audio_hle_main.c

#include <string.h>
#include "audio_hle.h"
#include "usf.h"
#include "memory.h"
// "Mupen64 HLE RSP plugin v0.2 with Azimers code by Hacktarux"


static int audio_ucode_detect ( OSTask_t *task )
{
    if ( (*(uint8_t*) ( N64MEM + task->ucode_data )) != 0x1 )
    {
        if ( (*(uint8_t*) ( N64MEM + task->ucode_data )) == 0xF )
        {
            return 4;
        }
        else
        {
            return 3;
        }
    }
    else
    {
        if ( (*(uint32_t*) (N64MEM + task->ucode_data + 0x30 )) == 0xF0000F00 )
        {
            if ((*(uint32_t*) (N64MEM + task->ucode_data + 0x28 )) == 0x1dc8138c)
            {
                return 5;    //goldeneye
            }
            else
            {
                return 1;
            }

        }
        else
        {
            return 2;
        }
    }
}

extern void ( *ABI1[0x20] ) ();
extern void ( *ABI2[0x20] ) ();
extern void ( *ABI3[0x20] ) ();

void ( *ABI[0x20] ) ();

u32 inst1, inst2;

int audio_ucode ( OSTask_t *task )
{
    unsigned int i;

    goldeneye = 0;

    switch ( audio_ucode_detect ( task ) )
    {
    case 1: // mario ucode
        memcpy ( ABI, ABI1, sizeof ( ABI[0] ) *0x20 );
        //cprintf("Ucode1\n");
        break;
    case 2: // banjo kazooie ucode
        memcpy ( ABI, ABI2, sizeof ( ABI[0] ) *0x20 );
        //cprintf("Ucode2\n");
        break;
    case 3: // zelda ucode
        memcpy ( ABI, ABI3, sizeof ( ABI[0] ) *0x20 );
        //cprintf("Ucode3\n");
        break;
    case 5:
        goldeneye = 1;
        memcpy ( ABI, ABI1, sizeof ( ABI[0] ) *0x20 );
        break;
    default:
        return -1;
    }

    for ( i = 0; i < ( task->data_size/4 ); i += 2 )
    {
        inst1 = (*(uint32_t*) ( N64MEM + task->data_ptr + ( i*4 ) ));
        inst2 = (*(uint32_t*) ( N64MEM + task->data_ptr + ( ( i+1 ) *4 ) ));
        //printf("%x\t%x\n",inst1 >> 24,inst1);
        ABI[inst1 >> 24]();
    }

    return 0;
}