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Part 2.

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OBattler
2023-07-16 03:01:11 +02:00
parent 21e20f1ea2
commit 8b4a2a6ecc
8 changed files with 246 additions and 857 deletions
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12
src/cpu/x86_ops_mmx.h
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@@ -3,12 +3,16 @@
#define USATB(val) (((val) < 0) ? 0 : (((val) > 255) ? 255 : (val)))
#define USATW(val) (((val) < 0) ? 0 : (((val) > 65535) ? 65535 : (val)))
#define MMX_GETREGP(r) fpu_softfloat ? ((MMX_REG *) &fpu_state.st_space[r].fraction) : &(cpu_state.MM[r])
#define MMX_GETREG(r) fpu_softfloat ? (*(MMX_REG *) &fpu_state.st_space[r].fraction) : cpu_state.MM[r]
#define MMX_SETEXP() \
if (fpu_softfloat) \
fpu_state.st_space[cpu_reg].exp = 0xffff
#define MMX_GETSRC() \
if (cpu_mod == 3) { \
if (fpu_softfloat) \
src = *(MMX_REG *)&fpu_state.st_space[cpu_rm].fraction; \
else \
src = cpu_state.MM[cpu_rm]; \
src = MMX_GETREG(cpu_rm); \
CLOCK_CYCLES(1); \
} else { \
SEG_CHECK_READ(cpu_state.ea_seg); \