mirror of
https://github.com/sehugg/8bitworkshop.git
synced 2024-10-12 21:23:37 +00:00
cpc: music player
This commit is contained in:
parent
6c0c610514
commit
82ebc47caa
104
presets/cpc/music.c
Normal file
104
presets/cpc/music.c
Normal file
File diff suppressed because one or more lines are too long
6
presets/cpc/music.h
Normal file
6
presets/cpc/music.h
Normal file
@ -0,0 +1,6 @@
|
||||
|
||||
// call to start music
|
||||
void music_start(const unsigned char* music);
|
||||
|
||||
// call once every N frames
|
||||
void music_update();
|
243
presets/cpc/sound_bios.c
Normal file
243
presets/cpc/sound_bios.c
Normal file
@ -0,0 +1,243 @@
|
||||
|
||||
// http://www.cpcmania.com/Docs/Programming/Sound_I.htm
|
||||
|
||||
#pragma disable_warning 85 // unused parameter warning
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
// Sound01.c
|
||||
// Mochilote - www.cpcmania.com
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
#include <stdio.h>
|
||||
|
||||
//Firmware requires it in the central 32K of RAM (0x4000 to 0xC000), move it as you need...
|
||||
#define SOUND_BUFF 0x4FF6 //9 bytes
|
||||
#define ENT_BUFF 0x4FE6 //16 bytes
|
||||
#define ENV_BUFF 0x4FD6 //16 bytes
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
//sound
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
unsigned char bQueue = 0;
|
||||
unsigned char sound(
|
||||
unsigned char nChannelStatus,
|
||||
int nTonePeriod,
|
||||
int nDuration,
|
||||
unsigned char nVolume,
|
||||
char nVolumeEnvelope,
|
||||
char nToneEnvelope,
|
||||
unsigned char nNoisePeriod)
|
||||
{
|
||||
//This function uses 9 bytes of memory for sound buffer. Firmware requires it in the central 32K of RAM (0x4000 to 0xC000)
|
||||
/*
|
||||
The bytes required to define the sound are as follows
|
||||
byte 0 - channel status byte
|
||||
byte 1 - volume envelope to use
|
||||
byte 2 - tone envelope to use
|
||||
bytes 3&4 - tone period
|
||||
byte 5 - noise period
|
||||
byte 6 - start volume
|
||||
bytes 7&8 - duration of the sound, or envelope repeat count
|
||||
*/
|
||||
|
||||
__asm
|
||||
LD HL, #SOUND_BUFF
|
||||
|
||||
LD A, 4 (IX) ;nChannelStatus
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 10 (IX) ;nVolumeEnvelope
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 11 (IX) ;nToneEnvelope
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 5 (IX) ;nTonePeriod
|
||||
LD (HL), A
|
||||
INC HL
|
||||
LD A, 6 (IX) ;nTonePeriod
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 12 (IX) ;nNoisePeriod
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 9 (IX) ;nVolume
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 7 (IX) ;nDuration
|
||||
LD (HL), A
|
||||
INC HL
|
||||
LD A, 8 (IX) ;nDuration
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD HL, #SOUND_BUFF
|
||||
CALL #0xBCAA ;SOUND QUEUE
|
||||
|
||||
LD HL, #_bQueue
|
||||
LD (HL), #0
|
||||
JP NC, _EndSound
|
||||
LD (HL), #1
|
||||
_EndSound:
|
||||
__endasm;
|
||||
|
||||
return bQueue;
|
||||
}
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
//ent
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
void ent(unsigned char nEnvelopeNumber, unsigned char nNumberOfSteps, char nTonePeriodOfStep, unsigned char nTimePerStep)
|
||||
{
|
||||
//This function uses 16 bytes of memory for ent buffer. Firmware requires it in the central 32K of RAM (0x4000 to 0xC000)
|
||||
|
||||
__asm
|
||||
LD HL, #ENT_BUFF
|
||||
|
||||
LD A, #0x1
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 5 (IX) ;nNumberOfSteps
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 6 (IX) ;nTonePeriodOfStep
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 7 (IX) ;nTimePerStep
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 4 (IX) ;nEnvelopeNumber
|
||||
LD HL, #ENT_BUFF
|
||||
CALL #0xBCBF ;SOUND TONE ENVELOPE
