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camthesaxman
139 lines
2.7 KiB
C
139 lines
2.7 KiB
C
#include <string.h>
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#include <dolphin.h>
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#include "../dsp/__dsp.h"
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#define SOME_BUFFER (void *)0x81000000
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u8 DSPInitCode[] =
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{
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0x02, 0x9F, 0x00, 0x10,
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0x02, 0x9F, 0x00, 0x35,
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0x02, 0x9F, 0x00, 0x36,
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0x02, 0x9F, 0x00, 0x37,
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0x02, 0x9F, 0x00, 0x38,
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0x02, 0x9F, 0x00, 0x39,
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0x02, 0x9F, 0x00, 0x3A,
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0x02, 0x9F, 0x00, 0x3B,
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0x12, 0x06, 0x12, 0x03,
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0x12, 0x04, 0x12, 0x05,
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0x8E, 0x00, 0x00, 0x92,
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0x00, 0xFF, 0x00, 0x80,
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0x80, 0x00, 0x00, 0x88,
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0xFF, 0xFF, 0x00, 0x84,
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0x10, 0x00, 0x00, 0x64,
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0x00, 0x20, 0x02, 0x18,
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0x00, 0x00, 0x00, 0x80,
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0x10, 0x00, 0x00, 0x88,
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0xFF, 0xFF, 0x00, 0x84,
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0x08, 0x00, 0x00, 0x64,
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0x00, 0x2A, 0x19, 0x1E,
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0x00, 0x00, 0x26, 0xFC,
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0x02, 0xA0, 0x80, 0x00,
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0x02, 0x9C, 0x00, 0x2B,
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0x16, 0xFC, 0x00, 0x54,
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0x16, 0xFD, 0x43, 0x48,
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0x00, 0x21, 0x02, 0xFF,
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0x02, 0xFF, 0x02, 0xFF,
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0x02, 0xFF, 0x02, 0xFF,
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0x02, 0xFF, 0x02, 0xFF,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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};
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void __OSInitAudioSystem(void)
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{
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u8 dummy[8];
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u32 r28;
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u16 r3;
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memcpy(SOME_BUFFER, DSPInitCode, 128);
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DCFlushRange(SOME_BUFFER, 128);
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__DSPRegs[9] = 0x43;
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__DSPRegs[5] = 0x8AC;
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__DSPRegs[5] |= 1;
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while (__DSPRegs[5] & 1)
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;
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__DSPRegs[0] = 0;
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while (((__DSPRegs[2] << 16) | __DSPRegs[3]) & 0x80000000)
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;
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*(u32 *)&__DSPRegs[16] = 0x1000000;
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*(u32 *)&__DSPRegs[18] = 0;
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*(u32 *)&__DSPRegs[20] = 0x20;
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r3 = __DSPRegs[5];
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while (!(r3 & 0x20))
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r3 = __DSPRegs[5];
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__DSPRegs[5] = r3;
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r28 = OSGetTick();
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while ((s32)(OSGetTick() - r28) < 2194)
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;
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*(u32 *)&__DSPRegs[16] = 0x1000000;
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*(u32 *)&__DSPRegs[18] = 0;
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*(u32 *)&__DSPRegs[20] = 0x20;
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r3 = __DSPRegs[5];
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while (!(r3 & 0x20))
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r3 = __DSPRegs[5];
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__DSPRegs[5] = r3;
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__DSPRegs[5] &= ~0x800;
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while ((__DSPRegs[5]) & 0x400)
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;
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__DSPRegs[5] &= ~4;
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r3 = __DSPRegs[2];
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while (!(r3 & 0x8000))
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r3 = __DSPRegs[2];
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(void)__DSPRegs[3];
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r3 != 42069;
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__DSPRegs[5] |= 4;
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__DSPRegs[5] = 0x8AC;
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__DSPRegs[5] |= 1;
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while (__DSPRegs[5] & 1)
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;
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}
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void __OSStopAudioSystem(void)
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{
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u32 r28;
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__DSPRegs[5] = 0x804;
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r28 = __DSPRegs[27];
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__DSPRegs[27] = r28 & ~0x8000;
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r28 = __DSPRegs[5];
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while (r28 & 0x400)
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r28 = __DSPRegs[5];
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r28 = __DSPRegs[5];
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while (r28 & 0x200)
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r28 = __DSPRegs[5];
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__DSPRegs[5] = 0x8AC;
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__DSPRegs[0] = 0;
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while (((__DSPRegs[2] << 16) | __DSPRegs[3]) & 0x80000000)
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;
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r28 = OSGetTick();
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while ((s32)(OSGetTick() - r28) < 44)
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;
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__DSPRegs[5] |= 1;
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r28 = __DSPRegs[5];
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while (r28 & 1)
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r28 = __DSPRegs[5];
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}
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