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Add row and mask register emulation

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This commit is contained in:
John Burley
2026-06-25 18:29:47 -04:00
parent 5be6c56a56
commit 455eb56762
1 changed files with 7 additions and 3 deletions
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10
Source/Core/Core/HW/WII_IPC.cpp
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@@ -60,7 +60,9 @@ enum
VERSION = 0x214,
IS_128 = 0xB4216,
MEM2_ROWSEL = 0xB4212,
MEM2_RANKSEL = 0xB4216,
MEM2_ROWMSK = 0xB421A,
};
// Indicates which pins are accessible by broadway. Writable by starlet only.
@@ -265,8 +267,10 @@ void WiiIPC::RegisterMMIO(MMIO::Mapping* mmio, u32 base)
// Sets the Hollywood version register to 0x11 (same as placed in lomem)
mmio->Register(base | VERSION, MMIO::Constant<u32>(0x00000011), MMIO::Nop<u32>());
const bool mem2_128 = memory.GetExRamSizeReal() == Memory::MEM2_SIZE_NDEV;
mmio->Register(base | IS_128, MMIO::Constant<u16>(mem2_128 ? 1 : 0), MMIO::Nop<u16>());
const bool mem2_is_128 = memory.GetExRamSizeReal() == Memory::MEM2_SIZE_NDEV;
mmio->Register(base | MEM2_ROWSEL, MMIO::Constant<u16>(4), MMIO::Nop<u16>());
mmio->Register(base | MEM2_RANKSEL, MMIO::Constant<u16>(mem2_is_128 ? 1 : 7), MMIO::Nop<u16>());
mmio->Register(base | MEM2_ROWMSK, MMIO::Constant<u16>(0xFFF), MMIO::Nop<u16>());
mmio->Register(base | UNK_180, MMIO::Constant<u32>(0), MMIO::Nop<u32>());
mmio->Register(base | UNK_1CC, MMIO::Constant<u32>(0), MMIO::Nop<u32>());