ptitSeb/box64
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Added 9E/9F opcodes ([DYNAREC] too)

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ptitSeb committed 2021-04-12 18:49:54 +02:00
1 parent 88b6cc1907
commit d01bdf9186
2 files changed
+28 -2
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src/dynarec/dynarec_arm64_00.c
+15 -1
View File
@@ -1016,7 +1016,21 @@ uintptr_t dynarec64_00(dynarec_arm_t* dyn, uintptr_t addr, uintptr_t ip, int nin
ORRw_mask(xFlags, xFlags, 0b011111, 0); //mask=0x00000002
SET_DFNONE(x1);
break;
case 0x9E:
INST_NAME("SAHF");
SETFLAGS(X_CF|X_PF|X_AF|X_ZF|X_SF, SF_SUBSET);
MOV32w(x2, 0b11010101);
BICw_REG(xFlags, xFlags, x2);
UBFXx(x1, xRAX, 8, 8);
ANDw_REG(x1, x1, x2);
ORRw_REG(xFlags, xFlags, x1);
SET_DFNONE(x1);
break;
case 0x9F:
INST_NAME("LAHF");
READFLAGS(X_CF|X_PF|X_AF|X_ZF|X_SF);
BFIx(xRAX, xFlags, 8, 8);
break;
case 0xA0:
INST_NAME("MOV AL,Ob");
u64 = F64;
src/emu/x64run.c
+13 -1
View File
@@ -538,7 +538,19 @@ x64emurun:
emu->eflags.x64 = ((Pop(emu) & 0x3F7FD7)/* & (0xffff-40)*/ ) | 0x2; // mask off res2 and res3 and on res1
RESET_FLAGS(emu);
break;
case 0x9E: /* SAHF */
tmp8u = emu->regs[_AX].byte[1];
CONDITIONAL_SET_FLAG(tmp8u&0x01, F_CF);
CONDITIONAL_SET_FLAG(tmp8u&0x04, F_PF);
CONDITIONAL_SET_FLAG(tmp8u&0x10, F_AF);
CONDITIONAL_SET_FLAG(tmp8u&0x40, F_ZF);
CONDITIONAL_SET_FLAG(tmp8u&0x80, F_SF);
RESET_FLAGS(emu);
break;
case 0x9F: /* LAHF */
CHECK_FLAGS(emu);
R_AH = (uint8_t)emu->eflags.x64;
break;
case 0xA0: /* MOV AL,Ob */
R_AL = *(uint8_t*)F64;
break;