, // A4
{ P300, H8_cmp, B | i8, rLB, }, // A5
{ P300, H8_cmp, B | i8, rLB, }, // A6
{ P300, H8_cmp, B | i8, rLB, }, // A7
{ P300, H8_cmp, B | i8, rLB, }, // A8
{ P300, H8_cmp, B | i8, rLB, }, // A9
{ P300, H8_cmp, B | i8, rLB, }, // AA
{ P300, H8_cmp, B | i8, rLB, }, // AB
{ P300, H8_cmp, B | i8, rLB, }, // AC
{ P300, H8_cmp, B | i8, rLB, }, // AD
{ P300, H8_cmp, B | i8, rLB, }, // AE
{ P300, H8_cmp, B | i8, rLB, }, // AF
{ P300, H8_subx, i8, rLB, }, // B0
{ P300, H8_subx, i8, rLB, }, // B1
{ P300, H8_subx, i8, rLB, }, // B2
{ P300, H8_subx, i8, rLB, }, // B3
{ P300, H8_subx, i8, rLB, }, // B4
{ P300, H8_subx, i8, rLB, }, // B5
{ P300, H8_subx, i8, rLB, }, // B6
{ P300, H8_subx, i8, rLB, }, // B7
{ P300, H8_subx, i8, rLB, }, // B8
{ P300, H8_subx, i8, rLB, }, // B9
{ P300, H8_subx, i8, rLB, }, // BA
{ P300, H8_subx, i8, rLB, }, // BB
{ P300, H8_subx, i8, rLB, }, // BC
{ P300, H8_subx, i8, rLB, }, // BD
{ P300, H8_subx, i8, rLB, }, // BE
{ P300, H8_subx, i8, rLB, }, // BF
{ P300, H8_or, B | i8, rLB, }, // C0
{ P300, H8_or, B | i8, rLB, }, // C1
{ P300, H8_or, B | i8, rLB, }, // C2
{ P300, H8_or, B | i8, rLB, }, // C3
{ P300, H8_or, B | i8, rLB, }, // C4
{ P300, H8_or, B | i8, rLB, }, // C5
{ P300, H8_or, B | i8, rLB, }, // C6
{ P300, H8_or, B | i8, rLB, }, // C7
{ P300, H8_or, B | i8, rLB, }, // C8
{ P300, H8_or, B | i8, rLB, }, // C9
{ P300, H8_or, B | i8, rLB, }, // CA
{ P300, H8_or, B | i8, rLB, }, // CB
{ P300, H8_or, B | i8, rLB, }, // CC
{ P300, H8_or, B | i8, rLB, }, // CD
{ P300, H8_or, B | i8, rLB, }, // CE
{ P300, H8_or, B | i8, rLB, }, // CF
{ P300, H8_xor, B | i8, rLB, }, // D0
{ P300, H8_xor, B | i8, rLB, }, // D1
{ P300, H8_xor, B | i8, rLB, }, // D2
{ P300, H8_xor, B | i8, rLB, }, // D3
{ P300, H8_xor, B | i8, rLB, }, // D4
{ P300, H8_xor, B | i8, rLB, }, // D5
{ P300, H8_xor, B | i8, rLB, }, // D6
{ P300, H8_xor, B | i8, rLB, }, // D7
{ P300, H8_xor, B | i8, rLB, }, // D8
{ P300, H8_xor, B | i8, rLB, }, // D9
{ P300, H8_xor, B | i8, rLB, }, // DA
{ P300, H8_xor, B | i8, rLB, }, // DB
{ P300, H8_xor, B | i8, rLB, }, // DC
{ P300, H8_xor, B | i8, rLB, }, // DD
{ P300, H8_xor, B | i8, rLB, }, // DE
{ P300, H8_xor, B | i8, rLB, }, // DF
{ P300, H8_and, B | i8, rLB, }, // E0
{ P300, H8_and, B | i8, rLB, }, // E1
{ P300, H8_and, B | i8, rLB, }, // E2
{ P300, H8_and, B | i8, rLB, }, // E3
{ P300, H8_and, B | i8, rLB, }, // E4
{ P300, H8_and, B | i8, rLB, }, // E5
{ P300, H8_and, B | i8, rLB, }, // E6
{ P300, H8_and, B | i8, rLB, }, // E7
{ P300, H8_and, B | i8, rLB, }, // E8
{ P300, H8_and, B | i8, rLB, }, // E9
{ P300, H8_and, B | i8, rLB, }, // EA
{ P300, H8_and, B | i8, rLB, }, // EB
{ P300, H8_and, B | i8, rLB, }, // EC
{ P300, H8_and, B | i8, rLB, }, // ED
{ P300, H8_and, B | i8, rLB, }, // EE
{ P300, H8_and, B | i8, rLB, }, // EF
{ P300, H8_mov, B | rLB, B | i8, }, // F0
{ P300, H8_mov, B | rLB, B | i8, }, // F1
{ P300, H8_mov, B | rLB, B | i8, }, // F2
{ P300, H8_mov, B | rLB, B | i8, }, // F3
{ P300, H8_mov, B | rLB, B | i8, }, // F4
{ P300, H8_mov, B | rLB, B | i8, }, // F5
{ P300, H8_mov, B | rLB, B | i8, }, // F6
{ P300, H8_mov, B | rLB, B | i8, }, // F7
{ P300, H8_mov, B | rLB, B | i8, }, // F8
{ P300, H8_mov, B | rLB, B | i8, }, // F9
{ P300, H8_mov, B | rLB, B | i8, }, // FA
{ P300, H8_mov, B | rLB, B | i8, }, // FB
{ P300, H8_mov, B | rLB, B | i8, }, // FC
{ P300, H8_mov, B | rLB, B | i8, }, // FD
{ P300, H8_mov, B | rLB, B | i8, }, // FE
{ P300, H8_mov, B | rLB, B | i8, }, // FF
};
//--------------------------------------------------------------------------
static const map_t map2_01[16] =
{
{ P300, H8_mov, MANUAL, 0, }, // 01 0?
{ P300, H8_ldm, MANUAL, 0, }, // 01 1?
{ P300, H8_ldm, MANUAL, 0, }, // 01 2?
{ P300, H8_ldm, MANUAL, 0, }, // 01 3?
{ P300, MAP014, 0, 0, }, // 01 4?
{ none, H8_null, 0, 0, }, // 01 5?
{ P2600, H8_mac, 0, 0, }, // 01 6?
{ none, H8_null, 0, 0, }, // 01 7?
{ P300, H8_sleep, zL, 0, }, // 01 8?
{ none, H8_null, 0, 0, }, // 01 9?
{ P2600, H8_clrmac, zL, 0, }, // 01 A?
{ none, H8_null, 0, 0, }, // 01 B?
{ P300, MAP3, 0, 0, }, // 01 C?
{ P300, MAP3, 0, 0, }, // 01 D?
{ P300, H8_tas, MANUAL, 0, }, // 01 E?
{ P300, MAP3, 0, 0, }, // 01 F?
};
//--------------------------------------------------------------------------
static const map_t map2_02[16] =
{
{ P300, H8_stc, B | rCCR, rLB, }, // 02 0?
{ P300, H8_stc, B | rEXR, rLB, }, // 02 1?
{ P2600, H8_stmac, rMACH, rLL0, }, // 02 2?
{ P2600, H8_stmac, rMACL, rLL0, }, // 02 3?
{ none, H8_null, 0, 0, }, // 02 4?
{ none, H8_null, 0, 0, }, // 02 5?
{ PSX, H8_stc, L | rVBR, rLL0, }, // 02 6?
{ PSX, H8_stc, L | rSBR, rLL0, }, // 02 7?
{ none, H8_null, 0, 0, }, // 02 8?
{ none, H8_null, 0, 0, }, // 02 9?
{ none, H8_null, 0, 0, }, // 02 A?
{ none, H8_null, 0, 0, }, // 02 B?
{ none, H8_null, 0, 0, }, // 02 C?
{ none, H8_null, 0, 0, }, // 02 D?
{ none, H8_null, 0, 0, }, // 02 E?
{ none, H8_null, 0, 0, }, // 02 F?
};
//--------------------------------------------------------------------------
static const map_t map2_03[16] =
{
{ P300, H8_ldc, B | rLB, rCCR, }, // 03 0?
{ P300, H8_ldc, B | rLB, rEXR, }, // 03 1?
{ P2600, H8_ldmac, rLL0, rMACH, }, // 03 2?
{ P2600, H8_ldmac, rLL0, rMACL, }, // 03 3?
{ none, H8_null, 0, 0, }, // 03 4?
{ none, H8_null, 0, 0, }, // 03 5?
{ none, H8_null, 0, 0, }, // 03 6?
{ none, H8_null, 0, 0, }, // 03 7?
{ none, H8_null, 0, 0, }, // 03 8?
{ none, H8_null, 0, 0, }, // 03 9?
{ none, H8_null, 0, 0, }, // 03 A?
{ none, H8_null, 0, 0, }, // 03 B?
{ none, H8_null, 0, 0, }, // 03 C?
{ none, H8_null, 0, 0, }, // 03 D?
{ none, H8_null, 0, 0, }, // 03 E?
{ none, H8_null, 0, 0, }, // 03 F?
};
//--------------------------------------------------------------------------
static const map_t map2_0A[16] =
{
{ P300, H8_inc, B | Cxh, rLB, }, // 0A 0?
{ none, H8_null, 0, 0, }, // 0A 1?
{ none, H8_null, 0, 0, }, // 0A 2?
{ none, H8_null, 0, 0, }, // 0A 3?
{ none, H8_null, 0, 0, }, // 0A 4?
{ none, H8_null, 0, 0, }, // 0A 5?
{ none, H8_null, 0, 0, }, // 0A 6?
{ none, H8_null, 0, 0, }, // 0A 7?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A 8?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A 9?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A A?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A B?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A C?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A D?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A E?
{ P30A, H8_add, L | rHL1, rLL0, }, // 0A F?
};
//--------------------------------------------------------------------------
static const map_t map2_0B[16] =
{
{ P300, H8_adds, C1, rV0, }, // 0B 0?
{ none, H8_null, 0, 0, }, // 0B 1?
{ none, H8_null, 0, 0, }, // 0B 2?
{ none, H8_null, 0, 0, }, // 0B 3?
{ none, H8_null, 0, 0, }, // 0B 4?
{ P300, H8_inc, W | C1, rLW, }, // 0B 5?
{ none, H8_null, 0, 0, }, // 0B 6?
{ P30A, H8_inc, L | C1, rLL0, }, // 0B 7?
{ P300, H8_adds, C2, rV0, }, // 0B 8?
{ P30A, H8_adds, C4, rLL0, }, // 0B 9?
{ none, H8_null, 0, 0, }, // 0B A?
{ none, H8_null, 0, 0, }, // 0B B?
{ none, H8_null, 0, 0, }, // 0B C?
{ P300, H8_inc, W | C2, rLW, }, // 0B D?
{ none, H8_null, 0, 0, }, // 0B E?
{ P30A, H8_inc, L | C2, rLL0, }, // 0B F?
};
//--------------------------------------------------------------------------
static const map_t map2_0F[16] =
{
{ P300, H8_daa, rLB, 0, }, // 0F 0?
{ none, H8_null, 0, 0, }, // 0F 1?
{ none, H8_null, 0, 0, }, // 0F 2?
{ none, H8_null, 0, 0, }, // 0F 3?
{ none, H8_null, 0, 0, }, // 0F 4?
{ none, H8_null, 0, 0, }, // 0F 5?
{ none, H8_null, 0, 0, }, // 0F 6?
{ none, H8_null, 0, 0, }, // 0F 7?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F 8?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F 9?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F A?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F B?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F C?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F D?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F E?
{ P30A, H8_mov, L | rLL0, rHL1, }, // 0F F?
};
//--------------------------------------------------------------------------
static const map_t map2_10[16] =
{
{ P300, H8_shll, B | Cxh, rLB, }, // 10 0?
{ P300, H8_shll, W | Cxh, rLW, }, // 10 1?
{ PSX, H8_shll, W | C4, rLW, }, // 10 2?
{ P30A, H8_shll, L | Cxh, rLL0 }, // 10 3?
{ P300, H8_shll, B | C2, rLB, }, // 10 4?
{ P300, H8_shll, W | C2, rLW, }, // 10 5?
{ PSX, H8_shll, W | C8, rLW, }, // 10 6?
{ P30A, H8_shll, L | C2, rLL0, }, // 10 7?
{ P300, H8_shal, B | Cxh, rLB, }, // 10 8?
{ P300, H8_shal, W | Cxh, rLW, }, // 10 9?
{ PSX, H8_shll, B | C4, rLB, }, // 10 A?
{ P30A, H8_shal, L | Cxh, rLL0, }, // 10 B?
{ P300, H8_shal, B | C2, rLB, }, // 10 C?
{ P300, H8_shal, W | C2, rLW, }, // 10 D?
{ none, H8_null, 0, 0, }, // 10 E?
{ P30A, H8_shal, L | C2, rLL0, }, // 10 F?
};
//--------------------------------------------------------------------------
static const map_t map2_11[16] =
{
{ P300, H8_shlr, B | Cxh, rLB, }, // 11 0?
{ P300, H8_shlr, W | Cxh, rLW, }, // 11 1?
{ PSX, H8_shlr, W | C4, rLW, }, // 11 2?
{ P30A, H8_shlr, L | Cxh, rLL0 }, // 11 3?
{ P300, H8_shlr, B | C2, rLB, }, // 11 4?
{ P300, H8_shlr, W | C2, rLW, }, // 11 5?
{ PSX, H8_shlr, W | C8, rLW, }, // 11 6?
{ P30A, H8_shlr, L | C2, rLL0, }, // 11 7?
{ P300, H8_shar, B | Cxh, rLB, }, // 11 8?
{ P300, H8_shar, W | Cxh, rLW, }, // 11 9?
{ PSX, H8_shlr, B | C4, rLB, }, // 11 A?
{ P30A, H8_shar, L | Cxh, rLL0, }, // 11 B?
{ P300, H8_shar, B | C2, rLB, }, // 11 C?
{ P300, H8_shar, W | C2, rLW, }, // 11 D?
{ none, H8_null, 0, 0, }, // 11 E?
{ P30A, H8_shar, L | C2, rLL0, }, // 11 F?
};
//--------------------------------------------------------------------------
static const map_t map2_12[16] =
{
{ P300, H8_rotxl, B | Cxh, rLB, }, // 12 0?
{ P300, H8_rotxl, W | Cxh, rLW, }, // 12 1?
{ none, H8_null, 0, 0, }, // 12 2?
{ P30A, H8_rotxl, L | Cxh, rLL0, }, // 12 3?
{ P300, H8_rotxl, B | C2, rLB, }, // 12 4?
{ P300, H8_rotxl, W | C2, rLW, }, // 12 5?
{ none, H8_null, 0, 0, }, // 12 6?
{ P30A, H8_rotxl, L | C2, rLL0, }, // 12 7?
{ P300, H8_rotl, B | Cxh, rLB, }, // 12 8?
{ P300, H8_rotl, W | Cxh, rLW, }, // 12 9?
{ none, H8_null, 0, 0, }, // 12 A?
{ P30A, H8_rotl, L | Cxh, rLL0, }, // 12 B?
{ P300, H8_rotl, B | C2, rLB, }, // 12 C?
{ P300, H8_rotl, W | C2, rLW, }, // 12 D?
{ none, H8_null, 0, 0, }, // 12 E?
{ P30A, H8_rotl, L | C2, rLL0, }, // 12 F?
};
//--------------------------------------------------------------------------
static const map_t map2_13[16] =
{
{ P300, H8_rotxr, B | Cxh, rLB, }, // 13 0?
{ P300, H8_rotxr, W | Cxh, rLW, }, // 13 1?
{ none, H8_null, 0, 0, }, // 13 2?
{ P30A, H8_rotxr, L | Cxh, rLL0, }, // 13 3?
{ P300, H8_rotxr, B | C2, rLB, }, // 13 4?
{ P300, H8_rotxr, W | C2, rLW, }, // 13 5?
{ none, H8_null, 0, 0, }, // 13 6?
{ P30A, H8_rotxr, L | C2, rLL0, }, // 13 7?
{ P300, H8_rotr, B | Cxh, rLB, }, // 13 8?
