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desmume
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core: 

- fix dma (fix bug #2867258);
This commit is contained in:
mtabachenko 2009-11-20 18:38:33 +00:00
parent 9e3ddf7fe7
commit 8459879bed
1 changed files with 17 additions and 18 deletions
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35
desmume/src/MMU.cpp
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@ -1963,7 +1963,10 @@ void DmaController::doCopy()
//reschedule an event for the end of this dma, and figure out how much it cost us
doSchedule();
nextEvent += todo/4; //TODO - surely this is a gross simplification
// zeromus, check it
if (wordcount > todo)
nextEvent += todo/4; //TODO - surely this is a gross simplification
//apparently moon has very, very tight timing (i didnt spy it using waitbyloop swi...)
//so lets bump this down a bit for now,
//(i think this code is in nintendo libraries)
@ -2071,7 +2074,7 @@ static INLINE void write_auxspicnt(const int proc, const int size, const int adr
//================================================= MMU write 08
void FASTCALL _MMU_ARM9_write08(u32 adr, u8 val)
{
mmu_log_debug_ARM9(adr, "(write08) %0x%X", val);
mmu_log_debug_ARM9(adr, "(write08) 0x%02X", val);
if(adr < 0x02000000)
{
@ -2287,7 +2290,7 @@ void FASTCALL _MMU_ARM9_write08(u32 adr, u8 val)
//================================================= MMU ARM9 write 16
void FASTCALL _MMU_ARM9_write16(u32 adr, u16 val)
{
mmu_log_debug_ARM9(adr, "(write16) %0x%X", val);
mmu_log_debug_ARM9(adr, "(write16) 0x%04X", val);
if (adr < 0x02000000)
{
@ -2772,7 +2775,7 @@ void FASTCALL _MMU_ARM9_write16(u32 adr, u16 val)
//================================================= MMU ARM9 write 32
void FASTCALL _MMU_ARM9_write32(u32 adr, u32 val)
{
mmu_log_debug_ARM9(adr, "(write32) %0x%X", val);
mmu_log_debug_ARM9(adr, "(write32) 0x%08X", val);
if(adr<0x02000000)
{
@ -3165,7 +3168,7 @@ void FASTCALL _MMU_ARM9_write32(u32 adr, u32 val)
//================================================= MMU ARM9 read 08
u8 FASTCALL _MMU_ARM9_read08(u32 adr)
{
mmu_log_debug_ARM9(adr, "(read08) %0x%X", MMU.MMU_MEM[ARMCPU_ARM9][(adr>>20)&0xFF][adr&MMU.MMU_MASK[ARMCPU_ARM9][(adr>>20)&0xFF]]);
mmu_log_debug_ARM9(adr, "(read08) 0x%02X", MMU.MMU_MEM[ARMCPU_ARM9][(adr>>20)&0xFF][adr&MMU.MMU_MASK[ARMCPU_ARM9][(adr>>20)&0xFF]]);
if(adr<0x02000000)
return T1ReadByte(MMU.ARM9_ITCM, adr&0x7FFF);
@ -3197,7 +3200,7 @@ u8 FASTCALL _MMU_ARM9_read08(u32 adr)
//================================================= MMU ARM9 read 16
u16 FASTCALL _MMU_ARM9_read16(u32 adr)
{
mmu_log_debug_ARM9(adr, "(read16) %0x%X", T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][0x40], adr & MMU.MMU_MASK[ARMCPU_ARM9][(adr >> 20) & 0xFF]));
mmu_log_debug_ARM9(adr, "(read16) 0x%04X", T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM9][0x40], adr & MMU.MMU_MASK[ARMCPU_ARM9][(adr >> 20) & 0xFF]));
if(adr<0x02000000)
return T1ReadWord_guaranteedAligned(MMU.ARM9_ITCM, adr & 0x7FFE);
@ -3278,7 +3281,7 @@ u16 FASTCALL _MMU_ARM9_read16(u32 adr)
//================================================= MMU ARM9 read 32
u32 FASTCALL _MMU_ARM9_read32(u32 adr)
{
mmu_log_debug_ARM9(adr, "(read32) %0x%X", T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x40], adr & MMU.MMU_MASK[ARMCPU_ARM9][(adr >> 20)]));
mmu_log_debug_ARM9(adr, "(read32) 0x%08X", T1ReadLong(MMU.MMU_MEM[ARMCPU_ARM9][0x40], adr & MMU.MMU_MASK[ARMCPU_ARM9][(adr >> 20)]));
