Retro/pcem
Watch
1
0
Fork
You've already forked pcem
 0
Code Issues Pull requests Projects Releases Packages Wiki Activity Actions

Fixed DMA bug introduced with memory mapping changes - SB games should no longer crash.

Browse source
This commit is contained in:
TomW 2013-10-22 19:52:46 +01:00
commit 2c054de1f6
1 changed files with 10 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

10
src/mem.c
View file

@ -870,6 +870,9 @@ void addreadlookup(uint32_t virt, uint32_t phys)
{ {
// return; // return;
// printf("Addreadlookup %08X %08X %08X %08X %08X %08X %02X %08X\n",virt,phys,cs,ds,es,ss,opcode,pc); // printf("Addreadlookup %08X %08X %08X %08X %08X %08X %02X %08X\n",virt,phys,cs,ds,es,ss,opcode,pc);
if (virt == 0xffffffff)
return;
if (readlookup2[virt>>12]!=0xFFFFFFFF) if (readlookup2[virt>>12]!=0xFFFFFFFF)
{ {
/* if (readlookup2[virt>>12] != phys&~0xfff) /* if (readlookup2[virt>>12] != phys&~0xfff)
@ -908,6 +911,9 @@ void addwritelookup(uint32_t virt, uint32_t phys)
{ {
// return; // return;
// printf("Addwritelookup %08X %08X\n",virt,phys); // printf("Addwritelookup %08X %08X\n",virt,phys);
if (virt == 0xffffffff)
return;
if (writelookup2[virt>>12]!=0xFFFFFFFF) if (writelookup2[virt>>12]!=0xFFFFFFFF)
{ {
/* if (writelookup2[virt>>12] != phys&~0xfff) /* if (writelookup2[virt>>12] != phys&~0xfff)
@ -1258,6 +1264,8 @@ void writememll(uint32_t seg, uint32_t addr, uint32_t val)
uint8_t mem_readb_phys(uint32_t addr) uint8_t mem_readb_phys(uint32_t addr)
{ {
mem_logical_addr = 0xffffffff;
if (_mem_read_b[addr >> 14]) if (_mem_read_b[addr >> 14])
return _mem_read_b[addr >> 14](addr, _mem_priv[addr >> 14]); return _mem_read_b[addr >> 14](addr, _mem_priv[addr >> 14]);
@ -1266,6 +1274,8 @@ uint8_t mem_readb_phys(uint32_t addr)
void mem_writeb_phys(uint32_t addr, uint8_t val) void mem_writeb_phys(uint32_t addr, uint8_t val)
{ {
mem_logical_addr = 0xffffffff;
if (_mem_write_b[addr >> 14]) if (_mem_write_b[addr >> 14])
_mem_write_b[addr >> 14](addr, val, _mem_priv[addr >> 14]); _mem_write_b[addr >> 14](addr, val, _mem_priv[addr >> 14]);
} }