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

core: 

- some fixes;
This commit is contained in:
mtabachenko 2008-12-08 13:11:05 +00:00
parent f04f80ba20
commit f41d634d5a
1 changed files with 8 additions and 23 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

31
desmume/src/MMU.cpp
View File

@ -416,22 +416,7 @@ u8 *MMU_RenderMapToLCD(u32 vram_addr)
vram_addr &= 0x01FFFFF;
u8 engine_offset = (vram_addr >> 14);
u8 block = MMU.VRAM_MAP[engine][engine_offset];
if (block == 7)
{
switch (engine)
{
case 0: // Engine ABG
return (ARM9Mem.ARM9_ABG + vram_addr);
case 1: // Engine BBG
return (ARM9Mem.ARM9_BBG + vram_addr);
case 2: // Engine AOBJ
return (ARM9Mem.ARM9_AOBJ + vram_addr);
case 3: // Engine BOBJ
return (ARM9Mem.ARM9_BOBJ + vram_addr);
}
LOG("render: VRAM not mapped to LCD\n");
return NULL;
}
if (block == 7) return (EngineAddr[engine] + vram_addr);
vram_addr -= MMU.LCD_VRAM_ADDR[block];
return (LCDdst[block] + vram_addr);
}
@ -463,6 +448,13 @@ static inline void MMU_VRAMmapControl(u8 block, u8 VRAMBankCnt)
if (!(VRAMBankCnt & 0x80)) return;
if (!(VRAMBankCnt & 0x07)) return;
for (int i = 0; i < 4; i++)
{
for (int t = 0; t < 32; t++)
if (MMU.VRAM_MAP[i][t] == block)
MMU.VRAM_MAP[i][t] = 7;
}
u32 vram_map_addr = 0xFFFFFFFF;
u8 *LCD_addr = LCDdst[block];
@ -586,13 +578,6 @@ static inline void MMU_VRAMmapControl(u8 block, u8 VRAMBankCnt)
break;
}
for (int i = 0; i < 4; i++)
{
for (int t = 0; t < 32; t++)
if (MMU.VRAM_MAP[i][t] == block)
MMU.VRAM_MAP[i][t] = 7;
}
if (vram_map_addr != 0xFFFFFFFF)
{
u8 engine = (vram_map_addr >> 21);