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change vram bank A-D conflict priorities, since we found a test case where they were wrong.

This commit is contained in:
zeromus 2012-06-20 21:08:24 +00:00
parent ca005cc3e7
commit 1fb288cbda
1 changed files with 8 additions and 3 deletions
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11
desmume/src/MMU.cpp
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@ -737,6 +737,7 @@ static inline void MMU_VRAMmapControl(u8 block, u8 VRAMBankCnt)
T1WriteByte(MMU.MMU_MEM[ARMCPU_ARM9][0x40], 0x240 + block, VRAMBankCnt);
//refresh all bank settings
//zero XX-XX-200X (long before jun 2012)
//these are enumerated so that we can tune the order they get applied
//in order to emulate prioritization rules for memory regions
//with multiple banks mapped.
@ -749,10 +750,14 @@ static inline void MMU_VRAMmapControl(u8 block, u8 VRAMBankCnt)
MMU_VRAMmapRefreshBank(VRAM_BANK_G);
MMU_VRAMmapRefreshBank(VRAM_BANK_F);
MMU_VRAMmapRefreshBank(VRAM_BANK_E);
MMU_VRAMmapRefreshBank(VRAM_BANK_D);
MMU_VRAMmapRefreshBank(VRAM_BANK_C);
MMU_VRAMmapRefreshBank(VRAM_BANK_B);
//zero 21-jun-2012
//tomwi's streaming music demo sets A and D to ABG (the A is an accident).
//in this case, D should get priority.
//this is somewhat risky. will it break other things?
MMU_VRAMmapRefreshBank(VRAM_BANK_A);
MMU_VRAMmapRefreshBank(VRAM_BANK_B);
MMU_VRAMmapRefreshBank(VRAM_BANK_C);
MMU_VRAMmapRefreshBank(VRAM_BANK_D);
//printf(vramConfiguration.describe().c_str());
//printf("vram remapped at vcount=%d\n",nds.VCount);