30 lines
995 B
C++
30 lines
995 B
C++
#include "recomp.h"
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#include <cstdio>
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#include <string>
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#include "../portultra/ultra64.h"
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#include "../portultra/multilibultra.hpp"
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#define VI_NTSC_CLOCK 48681812
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extern "C" void osAiSetFrequency_recomp(uint8_t* rdram, recomp_context* ctx) {
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uint32_t freq = ctx->r4;
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// This makes actual audio frequency more accurate to console, but may not be desirable
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//uint32_t dacRate = (uint32_t)(((float)VI_NTSC_CLOCK / freq) + 0.5f);
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//freq = VI_NTSC_CLOCK / dacRate;
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ctx->r2 = freq;
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Multilibultra::set_audio_frequency(freq);
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}
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extern "C" void osAiSetNextBuffer_recomp(uint8_t* rdram, recomp_context* ctx) {
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Multilibultra::queue_audio_buffer(rdram, ctx->r4, ctx->r5);
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ctx->r2 = 0;
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}
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extern "C" void osAiGetLength_recomp(uint8_t* rdram, recomp_context* ctx) {
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ctx->r2 = Multilibultra::get_remaining_audio_bytes();
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}
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extern "C" void osAiGetStatus_recomp(uint8_t* rdram, recomp_context* ctx) {
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ctx->r2 = 0x00000000; // Pretend the audio DMAs finish instantly
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}
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