ShuriZma
/
flycast
mirror of https://github.com/flyinghead/flycast.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

Fix Sort-DMA

This commit is contained in:
Flyinghead 2019-05-10 16:10:07 +02:00
parent 77c1389921
commit c5a74ccfb7
1 changed files with 6 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
core/hw/pvr/pvr_sb_regs.cpp
View File

@ -55,7 +55,7 @@ void do_pvr_dma()
}
DMAC_SAR(0) = (src + len);
DMAC_CHCR(0).full &= 0xFFFFFFFE;
DMAC_CHCR(0).TE = 1;
DMAC_DMATCR(0) = 0x00000000;
SB_PDST = 0x00000000;
@ -73,7 +73,7 @@ void RegWrite_SB_PDST(u32 addr, u32 data)
}
u32 calculate_start_link_addr()
{
u8* base=&mem_b[SB_SDSTAW & RAM_MASK];
u8* base = &mem_b[SB_SDSTAW & (RAM_MASK - 31)];
u32 rv;
if (SB_SDWLT==0)
{
@ -94,9 +94,9 @@ void pvr_do_sort_dma()
SB_SDDIV=0;//index is 0 now :)
u32 link_addr=calculate_start_link_addr();
u32 link_base_addr = SB_SDBAAW;
u32 link_base_addr = SB_SDBAAW & ~31;
while (link_addr!=1)
while (link_addr != 2)
{
if (SB_SDLAS==1)
link_addr*=32;
@ -107,7 +107,7 @@ void pvr_do_sort_dma()
link_addr=ea_ptr[0x1C>>2];//Next link
//transfer global param
ta_vtx_data(ea_ptr,ea_ptr[0x18>>2]);
if (link_addr==2)
if (link_addr == 1)
{
link_addr=calculate_start_link_addr();
}
@ -115,6 +115,7 @@ void pvr_do_sort_dma()
// End of DMA :)
SB_SDST=0;
SB_SDSTAW += 32;
asic_RaiseInterrupt(holly_PVR_SortDMA);
}
// Auto sort DMA :|