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added 16bit REG_DISPx_MOSAIC write

This commit is contained in:
mightymax 2007-01-08 21:51:01 +00:00
parent abf8e68cbc
commit 5f80bae387
1 changed files with 23 additions and 16 deletions
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39
desmume/src/MMU.c
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@ -1184,6 +1184,12 @@ void FASTCALL MMU_write16(u32 proc, u32 adr, u16 val)
case REG_DISPB_BLDY:
GPU_setBLDY(SubScreen.gpu,val) ;
break ;
case REG_DISPA_MOSAIC:
GPU_setMOSAIC(MainScreen.gpu,val) ;
break ;
case REG_DISPB_MOSAIC:
GPU_setMOSAIC(SubScreen.gpu,val) ;
break ;
case REG_IME :
MMU.reg_IME[proc] = val&1;
T1WriteWord(MMU.MMU_MEM[proc][0x40], 0x208, val);
@ -2095,13 +2101,14 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
}
if((!(MMU.DMACrt[proc][num]&(1<<31)))&&(!(MMU.DMACrt[proc][num]&(1<<25))))
{
{ /* not enabled and not to be repeated */
MMU.DMAStartTime[proc][num] = 0;
MMU.DMACycle[proc][num] = 0;
//MMU.DMAing[proc][num] = FALSE;
return;
}
/* word count */
taille = (MMU.DMACrt[proc][num]&0xFFFF);
if(MMU.DMAStartTime[proc][num] == 5) taille *= 0x80;
@ -2116,11 +2123,11 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
switch((MMU.DMACrt[proc][num]>>26)&1)
{
case 1 :
case 1 : /* 32 bit DMA transfers */
switch(((MMU.DMACrt[proc][num]>>21)&0xF))
{
u32 i;
case 0 :
case 0 : /* dst and src increment */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
@ -2128,7 +2135,7 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
src += 4;
}
break;
case 1 :
case 1 : /* dst decrement, src increment */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
@ -2136,14 +2143,14 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
src += 4;
}
break;
case 2 :
case 2 : /* dst fixed, src increment */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
src += 4;
}
break;
case 3 :
case 3 : /*dst increment/reload, src increment */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
@ -2151,7 +2158,7 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
src += 4;
}
break;
case 4 :
case 4 : /* dst increment, src decrement */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
@ -2159,7 +2166,7 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
src -= 4;
}
break;
case 5 :
case 5 : /* dst decrement, src decrement */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
@ -2167,14 +2174,14 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
src -= 4;
}
break;
case 6 :
case 6 : /* dst fixed, src decrement */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
src -= 4;
}
break;
case 7 :
case 7 : /* dst increment/reload, src decrement */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
@ -2182,38 +2189,38 @@ void FASTCALL MMU_doDMA(u32 proc, u32 num)
src -= 4;
}
break;
case 8 :
case 8 : /* dst increment, src fixed */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
dst += 4;
}
break;
case 9 :
case 9 : /* dst decrement, src fixed */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
dst -= 4;
}
break;
case 10 :
case 10 : /* dst fixed, src fixed */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
}
break;
case 11 :
case 11 : /* dst increment/reload, src fixed */
for(i = 0; i < taille; ++i)
{
MMU_writeWord(proc, dst, MMU_readWord(proc, src));
dst += 4;
}
break;
default :
default : /* reserved */
break;
}
break;
case 0 :
case 0 : /* 16 bit transfers */
switch(((MMU.DMACrt[proc][num]>>21)&0xF))
{
u32 i;