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Improve LDR/STR cycle counting

This commit is contained in:
Jeffrey Pfau 2013-05-11 14:55:29 -07:00
parent 013e322c0b
commit 0a37300bcf
1 changed files with 6 additions and 6 deletions
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12
src/gba/gba-memory.c
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@ -158,7 +158,7 @@ int32_t GBALoad32(struct ARMMemory* memory, uint32_t address, int* cycleCounter)
if (cycleCounter) { if (cycleCounter) {
*cycleCounter += wait; *cycleCounter += 2 + wait;
} }
// Unaligned 32-bit loads are "rotated" so they make some semblance of sense // Unaligned 32-bit loads are "rotated" so they make some semblance of sense
int rotate = (address & 3) << 3; int rotate = (address & 3) << 3;
@ -221,7 +221,7 @@ int16_t GBALoad16(struct ARMMemory* memory, uint32_t address, int* cycleCounter)
} }
if (cycleCounter) { if (cycleCounter) {
*cycleCounter += wait; *cycleCounter += 2 + wait;
} }
return value; return value;
} }
@ -276,7 +276,7 @@ int8_t GBALoad8(struct ARMMemory* memory, uint32_t address, int* cycleCounter) {
} }
if (cycleCounter) { if (cycleCounter) {
*cycleCounter += wait; *cycleCounter += 2 + wait;
} }
return value; return value;
} }
@ -318,7 +318,7 @@ void GBAStore32(struct ARMMemory* memory, uint32_t address, int32_t value, int*
} }
if (cycleCounter) { if (cycleCounter) {
*cycleCounter += wait; *cycleCounter += 1 + wait;
} }
} }
@ -364,7 +364,7 @@ void GBAStore16(struct ARMMemory* memory, uint32_t address, int16_t value, int*
} }
if (cycleCounter) { if (cycleCounter) {
*cycleCounter += wait; *cycleCounter += 1 + wait;
} }
} }
@ -410,7 +410,7 @@ void GBAStore8(struct ARMMemory* memory, uint32_t address, int8_t value, int* cy
} }
if (cycleCounter) { if (cycleCounter) {
*cycleCounter += wait; *cycleCounter += 1 + wait;
} }
} }