{ P300, H8_rotr, W | Cxh, rLW, }, // 13 9?
{ none, H8_null, 0, 0, }, // 13 A?
{ P30A, H8_rotr, L | Cxh, rLL0, }, // 13 B?
{ P300, H8_rotr, B | C2, rLB, }, // 13 C?
{ P300, H8_rotr, W | C2, rLW, }, // 13 D?
{ none, H8_null, 0, 0, }, // 13 E?
{ P30A, H8_rotr, L | C2, rLL0, }, // 13 F?
};
//--------------------------------------------------------------------------
static const map_t map2_17[16] =
{
{ P300, H8_not, B | rLB, 0, }, // 17 0?
{ P300, H8_not, W | rLW, 0, }, // 17 1?
{ none, H8_null, 0, 0, }, // 17 2?
{ P30A, H8_not, L | rLL0, 0, }, // 17 3?
{ none, H8_null, 0, 0, }, // 17 4?
{ P300, H8_extu, W | Cxh, rLW, }, // 17 5?
{ PSX, H8_extu, L | C2, rLL0, }, // 17 6?
{ P30A, H8_extu, L | Cxh, rLL0, }, // 17 7?
{ P300, H8_neg, B | rLB, 0, }, // 17 8?
{ P300, H8_neg, W | rLW, 0, }, // 17 9?
{ none, H8_null, 0, 0, }, // 17 A?
{ P30A, H8_neg, L | rLL0, 0, }, // 17 B?
{ none, H8_null, 0, 0, }, // 17 C?
{ P300, H8_exts, W | Cxh, rLW, }, // 17 D?
{ PSX, H8_exts, L | C2, rLL0, }, // 17 E?
{ P30A, H8_exts, L | Cxh, rLL0, }, // 17 F?
};
//--------------------------------------------------------------------------
static const map_t map2_1A[16] =
{
{ P300, H8_dec, B | Cxh, rLB, }, // 1A 0?
{ none, H8_null, 0, 0, }, // 1A 1?
{ none, H8_null, 0, 0, }, // 1A 2?
{ none, H8_null, 0, 0, }, // 1A 3?
{ none, H8_null, 0, 0, }, // 1A 4?
{ none, H8_null, 0, 0, }, // 1A 5?
{ none, H8_null, 0, 0, }, // 1A 6?
{ none, H8_null, 0, 0, }, // 1A 7?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A 8?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A 9?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A A?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A B?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A C?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A D?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A E?
{ P30A, H8_sub, L | rHL1, rLL0, }, // 1A F?
};
//--------------------------------------------------------------------------
static const map_t map2_1B[16] =
{
{ P300, H8_subs, C1, rV0, }, // 1B 0?
{ none, H8_null, 0, 0, }, // 1B 1?
{ none, H8_null, 0, 0, }, // 1B 2?
{ none, H8_null, 0, 0, }, // 1B 3?
{ none, H8_null, 0, 0, }, // 1B 4?
{ P300, H8_dec, W | C1, rLW, }, // 1B 5?
{ none, H8_null, 0, 0, }, // 1B 6?
{ P30A, H8_dec, L | C1, rLL0, }, // 1B 7?
{ P300, H8_subs, C2, rV0, }, // 1B 8?
{ P30A, H8_subs, C4, rLL0, }, // 1B 9?
{ none, H8_null, 0, 0, }, // 1B A?
{ none, H8_null, 0, 0, }, // 1B B?
{ none, H8_null, 0, 0, }, // 1B C?
{ P300, H8_dec, W | C2, rLW, }, // 1B D?
{ none, H8_null, 0, 0, }, // 1B E?
{ P30A, H8_dec, L | C2, rLL0, }, // 1B F?
};
//--------------------------------------------------------------------------
static const map_t map2_1F[16] =
{
{ P300, H8_das, rLB, 0, }, // 1F 0?
{ none, H8_null, 0, 0, }, // 1F 1?
{ none, H8_null, 0, 0, }, // 1F 2?
{ none, H8_null, 0, 0, }, // 1F 3?
{ none, H8_null, 0, 0, }, // 1F 4?
{ none, H8_null, 0, 0, }, // 1F 5?
{ none, H8_null, 0, 0, }, // 1F 6?
{ none, H8_null, 0, 0, }, // 1F 7?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F 8?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F 9?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F A?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F B?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F C?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F D?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F E?
{ P30A, H8_cmp, L | rHL1, rLL0, }, // 1F F?
};
//--------------------------------------------------------------------------
static const map_t map2_58[16] =
{
{ P300, H8_bra, zL | j16, 0, }, // 58 0?
{ P300, H8_brn, zL | j16, 0, }, // 58 1?
{ P300, H8_bhi, zL | j16, 0, }, // 58 2?
{ P300, H8_bls, zL | j16, 0, }, // 58 3?
{ P300, H8_bcc, zL | j16, 0, }, // 58 4?
{ P300, H8_bcs, zL | j16, 0, }, // 58 5?
{ P300, H8_bne, zL | j16, 0, }, // 58 6?
{ P300, H8_beq, zL | j16, 0, }, // 58 7?
{ P300, H8_bvc, zL | j16, 0, }, // 58 8?
{ P300, H8_bvs, zL | j16, 0, }, // 58 9?
{ P300, H8_bpl, zL | j16, 0, }, // 58 A?
{ P300, H8_bmi, zL | j16, 0, }, // 58 B?
{ P300, H8_bge, zL | j16, 0, }, // 58 C?
{ P300, H8_blt, zL | j16, 0, }, // 58 D?
{ P300, H8_bgt, zL | j16, 0, }, // 58 E?
{ P300, H8_ble, zL | j16, 0, }, // 58 F?
};
//--------------------------------------------------------------------------
static const map_t map2_6A[16] =
{
{ P300, H8_mov, B | aa16, rLB, }, // 6A 0?
{ P300, MAP4, 0, 0, }, // 6A 1?
{ P300, H8_mov, B | aa32, rLB, }, // 6A 2?
{ P300, MAP4, 0, 0, }, // 6A 3?
{ P300, H8_movfpe, B | X | aa16, rLB, }, // 6A 4?
{ none, H8_null, 0, 0, }, // 6A 5?
{ none, H8_null, 0, 0, }, // 6A 6?
{ none, H8_null, 0, 0, }, // 6A 7?
{ P300, H8_mov, B | aa16, rLB, }, // 6A 8?
{ none, H8_null, 0, 0, }, // 6A 9?
{ P300, H8_mov, B | aa32, rLB, }, // 6A A?
{ none, H8_null, 0, 0, }, // 6A B?
{ P300, H8_movtpe, rLB, B | aa16, }, // 6A C?
{ none, H8_null, 0, 0, }, // 6A D?
{ none, H8_null, 0, 0, }, // 6A E?
{ none, H8_null, 0, 0, }, // 6A F?
};
//--------------------------------------------------------------------------
static const map_t map2_6A_h8sx[16] =
{
{ P300, H8_mov, B | aa16, rLB, }, // 6A 0?
{ P300, H8_null, 0, 0, }, // 6A 1?
{ P300, H8_mov, B | aa32, rLB, }, // 6A 2?
{ P300, H8_null, 0, 0, }, // 6A 3?
{ P300, H8_movfpe, B | X | aa16, rLB, }, // 6A 4?
{ none, H8_null, 0, 0, }, // 6A 5?
{ none, H8_null, 0, 0, }, // 6A 6?
{ none, H8_null, 0, 0, }, // 6A 7?
{ P300, H8_mov, B | rLB, B | aa16, }, // 6A 8?
{ none, H8_null, 0, 0, }, // 6A 9?
{ P300, H8_mov, B | rLB, B | aa32, }, // 6A A?
{ none, H8_null, 0, 0, }, // 6A B?
{ P300, H8_movtpe, rLB, B | aa16, }, // 6A C?
{ PSX, H8_mov, B | i4L, B | aa16, }, // 6A D?
{ none, H8_null, 0, 0, }, // 6A E?
{ PSX, H8_mov, B | i4L, B | aa32, }, // 6A F?
};
//--------------------------------------------------------------------------
static const map_t map2_6B_h8sx[16] =
{
{ P300, H8_mov, W | aa16, rLW, }, // 6A 0?
{ P300, H8_null, 0, 0, }, // 6A 1?
{ P300, H8_mov, W | aa32, rLW, }, // 6A 2?
{ P300, H8_null, 0, 0, }, // 6A 3?
{ P300, H8_null, 0, 0, }, // 6A 4?
{ none, H8_null, 0, 0, }, // 6A 5?
{ none, H8_null, 0, 0, }, // 6A 6?
{ none, H8_null, 0, 0, }, // 6A 7?
{ P300, H8_mov, W | rLW, W | aa16, }, // 6A 8?
{ none, H8_null, 0, 0, }, // 6A 9?
{ P300, H8_mov, W | rLW, W | aa32, }, // 6A A?
{ none, H8_null, 0, 0, }, // 6A B?
{ P300, H8_null, 0, 0, }, // 6A C?
{ PSX, H8_mov, W | i4L, W | aa16, }, // 6A D?
{ none, H8_null, 0, 0, }, // 6A E?
{ PSX, H8_mov, W | i4L, W | aa32, }, // 6A F?
};
//--------------------------------------------------------------------------
static const map_t map2_79[16] =
{
{ P300, H8_mov, W | i16, rLW }, // 79 0?
{ P300, H8_add, W | i16, rLW }, // 79 1?
{ P300, H8_cmp, W | i16, rLW }, // 79 2?
{ P300, H8_sub, W | i16, rLW }, // 79 3?
{ P300, H8_or, W | i16, rLW }, // 79 4?
{ P300, H8_xor, W | i16, rLW }, // 79 5?
{ P300, H8_and, W | i16, rLW }, // 79 6?
{ none, H8_null, 0, 0, }, // 79 7?
{ none, H8_null, 0, 0, }, // 79 8?
{ none, H8_null, 0, 0, }, // 79 9?
{ none, H8_null, 0, 0, }, // 79 A?
{ none, H8_null, 0, 0, }, // 79 B?
{ none, H8_null, 0, 0, }, // 79 C?
{ none, H8_null, 0, 0, }, // 79 D?
{ none, H8_null, 0, 0, }, // 79 E?
{ none, H8_null, 0, 0, }, // 79 F?
};
//--------------------------------------------------------------------------
static const map_t map2_7A[16] =
{
{ P30A, H8_mov, L | i32, rLL0, }, // 7A 0?
{ P30A, H8_add, L | i32, rLL0, }, // 7A 1?
{ P30A, H8_cmp, L | i32, rLL0, }, // 7A 2?
{ P30A, H8_sub, L | i32, rLL0, }, // 7A 3?
{ P30A, H8_or, L | i32, rLL0, }, // 7A 4?
{ P30A, H8_xor, L | i32, rLL0, }, // 7A 5?
{ P30A, H8_and, L | i32, rLL0, }, // 7A 6?
{ none, H8_null, 0, 0, }, // 7A 7?
{ none, H8_null, 0, 0, }, // 7A 8?
{ none, H8_null, 0, 0, }, // 7A 9?
{ none, H8_null, 0, 0, }, // 7A A?
{ none, H8_null, 0, 0, }, // 7A B?
{ none, H8_null, 0, 0, }, // 7A C?
{ none, H8_null, 0, 0, }, // 7A D?
{ none, H8_null, 0, 0, }, // 7A E?
{ none, H8_null, 0, 0, }, // 7A F?
};
//--------------------------------------------------------------------------
static const map_t map3_01C05[8] =
{
{ P300, H8_mulxs, B | NEXT | rHB, rLW, }, // 01 C0 50
{ none, H8_null, 0, 0, }, // 01 C0 51
{ P30A, H8_mulxs, W | NEXT | rHW, rLL0, }, // 01 C0 52
{ none, H8_null, 0, 0, }, // 01 C0 53
{ none, H8_null, 0, 0, }, // 01 C0 54
{ none, H8_null, 0, 0, }, // 01 C0 55
{ none, H8_null, 0, 0, }, // 01 C0 56
{ none, H8_null, 0, 0, }, // 01 C0 57
};
//--------------------------------------------------------------------------
static const map_t map3_01D05[8] =
{
{ none, H8_null, 0, 0, }, // 01 D0 50
{ P300, H8_divxs, B | NEXT | rHB, rLW, }, // 01 D0 51
{ none, H8_null, 0, 0, }, // 01 D0 52
{ P30A, H8_divxs, W | NEXT | rHW, rLL0, }, // 01 D0 53
{ none, H8_null, 0, 0, }, // 01 D0 54
{ none, H8_null, 0, 0, }, // 01 D0 55
{ none, H8_null, 0, 0, }, // 01 D0 56
{ none, H8_null, 0, 0, }, // 01 D0 57
};
//--------------------------------------------------------------------------
static const map_t map3_01F06[8] =
{
{ none, H8_null, 0, 0, }, // 01 F0 60
{ none, H8_null, 0, 0, }, // 01 F0 61
{ none, H8_null, 0, 0, }, // 01 F0 62
{ none, H8_null, 0, 0, }, // 01 F0 63
{ P30A, H8_or, L | NEXT | rHL0,rLL0, }, // 01 F0 64
{ P30A, H8_xor, L | NEXT | rHL0,rLL0, }, // 01 F0 65
{ P30A, H8_and, L | NEXT | rHL0,rLL0, }, // 01 F0 66
{ none, H8_null, 0, 0, }, // 01 F0 67
};
//--------------------------------------------------------------------------
static const map_t map3_7Cr06[8] =
{
{ none, H8_null, 0, 0, }, // 7C r0 60
{ none, H8_null, 0, 0, }, // 7C r0 61
{ none, H8_null, 0, 0, }, // 7C r0 62
{ P300, H8_btst, NEXT | rHB | zL,savedHL0, }, // 7C r0 63
{ none, H8_null, 0, 0, }, // 7C r0 64
{ none, H8_null, 0, 0, }, // 7C r0 65
{ none, H8_null, 0, 0, }, // 7C r0 66
{ none, H8_null, 0, 0, }, // 7C r0 67
};
//--------------------------------------------------------------------------
static const map_t map3_7Cr07[8] =
{
{ none, H8_null, 0, 0, }, // 7C r0 70
{ none, H8_null, 0, 0, }, // 7C r0 71
{ none, H8_null, 0, 0, }, // 7C r0 72
{ P300, H8_btst, NEXT | i3 | zL, savedHL0, }, // 7C r0 73
{ P300, H8_bor, NEXT | i3 | zL, savedHL0, }, // 7C r0 74
{ P300, H8_bxor, NEXT | i3 | zL, savedHL0, }, // 7C r0 75
{ P300, H8_band, NEXT | i3 | zL, savedHL0, }, // 7C r0 76
{ P300, H8_bld, NEXT | i3 | zL, savedHL0, }, // 7C r0 77
};
//--------------------------------------------------------------------------
static const map_t map3_7Dr06[8] =
{
{ P300, H8_bset, NEXT | rHB | zL,savedHL0, }, // 7D r0 60
{ P300, H8_bnot, NEXT | rHB | zL,savedHL0, }, // 7D r0 61
{ P300, H8_bclr, NEXT | rHB | zL,savedHL0, }, // 7D r0 62
{ none, H8_null, 0, 0, }, // 7D r0 63
{ none, H8_null, 0, 0, }, // 7D r0 64
{ none, H8_null, 0, 0, }, // 7D r0 65
{ none, H8_null, 0, 0, }, // 7D r0 66
{ P300, H8_bst, NEXT | i3 | zL,savedHL0, }, // 7D r0 67
};
//--------------------------------------------------------------------------
static const map_t map3_7Dr07[8] =
{
{ P300, H8_bset, NEXT | i3 | zL, savedHL0, }, // 7D r0 70
{ P300, H8_bnot, NEXT | i3 | zL, savedHL0, }, // 7D r0 71
{ P300, H8_bclr, NEXT | i3 | zL, savedHL0, }, // 7D r0 72
{ none, H8_null, 0, 0, }, // 7D r0 73
{ none, H8_null, 0, 0, }, // 7D r0 74
{ none, H8_null, 0, 0, }, // 7D r0 75
{ none, H8_null, 0, 0, }, // 7D r0 76
{ none, H8_null, 0, 0, }, // 7D r0 77
};
//--------------------------------------------------------------------------
static const map_t map3_7Eaa6[8] =
{
{ none, H8_null, 0, 0, }, // 7E aa 60
{ none, H8_null, 0, 0, }, // 7E aa 61
{ none, H8_null, 0, 0, }, // 7E aa 62
{ P300, H8_btst, NEXT | rHB | zL,savedAA, }, // 7E r0 63
{ none, H8_null, 0, 0, }, // 7E aa 64
{ none, H8_null, 0, 0, }, // 7E aa 65
{ none, H8_null, 0, 0, }, // 7E aa 66
{ none, H8_null, 0, 0, }, // 7E aa 67
};
//--------------------------------------------------------------------------
static const map_t map3_7Eaa7[8] =
{
{ none, H8_null, 0, 0, }, // 7E aa 70
{ none, H8_null, 0, 0, }, // 7E aa 71
{ none, H8_null, 0, 0, }, // 7E aa 72
{ P300, H8_btst, NEXT | i3 | zL, savedAA, }, // 7E aa 73
{ P300, H8_bor, NEXT | i3 | zL, savedAA, }, // 7E aa 74
{ P300, H8_bxor, NEXT | i3 | zL, savedAA, }, // 7E aa 75
{ P300, H8_band, NEXT | i3 | zL, savedAA, }, // 7E aa 76
{ P300, H8_bld, NEXT | i3 | zL, savedAA, }, // 7E aa 77
};
//--------------------------------------------------------------------------
static const map_t map3_7Faa6[8] =
{
{ P300, H8_bset, NEXT | rHB | zL,savedAA, }, // 7F aa 60
{ P300, H8_bnot, NEXT | rHB | zL,savedAA, }, // 7F aa 61
