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GPU: Allow DMAs in Mode 1

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Exact behaviour is still unknown, but it works on console (Nicolas
Noble's torus demo).
This commit is contained in:
Stenzek 2024-07-02 14:55:22 +10:00
parent fbdeea7889
commit aabe39d0f8
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1 changed files with 4 additions and 1 deletions
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5
src/core/gpu.h
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@ -116,7 +116,10 @@ public:
// DMA access
void DMARead(u32* words, u32 word_count);
ALWAYS_INLINE bool BeginDMAWrite() const { return (m_GPUSTAT.dma_direction == DMADirection::CPUtoGP0); }
ALWAYS_INLINE bool BeginDMAWrite() const
{
return (m_GPUSTAT.dma_direction == DMADirection::CPUtoGP0 || m_GPUSTAT.dma_direction == DMADirection::FIFO);
}
ALWAYS_INLINE void DMAWrite(u32 address, u32 value)
{
m_fifo.Push((ZeroExtend64(address) << 32) | ZeroExtend64(value));