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DS Memory: Allow jumping to VRAM

This commit is contained in:
Vicki Pfau 2017-04-06 14:56:20 -07:00
parent 8f66e29021
commit 0bdf30f650
1 changed files with 16 additions and 0 deletions
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16
src/ds/memory.c
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@ -786,6 +786,22 @@ static void DS9SetActiveRegion(struct ARMCore* cpu, uint32_t address) {
cpu->memory.activeNonseqCycles32 = 0;
cpu->memory.activeNonseqCycles16 = 0;
return;
case DS_REGION_VRAM:
if (address >= 0x06800000) {
unsigned mask = _selectVRAM(&ds->memory, address >> DS_VRAM_OFFSET);
if (mask) {
int i = 0;
for (i = 0; i < 9; ++i) {
if (mask & (1 << i)) {
cpu->memory.activeRegion = (uint32_t*) ds->memory.vramBank[i];
cpu->memory.activeMask = _vramMask[i];
break;
}
}
break;
}
}
// Fall through
default:
jump_error:
memory->activeRegion = -1;