{ P300, H8_bclr, NEXT | rHB | zL,savedAA, }, // 7F aa 62
{ none, H8_null, 0, 0, }, // 7F aa 63
{ none, H8_null, 0, 0, }, // 7F aa 64
{ none, H8_null, 0, 0, }, // 7F aa 65
{ none, H8_null, 0, 0, }, // 7F aa 66
{ P300, H8_bst, NEXT | i3 | zL,savedAA, }, // 7F aa 67
};
//--------------------------------------------------------------------------
static const map_t map3_7Faa7[8] =
{
{ P300, H8_bset, NEXT | i3 | zL, savedAA, }, // 7F r0 70
{ P300, H8_bnot, NEXT | i3 | zL, savedAA, }, // 7F r0 71
{ P300, H8_bclr, NEXT | i3 | zL, savedAA, }, // 7F r0 72
{ none, H8_null, 0, 0, }, // 7F aa 73
{ none, H8_null, 0, 0, }, // 7F aa 74
{ none, H8_null, 0, 0, }, // 7F aa 75
{ none, H8_null, 0, 0, }, // 7F aa 76
{ none, H8_null, 0, 0, }, // 7F aa 77
};
//--------------------------------------------------------------------------
struct map2_pointer_t
{
uchar prefix;
const map_t *map;
};
static const map2_pointer_t map2[] =
{
{ 0x01, map2_01 },
{ 0x02, map2_02 },
{ 0x03, map2_03 },
{ 0x0A, map2_0A },
{ 0x0B, map2_0B },
{ 0x0F, map2_0F },
{ 0x10, map2_10 },
{ 0x11, map2_11 },
{ 0x12, map2_12 },
{ 0x13, map2_13 },
{ 0x17, map2_17 },
{ 0x1A, map2_1A },
{ 0x1B, map2_1B },
{ 0x1F, map2_1F },
{ 0x58, map2_58 },
{ 0x6A, map2_6A },
{ 0x79, map2_79 },
{ 0x7A, map2_7A },
};
struct map3_pointer_t
{
uint32 prefix;
uint32 mask; // bit set means that the bit is ignored
const map_t *map;
};
static const map3_pointer_t map3[] =
{
{ 0x01C05, 0x000, map3_01C05 },
{ 0x01D05, 0x000, map3_01D05 },
{ 0x01F06, 0x000, map3_01F06 },
{ 0x7C006, 0xF00, map3_7Cr06 },
{ 0x7C007, 0xF00, map3_7Cr07 },
{ 0x7D006, 0xF00, map3_7Dr06 },
{ 0x7D007, 0xF00, map3_7Dr07 },
{ 0x7E006, 0xFF0, map3_7Eaa6 },
{ 0x7E007, 0xFF0, map3_7Eaa7 },
{ 0x7F006, 0xFF0, map3_7Faa6 },
{ 0x7F007, 0xFF0, map3_7Faa7 },
};
static bool op_reg(const insn_t &insn, op_t &x, uint8 reg, ushort place, uint16 aux_assumed = aux_none);
static void op_imm(const insn_t &insn, op_t &x, uval_t val);
static void op_imm_8(op_t &x, uint8 val);
static void op_imm_3(op_t &x, uint8 val);
static bool op_aa_8(const insn_t &insn, op_t &x, uint8 val, op_dtype_t dtyp);
static bool op_reglist(op_t &x, uint8 reg, uint8 delta, bool is_inc);
//--------------------------------------------------------------------------------------
// possible address ranges for the Absolute Address operands
//
//--------------------------------------------------------------------------------------
// addressing | normal mode | advanced mode H8/300H | advanced mode H8S
//--------------+------------------+-------------------------+--------------------------
// @aa:8 | H'FF00 to H'FFFF | H'FFFF00 to H'FFFFFF | H'FFFFFF00 to H'FFFFFFFF (upper bits are 1s)
//--------------+------------------+-------------------------+--------------------------
// @aa:16 | H'0000 to H'FFFF | H'000000 to H'007FFF, | H'00000000 to H'00007FFF, (sign extension)
// | | H'FF8000 to H'FFFFFF | H'FFFF8000 to H'FFFFFFFF
//--------------+------------------+-------------------------+--------------------------
// @aa:24 | H'0000 to H'FFFF | H'000000 to H'FFFFFF | H'00000000 to H'00FFFFFF (upper bits are 0s)
//--------------+------------------+-------------------------+--------------------------
// @aa:32 | | | H'00000000 to H'FFFFFFFF
//--------------+------------------+-------------------------+--------------------------
// NB: the 8-bit address already has upper bits set to 1s by the decoder
void h8_t::trimaddr(op_t &x)
{
if ( x.szfl & disp_32 )
return;
bool mem_advanced = advanced() && !is_tiny();
if ( x.szfl & disp_16 )
{
if ( x.type == o_mem && mem_advanced && (x.addr & 0x8000) != 0 )
x.addr |= 0xFFFF0000; // sign extend
}
if ( !mem_advanced )
x.addr &= 0x00FFFF; // 64K address space
else if ( !is_h8s() )
x.addr &= 0xFFFFFF; // 16-Mbyte address space
x.addr = trunc_uval(x.addr);
}
//--------------------------------------------------------------------------
static void get_disp(insn_t &insn, op_t &x, bool disp32)
{
x.offb = (uchar)insn.size;
if ( !disp32 )
{
x.szfl |= disp_16;
x.addr = short(insn.get_next_word());
}
else
{
x.szfl |= disp_32;
x.addr = insn.get_next_dword();
}
}
//--------------------------------------------------------------------------
static void opimm8(insn_t &insn, op_t &x)
{
x.offb = (uchar)insn.size;
x.type = o_imm;
x.dtype = dt_byte;
x.value = insn.get_next_byte();
}
//--------------------------------------------------------------------------
static void opreg8(op_t &x, uint16 reg)
{
x.type = o_reg;
x.dtype = dt_byte;
x.reg = reg;
}
//--------------------------------------------------------------------------
void h8_t::opatHL(op_t &x, op_dtype_t dtyp)
{
x.type = o_phrase;
x.dtype = dtyp;
x.reg = r0() + ((code>>4) & 7);
x.phtype = ph_normal;
}
//--------------------------------------------------------------------------
static void oppost(op_t &x, uint16 reg, op_dtype_t dtyp)
{
x.type = o_phrase;
x.dtype = dtyp;
x.reg = reg;
x.phtype = ph_post_inc;
}
//--------------------------------------------------------------------------
void h8_t::opdsp16(insn_t &insn, op_t &x, op_dtype_t dtyp)
{
x.type = o_displ;
x.dtype = dtyp;
x.reg = r0() + ((code>>4) & 7);
get_disp(insn, x, false);
if ( is_off(get_flags(insn.ea), -1) )
x.addr = ushort(x.addr);
}
//--------------------------------------------------------------------------
void h8_t::opdsp32(insn_t &insn, op_t &x, op_dtype_t dtyp)
{
x.type = o_displ;
x.dtype = dtyp;
x.reg = r0() + ((code>>4) & 7);
get_disp(insn, x, true);
}
//--------------------------------------------------------------------------
static void opreg(op_t &x, uint16 reg, op_dtype_t dtyp)
{
switch ( dtyp )
{
case dt_byte:
reg += R0H;
break;
case dt_word:
reg += R0;
break;
case dt_dword:
reg += ER0;
break;
}
x.type = o_reg;
x.dtype = dtyp;
x.reg = reg;
}
//--------------------------------------------------------------------------
static char calc_dtyp(ushort flags)
{
op_dtype_t dtyp;
if ( flags & B )
dtyp = dt_byte;
else if ( flags & W )
dtyp = dt_word;
else if ( flags & L )
dtyp = dt_dword;
else
dtyp = dt_code;
return dtyp;
}
//--------------------------------------------------------------------------
bool h8_t::read_operand(insn_t &insn, op_t &x, ushort _flags)
{
if ( _flags & NEXT )
code = insn.get_next_byte();
if ( (_flags & zL) && (code & 0x0F) != 0 )
return false;
if ( (_flags & zH) && (code & 0xF0) != 0 )
return false;
switch ( _flags & OPTYPE )
{
case 0: // none
break;
case i3: // immediate 3 bits
x.type = o_imm;
x.dtype = dt_byte;
x.value = (code >> 4) & 7;
break;
case i4L: // immediate 4 bits
x.type = o_imm;
x.dtype = dt_byte;
x.value = code & 0xF;
break;
case i4H: // immediate 4 bits
x.type = o_imm;
x.value = (code >> 4) & 0xF;
x.dtype = calc_dtyp(_flags);
break;
case i8: // immediate 8 bits
opimm8(insn, x);
break;
case i16: // immediate 16 bits
x.offb = (uchar)insn.size;
x.type = o_imm;
x.dtype = dt_word;
x.value = insn.get_next_word();
break;
case i32: // immediate 32 bits
if ( !advanced() )
return false;
x.offb = (uchar)insn.size;
x.type = o_imm;
x.dtype = dt_dword;
x.value = insn.get_next_dword();
break;
case rCCR: // CCR
opreg8(x, CCR);
break;
case rEXR: // EXR
opreg8(x, EXR);
break;
case rVBR:
x.type = o_reg;
x.dtype = dt_dword;
x.reg = VBR;
break;
case rSBR:
x.type = o_reg;
x.dtype = dt_dword;
x.reg = SBR;
break;
case rLB: // register number in low nibble (r0l..r7h)
opreg8(x, R0H + (code & 15));
break;
case rHB: // register number in high nibble (r0l..r7h)
opreg8(x, R0H + ((code>>4) & 15));
break;
case rLW: // register number in low nibble (r0..e7)
LW:
x.type = o_reg;
x.dtype = dt_word;
x.reg = R0 + (code & 15);
break;
case rHW: // register number in high nibble (r0..e7)
x.type = o_reg;
x.dtype = dt_word;
x.reg = R0 + ((code>>4) & 15);
break;
case rV0: // register number in low nibble
if ( (code & 0x08) != 0 )
return false;
if ( !advanced() )
goto LW;
goto LL;
case rLL0: // register number in low nibble
if ( (code & 0x08) != 0 )
return false;
if ( !advanced() )
return false;
LL:
x.type = o_reg;
x.dtype = dt_dword;
x.reg = ER0 + (code & 7);
break;
case rHL0: // register number in high nibble
if ( (code & 0x80) != 0 )
return false;
if ( !advanced() )
return false;
HL:
x.type = o_reg;
x.dtype = dt_dword;
x.reg = ER0 + ((code>>4) & 7);
break;
case rMACH:
x.type = o_reg;
x.dtype = dt_dword;
x.reg = MACH;
break;
case rMACL:
x.type = o_reg;
x.dtype = dt_dword;
x.reg = MACL;
break;
case savedHL0: // @ERx
if ( (code3 & 0x80) != 0 )
return false;
x.type = o_phrase;
x.dtype = dt_dword;
x.reg = r0() + ((code3>>4) & 7);
x.phtype = ph_normal;
break;
case atHL: // @ERx
opatHL(x, calc_dtyp(_flags));
break;
case rLL1: // register number in low nibble
if ( (code & 0x08) == 0 )
return false;
if ( !advanced() )
return false;
goto LL;
case rHL1: // register number in high nibble
if ( (code & 0x80) == 0 )
return false;
if ( !advanced() )
return false;
goto HL;
case C1: // constant #1
x.type = o_imm;
x.dtype = dt_byte;
x.value = 1;
break;
case C2: // constant #2
x.type = o_imm;
x.dtype = dt_byte;
x.value = 2;
break;
case C4: // constant #4
x.type = o_imm;
x.dtype = dt_byte;
x.value = 4;
break;
case C8: // constant #8
x.type = o_imm;
x.dtype = dt_byte;
x.value = 8;
break;
case Cxh: // hidden o_imm op
x.type = o_imm;
x.dtype = calc_dtyp(_flags);
x.value = 1;
x.clr_shown();
break;
case savedAA:
x.type = o_mem;
x.dtype = dt_byte;
x.addr = ~0xFF | code3;
trimaddr(x);
break;
case j8:
x.offb = (uchar)insn.size;
x.type = o_near;
x.dtype = dt_code;
{
signed char disp = insn.get_next_byte();
x.addr = insn.ip + insn.size + disp;
x.addr &= ~1;
}
break;
case j16:
x.offb = (uchar)insn.size;
x.type = o_near;
x.dtype = dt_code;
{
signed short disp = insn.get_next_word();
x.addr = insn.ip + insn.size + disp;
x.addr &= ~1;
x.szfl |= disp_16;
}
break;
case aa8:
if ( !is_h8sx() )
{
x.offb = (uchar)insn.size;
x.type = o_mem;
x.dtype = calc_dtyp(_flags);
x.addr = ~0xFF | insn.get_next_byte();
trimaddr(x);
}
else
{
uint8 val = insn.get_next_byte();
op_aa_8(insn, x, val, calc_dtyp(_flags));
}
break;
case ai8:
x.offb = (uchar)insn.size;
x.type = o_mem;
x.memtype = mem_ind;
x.dtype = advanced() ? dt_dword : dt_word;
x.addr = insn.get_next_byte();
break;
case aa16:
x.type = o_mem;
x.dtype = calc_dtyp(_flags);
get_disp(insn, x, false);
trimaddr(x);
break;
case aa32:
x.type = o_mem;
x.dtype = calc_dtyp(_flags);
get_disp(insn, x, true);
break;
case aa24: // 24bit address (16bit in !advanced())
x.offb = (uchar)insn.size;
x.type = o_near;
x.dtype = calc_dtyp(_flags);
{
uint32 high = insn.get_next_byte();
if ( !advanced() && high != 0 )
return false;
x.addr = (high << 16) | insn.get_next_word();
x.szfl |= advanced() ? disp_24 : disp_16;
}
break;
case d16: // @(d:16, ERs)
opdsp16(insn, x, calc_dtyp(_flags));
break;
default:
INTERR(10092);
}
return true;
}
//--------------------------------------------------------------------------
// 01 4?
bool h8_t::map014(insn_t &insn)
{
switch ( code )
{
case 0x40:
opreg8(insn.Op2, CCR);
break;
case 0x41:
opreg8(insn.Op2, EXR);
break;
default:
return false;
}
insn.itype = H8_ldc;
code = insn.get_next_byte();
op_dtype_t dtyp = dt_word;
switch ( code )
{
case 0x04:
insn.itype = H8_orc;
dtyp = dt_byte;
opimm8(insn, insn.Op1);
break;
case 0x05:
insn.itype = H8_xorc;
dtyp = dt_byte;
opimm8(insn, insn.Op1);
break;
case 0x06:
insn.itype = H8_andc;
dtyp = dt_byte;
opimm8(insn, insn.Op1);
break;
case 0x07:
dtyp = dt_byte;
opimm8(insn, insn.Op1);
break;
case 0x69:
code = insn.get_next_byte();
if ( code & 0x0F )
return false;
opatHL(insn.Op1, dtyp);
break;
case 0x6B:
insn.Op1.type = o_mem;
insn.Op1.dtype = dtyp;
code = insn.get_next_byte();
switch ( code & 0x70 )
{
case 0x00:
get_disp(insn, insn.Op1, false);
break;
case 0x20:
get_disp(insn, insn.Op1, true);
break;
default:
return false;
}
trimaddr(insn.Op1);
break;
case 0x6D:
code = insn.get_next_byte();
if ( code & 0x0F )
return false;
oppost(insn.Op1, r0() + ((code>>4) & 7), dtyp);
break;
case 0x6F:
code = insn.get_next_byte();
if ( code & 0x0F )
return false;
opdsp16(insn, insn.Op1, dtyp);
break;
case 0x78:
code = insn.get_next_byte();
if ( code & 0x8F )
return false;
if ( insn.get_next_byte() != 0x6B )
return false;
code3 = insn.get_next_byte();
if ( (code3 & 0x70) != 0x20 )
return false;
opdsp32(insn, insn.Op1, dtyp);
code = code3;
break;
default:
return false;
}
if ( insn.itype == H8_ldc )
insn.auxpref = (dtyp == dt_word) ? aux_word : aux_byte;
return true;
}
//--------------------------------------------------------------------------
// 6A 1?
