kopia lustrzana https://github.com/Jean-MarcHarvengt/MCUME
138 wiersze
3.7 KiB
C
138 wiersze
3.7 KiB
C
#ifndef DCASTAWAY_SOUND_H
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#define DCASTAWAY_SOUND_H
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#include "dcastaway.h"
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#ifndef NO_SOUND
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#include<stdio.h>
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#include<stdlib.h>
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#include<string.h>
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#ifndef TRUE
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#define TRUE 1
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#endif
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#ifndef FALSE
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#define FALSE 0
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#endif
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#define MUSIC_VOLUME 64
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#ifdef DINGOO
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#define SOUND_FREQ 16000
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#else
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#define SOUND_FREQ 22050 //22050 //11025 //22050
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#endif
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#define SOUND_BUFFER_SIZE 1024
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void Sound_Reset(void);
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void Sound_ClearMixBuffer(void);
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void Audio_EnableAudio(bool bEnable);
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enum
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{
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FREQ_11Khz,
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FREQ_22Khz,
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FREQ_44Khz
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};
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#define MIXBUFFER_SIZE 8192
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#define SCREEN_START_CYCLE 96 /* Cycle first normal pixel appears on */
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#define SCANLINES_PER_FRAME 313 /* Number of scan lines per frame */
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#define CYCLES_PER_LINE 512 /* Cycles per horiztonal line scan */
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#define CYCLES_VBL_IN (SCREEN_START_HBL*CYCLES_PER_LINE) /* ((28+64)*CYCLES_PER_LINE) */
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#define CYCLES_PER_FRAME (SCANLINES_PER_FRAME*CYCLES_PER_LINE) /* Cycles per VBL @ 50fps = 160256 */
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#define CYCLES_PER_SEC (CYCLES_PER_FRAME*50) /* Cycles per second */
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#define CYCLES_ENDLINE (64+320+88+40) /* DE(Display Enable) */
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#define CYCLES_HBL (CYCLES_PER_LINE+96) /* Cycles for first HBL - very inaccurate on ST */
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#define CYCLES_DEBUGGER 3000 /* Check debugger every 'x' cycles */
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enum {
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PSG_REG_CHANNEL_A_FINE, // 0x0000
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PSG_REG_CHANNEL_A_COARSE, // 0x0001
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PSG_REG_CHANNEL_B_FINE, // 0x0010
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PSG_REG_CHANNEL_B_COARSE, // 0x0011
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PSG_REG_CHANNEL_C_FINE, // 0x0100
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PSG_REG_CHANNEL_C_COARSE, // 0x0101
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PSG_REG_NOISE_GENERATOR, // 0x0110
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PSG_REG_MIXER_CONTROL, // 0x0111
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PSG_REG_CHANNEL_A_AMP, // 0x1000
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PSG_REG_CHANNEL_B_AMP, // 0x1001
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PSG_REG_CHANNEL_C_AMP, // 0x1010
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PSG_REG_ENV_FINE, // 0x1011
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PSG_REG_ENV_COARSE, // 0x1100
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PSG_REG_ENV_SHAPE, // 0x1101
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PSG_REG_IO_PORTA, // 0x1110
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PSG_REG_IO_PORTB // 0x1111
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};
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#define NUM_PSG_SOUND_REGISTERS 14 // Number of register, not including IO ports
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extern bool bSoundWorking; /* Is sound OK */
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extern volatile bool bPlayingBuffer; /* Is playing buffer? */
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extern int OutputAudioFreqIndex; /* Playback rate (11Khz,22Khz or 44Khz) */
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extern int SoundBufferSize; /* Size of sound buffer */
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extern int CompleteSndBufIdx; /* Replay-index into MixBuffer */
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extern int SoundPlayBackFrequencies[];
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extern bool bWriteEnvelopeFreq,bWriteChannelAAmp,bWriteChannelBAmp,bWriteChannelCAmp;
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extern bool bEnvelopeFreqFlag;
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extern char MixBuffer[MIXBUFFER_SIZE];
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extern int SoundCycles;
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extern int nGeneratedSamples;
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static __inline__ int Misc_LimitInt(int Value, int MinRange, int MaxRange)
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{
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if (Value<MinRange)
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Value = MinRange;
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else if (Value>MaxRange)
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Value = MaxRange;
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return(Value);
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}
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#define Memory_Clear(A,B) (memset(A,0,B))
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#define Audio_Lock()
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#define Audio_Unlock()
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void Sound_UpdateFromCallBack16(short *pBuffer, int len);
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void Sound_Update_VBL(void);
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void Sound_UpdateFromAudioCallBack(void);
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void Sound_Init(void);
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void Sound_Update(void);
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void audio_init(void);
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void audio_stop(void);
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void audio_init_music(void);
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void audio_play_wait(void);
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void audio_play_click(void);
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void audio_play_file(void);
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void audio_play_main(void);
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void audio_play_error(void);
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void audio_play_goodbye(void);
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void audio_play_save(void);
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#else
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/* NO SOUND */
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#define Sound_Update_VBL()
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#define Sound_Update()
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#define audio_init_music()
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#define audio_play_wait()
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#define audio_play_click()
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#define audio_play_file()
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#define audio_play_main()
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#define audio_play_error()
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#define audio_play_goodbye()
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#define audio_play_save()
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#define audio_init()
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#define audio_stop()
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#endif
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#endif
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