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Mapper 176: Fix work/save ram banking logic - it's either fully battery-backed or not (rather than half/half)

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Sour 2019-01-17 18:32:40 -05:00
parent cc07cb283a
commit 2bc07c453b
1 changed files with 4 additions and 4 deletions
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8
Core/Fk23C.h
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@ -44,10 +44,10 @@ protected:
uint16_t GetPRGPageSize() override { return 0x2000; }
uint16_t GetCHRPageSize() override { return 0x0400; }
uint32_t GetChrRamSize() override { return 0x20000; } //only used for iNES 1.0 files w/ no DB entry
uint32_t GetChrRamSize() override { return 0x40000; } //Some games have up to 256kb of CHR RAM (only used for iNES 1.0 files w/ no DB entry)
uint16_t GetChrRamPageSize() override { return 0x400; }
uint32_t GetWorkRamSize() override { return 0x8000; } //only used for iNES 1.0 files w/ no DB entry
uint32_t GetWorkRamSize() override { return 0x8000; } //Somes games have up to 32kb of Work RAM (only used for iNES 1.0 files w/ no DB entry)
uint32_t GetWorkRamPageSize() override { return 0x2000; }
void InitMapper() override
@ -222,8 +222,8 @@ protected:
if(_wramConfigEnabled) {
uint8_t nextBank = (_wramBankSelect + 1) & 0x03;
SetCpuMemoryMapping(0x4000, 0x5FFF, (nextBank & 0x02) >> 1, (nextBank & 0x01) ? PrgMemoryType::SaveRam : PrgMemoryType::WorkRam, MemoryAccessType::ReadWrite);
SetCpuMemoryMapping(0x6000, 0x7FFF, (_wramBankSelect & 0x02) >> 1, (_wramBankSelect & 0x01) ? PrgMemoryType::SaveRam : PrgMemoryType::WorkRam, MemoryAccessType::ReadWrite);
SetCpuMemoryMapping(0x4000, 0x5FFF, nextBank, HasBattery() ? PrgMemoryType::SaveRam : PrgMemoryType::WorkRam, MemoryAccessType::ReadWrite);
SetCpuMemoryMapping(0x6000, 0x7FFF, _wramBankSelect, HasBattery() ? PrgMemoryType::SaveRam : PrgMemoryType::WorkRam, MemoryAccessType::ReadWrite);
} else {
if(_wramEnabled) {
SetCpuMemoryMapping(0x6000, 0x7FFF, 0, PrgMemoryType::WorkRam, _wramWriteProtected ? MemoryAccessType::Read : MemoryAccessType::ReadWrite);