// 6A 3?
bool h8_t::map4(insn_t &insn)
{
uchar pref = code;
insn.Op2.type = o_mem;
insn.Op2.dtype = dt_byte;
get_disp(insn, insn.Op2, pref >= 0x30);
trimaddr(insn.Op2);
uchar pcode = insn.get_next_byte();
code = insn.get_next_byte();
if ( code & 0x0F )
return false;
if ( pcode >= 0x60 && pcode <= 0x63 )
{
opreg8(insn.Op1, R0H + (code >> 4));
}
else
{
insn.Op1.type = o_imm;
insn.Op1.dtype = dt_byte;
insn.Op1.value = (code >> 4) & 7;
if ( pcode >= 0x70 && pcode <= 0x73 )
if ( code & 0x80 )
return false;
}
switch ( pref )
{
case 0x10:
case 0x30:
switch ( pcode )
{
case 0x63:
case 0x73:
insn.itype = H8_btst;
break;
case 0x74:
insn.itype = H8_bor;
break;
case 0x75:
insn.itype = H8_bxor;
break;
case 0x76:
insn.itype = H8_band;
break;
case 0x77:
insn.itype = H8_bld;
break;
default:
return false;
}
break;
case 0x18:
case 0x38:
switch ( pcode )
{
case 0x60:
case 0x70:
insn.itype = H8_bset;
break;
case 0x61:
case 0x71:
insn.itype = H8_bnot;
break;
case 0x62:
case 0x72:
insn.itype = H8_bclr;
break;
case 0x67:
insn.itype = H8_bst;
break;
}
break;
default:
return false;
}
return true;
}
//--------------------------------------------------------------------------
inline void swap_Op1_Op2(insn_t &insn)
{
op_t x = insn.Op1;
insn.Op1 = insn.Op2;
insn.Op2 = x;
insn.Op1.n = 0;
insn.Op2.n = 1;
}
//--------------------------------------------------------------------------
int h8_t::ana(insn_t *pinsn)
{
insn_t &insn = *pinsn;
code = insn.get_next_byte();
uchar code0 = code;
op_dtype_t dtyp;
int idx = code;
const map_t *m = map;
int i = -1;
bool noswap = false;
while ( 1 )
{
uint32 p3;
m += idx;
if ( (m->proc & ptype) == 0 )
return 0;
insn.itype = m->itype;
switch ( insn.itype )
{
case H8_null:
return 0;
case EXIT_40:
return exit_40(insn);
case EXIT_54:
return exit_54_56(insn, H8_rts, H8_rtsl);
case EXIT_56:
return exit_54_56(insn, H8_rte, H8_rtel);
case EXIT_59:
return exit_59_5D(insn, H8_jmp, H8_bra);
case EXIT_5D:
return exit_59_5D(insn, H8_jsr, H8_bsr);
case EXIT_7B:
return exit_7B(insn);
case H8_ldm: // 01 [123]?
if ( !advanced() )
return false;
if ( code & 15 )
return 0;
insn.Op2.nregs = (code >> 4) + 1;
if ( insn.get_next_byte() != 0x6D )
return 0;
code = insn.get_next_byte();
if ( (code & 0x78) != 0x70 )
return 0;
insn.auxpref = aux_long; // .l
insn.Op1.type = o_phrase;
insn.Op1.phtype = ph_post_inc;
insn.Op1.dtype = dt_dword;
insn.Op1.phrase = ER7;
insn.Op2.type = o_reglist;
insn.Op2.dtype = dt_dword;
insn.Op2.reg = ER0 + (code & 7);
if ( (code & 0x80) == 0 )
insn.Op2.reg -= insn.Op2.nregs - 1;
switch ( insn.Op2.nregs )
{
case 2:
if ( insn.Op2.reg != ER0
&& insn.Op2.reg != ER2
&& insn.Op2.reg != ER4
&& insn.Op2.reg != ER6 )
{
return 0;
}
break;
case 3:
case 4:
if ( insn.Op2.reg != ER0
&& insn.Op2.reg != ER4 )
{
return 0;
}
break;
}
break;
case H8_mac: // 01 6?
if ( code & 15 )
return 0;
if ( insn.get_next_byte() != 0x6D )
return 0;
code = insn.get_next_byte();
if ( code & 0x88 )
return 0;
oppost(insn.Op1, ER0 + ((code>>4) & 7), dt_dword);
oppost(insn.Op2, ER0 + ( code & 7), dt_dword);
break;
case H8_mov:
if ( (m->op1 & MANUAL) == 0 )
{
if ( code0 == 0xC || code0 == 0xD )
noswap = true;
break;
}
switch ( code )
{
case 0x00: // 01 0?
if ( !advanced() )
return false;
insn.auxpref = aux_long;
dtyp = dt_dword;
switch ( insn.get_next_byte() )
{
case 0x69:
code = insn.get_next_byte();
if ( code & 0x08 )
return 0;
opatHL(insn.Op1, dtyp);
opreg(insn.Op2, code & 7, dtyp);
break;
case 0x6B:
goto MOVABS;
case 0x6D:
goto MOVPOST;
case 0x6F:
code = insn.get_next_byte();
opdsp16(insn, insn.Op1, dtyp);
opreg(insn.Op2, code & 7, dtyp);
break;
case 0x78:
code = insn.get_next_byte();
if ( code & 0x0F )
return 0;
if ( insn.get_next_byte() != 0x6B )
return 0;
goto MOVDISP32;
default:
return 0;
}
break;
case 0x6B: // mov.w @aa, Rd
if ( is_h8sx() )
return h8sx_6B(insn);
insn.auxpref = aux_word;
dtyp = dt_word;
MOVABS:
code = insn.get_next_byte();
insn.Op1.type = o_mem;
insn.Op1.dtype = dtyp;
switch ( (code >> 4) & 7 )
{
case 0x0:
get_disp(insn, insn.Op1, false);
break;
case 0x2:
get_disp(insn, insn.Op1, true);
break;
default:
return 0;
}
trimaddr(insn.Op1);
opreg(insn.Op2, code & 15, dtyp);
break;
case 0x6C: // byte mov.b @ERs+, Rd
dtyp = dt_byte;
insn.auxpref = aux_byte;
goto MOVPOST;
case 0x6D: // word mov.w @ERs+, Rd
dtyp = dt_word;
insn.auxpref = aux_word;
MOVPOST:
code = insn.get_next_byte();
if ( dtyp == dt_dword && (code & 0x08) )
return 0;
switch ( code & 0xF0 )
{
case 0x70: // pop
insn.itype = H8_pop;
opreg(insn.Op1, (code & 15), dtyp);
break;
case 0xF0: // push
insn.itype = H8_push;
opreg(insn.Op1, (code & 15), dtyp);
break;
default: // mov
oppost(insn.Op1, r0() + ((code>>4) & 7), dtyp);
opreg(insn.Op2, (code & 15), dtyp);
break;
}
break;
case 0x78: // 78 ?0 6A 2?
if ( is_h8sx() )
return h8sx_78(insn);
{
code = insn.get_next_byte();
if ( code & 0x8F )
return 0;
switch ( insn.get_next_byte() )
{
case 0x6A: // byte
insn.auxpref = aux_byte;
dtyp = dt_byte;
break;
case 0x6B: // word
dtyp = dt_word;
insn.auxpref = aux_word;
break;
default:
return 0;
}
MOVDISP32:
code3 = insn.get_next_byte();
if ( (code3 & 0x70) != 0x20 )
return 0;
opdsp32(insn, insn.Op1, dtyp);
opreg(insn.Op2, code3 & 15, dtyp);
code = code3; // to swap operands if required
}
break;
default:
return 0;
}
break;
case H8_tas:
if ( code != 0xE0 )
return 0;
if ( insn.get_next_byte() != 0x7B )
return 0;
code = insn.get_next_byte();
if ( (code & 0x8F) != 0x0C )
return 0;
opatHL(insn.Op1, dt_byte);
break;
case H8_trapa:
code = insn.get_next_byte();
if ( (code & 0xC3) != 0x0 )
return 0;
insn.Op1.type = o_imm;
insn.Op1.dtype = dt_byte;
insn.Op1.value = code >> 4;
break;
case MAP2:
if ( is_h8sx() )
{
switch ( code )
{
case 0x01: return h8sx_01(insn);
case 0x03: return h8sx_03(insn);
case 0x0A: return h8sx_0A(insn);
case 0x0F: return h8sx_0F(insn);
case 0x10: return h8sx_10(insn);
case 0x11: return h8sx_11(insn);
case 0x1A: return h8sx_1A(insn);
case 0x1F: return h8sx_1F(insn);
case 0x6A: return h8sx_6A(insn);
case 0x79: return h8sx_79(insn);
case 0x7A: return h8sx_7A(insn);
}
}
for ( i=0; i < qnumber(map2); i++ )
if ( map2[i].prefix == code )
break;
if ( i >= qnumber(map2) )
INTERR(10093);
m = map2[i].map;
code = insn.get_next_byte();
idx = code >> 4;
continue;
case MAP3:
if ( is_h8sx() )
{
switch ( code )
{
case 0x7C: return h8sx_7C(insn);
case 0x7D: return h8sx_7D(insn);
case 0x7E: return h8sx_7E(insn);
case 0x7F: return h8sx_7F(insn);
}
}
if ( i == -1 )
{
code3 = insn.get_next_byte();
p3 = (code << 12);
}
else
{
code3 = code;
p3 = (map2[i].prefix << 12);
}
code = insn.get_next_byte();
p3 |= (code3<<4) | (code>>4);
for ( i=0; i < qnumber(map3); i++ )
if ( map3[i].prefix == (p3 & ~map3[i].mask) )
break;
if ( i == qnumber(map3) )
return 0;
m = map3[i].map;
idx = code & 7;
continue;
case MAP4:
if ( !map4(insn) )
return 0;
break;
case MAP014:
if ( !map014(insn) )
return 0;
break;
}
break;
}
// m points to the target map entry
if ( (m->op1 & X) == 0 ) switch ( m->op1 & CMD_SIZE )
{
case B: insn.auxpref = aux_byte; break;
case W: insn.auxpref = aux_word; break;
case L: insn.auxpref = aux_long; break;
case V: insn.auxpref = advanced() ? aux_long : aux_word; break;
}
if ( !read_operand(insn, insn.Op1, m->op1) )
return 0;
if ( !read_operand(insn, insn.Op2, m->op2) )
return 0;
if ( code & 0x80 ) switch ( insn.itype )
{
case H8_bor: insn.itype = H8_bior; break;
case H8_bxor: insn.itype = H8_bixor; break;
case H8_band: insn.itype = H8_biand; break;
case H8_bld: insn.itype = H8_bild; break;
case H8_bst: insn.itype = H8_bist; break;
case H8_btst:
case H8_bset:
case H8_bnot:
case H8_bclr:
if ( insn.Op1.type == o_imm )
return 0;
break;
case H8_ldc:
insn.itype = H8_stc;
goto SWAP;
case H8_ldm:
insn.itype = H8_stm;
// fallthrough
case H8_mov:
SWAP:
if ( !noswap )
{
swap_Op1_Op2(insn);
if ( insn.Op2.type == o_imm )
return 0;
if ( insn.Op2.type == o_phrase && insn.Op2.phtype == ph_post_inc )
insn.Op2.phtype = ph_pre_dec;
}
break;
}
return insn.size;
}
//--------------------------------------------------------------------------
inline uint8 hi_ni(uint8 reg)
{
return (reg >> 4) & 0xF;
}
//--------------------------------------------------------------------------
inline void shift_Op1(insn_t &insn)
{
insn.Op2 = insn.Op1;
insn.Op2.n = 1;
}
//--------------------------------------------------------------------------
int h8_t::exit_40(insn_t &insn)
{
insn.itype = H8_bra;
insn.Op1.offb = (uchar)insn.size;
insn.Op1.type = o_near;
insn.Op1.dtype = dt_code;
signed char displ = insn.get_next_byte();
if ( is_h8sx() && (displ & 1) != 0 )
insn.itype = H8_bras;
displ &= ~1;
insn.Op1.addr = insn.ip + insn.size + displ;
return insn.size;
}
//--------------------------------------------------------------------------
int h8_t::exit_54_56(insn_t &insn, uint8 rts, uint8 rtsl)
{
code = insn.get_next_byte();
if ( code == 0x70 )
{
insn.itype = rts;
return insn.size;
}
else if ( is_h8sx() )
{
insn.itype = rtsl;
uint8 hiNi = (code >> 4) & 0xF;
if ( hiNi > 3 )
return 0;
bool res = hiNi == 0
? read_operand(insn, insn.Op1, rLL0)
: op_reglist(insn.Op1, code & 0x0F, hiNi, true);
insn.Op1.dtype = dt_code;
return res ? insn.size : 0;
}
return 0;
}
//--------------------------------------------------------------------------
int h8_t::exit_59_5D(insn_t &insn, uint16 jump, uint16 branch)
{
insn.itype = jump;
code = insn.get_next_byte();
if ( (code & 0x8F) == 0 )
{ // JMP @ERn
return op_phrase(insn, insn.Op1, code >> 4, ph_normal, dt_code) ? insn.size : 0;
}
if ( !is_h8sx() )
return 0;
if ( (code & 0x80) != 0 )
{ // JMP @@vec:7
insn.Op1.type = o_mem;
insn.Op1.memtype = mem_vec7;
insn.Op1.dtype = advanced() ? dt_dword : dt_word;
insn.Op1.addr = /* (0x80 + (code & ~0x80)) */ code * (advanced() ? 4 : 2);
return insn.size;
}
if ( code == 8 )
{ // JMP @aa:32
return read_operand(insn, insn.Op1, W | aa32) ? insn.size : 0;
}
insn.itype = branch;
insn.Op1.type = o_pcidx;
insn.Op1.dtype = dt_code;
regnum_t r;
switch ( code & 0x0F )
{
case 5: // BRA Rn.B
r = R0L;
insn.Op1.szfl |= idx_byte;
break;
case 6: // BRA Rn.W
r = R0;
insn.Op1.szfl |= idx_word;
break;
case 7: // BRA ERn.L
r = ER0;
insn.Op1.szfl |= idx_long;
break;
default:
return 0;
}
insn.Op1.reg = r + (code>>4);
return insn.size;
}
//--------------------------------------------------------------------------
int h8_t::exit_7B(insn_t &insn)
{
code = insn.get_next_byte();
if ( code == 0x5C || code == 0xD4 )
{
insn.itype = H8_eepmov;
insn.auxpref = code == 0x5C ? aux_byte : aux_word;
return insn.get_next_word() == 0x598F ? insn.size : 0;
}
if ( !is_h8sx() )
return 0;
insn.itype = H8_movmd;
switch ( code )
{
case 0x94:
insn.auxpref = aux_byte;
return insn.size;
case 0xA4:
insn.auxpref = aux_word;
return insn.size;
case 0xB4:
insn.auxpref = aux_long;
return insn.size;
case 0x84:
insn.itype = H8_movsd;
insn.auxpref = aux_byte;
return read_operand(insn, insn.Op1, j16) ? insn.size : 0;
}
return 0;
}
//--------------------------------------------------------------------------
