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Added 66 3E prefix ([DYNAREC] too) (for #619)

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This commit is contained in:
ptitSeb 2022-05-02 10:37:05 +02:00
parent 89652e9ff2
commit 44ee38a868
3 changed files with 6 additions and 2 deletions
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2
src/dynarec/dynarec_arm_66.c
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@ -38,7 +38,7 @@ uintptr_t dynarec66(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int ninst,
MAYUSE(u8);
MAYUSE(j32);
while(opcode==0x66) opcode = F8; // "unlimited" 0x66 as prefix for variable sized NOP
if(opcode==0x2E) opcode = F8; // cs: is ignored
if((opcode==0x26) || (opcode==0x2E) || (opcode==0x36) || (opcode==0x3E)) opcode = F8; // segment prefix are ignored
switch(opcode) {
case 0x01:

4
src/emu/run66.h
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@ -89,6 +89,10 @@
_66_0x3D:
cmp16(emu, R_AX, F16);
NEXT;
_66_0x3E: /* DS: */
// ignored
opcode = F8;
goto *opcodes66[opcode];
_66_0x40:
_66_0x41:

2
src/emu/x86run.c
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@ -145,7 +145,7 @@ int Run(x86emu_t *emu, int step)
&&_66_0x20_0, &&_66_0x20_1, &&_66_0x20_2, &&_66_0x20_3, &&_66_0x20_4 ,&&_66_0x20_5, &&_66_0x26, &&_default, //0x20-0x27
&&_66_0x28_0, &&_66_0x28_1, &&_66_0x28_2, &&_66_0x28_3, &&_66_0x28_4 ,&&_66_0x28_5, &&_66_0x2E, &&_default, //0x28-0x2F
&&_66_0x30_0, &&_66_0x30_1, &&_66_0x30_2, &&_66_0x30_3, &&_66_0x30_4 ,&&_66_0x30_5, &&_66_0x36, &&_default, //0x30-0x37
&&_default, &&_66_0x39, &&_default, &&_66_0x3B, &&_default, &&_66_0x3D, &&_default, &&_default, //0x38-0x3F
&&_default, &&_66_0x39, &&_default, &&_66_0x3B, &&_default, &&_66_0x3D, &&_66_0x3E, &&_default, //0x38-0x3F
&&_66_0x40, &&_66_0x41, &&_66_0x42, &&_66_0x43, &&_66_0x44, &&_66_0x45, &&_66_0x46, &&_66_0x47,
&&_66_0x48, &&_66_0x49, &&_66_0x4A, &&_66_0x4B, &&_66_0x4C, &&_66_0x4D, &&_66_0x4E, &&_66_0x4F,
&&_66_0x50, &&_66_0x51, &&_66_0x52, &&_66_0x53, &&_66_0x54, &&_66_0x55, &&_66_0x56, &&_66_0x57, //0x50-0x57