WhyCan Forum(哇酷开发者社区)

/* Transfer the contents of work frame on the screen */
void InfoNES_LoadFrame()
{

    unsigned int x,y;
    
#ifdef DISP_USE_ARGB_32
    unsigned int *src,*dst;
    src = (unsigned int *)WorkFrame;
#else
    unsigned short *src,*dst;
    src = (unsigned short *)WorkFrame;
#endif
    for(x=0;x<NES_DISP_HEIGHT;x++)
    {
        for(y=0;y<NES_DISP_WIDTH;y++)
        {
            FrameBuffer[x*480+y+160] = *src;
			src++;
        }
    }
    // for(x=0;x<NES_DISP_HEIGHT;x++)
    // {
    //     dst = FrameBuffer + (NES_DISP_HEIGHT-1-x);
    //     for(y=0;y<NES_DISP_WIDTH;y++)
    //     {
    //         *dst = *src;
    //         dst += 480;
    //         src++;
    //     }
    // }
}


/* Get a joypad state */
void InfoNES_PadState( DWORD *pdwPad1, DWORD *pdwPad2, DWORD *pdwSystem )
{
	//add key ctrl in here...
}


/* memcpy */
void *InfoNES_MemoryCopy( void *dest, const void *src, int count )
{
    return memcpy(dest,src,count);
}


/* memset */
void *InfoNES_MemorySet( void *dest, int c, int count )
{
    return memset(dest,c,count);
}


/* Print debug message */
void InfoNES_DebugPrint( char *pszMsg )
{
}


/* Wait */
void InfoNES_Wait()
{
}


/* Sound Initialize */
void InfoNES_SoundInit( void )
{
	
}


/* Sound Open */
int InfoNES_SoundOpen( int samples_per_sync, int sample_rate )
{
	f1c100s_audio_config(1,16,sample_rate);
	f1c100s_audio_open(samples_per_sync*2);
    return 0;
}


/* Sound Close */
void InfoNES_SoundClose( void )
{
}

WORD final_wave[367*5];

/* Sound Output 5 Waves - 2 Pulse, 1 Triangle, 1 Noise, 1 DPCM */
void InfoNES_SoundOutput(int samples, BYTE *wave1, BYTE *wave2, BYTE *wave3, BYTE *wave4, BYTE *wave5)
{
	int i;
	for (i = 0; i < samples; i++) 
	{
		final_wave[i] = (wave1[i]*32 + wave2[i]*32 + wave3[i]*32 + wave4[i]*32 + wave5[i]*32);
	}
	audio_pcm_play(final_wave,samples*2);
}