static bool insn_or_xor_and(insn_t &insn);
// for insn_sh_neg() and others
#define SET_BYTE 0x0001 // .B insn set
#define SET_WORD 0x0002 // .W insn set
#define SET_LONG 0x0004 // .L insn set
#define SET_BIT_1 0x0010 // btst, bor, bxor, band, bld
#define SET_BIT_2 0x0020 // bclr, bset, bst, bnot
static bool insn_sh_neg(insn_t &insn, uint8 byte4, uint8 byte5, uint16 mask);
static bool insn_addcmp(insn_t &insn, uint8 bt);
static bool insn_addcmp_reg(insn_t &insn, uint8 byte2, uint8 byte3, bool swap, uint16 mask);
static bool insn_addcmp_i3(insn_t &insn, uint8 byte2, uint8 byte3);
static bool insn_addcmp_i8(insn_t &insn, uint8 byte4, uint8 byte5);
static bool insn_addx_reg(insn_t &insn, op_t &x, uint8 byte2, uint8 byte3, uint16 mask, ushort place);
static bool insn_addx_reg_Op1(insn_t &insn, uint8 byte2, uint8 byte3, uint16 mask, ushort place);
static bool insn_addx_i8(insn_t &insn, uint8 byte4, uint8 byte5);
static bool insn_bit(insn_t &insn, uint8 byte2, uint8 byte3, uint16 mask);
//--------------------------------------------------------------------------
int h8_t::h8sx_01(insn_t &insn)
{
code = insn.get_next_byte();
bool success = false;
switch ( code )
{
case 0x00:
case 0x01:
case 0x02:
case 0x03:
insn.auxpref = aux_long;
success = h8sx_010_00dd(insn);
break;
case 0x04:
case 0x05:
case 0x06:
case 0x07:
success = h8sx_010_01dd(insn, aux_long);
break;
case 0x08:
insn.auxpref = aux_long;
success = h8sx_0108(insn);
break;
case 0x09:
insn.auxpref = aux_long;
success = h8sx_0109_010A(insn, insn.Op1, insn.Op2);
break;
case 0x0A:
insn.auxpref = aux_long;
success = h8sx_0109_010A(insn, insn.Op2, insn.Op1);
break;
case 0x0D:
insn.auxpref = aux_long;
success = h8sx_010D(insn);
break;
case 0x0E:
insn.auxpref = aux_long;
success = h8sx_010E(insn);
break;
case 0x10:
case 0x20:
case 0x30:
success = h8sx_ldm(insn);
break;
case 0x40:
success = insn_ldc(insn, insn.get_next_byte(), CCR);
break;
case 0x41:
success = h8sx_01_exr(insn);
break;
case 0x50:
case 0x51:
case 0x52:
case 0x53:
insn.auxpref = aux_word;
success = h8sx_010_00dd(insn);
break;
case 0x54:
case 0x55:
case 0x56:
case 0x57:
success = h8sx_010_01dd(insn, aux_word);
break;
case 0x58:
insn.auxpref = aux_word;
success = h8sx_0108(insn);
break;
case 0x59:
insn.auxpref = aux_word;
success = h8sx_0109_010A(insn, insn.Op1, insn.Op2);
break;
case 0x5A:
insn.auxpref = aux_word;
success = h8sx_0109_010A(insn, insn.Op2, insn.Op1);
break;
case 0x5D:
insn.auxpref = aux_word;
success = h8sx_010D(insn);
break;
case 0x5E:
insn.auxpref = aux_word;
success = h8sx_010E(insn);
break;
case 0x60:
success = insn_mac(insn);
break;
case 0x70:
case 0x71:
case 0x72:
case 0x73:
insn.auxpref = aux_byte;
success = h8sx_010_00dd(insn);
break;
case 0x74:
case 0x75:
case 0x76:
case 0x77:
success = h8sx_010_01dd(insn, aux_byte);
break;
case 0x78:
insn.auxpref = aux_byte;
success = h8sx_0108(insn);
break;
case 0x79:
insn.auxpref = aux_byte;
success = h8sx_0109_010A(insn, insn.Op1, insn.Op2);
break;
case 0x7A:
insn.auxpref = aux_byte;
success = h8sx_0109_010A(insn, insn.Op2, insn.Op1);
break;
case 0x7D:
insn.auxpref = aux_byte;
success = h8sx_010D(insn);
break;
case 0x5F:
case 0x7F:
success = insn_mova(insn);
break;
case 0x80:
insn.itype = H8_sleep;
success = true;
break;
case 0xA0:
insn.itype = H8_clrmac;
success = true;
break;
case 0xE0:
success = insn_tas(insn);
break;
case 0xF0:
success = insn_or_xor_and(insn);
break;
default:
success = h8sx_01_other(insn);
break;
}
return success ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_03(insn_t &insn)
{
code = insn.get_next_byte();
switch ( hi_ni(code) )
{
case 0:
insn.itype = H8_ldc;
insn.auxpref = aux_byte;
read_operand(insn, insn.Op2, rCCR);
break;
case 1:
insn.itype = H8_ldc;
insn.auxpref = aux_byte;
read_operand(insn, insn.Op2, rEXR);
break;
case 2:
insn.itype = H8_ldmac;
read_operand(insn, insn.Op2, rMACH);
break;
case 3:
insn.itype = H8_ldmac;
read_operand(insn, insn.Op2, rMACL);
break;
case 6:
insn.itype = H8_ldc;
insn.auxpref = aux_long;
read_operand(insn, insn.Op2, rVBR);
break;
case 7:
insn.itype = H8_ldc;
insn.auxpref = aux_long;
read_operand(insn, insn.Op2, rSBR);
break;
case 8: // 100x
case 9: // 100x
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte2 == 0x10 )
insn.itype = H8_shll;
else if ( byte2 == 0x11 )
insn.itype = H8_shlr;
else
return 0;
switch ( byte3 >> 4 )
{
case 0: insn.auxpref = aux_byte; insn.Op1.dtype = dt_byte; break;
case 1: insn.auxpref = aux_word; insn.Op1.dtype = dt_word; break;
case 3: insn.auxpref = aux_long; insn.Op1.dtype = dt_dword; break;
default: return 0;
}
insn.Op1.type = o_imm;
insn.Op1.value = code & 0x1F;
return op_reg(insn, insn.Op2, byte3, rL) ? insn.size : 0;
}
default:
return 0;
}
return op_reg(insn, insn.Op1, code, rL, aux_long /* for ldmac */) ? insn.size : 0;
}
//--------------------------------------------------------------------------
static int op_imm3_reg(insn_t &insn, uint8 byte1)
{
uint8 hiNi = (byte1 >> 4) & 7;
bool isword = (byte1 & 0x80) == 0; // else long
bool res = true;
if ( isword )
{
insn.auxpref = aux_word;
insn.Op1.type = o_imm;
insn.Op1.dtype = dt_word;
insn.Op1.value = hiNi;
}
else
{
insn.auxpref = aux_long;
if ( byte1 & 8 )
{
byte1 &= 7;
insn.Op1.type = o_imm;
insn.Op1.dtype = dt_dword;
insn.Op1.value = hiNi;
}
else
{
res = op_reg(insn, insn.Op1, hiNi, rL);
}
}
return res && op_reg(insn, insn.Op2, byte1, rL) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_0A(insn_t &insn)
{
code = insn.get_next_byte();
if ( hi_ni(code) == 0 )
{
insn.itype = H8_inc;
insn.auxpref = aux_byte;
read_operand(insn, insn.Op1, B | Cxh);
return op_reg(insn, insn.Op2, code, rL) ? insn.size : 0;
}
insn.itype = H8_add;
return op_imm3_reg(insn, code);
}
//--------------------------------------------------------------------------
int h8_t::h8sx_0F(insn_t &insn)
{
code = insn.get_next_byte();
if ( hi_ni(code) == 0 )
{
insn.itype = H8_daa;
return op_reg(insn, insn.Op1, code, rL, aux_byte) ? insn.size : 0;
}
insn.itype = H8_mov;
return op_imm3_reg(insn, code);
}
//--------------------------------------------------------------------------
int h8_t::unpack_8bit_shift(const map_t *m, insn_t &insn, uint16 itype, uint16 itype2)
{
code = insn.get_next_byte();
uint8 hiNi = hi_ni(code);
if ( hiNi == 3 )
{
insn.itype = itype;
insn.auxpref = aux_long;
if ( !op_reg(insn, insn.Op1, code & 7, rL) )
return 0;
shift_Op1(insn);
op_imm(insn, insn.Op1, 4);
if ( (code & 8) == 0 )
insn.Op1.clr_shown();
return insn.size;
}
else if ( hiNi == 7 )
{
insn.itype = itype;
insn.auxpref = aux_long;
op_imm(insn, insn.Op1, code & 8 ? 8 : 2);
return op_reg(insn, insn.Op2, code & 7, rL) ? insn.size : 0;
}
else if ( hiNi == 0xF )
{
insn.itype = code & 8 ? itype : itype2;
insn.auxpref = aux_long;
op_imm(insn, insn.Op1, code & 8 ? 16 : 2);
return op_reg(insn, insn.Op2, code & 7, rL) ? insn.size : 0;
}
return use_leaf_map(insn, m, hiNi) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_10(insn_t &insn)
{
return unpack_8bit_shift(&map2_10[0], insn, H8_shll, H8_shal);
}
//--------------------------------------------------------------------------
int h8_t::h8sx_11(insn_t &insn)
{
return unpack_8bit_shift(&map2_11[0], insn, H8_shlr, H8_shar);
}
//--------------------------------------------------------------------------
int h8_t::h8sx_1A(insn_t &insn)
{
code = insn.get_next_byte();
uint8 hiNi = hi_ni(code);
if ( hiNi == 0 )
{
insn.itype = H8_dec;
insn.auxpref = aux_byte;
read_operand(insn, insn.Op1, B | Cxh);
return op_reg(insn, insn.Op2, code, rL) ? insn.size : 0;
}
insn.itype = H8_sub;
return op_imm3_reg(insn, code);
}
//--------------------------------------------------------------------------
int h8_t::h8sx_1F(insn_t &insn)
{
code = insn.get_next_byte();
uint8 hiNi = hi_ni(code);
if ( hiNi == 0 )
{
insn.itype = H8_das;
return op_reg(insn, insn.Op1, code, rL, aux_byte) ? insn.size : 0;
}
insn.itype = H8_cmp;
return op_imm3_reg(insn, code);
}
//--------------------------------------------------------------------------
int h8_t::h8sx_6A(insn_t &insn)
{
code = insn.get_next_byte();
uint8 hiNi = (code >> 4) & 0x0F;
uint8 loNi = code & 0x0F;
if ( code != 0x10
&& code != 0x15
&& code != 0x18
&& code != 0x30
&& code != 0x35
&& code != 0x38 )
{
return use_leaf_map(insn, &map2_6A_h8sx[0], hiNi) ? insn.size : 0;
}
if ( !read_operand(insn, insn.Op1, B | (hiNi == 1 ? aa16 : aa32)) )
return 0;
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( loNi == 5 )
{
if ( byte3 & 0x0F )
return 0;
insn.auxpref = aux_byte;
return op_from_byte(insn, insn.Op2, byte2)
&& insn_addcmp(insn, byte3) ? insn.size : 0;
}
else if ( loNi == 0 )
{
return insn_addcmp_reg(insn, byte2, byte3, false, SET_BYTE)
|| insn_bit(insn, byte2, byte3, SET_BIT_1)
|| insn_bra(insn, byte2, byte3)
|| insn_bfld_bfst(insn, byte2, byte3, true) ? insn.size : 0;
}
// ( loNi == 8 )
return insn_sh_neg(insn, byte2, byte3, SET_BYTE)
|| insn_addcmp_i8(insn, byte2, byte3)
|| insn_addcmp_reg(insn, byte2, byte3, true, SET_BYTE)
|| insn_bit(insn, byte2, byte3, SET_BIT_2)
|| insn_bra(insn, byte2, byte3)
|| insn_bfld_bfst(insn, byte2, byte3, false) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_6B(insn_t &insn)
{
code = insn.get_next_byte();
uint8 hiNi = (code >> 4) & 0x0F;
uint8 loNi = code & 0x0F;
if ( code != 0x10
&& code != 0x15
&& code != 0x18
&& code != 0x30
&& code != 0x35
&& code != 0x38 )
return use_leaf_map(insn, &map2_6B_h8sx[0], hiNi) ? insn.size : 0;
if ( !read_operand(insn, insn.Op1, W | (hiNi == 1 ? aa16 : aa32)) )
return 0;
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( loNi == 5 )
{
if ( byte3 & 0x0F )
return 0;
insn.auxpref = aux_word;
return op_from_byte(insn, insn.Op2, byte2)
&& insn_addcmp(insn, byte3) ? insn.size : 0;
}
else if ( loNi == 0 )
{
return insn_addcmp_reg(insn, byte2, byte3, false, SET_WORD) ? insn.size : 0;
}
// ( loNi == 8 )
return insn_addcmp_reg(insn, byte2, byte3, true, SET_WORD)
|| insn_addcmp_i3(insn, byte2, byte3)
|| insn_sh_neg(insn, byte2, byte3, SET_WORD) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_78(insn_t &insn)
{
code = insn.get_next_byte();
uint8 hiNi = hi_ni(code);
uint8 loNi = code & 0x0F;
if ( loNi > 9 )
return 0;
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( loNi <= 7 )
{
if ( byte2 == 0x6A )
{
insn.auxpref = aux_byte;
if ( hiNi & 8 )
return 0;
}
else if ( byte2 == 0x6B )
{
insn.auxpref = hiNi & 8 ? aux_long : aux_word;
hiNi &= ~8;
}
else
return 0;
if ( !op_displ_regidx(insn, insn.Op1, loNi, true, hiNi) )
return 0;
if ( loNi <= 3 )
{
insn.itype = H8_mov;
op_reg(insn, insn.Op2, byte3, rL);
bool swap;
switch ( byte3 & 0xF0 )
{
case 0xA0: swap = true; break;
case 0x20: swap = false; break;
default: return 0;
}
if ( swap )
swap_Op1_Op2(insn);
return insn.size;
}
// 3 < loNi <= 7
uint8 byte4 = insn.get_next_byte();
uint8 byte5 = insn.get_next_byte();
if ( byte3 == 0x28 )
{
return insn_sh_neg(insn, byte4, byte5, SET_BYTE | SET_WORD | SET_LONG)
|| insn_addcmp_i8(insn, byte4, byte5) ? insn.size : 0;
}
// else if ( byte3 == 0x24 ) doc error?
