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Port from MESS, nw

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This commit is contained in:
Angelo Salese 2011-07-14 14:32:07 +00:00
parent 518d9743cc
commit b03213265f
2 changed files with 12 additions and 9 deletions
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19
src/mame/drivers/saturn.c
View File

@ -532,7 +532,7 @@ static READ32_HANDLER( saturn_scu_r )
break;
case 0xc8/4:
logerror("(PC=%08x) SCU version reg read\n",cpu_get_pc(&space->device()));
res = 0x00000000;/*SCU Version 0, OK?*/
res = 0x00000004;/*SCU Version 4, OK?*/
break;
default:
if(LOG_SCU) logerror("(PC=%08x) SCU reg read at %d = %08x\n",cpu_get_pc(&space->device()),offset,state->m_scu_regs[offset]);
@ -559,7 +559,7 @@ static WRITE32_HANDLER( saturn_scu_w )
case 0x08/4: case 0x28/4: case 0x48/4: state->m_scu.size[DMA_CH] = ((state->m_scu_regs[offset] & ((offset == 2) ? 0x000fffff : 0x1fff)) >> 0); break;
case 0x0c/4: case 0x2c/4: case 0x4c/4:
/*Read address add value for DMA lv 0*/
state->m_scu.src_add[DMA_CH] = (state->m_scu_regs[offset] & 0x100) ? 4 : 1;
state->m_scu.src_add[DMA_CH] = (state->m_scu_regs[offset] & 0x100) ? 4 : 0;
/*Write address add value for DMA lv 0*/
state->m_scu.dst_add[DMA_CH] = 2 << (state->m_scu_regs[offset] & 7);
@ -672,9 +672,12 @@ static void scu_dma_direct(address_space *space, UINT8 dma_ch)
saturn_state *state = space->machine().driver_data<saturn_state>();
static UINT32 tmp_src,tmp_dst,tmp_size;
if(0)
{
if(LOG_SCU) printf("DMA lv %d transfer START\n"
"Start %08x End %08x Size %04x\n",dma_ch,state->m_scu.src[dma_ch],state->m_scu.dst[dma_ch],state->m_scu.size[dma_ch]);
if(LOG_SCU) printf("Start Add %04x Destination Add %04x\n",state->m_scu.src_add[dma_ch],state->m_scu.dst_add[dma_ch]);
}
DnMV_1(dma_ch);
@ -761,9 +764,6 @@ static void scu_dma_direct(address_space *space, UINT8 dma_ch)
if(!(DRUP(dma_ch))) state->m_scu.src[dma_ch] = tmp_src;
if(!(DWUP(dma_ch))) state->m_scu.dst[dma_ch] = tmp_dst;
if(dma_ch != 2)
if(LOG_SCU) logerror("DMA transfer END\n");
{
/*TODO: this is completely wrong HW-wise ... */
switch(dma_ch)
@ -808,9 +808,12 @@ static void scu_dma_indirect(address_space *space,UINT8 dma_ch)
if(indirect_src & 0x80000000)
job_done = 1;
if(LOG_SCU) printf("DMA lv %d indirect mode transfer START\n"
"Index %08x Start %08x End %08x Size %04x\n",dma_ch,tmp_src,indirect_src,indirect_dst,indirect_size);
if(LOG_SCU) printf("Start Add %04x Destination Add %04x\n",state->m_scu.src_add[dma_ch],state->m_scu.dst_add[dma_ch]);
if(0)
{
if(LOG_SCU) printf("DMA lv %d indirect mode transfer START\n"
"Index %08x Start %08x End %08x Size %04x\n",dma_ch,tmp_src,indirect_src,indirect_dst,indirect_size);
if(LOG_SCU) printf("Start Add %04x Destination Add %04x\n",state->m_scu.src_add[dma_ch],state->m_scu.dst_add[dma_ch]);
}
//guess,but I believe it's right.
indirect_src &=0x07ffffff;

2
src/mame/machine/stvcd.c
View File

@ -202,7 +202,7 @@ TIMER_DEVICE_CALLBACK( stv_sector_cb )
{
cr2 = cdrom_get_adr_control(cdrom, cur_track)<<8 | cur_track;
}
cr3 = (cd_curfad>>16)&0xff;
cr3 = (0x01<<8)|((cd_curfad>>16)&0xff); /* put index to be always 1 for now */
cr4 = cd_curfad&0xffff;
timer.adjust(attotime::from_hz(CD_SPEED));