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DS Memory: Improve timing

This commit is contained in:
Vicki Pfau 2017-02-24 21:34:29 -08:00
parent a9ca1221f2
commit 6d2b0aa787
1 changed files with 10 additions and 4 deletions
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14
src/ds/memory.c
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@ -40,10 +40,10 @@ static const char DS7_BASE_WAITSTATES_32[16] = { 0, 0, 9, 0, 0, 1, 1, 0 };
static const char DS7_BASE_WAITSTATES_SEQ[16] = { 0, 0, 1, 0, 0, 0, 0, 0 };
static const char DS7_BASE_WAITSTATES_SEQ_32[16] = { 0, 0, 2, 0, 0, 1, 1, 0 };
static const char DS9_BASE_WAITSTATES[16] = { 6, 6, 17, 6, 6, 7, 7, 6 };
static const char DS9_BASE_WAITSTATES_32[16] = { 6, 6, 19, 6, 6, 9, 9, 6 };
static const char DS9_BASE_WAITSTATES_SEQ[16] = { 1, 1, 1, 1, 1, 2, 2, 1 };
static const char DS9_BASE_WAITSTATES_SEQ_32[16] = { 1, 1, 3, 1, 1, 4, 4, 1 };
static const char DS9_BASE_WAITSTATES[16] = { 0, 0, 17, 6, 6, 7, 7, 6 };
static const char DS9_BASE_WAITSTATES_32[16] = { 0, 0, 19, 6, 6, 9, 9, 6 };
static const char DS9_BASE_WAITSTATES_SEQ[16] = { 0, 0, 1, 1, 1, 2, 2, 1 };
static const char DS9_BASE_WAITSTATES_SEQ_32[16] = { 0, 0, 3, 1, 1, 4, 4, 1 };
void DSMemoryInit(struct DS* ds) {
struct ARMCore* arm7 = ds->ds7.cpu;
@ -89,6 +89,12 @@ void DSMemoryInit(struct DS* ds) {
ds->ds9.memory.waitstatesPrefetchNonseq32[i] = DS9_BASE_WAITSTATES_32[i];
ds->ds9.memory.waitstatesPrefetchSeq32[i] = DS9_BASE_WAITSTATES_32[i];
}
ds->ds9.memory.waitstatesPrefetchNonseq16[2] = 0;
ds->ds9.memory.waitstatesPrefetchSeq16[2] = 0;
ds->ds9.memory.waitstatesPrefetchNonseq32[2] = 0;
ds->ds9.memory.waitstatesPrefetchSeq32[2] = 0;
for (; i < 256; ++i) {
ds->ds7.memory.waitstatesNonseq16[i] = 0;
ds->ds7.memory.waitstatesSeq16[i] = 0;