else if ( byte3 == 0x2C )
{
if ( byte5 & 0x0F )
return 0;
return op_from_byte(insn, insn.Op2, byte4)
&& insn_addcmp(insn, byte5) ? insn.size : 0;
}
return 0;
} // loNi <= 7
if ( byte2 == 0x7A )
return insn_mova_reg(insn, byte3, hi_ni(code), false);
if ( loNi == 8 )
{
if ( byte2 == 0x10 )
insn.itype = H8_shll;
else if ( byte2 == 0x11 )
insn.itype = H8_shlr;
else
return 0;
switch ( byte3 & 0xF0 )
{
case 0x00: insn.auxpref = aux_byte; break;
case 0x10: insn.auxpref = aux_word; break;
case 0x30: insn.auxpref = aux_long; break;
default: return 0;
}
return read_operand(insn, insn.Op1, rHB)
&& op_reg(insn, insn.Op2, byte3, rL) ? insn.size : 0;
}
return 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_79(insn_t &insn)
{
code = insn.get_next_byte();
uint8 hiNi = (code >> 4) & 0xF;
if ( hiNi <= 6 )
return use_leaf_map(insn, &map2_79[0], hiNi) ? insn.size : 0;
insn.itype = H8_mov;
insn.auxpref = aux_word;
if ( !read_operand(insn, insn.Op1, i16) )
return 0;
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte3 != 0 )
return 0;
return op_from_byte(insn, insn.Op2, byte2) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_7A(insn_t &insn)
{
code = insn.get_next_byte();
uint8 hiNi = (code >> 4) & 0xF;
if ( hiNi <= 6 )
{
if ( hiNi == 0 )
insn.itype = H8_mov;
else if ( !insn_addcmp(insn, code) )
return 0;
insn.auxpref = aux_long;
ushort op1_imm = code & 8 ? i16 : i32;
return op_reg(insn, insn.Op2, code & 7, rL)
&& read_operand(insn, insn.Op1, op1_imm) ? insn.size : 0;
}
else if ( 8 <= hiNi && hiNi <= 0xD )
{
return insn_mova_reg(insn, code, 0, true);
}
else
{
insn.itype = H8_mov;
insn.auxpref = aux_long;
ushort op1_imm;
if ( code == 0x74 )
op1_imm = i32;
else if ( code == 0x7C )
op1_imm = i16;
else
return 0;
if ( !read_operand(insn, insn.Op1, op1_imm) )
return 0;
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte3 != 0 )
return 0;
return op_from_byte(insn, insn.Op2, byte2) ? insn.size : 0;
}
}
//--------------------------------------------------------------------------
int h8_t::h8sx_7C(insn_t &insn)
{
code = insn.get_next_byte();
bool isword = (code & 0x80) == 0x80; // else - byte
op_phrase(insn, insn.Op1, (code >> 4) & 0x07, ph_normal);
uint8 loNi = code & 0x0F;
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( loNi == 5 )
{
insn.auxpref = isword ? aux_word : aux_byte;
return op_from_byte(insn, insn.Op2, byte2)
&& insn_addcmp(insn, byte3) ? insn.size : 0;
}
if ( loNi == 1 && (byte2 == 0x09 || byte2 == 0x19)
|| loNi == 0 && (byte2 == 0x0E || byte2 == 0x1E) )
{
return insn_addx_reg(insn, insn.Op2, byte2, byte3, SET_BYTE | SET_WORD, rL | zH) ? insn.size : 0;
}
if ( loNi != 0 )
return 0;
return insn_addcmp_reg(insn, byte2, byte3, false, isword ? SET_WORD : SET_BYTE)
|| insn_bit(insn, byte2, byte3, SET_BIT_1)
|| insn_bra(insn, byte2, byte3)
|| insn_bfld_bfst(insn, byte2, byte3, true) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_7D(insn_t &insn)
{
code = insn.get_next_byte();
bool isword = (code & 0x80) == 0x80; // else - byte
op_phrase(insn, insn.Op1, (code >> 4) & 0x07, ph_normal);
uint8 loNi = code & 0x0F;
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( loNi == 1 )
{
shift_Op1(insn);
return insn_addx_reg(insn, insn.Op1, byte2, byte3, SET_WORD, rH | zL)
|| insn_addx_imm(insn, insn.Op1, byte2, byte3, SET_WORD, true) ? insn.size : 0;
}
if ( loNi != 0 )
return 0;
return insn_sh_neg(insn, byte2, byte3, (isword ? SET_WORD : SET_BYTE))
|| insn_bit(insn, byte2, byte3, SET_BIT_2)
|| !isword && insn_addx_i8(insn, byte2, byte3)
|| insn_addcmp_reg(insn, byte2, byte3, true, isword ? SET_WORD : SET_BYTE)
|| !isword && insn_addcmp_i8(insn, byte2, byte3)
|| insn_bfld_bfst(insn, byte2, byte3, false)
|| insn_addcmp_i3(insn, byte2, byte3)
|| insn_addx_reg_Op1(insn, byte2, byte3, SET_BYTE, rH | zL) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_7E(insn_t &insn)
{
code = insn.get_next_byte();
op_aa_8(insn, insn.Op1, code, dt_byte);
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
return insn_addcmp_reg(insn, byte2, byte3, false, SET_BYTE)
|| insn_bra(insn, byte2, byte3)
|| insn_bit(insn, byte2, byte3, SET_BIT_1)
|| insn_bfld_bfst(insn, byte2, byte3, true) ? insn.size : 0;
}
//--------------------------------------------------------------------------
int h8_t::h8sx_7F(insn_t &insn)
{
code = insn.get_next_byte();
op_aa_8(insn, insn.Op1, code, dt_byte);
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
return insn_addcmp_reg(insn, byte2, byte3, true, SET_BYTE)
|| insn_addcmp_i8(insn, byte2, byte3)
|| insn_sh_neg(insn, byte2, byte3, SET_BYTE)
|| insn_bit(insn, byte2, byte3, SET_BIT_2)
|| insn_bfld_bfst(insn, byte2, byte3, false) ? insn.size : 0;
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_010_00dd(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte2 == 0x7A && code != 0x01
|| (byte2 == 0x09 || byte2 == 0x19 || byte2 == 0x79) && code != 0x51 )
{
return false;
}
if ( !op_reg(insn, insn.Op2, byte3, rL) )
return false;
if ( insn_addx_reg(insn, insn.Op1, byte2, byte3, SET_WORD | SET_LONG, rH) )
return true;
if ( insn_addx_imm(insn, insn.Op1, byte2, byte3, SET_WORD | SET_LONG, false) )
return true;
uint8 hiNi = (byte3 >> 4) & 7;
bool swap = (byte3 & 0x80) != 0;
if ( code == 0 && byte2 == 0x6D && hiNi == 7 )
{
// pop, push
insn.itype = swap ? H8_push : H8_pop;
insn.Op1 = insn.Op2; insn.Op1.n = 0;
insn.Op2.type = 0;
return true;
}
insn.itype = H8_mov;
if ( !read_1st_op(insn, byte2, hiNi) )
return false;
if ( swap )
{
swap_Op1_Op2(insn);
if ( insn.Op2.type == o_phrase && insn.Op2.phtype != ph_normal )
insn.Op2.phtype ^= 3; // swap pre- & post-, see h8.hpp
}
return true;
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_010_01dd(insn_t &insn, uint16 postfix)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte3 & 0x80 )
return false;
uint8 loNi = byte3 & 0xF;
uint8 hiNi = byte3 >> 4;
insn.auxpref = postfix;
if ( !read_1st_op(insn, byte2, hiNi) )
return false;
uint8 byte4 = insn.get_next_byte();
uint8 byte5 = insn.get_next_byte();
switch ( loNi )
{
case 8:
return postfix == aux_byte
? insn_addx_reg_Op1(insn, byte4, byte5, SET_BYTE, rH | zL)
|| insn_addcmp_i8(insn, byte4, byte5)
|| insn_addx_i8(insn, byte4, byte5)
|| insn_sh_neg(insn, byte4, byte5, SET_BYTE)
: insn_sh_neg(insn, byte4, byte5, postfix == aux_word ? SET_WORD : SET_LONG);
case 0xC:
if ( (byte5 & 0x0F) != 0 )
return false;
return op_from_byte(insn, insn.Op2, byte4)
&& insn_addcmp(insn, byte5);
case 0:
if ( !(code == 0x76 && byte2 == 0x6C) )
return false;
return insn_addx_reg(insn, insn.Op2, byte4, byte5, SET_BYTE, rL | zH);
case 1:
if ( (code != 0x04 || byte2 != 0x69)
&& (code != 0x06 || byte2 != 0x6D)
&& (code != 0x54 || byte2 != 0x69)
&& (code != 0x56 || byte2 != 0x6D) )
{
return false;
}
return insn_addx_reg(insn, insn.Op2, byte4, byte5, SET_WORD | SET_LONG, rL | zH);
case 0xD:
if ( (code != 0x04 || byte2 != 0x69)
&& (code != 0x06 || byte2 != 0x6D)
&& (code != 0x54 || byte2 != 0x69)
&& (code != 0x56 || byte2 != 0x6D)
&& (code != 0x74 || byte2 != 0x68)
&& (code != 0x76 || byte2 != 0x6C) )
{
return false;
}
if ( byte5 == 0x10 )
insn.itype = H8_addx;
else if ( byte5 == 0x30 )
insn.itype = H8_subx;
else
return false;
if ( !( (byte4 & 0xF8) == 0 || (byte4 & 0xF0) == 0xA0 ) )
return false;
op_phrase(insn, insn.Op2, byte4 & 7, ph_normal);
if ( (byte4 & 0xF0) == 0xA0 )
insn.Op2.phtype = ph_post_dec;
return insn.size != 0;
case 9:
if ( (code != 0x04 || byte2 != 0x69)
&& (code != 0x06 || byte2 != 0x6D)
&& (code != 0x54 || byte2 != 0x69)
&& (code != 0x56 || byte2 != 0x6D) )
{
return false;
}
shift_Op1(insn);
return insn_addx_reg(insn, insn.Op1, byte4, byte5, SET_BYTE | SET_WORD | SET_LONG, rH | zL)
|| insn_addx_imm(insn, insn.Op1, byte4, byte5, SET_WORD | SET_LONG, true);
}
return false;
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_0108(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
insn.itype = H8_mov;
return op_from_byte(insn, insn.Op1, byte2)
&& op_from_byte(insn, insn.Op2, byte3);
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_0109_010A(insn_t &insn, op_t ®op, op_t &genop)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
return insn_addcmp(insn, byte3)
&& op_reg(insn, regop, byte3, rL)
&& op_from_byte(insn, genop, byte2);
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_010D(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
insn.itype = H8_mov;
return read_operand(insn, insn.Op1, i8)
&& op_from_byte(insn, insn.Op2, byte2);
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_010E(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
return op_from_byte(insn, insn.Op2, byte2)
&& insn_addcmp(insn, byte3)
&& read_operand(insn, insn.Op1, byte3 & 8 ? i32 : i16);
}
//--------------------------------------------------------------------------
// any register range
bool h8_t::h8sx_ldm(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte2 != 0x6D )
return false;
uint8 hiNi = byte3 & 0xF0;
uint8 loNi = byte3 & 0x0F;
if ( loNi & 8 )
return false;
uint8 delta = code >> 4;
insn.auxpref = aux_long;
if ( hiNi == 0x70 )
{
insn.itype = H8_ldm;
return op_phrase(insn, insn.Op1, 7, ph_post_inc)
&& op_reglist(insn.Op2, loNi, delta, true);
}
else if ( hiNi == 0xF0 )
{
insn.itype = H8_stm;
return op_reglist(insn.Op1, loNi, delta, false)
&& op_phrase(insn, insn.Op2, 7, ph_pre_dec);
}
return false;
}
//--------------------------------------------------------------------------
bool h8_t::insn_ldc(insn_t &insn, uint8 byte2, regnum_t reg)
{
uint8 byte3 = insn.get_next_byte();
uint8 hiNi = (byte3 & 0x70) >> 4;
bool swap = (byte3 & 0x80) != 0;
insn.itype = H8_ldc;
insn.auxpref = aux_word;
insn.Op2.type = o_reg;
insn.Op2.dtype = dt_word;
insn.Op2.reg = reg;
if ( byte2 == 0x78 )
{
if ( byte3 & 0x8F )
return false;
uint16 opcode3 = insn.get_next_word();
if ( opcode3 == 0x6BA0 )
swap = true;
else if ( opcode3 == 0x6B20 )
swap = false;
else
return false;
code = byte3;
opdsp32(insn, insn.Op1, dt_word);
}
else
{
if ( !read_1st_op(insn, byte2, hiNi) )
return false;
}
if ( swap )
{
insn.itype = H8_stc;
swap_Op1_Op2(insn);
if ( insn.Op2.type == o_phrase && insn.Op2.phtype != ph_normal )
insn.Op2.phtype ^= 3; // swap pre- & post-, see h8.hpp
}
return true;
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_01_exr(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
if ( byte2 == 4 )
{
insn.itype = H8_orc;
}
else if ( byte2 == 5 )
{
insn.itype = H8_xorc;
}
else if ( byte2 == 6 )
{
insn.itype = H8_andc;
}
else if ( byte2 == 7 )
{
insn.itype = H8_ldc;
insn.auxpref = aux_byte;
}
else
{
code = 0x40;
return insn_ldc(insn, byte2, EXR);
}
insn.Op2.type = o_reg;
insn.Op2.dtype = dt_word;
insn.Op2.reg = EXR;
return read_operand(insn, insn.Op1, i8);
}
//--------------------------------------------------------------------------
bool h8_t::insn_mac(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte2 != 0x6D && (byte3 & 0x88) != 0 )
return 0;
insn.itype = H8_mac;
return op_phrase(insn, insn.Op1, byte3 >> 4, ph_post_inc)
&& op_phrase(insn, insn.Op2, byte3 & 0x0F, ph_post_inc);
}
//--------------------------------------------------------------------------
static bool insn_mova_op(insn_t &insn, uint8 opcode)
{
switch ( (opcode >> 4) & 0xF )
{
case 0x8:
insn.itype = H8_movab;
insn.Op1.dtype = dt_byte;
insn.Op1.szfl |= idx_byte;
break;
case 0x9:
insn.itype = H8_movab;
insn.Op1.dtype = dt_byte;
insn.Op1.szfl |= idx_word;
break;
case 0xA:
insn.itype = H8_movaw;
insn.Op1.dtype = dt_word;
insn.Op1.szfl |= idx_byte;
break;
case 0xB:
insn.itype = H8_movaw;
insn.Op1.dtype = dt_word;
insn.Op1.szfl |= idx_word;
break;
case 0xC:
insn.itype = H8_moval;
insn.Op1.dtype = dt_dword;
insn.Op1.szfl |= idx_byte;
break;
case 0xD:
insn.itype = H8_moval;
insn.Op1.dtype = dt_dword;
insn.Op1.szfl |= idx_word;
break;
default:
return false;
}
return true;
}
//--------------------------------------------------------------------------
bool h8_t::insn_mova(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( !insn_mova_op(insn, byte3) )
return false;
op_t ea;
memset(&ea, 0, sizeof(ea));
insn.auxpref = insn.Op1.szfl & idx_byte ? aux_byte : aux_word;
if ( !op_from_byte(insn, ea, byte2) )
return false;
insn.auxpref = aux_none;
byte3 & 8 ? opdsp32(insn, insn.Op1, insn.Op1.dtype) : opdsp16(insn, insn.Op1, insn.Op1.dtype);
insn.Op1.idxt = ea.type;
insn.Op1.offo = ea.offb;
insn.Op1.phrase = ea.phrase;
insn.Op1.idxdt = ea.phtype;
insn.Op1.value = ea.addr;
insn.Op1.idxsz = ea.szfl;
if ( insn.Op1.idxt == o_displ
|| insn.Op1.idxt == o_mem )
{
insn.Op1.flags |= OF_OUTER_DISP;
}
insn.Op1.displtype = dt_movaop1;
insn.auxpref = aux_long;
return op_reg(insn, insn.Op2, byte3 & 7, rL);
}
//--------------------------------------------------------------------------
int h8_t::insn_mova_reg(insn_t &insn, uint8 opcode, uint8 rs, bool is_reg_equal)
{
if ( !insn_mova_op(insn, opcode) )
return 0;
opcode & 8 ? opdsp16(insn, insn.Op1, insn.Op1.dtype) : opdsp32(insn, insn.Op1, insn.Op1.dtype);
insn.Op1.idxt = o_reg;
rs = is_reg_equal ? opcode & 7 : rs & 0xF;
insn.Op1.reg = (insn.Op1.szfl & idx_byte ? (is_reg_equal ? R0L : R0H) : R0)
+ (is_reg_equal ? opcode & 7 : rs & 0xF);
insn.Op1.idxsz = insn.Op1.szfl;
insn.Op1.displtype = dt_movaop1;
insn.Op1.dtype = dt_dword;
insn.auxpref = aux_long;
return op_reg(insn, insn.Op2, opcode & 7, rL) ? insn.size : 0;
}
//--------------------------------------------------------------------------
bool h8_t::insn_tas(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( !(byte2 == 0x7B && (byte3 & 0x8F) == 0x0C) )
return false;
insn.itype = H8_tas;
