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Remove bugged code
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RocketRobz committed Jan 22, 2024
1 parent 4c5dfb8 commit d551492
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Showing 2 changed files with 2 additions and 65 deletions.
61 changes: 1 addition & 60 deletions retail/cardenginei/arm9/source/cardDma.thumb.c
Original file line number Diff line number Diff line change
Expand Up @@ -682,78 +682,19 @@ void cardSetDma(u32 * params) {
u32 src = params[3];
u8* dst = (u8*)params[4];
u32 len = params[5];

// Simulate ROM mirroring
while (src >= ce9->romPaddingSize) {
src -= ce9->romPaddingSize;
}
params[3] = src;

disableIrqMask(IRQ_CARD);
disableIrqMask(IRQ_CARD_LINE);

bool romPart = false;
//int romPartNo = 0;
if (!(ce9->valueBits & ROMinRAM)) {
/*for (int i = 0; i < 2; i++) {
if (ce9->romPartSize[i] == 0) {
break;
}
romPart = (src >= ce9->romPartSrc[i] && src < ce9->romPartSrc[i]+ce9->romPartSize[i]);
if (romPart) {
romPartNo = i;
break;
}
}*/
romPart = (ce9->romPartSize > 0 && src >= ce9->romPartSrc && src < ce9->romPartSrc+ce9->romPartSize);
}
if (dmaOn && ((ce9->valueBits & ROMinRAM) || romPart)) {
dmaDirectRead = true;

enableIPC_SYNC();

// Copy via dma
u32 newSrc = ce9->romLocation/*[romPartNo]*/+src;
if (src > *(u32*)0x02FFE1C0) {
newSrc -= *(u32*)0x02FFE1CC;
}
currentNdmaSlot = 4;
for (u8 i = 0; i < 4; i++) {
if (!ndmaBusy(i)) {
currentNdmaSlot = i;
break;
}
}
if (currentNdmaSlot == 4) {
// Copy via CPU if all NDMA slots are in use
cardRead(NULL, dst, src, len);
endCardReadDma();
} else {
ndmaCopyWordsAsynch(currentNdmaSlot, (u8*)newSrc, dst, len);
IPC_SendSync(0x3);
}
} else {
cardRead(NULL, dst, src, len);
endCardReadDma();
}
#else
vu32* volatile cardStruct = (vu32*)ce9->cardStruct0;

u32 src = ((ce9->valueBits & isSdk5) ? params[3] : cardStruct[0]);
u8* dst = ((ce9->valueBits & isSdk5) ? (u8*)(params[4]) : (u8*)(cardStruct[1]));
u32 len = ((ce9->valueBits & isSdk5) ? params[5] : cardStruct[2]);

// Simulate ROM mirroring
while (src >= ce9->romPaddingSize) {
src -= ce9->romPaddingSize;
}
#endif

disableIrqMask(IRQ_CARD);
disableIrqMask(IRQ_CARD_LINE);

cardRead(NULL, dst, src, len);
endCardReadDma();
#endif
}
#endif

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6 changes: 1 addition & 5 deletions retail/cardenginei/arm9/source/cardengine.c
Original file line number Diff line number Diff line change
Expand Up @@ -1253,14 +1253,10 @@ void myIrqHandlerIPC(void) {
switch (IPC_GetSync()) {
case 0x3:
extern bool dmaDirectRead;
#ifdef DLDI
if (dmaDirectRead) {
endCardReadDma();
}
#else
if (dmaDirectRead) {
endCardReadDma();
}
#ifndef DLDI
#ifndef TWLSDK
else if (ce9->patches->cardEndReadDmaRef || ce9->thumbPatches->cardEndReadDmaRef) { // new dma method
continueCardReadDmaArm7();
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