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arm_dyncom_thumb: Implement REV, REV16, and REVSH.

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Lioncash 2015-05-31 03:33:07 -04:00
parent 595fe49a8f
commit b64dea80ce
1 changed files with 12 additions and 2 deletions
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14
src/core/arm/dyncom/arm_dyncom_thumb.cpp
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@ -274,9 +274,19 @@ tdstate thumb_translate(u32 addr, u32 instr, u32* ainstr, u32* inst_size) {
? 0xE24DDF00 // SUB
: 0xE28DDF00) // ADD
|(tinstr & 0x007F); // off7
} else if ((tinstr & 0x0F00) == 0x0e00)
} else if ((tinstr & 0x0F00) == 0x0e00) {
*ainstr = 0xEF000000 | 0x180000; // base | BKPT mask
else {
} else if ((tinstr & 0x0F00) == 0x0a00) {
static const ARMword subset[3] = {
0xE6BF0F30, // REV
0xE6BF0FB0, // REV16
0xE6FF0FB0, // REVSH
};
*ainstr = subset[BITS(tinstr, 6, 7)] // base
| (BITS(tinstr, 0, 2) << 12) // Rd
| BITS(tinstr, 3, 5); // Rm
} else {
static const ARMword subset[4] = {
0xE92D0000, // STMDB sp!,{rlist}
0xE92D4000, // STMDB sp!,{rlist,lr}