if(adr<0x02000000)
return T1ReadLong_guaranteedAligned(MMU.ARM9_ITCM, adr&0x7FFC);
@ -3393,7 +3396,7 @@ u32 FASTCALL _MMU_ARM9_read32(u32 adr)
//================================================= MMU ARM7 write 08
void FASTCALL _MMU_ARM7_write08(u32 adr, u8 val)
{
mmu_log_debug_ARM7(adr, "(write08) %0x%X", val);
mmu_log_debug_ARM7(adr, "(write08) 0x%02X", val);
if ( (adr >= 0x08000000) && (adr < 0x0A010000) )
{
@ -3402,15 +3405,13 @@ void FASTCALL _MMU_ARM7_write08(u32 adr, u8 val)
}
adr &= 0x0FFFFFFF;
// This is bad, remove it
if ((adr>=0x04000400)&&(adr<0x0400051D))
{
SPU_WriteByte(adr, val);
return;
}
adr &= 0x0FFFFFFF;
if(adr == 0x04000301)
{
switch(val)
@ -3458,7 +3459,7 @@ void FASTCALL _MMU_ARM7_write08(u32 adr, u8 val)
//================================================= MMU ARM7 write 16
void FASTCALL _MMU_ARM7_write16(u32 adr, u16 val)
{
mmu_log_debug_ARM7(adr, "(write16) %0x%X", val);
mmu_log_debug_ARM7(adr, "(write16) 0x%04X", val);
if ( (adr >= 0x08000000) && (adr < 0x0A010000) )
{
@ -3476,7 +3477,6 @@ void FASTCALL _MMU_ARM7_write16(u32 adr, u16 val)
adr &= 0x0FFFFFFF;
// This is bad, remove it
if ((adr>=0x04000400)&&(adr<0x0400051D))
{
SPU_WriteWord(adr, val);
@ -3756,7 +3756,7 @@ void FASTCALL _MMU_ARM7_write16(u32 adr, u16 val)
//================================================= MMU ARM7 write 32
void FASTCALL _MMU_ARM7_write32(u32 adr, u32 val)
{
mmu_log_debug_ARM7(adr, "(write32) %0x%X", val);
mmu_log_debug_ARM7(adr, "(write32) 0x%08X", val);
if ( (adr >= 0x08000000) && (adr < 0x0A010000) )
{
@ -3776,7 +3776,6 @@ void FASTCALL _MMU_ARM7_write32(u32 adr, u32 val)
adr &= 0x0FFFFFFF;
// This is bad, remove it
if ((adr>=0x04000400)&&(adr<0x0400051D))
{
SPU_WriteLong(adr, val);
@ -3873,7 +3872,7 @@ void FASTCALL _MMU_ARM7_write32(u32 adr, u32 val)
//================================================= MMU ARM7 read 08
u8 FASTCALL _MMU_ARM7_read08(u32 adr)
{
mmu_log_debug_ARM7(adr, "(read08) %0x%X", MMU.MMU_MEM[ARMCPU_ARM7][(adr>>20)&0xFF][adr&MMU.MMU_MASK[ARMCPU_ARM7][(adr>>20)&0xFF]]);
mmu_log_debug_ARM7(adr, "(read08) 0x%02X", MMU.MMU_MEM[ARMCPU_ARM7][(adr>>20)&0xFF][adr&MMU.MMU_MASK[ARMCPU_ARM7][(adr>>20)&0xFF]]);
// wifi mac access
if ((adr>=0x04800000)&&(adr<0x05000000))
@ -3906,7 +3905,7 @@ u8 FASTCALL _MMU_ARM7_read08(u32 adr)
//================================================= MMU ARM7 read 16
u16 FASTCALL _MMU_ARM7_read16(u32 adr)
{
mmu_log_debug_ARM7(adr, "(read16) %0x%X", T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM7][(adr >> 20) & 0xFF], adr & MMU.MMU_MASK[ARMCPU_ARM7][(adr >> 20) & 0xFF]));
mmu_log_debug_ARM7(adr, "(read16) 0x%04X", T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM7][(adr >> 20) & 0xFF], adr & MMU.MMU_MASK[ARMCPU_ARM7][(adr >> 20) & 0xFF]));
//wifi mac access
if ((adr>=0x04800000)&&(adr<0x05000000))
@ -3973,7 +3972,7 @@ u16 FASTCALL _MMU_ARM7_read16(u32 adr)
//================================================= MMU ARM7 read 32
u32 FASTCALL _MMU_ARM7_read32(u32 adr)
{
mmu_log_debug_ARM7(adr, "(read32) %0x%X", T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM7][(adr >> 20) & 0xFF], adr & MMU.MMU_MASK[ARMCPU_ARM7][(adr >> 20) & 0xFF]));
mmu_log_debug_ARM7(adr, "(read32) 0x%08X", T1ReadWord(MMU.MMU_MEM[ARMCPU_ARM7][(adr >> 20) & 0xFF], adr & MMU.MMU_MASK[ARMCPU_ARM7][(adr >> 20) & 0xFF]));
//wifi mac access
if ((adr>=0x04800000)&&(adr<0x05000000))