mirror of
https://github.com/Zelda64Recomp/Zelda64Recomp.git
synced 2025-10-30 08:03:03 +00:00
29 lines
995 B
C++
29 lines
995 B
C++
#include "recomp.h"
|
|
#include <cstdio>
|
|
#include <string>
|
|
#include "../portultra/ultra64.h"
|
|
#include "../portultra/multilibultra.hpp"
|
|
|
|
#define VI_NTSC_CLOCK 48681812
|
|
|
|
extern "C" void osAiSetFrequency_recomp(uint8_t* rdram, recomp_context* ctx) {
|
|
uint32_t freq = ctx->r4;
|
|
// This makes actual audio frequency more accurate to console, but may not be desirable
|
|
//uint32_t dacRate = (uint32_t)(((float)VI_NTSC_CLOCK / freq) + 0.5f);
|
|
//freq = VI_NTSC_CLOCK / dacRate;
|
|
ctx->r2 = freq;
|
|
Multilibultra::set_audio_frequency(freq);
|
|
}
|
|
|
|
extern "C" void osAiSetNextBuffer_recomp(uint8_t* rdram, recomp_context* ctx) {
|
|
Multilibultra::queue_audio_buffer(rdram, ctx->r4, ctx->r5);
|
|
ctx->r2 = 0;
|
|
}
|
|
|
|
extern "C" void osAiGetLength_recomp(uint8_t* rdram, recomp_context* ctx) {
|
|
ctx->r2 = Multilibultra::get_remaining_audio_bytes();
|
|
}
|
|
|
|
extern "C" void osAiGetStatus_recomp(uint8_t* rdram, recomp_context* ctx) {
|
|
ctx->r2 = 0x00000000; // Pretend the audio DMAs finish instantly
|
|
}
|