ShuriZma
/
mgba
mirror of https://github.com/mgba-emu/mgba.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

DS Memory: Add LDM/STM VRAM

This commit is contained in:
Vicki Pfau 2017-02-16 22:23:58 -08:00
parent 9c30435c9f
commit 4b6c00289c
1 changed files with 21 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/ds/memory.c
View File

@ -1042,6 +1042,18 @@ uint32_t DS9LoadMultiple(struct ARMCore* cpu, uint32_t address, int mask, enum L
case DS_REGION_IO:
LDM_LOOP(value = DS9IORead32(ds, address));
break;
case DS_REGION_VRAM:
LDM_LOOP(unsigned mask = _selectVRAM(memory, address >> DS_VRAM_OFFSET);
value = 0;
int i = 0;
for (i = 0; i < 9; ++i) {
if (mask & (1 << i)) {
uint32_t newValue;
LOAD_32(newValue, address & _vramMask[i], memory->vramBank[i]);
value |= newValue;
}
});
break;
default:
LDM_LOOP(if ((address & ~(DS9_SIZE_DTCM - 1)) == memory->dtcmBase) {
LOAD_32(value, address & (DS9_SIZE_DTCM - 1), memory->dtcm);
@ -1109,6 +1121,15 @@ uint32_t DS9StoreMultiple(struct ARMCore* cpu, uint32_t address, int mask, enum
mLOG(DS_MEM, STUB, "Unimplemented DS9 STM: %08X", address);
});
break;
case DS_REGION_VRAM:
STM_LOOP(unsigned mask = _selectVRAM(memory, address >> DS_VRAM_OFFSET);
int i = 0;
for (i = 0; i < 9; ++i) {
if (mask & (1 << i)) {
STORE_32(value, address & _vramMask[i], memory->vramBank[i]);
}
});
break;
default:
STM_LOOP(if ((address & ~(DS9_SIZE_DTCM - 1)) == memory->dtcmBase) {
STORE_32(value, address & (DS9_SIZE_DTCM - 1), memory->dtcm);