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melonDS
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fix bug with SD reads going a bit too far

This commit is contained in:
Arisotura 2019-06-19 14:44:00 +02:00
parent 81dde71eba
commit 78b28f6a5c
1 changed files with 6 additions and 6 deletions
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12
src/DSi_SD.cpp
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@ -160,12 +160,12 @@ void DSi_SDHost::FinishSend(u32 param)
host->ClearIRQ(25);
host->SetIRQ(24);
if (param & 0x2) host->SetIRQ(2);
//if (param & 0x2) host->SetIRQ(2);
}
void DSi_SDHost::SendData(u8* data, u32 len)
{
printf("%s: data RX, len=%d, blkcnt=%d blklen=%d, irq=%08X\n", SD_DESC, len, BlockCount16, BlockLen16, IRQMask);
printf("%s: data RX, len=%d, blkcnt=%d (%d) blklen=%d, irq=%08X\n", SD_DESC, len, BlockCount16, BlockCountInternal, BlockLen16, IRQMask);
if (len != BlockLen16) printf("!! BAD BLOCKLEN\n");
bool last = (BlockCountInternal == 0);
@ -236,7 +236,7 @@ u16 DSi_SDHost::Read(u32 addr)
{
ClearIRQ(24);
if (BlockCountInternal == 0)
if (BlockCountInternal <= 1)
{
printf("%s: data RX complete", SD_DESC);
@ -251,7 +251,7 @@ u16 DSi_SDHost::Read(u32 addr)
// CHECKME: presumably IRQ2 should not trigger here, but rather
// when the data transfer is done
//SetIRQ(0);
//SetIRQ(2);
SetIRQ(2);
}
else
{
@ -300,7 +300,7 @@ u32 DSi_SDHost::ReadFIFO32()
{
ClearIRQ(24);
if (BlockCountInternal == 0)
if (BlockCountInternal <= 1)
{
printf("%s: data32 RX complete", SD_DESC);
@ -315,7 +315,7 @@ u32 DSi_SDHost::ReadFIFO32()
// CHECKME: presumably IRQ2 should not trigger here, but rather
// when the data transfer is done
//SetIRQ(0);
//SetIRQ(2);
SetIRQ(2);
}
else
{