return op_phrase(insn, insn.Op1, byte3 >> 4, ph_normal);
}
//--------------------------------------------------------------------------
static bool insn_or_xor_and(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
if ( byte3 & 0x88 )
return false;
if ( byte2 == 0x64 )
insn.itype = H8_or;
else if ( byte2 == 0x65 )
insn.itype = H8_xor;
else if ( byte2 == 0x66 )
insn.itype = H8_and;
else
return false;
insn.auxpref = aux_long;
return op_reg(insn, insn.Op1, byte3, rH)
&& op_reg(insn, insn.Op2, byte3, rL);
}
//--------------------------------------------------------------------------
bool h8_t::h8sx_01_other(insn_t &insn)
{
uint8 byte2 = insn.get_next_byte();
uint8 byte3 = insn.get_next_byte();
uint8 byte1 = code;
code = byte3;
switch ( byte1 )
{
case 0xC0:
insn.itype = H8_mulxs;
if ( byte2 == 0x50 )
{
insn.auxpref = aux_byte;
return read_operand(insn, insn.Op1, rHB)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x52 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, rHW)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xD0:
insn.itype = H8_divxs;
if ( byte2 == 0x51 )
{
insn.auxpref = aux_byte;
return read_operand(insn, insn.Op1, rHB)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x53 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, rHW)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xC2:
insn.itype = H8_muls;
if ( byte2 == 0x50 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, rHW)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x52 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, rHL0)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xD2:
insn.itype = H8_divs;
if ( byte2 == 0x51 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, rHW)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x53 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, rHL0)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xC3:
if ( byte2 != 0x52 )
return false;
insn.itype = H8_mulsu;
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, rHL0)
&& read_operand(insn, insn.Op2, rLL0);
case 0xC4:
insn.itype = H8_mulxs;
if ( byte2 == 0x50 )
{
insn.auxpref = aux_byte;
return read_operand(insn, insn.Op1, B | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x52 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xD4:
insn.itype = H8_divxs;
if ( byte2 == 0x51 )
{
insn.auxpref = aux_byte;
return read_operand(insn, insn.Op1, B | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x53 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xC6:
insn.itype = H8_muls;
if ( byte2 == 0x50 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x52 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, L | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xD6:
insn.itype = H8_divs;
if ( byte2 == 0x51 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x53 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, L | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xC7:
if ( byte2 != 0x52 )
return false;
insn.itype = H8_mulsu;
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, L | i4H)
&& read_operand(insn, insn.Op2, rLL0);
case 0xCA:
insn.itype = H8_mulu;
if ( byte2 == 0x50 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, rHW)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x52 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, rHL0)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xDA:
insn.itype = H8_divu;
if ( byte2 == 0x51 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, rHW)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x53 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, rHL0)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xCB:
if ( byte2 != 0x52 )
return false;
insn.itype = H8_muluu;
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, rHL0)
&& read_operand(insn, insn.Op2, rLL0);
case 0xCC:
insn.itype = H8_mulxu;
if ( byte2 == 0x50 )
{
insn.auxpref = aux_byte;
return read_operand(insn, insn.Op1, B | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x52 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xDC:
insn.itype = H8_divxu;
if ( byte2 == 0x51 )
{
insn.auxpref = aux_byte;
return read_operand(insn, insn.Op1, B | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x53 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xCE:
insn.itype = H8_mulu;
if ( byte2 == 0x50 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x52 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, L | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xDE:
insn.itype = H8_divu;
if ( byte2 == 0x51 )
{
insn.auxpref = aux_word;
return read_operand(insn, insn.Op1, W | i4H)
&& read_operand(insn, insn.Op2, rLW);
}
else if ( byte2 == 0x53 )
{
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, L | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
case 0xCF:
if ( byte2 != 0x52 )
return false;
insn.itype = H8_muluu;
insn.auxpref = aux_long;
return read_operand(insn, insn.Op1, L | i4H)
&& read_operand(insn, insn.Op2, rLL0);
}
return false;
}
//--------------------------------------------------------------------------
inline op_dtype_t dtype_by_auxpref(const insn_t &insn)
{
CASSERT(aux_byte == dt_byte + 1 && aux_word == dt_word + 1 && aux_long == dt_dword + 1);
// x.dtype = insn.auxpref == aux_long ? dt_dword : insn.auxpref == aux_word ? dt_word : dt_byte;
return op_dtype_t(insn.auxpref - 1);
}
//--------------------------------------------------------------------------
static bool sh_ops_imm(insn_t &insn, nameNum itype, uint16 ap, uint8 v, bool shown)
{
insn.itype = itype;
insn.auxpref = ap;
shift_Op1(insn);
insn.Op1.type = o_imm;
insn.Op1.dtype = dtype_by_auxpref(insn);
insn.Op1.value = v;
if ( !shown )
insn.Op1.clr_shown();
return true;
}
//--------------------------------------------------------------------------
#define M1 if ( !(SET_BYTE & mask) ) return false
#define M2 if ( !(SET_WORD & mask) ) return false
#define M3 if ( !(SET_LONG & mask) ) return false
#define MB1 if ( !(SET_BIT_1 & mask) ) return false
#define MB2 if ( !(SET_BIT_2 & mask) ) return false
//--------------------------------------------------------------------------
static bool insn_sh_neg(insn_t &insn, uint8 byte4, uint8 byte5, uint16 mask)
{
uint16 opcode2 = (byte4 << 8) | byte5;
switch ( opcode2 )
{
case 0x1000: M1; return sh_ops_imm(insn, H8_shll, aux_byte, 1, false); // SHLL.B
case 0x1040: M1; return sh_ops_imm(insn, H8_shll, aux_byte, 2, true); // SHLL.B #2
case 0x10A0: M1; return sh_ops_imm(insn, H8_shll, aux_byte, 4, true); // SHLL.B #4
case 0x1010: M2; return sh_ops_imm(insn, H8_shll, aux_word, 1, false); // SHLL.W
case 0x1050: M2; return sh_ops_imm(insn, H8_shll, aux_word, 2, true); // SHLL.W #2
case 0x1020: M2; return sh_ops_imm(insn, H8_shll, aux_word, 4, true); // SHLL.W #4
case 0x1060: M2; return sh_ops_imm(insn, H8_shll, aux_word, 8, true); // SHLL.W #8
case 0x1030: M3; return sh_ops_imm(insn, H8_shll, aux_long, 1, false); // SHLL.L
case 0x1070: M3; return sh_ops_imm(insn, H8_shll, aux_long, 2, true); // SHLL.L #2
case 0x1038: M3; return sh_ops_imm(insn, H8_shll, aux_long, 4, true); // SHLL.L #4
case 0x1078: M3; return sh_ops_imm(insn, H8_shll, aux_long, 8, true); // SHLL.L #8
case 0x10F8: M3; return sh_ops_imm(insn, H8_shll, aux_long, 16, true); // SHLL.L #16
case 0x1100: M1; return sh_ops_imm(insn, H8_shlr, aux_byte, 1, false); // SHLR.B
case 0x1140: M1; return sh_ops_imm(insn, H8_shlr, aux_byte, 2, true); // SHLR.B #2
case 0x11A0: M1; return sh_ops_imm(insn, H8_shlr, aux_byte, 4, true); // SHLR.B #4
case 0x1110: M2; return sh_ops_imm(insn, H8_shlr, aux_word, 1, false); // SHLR.W
case 0x1150: M2; return sh_ops_imm(insn, H8_shlr, aux_word, 2, true); // SHLR.W #2
case 0x1120: M2; return sh_ops_imm(insn, H8_shlr, aux_word, 4, true); // SHLR.W #4
case 0x1160: M2; return sh_ops_imm(insn, H8_shlr, aux_word, 8, true); // SHLR.W #8
case 0x1130: M3; return sh_ops_imm(insn, H8_shlr, aux_long, 1, false); // SHLR.L
case 0x1170: M3; return sh_ops_imm(insn, H8_shlr, aux_long, 2, true); // SHLR.L #2
case 0x1138: M3; return sh_ops_imm(insn, H8_shlr, aux_long, 4, true); // SHLR.L #4
case 0x1178: M3; return sh_ops_imm(insn, H8_shlr, aux_long, 8, true); // SHLR.L #8
case 0x11F8: M3; return sh_ops_imm(insn, H8_shlr, aux_long, 16, true); // SHLR.L #16
case 0x1080: M1; return sh_ops_imm(insn, H8_shal, aux_byte, 1, false); // SHAL.B
case 0x10C0: M1; return sh_ops_imm(insn, H8_shal, aux_byte, 2, true); // SHAL.B #2
case 0x1090: M2; return sh_ops_imm(insn, H8_shal, aux_word, 1, false); // SHAL.W
case 0x10D0: M2; return sh_ops_imm(insn, H8_shal, aux_word, 2, true); // SHAL.W #2
case 0x10B0: M3; return sh_ops_imm(insn, H8_shal, aux_long, 1, false); // SHAL.L
case 0x10F0: M3; return sh_ops_imm(insn, H8_shal, aux_long, 2, true); // SHAL.L #2
case 0x1180: M1; return sh_ops_imm(insn, H8_shar, aux_byte, 1, false); // SHAR.B
case 0x11C0: M1; return sh_ops_imm(insn, H8_shar, aux_byte, 2, true); // SHAR.B #2
case 0x1190: M2; return sh_ops_imm(insn, H8_shar, aux_word, 1, false); // SHAR.W
case 0x11D0: M2; return sh_ops_imm(insn, H8_shar, aux_word, 2, true); // SHAR.W #2
case 0x11B0: M3; return sh_ops_imm(insn, H8_shar, aux_long, 1, false); // SHAR.L
case 0x11F0: M3; return sh_ops_imm(insn, H8_shar, aux_long, 2, true); // SHAR.L #2
case 0x1280: M1; return sh_ops_imm(insn, H8_rotl, aux_byte, 1, false); // ROTL.B
case 0x12C0: M1; return sh_ops_imm(insn, H8_rotl, aux_byte, 2, true); // ROTL.B #2
case 0x1290: M2; return sh_ops_imm(insn, H8_rotl, aux_word, 1, false); // ROTL.W
case 0x12D0: M2; return sh_ops_imm(insn, H8_rotl, aux_word, 2, true); // ROTL.W #2
case 0x12B0: M3; return sh_ops_imm(insn, H8_rotl, aux_long, 1, false); // ROTL.L
case 0x12F0: M3; return sh_ops_imm(insn, H8_rotl, aux_long, 2, true); // ROTL.L #2
case 0x1380: M1; return sh_ops_imm(insn, H8_rotr, aux_byte, 1, false); // ROTR.B
case 0x13C0: M1; return sh_ops_imm(insn, H8_rotr, aux_byte, 2, true); // ROTR.B #2
case 0x1390: M2; return sh_ops_imm(insn, H8_rotr, aux_word, 1, false); // ROTR.W
case 0x13D0: M2; return sh_ops_imm(insn, H8_rotr, aux_word, 2, true); // ROTR.W #2
case 0x13B0: M3; return sh_ops_imm(insn, H8_rotr, aux_long, 1, false); // ROTR.L
case 0x13F0: M3; return sh_ops_imm(insn, H8_rotr, aux_long, 2, true); // ROTR.L #2
case 0x1200: M1; return sh_ops_imm(insn, H8_rotxl, aux_byte, 1, false); // ROTXL.B
case 0x1240: M1; return sh_ops_imm(insn, H8_rotxl, aux_byte, 2, true); // ROTXL.B #2
case 0x1210: M2; return sh_ops_imm(insn, H8_rotxl, aux_word, 1, false); // ROTXL.W
case 0x1250: M2; return sh_ops_imm(insn, H8_rotxl, aux_word, 2, true); // ROTXL.W #2
case 0x1230: M3; return sh_ops_imm(insn, H8_rotxl, aux_long, 1, false); // ROTXL.L
case 0x1270: M3; return sh_ops_imm(insn, H8_rotxl, aux_long, 2, true); // ROTXL.L #2
case 0x1300: M1; return sh_ops_imm(insn, H8_rotxr, aux_byte, 1, false); // ROTXR.B
case 0x1340: M1; return sh_ops_imm(insn, H8_rotxr, aux_byte, 2, true); // ROTXR.B #2
case 0x1310: M2; return sh_ops_imm(insn, H8_rotxr, aux_word, 1, false); // ROTXR.W
case 0x1350: M2; return sh_ops_imm(insn, H8_rotxr, aux_word, 2, true); // ROTXR.W #2
case 0x1330: M3; return sh_ops_imm(insn, H8_rotxr, aux_long, 1, false); // ROTXR.L
case 0x1370: M3; return sh_ops_imm(insn, H8_rotxr, aux_long, 2, true); // ROTXR.L #2
case 0x17D0: M2; return sh_ops_imm(insn, H8_exts, aux_word, 1, false); // EXTS.W
case 0x17F0: M3; return sh_ops_imm(insn, H8_exts, aux_long, 1, false); // EXTS.L
case 0x17E0: M3; return sh_ops_imm(insn, H8_exts, aux_long, 2, true); // EXTS.L #2
case 0x1750: M2; return sh_ops_imm(insn, H8_extu, aux_word, 1, false); // EXTU.W
case 0x1770: M3; return sh_ops_imm(insn, H8_extu, aux_long, 1, false); // EXTU.L
case 0x1760: M3; return sh_ops_imm(insn, H8_extu, aux_long, 2, true); // EXTU.L #2
case 0x1700: M1; insn.itype = H8_not; insn.auxpref = aux_byte; return true; // NOT.B
case 0x1710: M2; insn.itype = H8_not; insn.auxpref = aux_word; return true; // NOT.W
case 0x1730: M3; insn.itype = H8_not; insn.auxpref = aux_long; return true; // NOT.L
case 0x1780: M1; insn.itype = H8_neg; insn.auxpref = aux_byte; return true; // NEG.B
case 0x1790: M2; insn.itype = H8_neg; insn.auxpref = aux_word; return true; // NEG.W
case 0x17B0: M3; insn.itype = H8_neg; insn.auxpref = aux_long; return true; // NEG.L
}
return false;
}
//--------------------------------------------------------------------------
static bool insn_addcmp(insn_t &insn, uint8 bt)
{
switch ( bt >> 4 )
{
case 0x1: insn.itype = H8_add; break;
case 0x2: insn.itype = H8_cmp; break;
case 0x3: insn.itype = H8_sub; break;
case 0x4: insn.itype = H8_or ; break;
case 0x5: insn.itype = H8_xor; break;
case 0x6: insn.itype = H8_and; break;
default: return false;
}
return true;
}
//--------------------------------------------------------------------------
static bool insn_addcmp_reg(insn_t &insn, uint8 byte2, uint8 byte3, bool swap, uint16 mask)
{
switch ( byte2 )
{
case 0x08: M1; insn.auxpref = aux_byte; insn.itype = H8_add; break; // ADD.B
case 0x09: M2; insn.auxpref = aux_word; insn.itype = H8_add; break; // ADD.W
case 0x18: M1; insn.auxpref = aux_byte; insn.itype = H8_sub; break; // SUB.B
case 0x19: M2; insn.auxpref = aux_word; insn.itype = H8_sub; break; // SUB.W
case 0x1C: M1; insn.auxpref = aux_byte; insn.itype = H8_cmp; break; // CMP.B
case 0x1D: M2; insn.auxpref = aux_word; insn.itype = H8_cmp; break; // CMP.W
case 0x14: M1; insn.auxpref = aux_byte; insn.itype = H8_or ; break; // OR.B
case 0x64: M2; insn.auxpref = aux_word; insn.itype = H8_or ; break; // OR.W
