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Fixed FPU on RapidCard onwards (fixes OS/2 on RapidCard onwards to no longer think it's a 287) and renamed the Built-in FPU to Internal to be consistent with the rest of the emulator.

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This commit is contained in:
OBattler
2020-06-15 22:49:30 +02:00
parent 685dfbb24e
commit 3e8d27d015
4 changed files with 363 additions and 363 deletions
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4
src/cpu/x87_ops.h
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@@ -321,7 +321,7 @@ static __inline uint16_t x87_compare(double a, double b)
if (!memcmp(&ea, &ia, 8) && !memcmp(&eb, &ib, 8))
return C3;
if ((fpu_type != FPU_287XL) && (fpu_type != FPU_387) && !(cpu_state.npxc & 0x1000) &&
if ((fpu_type < FPU_287XL) && !(cpu_state.npxc & 0x1000) &&
((a == INFINITY) || (a == -INFINITY)) && ((b == INFINITY) || (b == -INFINITY)))
eb = ea;
@@ -358,7 +358,7 @@ static __inline uint16_t x87_compare(double a, double b)
uint32_t result = 0;
double ea = a, eb = b;
if ((fpu_type != FPU_287XL) && (fpu_type != FPU_387) && !(cpu_state.npxc & 0x1000) &&
if ((fpu_type < FPU_287XL) && !(cpu_state.npxc & 0x1000) &&
((a == INFINITY) || (a == -INFINITY)) && ((b == INFINITY) || (b == -INFINITY)))
eb = ea;