mirror of
https://github.com/DaedalusX64/daedalus.git
synced 2025-04-02 10:21:48 -04:00
81 lines
2.4 KiB
C++
81 lines
2.4 KiB
C++
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#define TEST_DISABLE_AI_FUNCS //DAEDALUS_PROFILE(__FUNCTION__);
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//*****************************************************************************
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//
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//*****************************************************************************
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u32 Patch_osAiGetLength()
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{
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TEST_DISABLE_AI_FUNCS
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// Hardcoding 2880 here causes Aerogauge to get 40%+ speed up, yammy!
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gGPR[REG_v0]._s64 = (s64)Memory_AI_GetRegister(AI_LEN_REG);
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return PATCH_RET_JR_RA;
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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inline bool IsAiDeviceBusy()
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{
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u32 status = Memory_AI_GetRegister( AI_STATUS_REG );
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if (status & (AI_STATUS_DMA_BUSY | AI_STATUS_FIFO_FULL))
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return true;
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else
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return false;
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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u32 Patch_osAiSetNextBuffer()
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{
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TEST_DISABLE_AI_FUNCS
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u32 addr = gGPR[REG_a0]._u32_0;
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u32 len = gGPR[REG_a1]._u32_0;
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// If Ai interface is busy, stop the dma operation, can this happen??
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#ifdef DAEDALUS_ENABLE_ASSERTS
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DAEDALUS_ASSERT( IsAiDeviceBusy()==0, "Warning: AI Interace is busy, can't DMA'd" );
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#endif
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//DBGConsole_Msg(0, "osAiNextBuffer() %08X len %d bytes",addr,len);
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Memory_AI_SetRegister( AI_LEN_REG, len );
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Memory_AI_SetRegister( AI_DRAM_ADDR_REG, addr );
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#ifdef DAEDALUS_ENABLE_ASSERTS
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DAEDALUS_ASSERT( gAudioPlugin, "Audio plugin is not initialized");
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#endif
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gAudioPlugin->AiLenChanged();
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// Return 0 if succesfully DMA'd audio, otherwise -1 if busy
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gGPR[REG_v0]._s64 = 0;
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return PATCH_RET_JR_RA;
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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////// FIXME: Not implemented fully, we are missing it from the symbol table :(
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u32 Patch_osAiSetFrequency()
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{
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TEST_DISABLE_AI_FUNCS
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return PATCH_RET_NOT_PROCESSED;
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//u32 freg = gGPR[REG_a0]._u32_0;
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//DBGConsole_Msg(0, "osAiSetFrequency(%d)", freg);
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//gGPR[REG_v1]._u64 = freg;
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//return PATCH_RET_JR_RA;
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}
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//*****************************************************************************
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//
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//*****************************************************************************
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u32 Patch___osAiDeviceBusy()
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{
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TEST_DISABLE_AI_FUNCS
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gGPR[REG_v0]._s64 = (s64)IsAiDeviceBusy();
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return PATCH_RET_JR_RA;
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}
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