case 0x15: M1; insn.auxpref = aux_byte; insn.itype = H8_xor; break; // XOR.B
case 0x65: M2; insn.auxpref = aux_word; insn.itype = H8_xor; break; // XOR.W
case 0x16: M1; insn.auxpref = aux_byte; insn.itype = H8_and; break; // AND.B
case 0x66: M2; insn.auxpref = aux_word; insn.itype = H8_and; break; // AND.W
default: return false;
}
bool res;
if ( swap )
{
shift_Op1(insn);
res = op_reg(insn, insn.Op1, byte3, rH | zL);
}
else
{
res = op_reg(insn, insn.Op2, byte3, rL | zH);
}
return res;
}
//--------------------------------------------------------------------------
static bool insn_addcmp_i3(insn_t &insn, uint8 byte2, uint8 byte3)
{
if ( byte3 & 0x8F )
return 0;
switch ( byte2 )
{
case 0x0A: insn.auxpref = aux_word; insn.itype = H8_add; break; // ADD.W #xx:3
case 0x1A: insn.auxpref = aux_word; insn.itype = H8_sub; break; // SUB.W #xx:3
case 0x1F: insn.auxpref = aux_word; insn.itype = H8_cmp; break; // CMP.W #xx:3
default: return false;
}
shift_Op1(insn);
op_imm_3(insn.Op1, byte3);
return true;
}
//--------------------------------------------------------------------------
static bool insn_addcmp_i8(insn_t &insn, uint8 byte4, uint8 byte5)
{
switch ( byte4 )
{
case 0x80: insn.itype = H8_add; break;
case 0xA0: insn.itype = H8_cmp; break;
case 0xA1: insn.itype = H8_sub; break;
case 0xC0: insn.itype = H8_or; break;
case 0xD0: insn.itype = H8_xor; break;
case 0xE0: insn.itype = H8_and; break;
default: return false;
}
shift_Op1(insn);
insn.auxpref = aux_byte;
insn.Op1.type = o_imm;
insn.Op1.dtype = dt_byte;
insn.Op1.value = byte5;
return true;
}
//--------------------------------------------------------------------------
static bool insn_addx_reg(insn_t &insn, op_t &x, uint8 byte2, uint8 byte3, uint16 mask, ushort place)
{
switch ( byte2 )
{
case 0x0E: // ADDX.B
M1;
insn.auxpref = aux_byte;
insn.itype = H8_addx;
break;
case 0x1E: // SUBX.B
M1;
insn.auxpref = aux_byte;
insn.itype = H8_subx;
break;
case 0x09: // ADDX.W
M2;
insn.auxpref = aux_word;
insn.itype = H8_addx;
break;
case 0x19: // SUBX.W
M2;
insn.auxpref = aux_word;
insn.itype = H8_subx;
break;
case 0x0A: // ADDX.L
insn.itype = H8_addx;
goto ADDXL;
case 0x1A: // SUBX.L
insn.itype = H8_subx;
ADDXL:
M3;
if ( (byte3 & 0x80) != 0x80 )
return false;
byte3 &= ~0x80;
insn.auxpref = aux_long;
break;
default:
return false;
}
return op_reg(insn, x, byte3, place);
}
//--------------------------------------------------------------------------
static bool insn_addx_reg_Op1(insn_t &insn, uint8 byte2, uint8 byte3, uint16 mask, ushort place)
{
op_t op;
memset(&op, 0, sizeof(op));
if ( !insn_addx_reg(insn, op, byte2, byte3, mask, place ) )
return false;
shift_Op1(insn);
insn.Op1.type = op.type;
insn.Op1.reg = op.reg;
insn.Op1.dtype = op.dtype;
return true;
}
//--------------------------------------------------------------------------
bool h8_t::insn_addx_imm(insn_t &insn, op_t &x, uint8 byte2, uint8 byte3, uint16 mask, bool check_byte3)
{
if ( check_byte3 && (byte3 & 0x0F) != 0 )
return false;
switch ( byte3 & 0xF0 )
{
case 0x10:
insn.itype = H8_addx;
break;
case 0x30:
insn.itype = H8_subx;
break;
default:
return false;
}
switch ( byte2 )
{
case 0x79: // .W
M2;
insn.auxpref = aux_word;
return read_operand(insn, x, i16);
case 0x7A: // .L
M3;
insn.auxpref = aux_long;
return read_operand(insn, x, i32);
}
return false;
}
//--------------------------------------------------------------------------
static bool insn_addx_i8(insn_t &insn, uint8 byte4, uint8 byte5)
{
switch ( byte4 )
{
case 0x90:
insn.itype = H8_addx;
break;
case 0xB0:
insn.itype = H8_subx;
break;
default:
return false;
}
shift_Op1(insn);
insn.auxpref = aux_byte;
insn.Op1.type = o_imm;
insn.Op1.dtype = dt_byte;
insn.Op1.value = byte5;
return true;
}
//--------------------------------------------------------------------------
static bool insn_bit_reg(insn_t &insn, uint8 byte2, uint8 byte3, uint16 mask)
{
switch ( byte2 )
{
case 0x60:
MB2;
switch ( byte3 & 0x0F )
{
case 0: insn.itype = H8_bset; break;
case 6: insn.itype = H8_bsetne; break;
case 7: insn.itype = H8_bseteq; break;
default: return false;
}
break;
case 0x61:
MB2;
if ( byte3 & 0x0F )
return false;
insn.itype = H8_bnot;
break;
case 0x62:
MB2;
switch ( byte3 & 0x0F )
{
case 0: insn.itype = H8_bclr; break;
case 6: insn.itype = H8_bclrne; break;
case 7: insn.itype = H8_bclreq; break;
default: return false;
}
break;
case 0x63:
MB1;
if ( byte3 & 0x0F )
return false;
insn.itype = H8_btst;
break;
default:
return false;
}
shift_Op1(insn);
return op_reg(insn, insn.Op1, byte3, rH, aux_byte);
}
//--------------------------------------------------------------------------
static bool insn_bit_i3(insn_t &insn, uint8 byte2, uint8 byte3, uint16 mask)
{
switch ( byte2 )
{
case 0x67:
MB2;
switch ( byte3 & 0x8F )
{
case 0x00: insn.itype = H8_bst; break;
case 0x07: insn.itype = H8_bstz; break;
case 0x80: insn.itype = H8_bist; break;
case 0x87: insn.itype = H8_bistz; break;
default: return false;
}
break;
case 0x70:
MB2;
switch ( byte3 & 0x8F )
{
case 0x00: insn.itype = H8_bset; break;
case 0x06: insn.itype = H8_bsetne; break;
case 0x07: insn.itype = H8_bseteq; break;
default: return false;
}
break;
case 0x71:
MB2;
if ( byte3 & 0x8F )
return false;
insn.itype = H8_bnot;
break;
case 0x72:
MB2;
switch ( byte3 & 0x8F )
{
case 0x00: insn.itype = H8_bclr; break;
case 0x06: insn.itype = H8_bclrne; break;
case 0x07: insn.itype = H8_bclreq; break;
default: return false;
}
break;
case 0x73:
MB1;
if ( byte3 & 0x8F )
return false;
insn.itype = H8_btst;
break;
case 0x74:
MB1;
if ( byte3 & 0x0F )
return false;
insn.itype = byte3 & 0x80 ? H8_bior : H8_bor;
break;
case 0x75:
MB1;
if ( byte3 & 0x0F )
return false;
insn.itype = byte3 & 0x80 ? H8_bixor : H8_bxor;
break;
case 0x76:
MB1;
if ( byte3 & 0x0F )
return false;
insn.itype = byte3 & 0x80 ? H8_biand : H8_band;
break;
case 0x77:
MB1;
if ( byte3 & 0x0F )
return false;
insn.itype = byte3 & 0x80 ? H8_bild : H8_bld;
break;
default:
return false;
}
shift_Op1(insn);
op_imm_3(insn.Op1, byte3);
return true;
}
//--------------------------------------------------------------------------
static bool insn_bit(insn_t &insn, uint8 byte2, uint8 byte3, uint16 mask)
{
return insn_bit_reg(insn, byte2, byte3, mask)
|| insn_bit_i3(insn, byte2, byte3, mask);
}
//--------------------------------------------------------------------------
bool h8_t::insn_bra(insn_t &insn, uint8 byte2, uint8 byte3)
{
if ( (byte2 & 0xF0) == 0x40 )
{
if ( byte3 & 1 )
return 0;
insn.itype = byte2 & 8 ? H8_brabs : H8_brabc;
shift_Op1(insn);
op_imm_8(insn.Op1, byte2 & 7);
insn.Op3.type = o_near;
insn.Op3.dtype = dt_code;
insn.Op3.offb = (uchar)insn.size - 1;
signed char disp = byte3;
insn.Op3.addr = insn.ip + insn.size + disp;
insn.Op3.addr &= ~1;
return insn.size != 0;
}
if ( byte2 == 0x58 )
insn.itype = byte3 & 0x80 ? H8_brabs : H8_brabc;
else if ( byte2 == 0x5C )
insn.itype = byte3 & 0x80 ? H8_bsrbs : H8_bsrbc;
else
return false;
if ( byte3 & 0x0F )
return false;
shift_Op1(insn);
op_imm_8(insn.Op1, (byte3 >> 4) & 7);
return read_operand(insn, insn.Op3, j16);
}
//--------------------------------------------------------------------------
bool h8_t::insn_bfld_bfst(insn_t &insn, uint8 byte2, uint8 byte3, bool is_bfld)
{
if ( (byte2 & 0xF0) != 0xF0 )
return false;
if ( is_bfld )
{
insn.itype = H8_bfld;
shift_Op1(insn);
op_imm_8(insn.Op1, byte3);
code = byte2;
return read_operand(insn, insn.Op3, rLB);
}
else
{
insn.itype = H8_bfst;
insn.Op3 = insn.Op1; insn.Op3.n = 2;
code = byte2;
op_imm_8(insn.Op2, byte3);
return read_operand(insn, insn.Op1, rLB);
}
}
//--------------------------------------------------------------------------
bool h8_t::use_leaf_map(insn_t &insn, const map_t *m, uint8 idx)
{
m += idx;
if ( (m->proc & ptype) == 0
|| m->itype == H8_null
|| m->itype >= H8_last )
{
return false;
}
insn.itype = m->itype;
if ( (m->op1 & X) == 0 ) switch ( m->op1 & CMD_SIZE )
{
case B: insn.auxpref = aux_byte; break;
case W: insn.auxpref = aux_word; break;
case L: insn.auxpref = aux_long; break;
case V: insn.auxpref = advanced() ? aux_long : aux_word; break;
}
return read_operand(insn, insn.Op1, m->op1)
&& read_operand(insn, insn.Op2, m->op2);
}
//--------------------------------------------------------------------------
bool h8_t::op_from_byte(insn_t &insn, op_t &x, uint8 byte2)
{
QASSERT(10308, insn.auxpref != aux_none);
uint8 hiNi = hi_ni(byte2);
uint8 loNi = byte2 & 0x0F;
switch ( hiNi )
{
case 0x0:
case 0x1:
case 0x2:
case 0x3:
return op_phrase_displ2(insn, x, loNi, hiNi);
case 0x4:
return loNi == 0 ? read_operand(insn, x, aa16)
: loNi == 8 ? read_operand(insn, x, aa32) : false;
case 0x8:
case 0x9:
case 0xA:
case 0xB:
return op_phrase_prepost(insn, x, loNi, hiNi);
case 0xC:
case 0xD:
case 0xE:
case 0xF:
return op_displ_regidx(insn, x, hiNi, (loNi & 8) != 0, loNi & ~8);
}
return false;
}
//--------------------------------------------------------------------------
bool h8_t::read_1st_op(insn_t &insn, uint8 byte2, uint8 byte3_hiNi)
{
uint8 code_2bits = code & 3;
switch ( byte2 )
{
case 0x68:
return code >= 0x71
&& code <= 0x77
&& op_phrase_displ2(insn, insn.Op1, byte3_hiNi, code_2bits);
case 0x69:
return op_phrase_displ2(insn, insn.Op1, byte3_hiNi, code_2bits);
case 0x6B:
if ( code_2bits != 0 )
return false;
if ( !(byte3_hiNi == 0 || byte3_hiNi == 2) )
return false;
return read_operand(insn, insn.Op1, byte3_hiNi == 0 ? aa16 | L : aa32 | L);
case 0x6C:
if ( (code & 0xF0) != 0x70 )
return false;
// no break;
case 0x6D:
return op_phrase_prepost(insn, insn.Op1, byte3_hiNi, code_2bits);
case 0x6E:
if ( (code & 0xF0) != 0x70 )
return false;
// no break;
case 0x6F:
return op_displ_regidx(insn, insn.Op1, code, false, byte3_hiNi);
}
return false;
}
//--------------------------------------------------------------------------
static bool op_reg(const insn_t &insn, op_t &x, uint8 reg, ushort place, uint16 aux_assumed)
{
QASSERT(10303, (place & OPTYPE) == rH || (place & OPTYPE) == rL);
QASSERT(10304, insn.auxpref != aux_none || aux_assumed != aux_none);
static const regnum_t base_reg[] = { regnum_t(-1), R0H, R0, ER0 };
if ( place & zH && reg & 0xF0
|| place & zL && reg & 0x0F )
{
return false;
}
if ( (place & OPTYPE) == rH )
reg >>= 4;
reg &= 0x0F;
if ( insn.auxpref == aux_long && reg & 8 )
return false;
x.type = o_reg;
if ( insn.auxpref != aux_none )
{
x.reg = base_reg[insn.auxpref] + reg;
x.dtype = dtype_by_auxpref(insn);
}
else
{
x.reg = base_reg[aux_assumed] + reg;
x.dtype = aux_assumed - 1;
}
return true;
}
//--------------------------------------------------------------------------
bool h8_t::op_phrase(const insn_t &insn, op_t &x, uint8 reg, int pht, op_dtype_t dtype)
{
QASSERT(10305, insn.auxpref != aux_none || dtype != aux_byte);
if ( reg & 8 )
return false;
x.type = o_phrase;
x.dtype = insn.auxpref != aux_none ? dtype_by_auxpref(insn) : dtype;
x.reg = r0() + reg;
x.phtype = pht;
return true;
}
//--------------------------------------------------------------------------
bool h8_t::op_phrase_prepost(const insn_t &insn, op_t &x, uint8 reg, uint8 selector)
{
selector &= 3;
op_dtype_t dtyp = selector == 0 ? ph_post_inc
: selector == 1 ? ph_pre_inc
: selector == 2 ? ph_post_dec : ph_pre_dec;
return op_phrase(insn, x, reg, dtyp);
}
//--------------------------------------------------------------------------
bool h8_t::op_phrase_displ2(const insn_t &insn, op_t &x, uint8 reg, uint8 displ)
{
QASSERT(10298, insn.auxpref != aux_none);
if ( reg & 8 )
return false;
if ( displ == 0 )
{
return op_phrase(insn, x, reg, ph_normal);
}
x.type = o_displ;
x.dtype = dtype_by_auxpref(insn);
x.reg = ER0 + reg;
x.addr = insn.auxpref == aux_long ? displ << 2 :
insn.auxpref == aux_word ? displ << 1 : displ;
x.szfl |= disp_2;
return true;
}
//--------------------------------------------------------------------------
static void op_imm(const insn_t &insn, op_t &x, uval_t val)
{
x.type = o_imm;
x.value = val;
x.dtype = dtype_by_auxpref(insn);
}
//--------------------------------------------------------------------------
static void op_imm_8(op_t &x, uint8 val)
{
x.type = o_imm;
x.dtype = dt_byte;
x.value = val;
}
//--------------------------------------------------------------------------
static void op_imm_3(op_t &x, uint8 val)
{
x.type = o_imm;
x.dtype = dt_byte;
x.value = (val >> 4) & 7;
}
//--------------------------------------------------------------------------
bool h8_t::op_displ_regidx(insn_t &insn, op_t &x, uint8 selector, bool is_32, uint8 reg)
{
if ( reg & 8 )
return false;
regnum_t r;
switch ( selector & 3 )
{
case 0:
r = ER0;
break;
case 1:
x.displtype = dt_regidx;
r = R0L;
x.szfl |= idx_byte;
break;
case 2:
x.displtype = dt_regidx;
r = R0;
x.szfl |= idx_word;
break;
case 3:
x.displtype = dt_regidx;
r = ER0;
x.szfl |= idx_long;
break;
}
is_32 ? opdsp32(insn, x, dtype_by_auxpref(insn)) : opdsp16(insn, x, dtype_by_auxpref(insn));
x.reg = r + reg;
return true;
}
//--------------------------------------------------------------------------
static bool op_aa_8(const insn_t &insn, op_t &x, uint8 val, op_dtype_t dtyp)
{
x.type = o_mem;
x.offb = (uchar)insn.size - sizeof(val);
x.dtype = dtyp;
x.addr = val;
x.memtype = mem_sbr;
return true;
}
//--------------------------------------------------------------------------
static bool op_reglist(op_t &x, uint8 reg, uint8 delta, bool is_inc)
{
x.type = o_reglist;
x.dtype = dt_dword;
x.nregs = delta + 1;
if ( is_inc && reg >= delta )
x.reg = ER0 + reg - delta;
else if ( !is_inc && reg + delta <= 7 )
x.reg = ER0 + reg;
else
return false;
return true;
}