|
||||
__endasm;
|
||||
}
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
//env
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
void env(unsigned char nEnvelopeNumber, unsigned char nNumberOfSteps, char nSizeOfStep, unsigned char nTimePerStep)
|
||||
{
|
||||
//This function uses 16 bytes of memory for env buffer. Firmware requires it in the central 32K of RAM (0x4000 to 0xC000)
|
||||
|
||||
__asm
|
||||
LD HL, #ENV_BUFF
|
||||
|
||||
LD A, #0x1
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 5 (IX) ;nNumberOfSteps
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 6 (IX) ;nSizeOfStep
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 7 (IX) ;nTimePerStep
|
||||
LD (HL), A
|
||||
INC HL
|
||||
|
||||
LD A, 4 (IX) ;nEnvelopeNumber
|
||||
LD HL, #ENV_BUFF
|
||||
CALL #0xBCBC ;SOUND AMPL ENVELOPE
|
||||
__endasm;
|
||||
}
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
//soundcheck
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
unsigned char nSoundCheck = 0;
|
||||
unsigned char soundcheck(unsigned char nChannelStatus)
|
||||
{
|
||||
__asm
|
||||
LD A, 4 (IX) ;nChannelStatus
|
||||
CALL #0xBCAD; SOUND CHECK
|
||||
LD HL, #_nSoundCheck
|
||||
LD (HL), A
|
||||
__endasm;
|
||||
|
||||
return (nSoundCheck & 0x80);
|
||||
}
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
|
||||
#ifdef __MAIN__
|
||||
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
//main
|
||||
////////////////////////////////////////////////////////////////////////
|
||||
main()
|
||||
{
|
||||
int aSounds[12] = { 478, 451, 426, 402, 379, 358, 338, 319, 301, 284, 268, 253 };
|
||||
int n = 0;
|
||||
|
||||
printf("1\n\r");
|
||||
|
||||
for(n=0; n < 12; n++)
|
||||
{
|
||||
while(!sound(1, aSounds[n], 20, 15, 0, 0, 0));
|
||||
}
|
||||
|
||||
while(soundcheck(1));
|
||||
printf("2\n\r");
|
||||
|
||||
ent(1, 20, -11, 1);
|
||||
sound(1, 200, 20, 15, 0, 1, 0);
|
||||
|
||||
while(soundcheck(1));
|
||||
printf("3\n\r");
|
||||
|
||||
ent(1, 20, -11, 1);
|
||||
sound(1, 428, 10, 15, 0, 1, 0);
|
||||
|
||||
while(soundcheck(1));
|
||||
printf("4\n\r");
|
||||
|
||||
env(1, 25, 15, 5);
|
||||
ent(1, 25, 120, 6);
|
||||
sound(1, 428, 25, 15, 1, 1, 14);
|
||||
|
||||
while(soundcheck(1));
|
||||
printf("5\n\r");
|
||||
|
||||
sound(1, 200, 20, 15, 0, 0, 0);
|
||||
|
||||
while(soundcheck(1));
|
||||
printf("6\n\r");
|
||||
|
||||
env(1, 10, 1, 100);
|
||||
sound(1, 284, 1000, 1, 1, 0, 0);
|
||||
|
||||
while(soundcheck(1));
|
||||
printf("7\n\r");
|
||||
|
||||
ent(1, 100, 2, 2);
|
||||
sound(1,284,200,15,0,1,0);
|
||||
|
||||
while(soundcheck(1));
|
||||
printf("8\n\r");
|
||||
|
||||
ent(1, 100, -2, 2);
|
||||
sound(1, 284, 200, 15, 0, 1, 0);
|
||||
|
||||
while(soundcheck(1));
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
#endif
|
23
presets/cpc/sound_bios.h
Normal file
23
presets/cpc/sound_bios.h
Normal file
@ -0,0 +1,23 @@
|
||||
|
||||
unsigned char sound(
|
||||
unsigned char nChannelStatus,
|
||||
int nTonePeriod,
|
||||
int nDuration,
|
||||
unsigned char nVolume,
|
||||
char nVolumeEnvelope,
|
||||
char nToneEnvelope,
|
||||
unsigned char nNoisePeriod);
|
||||
|
||||
void ent(
|
||||
unsigned char nEnvelopeNumber,
|
||||
unsigned char nNumberOfSteps,
|
||||
char nTonePeriodOfStep,
|
||||
unsigned char nTimePerStep);
|
||||
|
||||
void env(
|
||||
unsigned char nEnvelopeNumber,
|
||||
unsigned char nNumberOfSteps,
|
||||
char nSizeOfStep,
|
||||
unsigned char nTimePerStep);
|
||||
|
||||
unsigned char soundcheck(unsigned char nChannelStatus);
|
@ -11,6 +11,7 @@ const CPC_PRESETS = [
|
||||
{id:'easy_sprites.c', name:'Keyboard + Sprites (C)'},
|
||||
{id:'medium_scrolling.c', name:'Scrolling Text (C)'},
|
||||
{id:'siegegame.c', name:'Siege Game (C)'},
|
||||
{id:'music.c', name:'Music Player (C)'},
|
||||
//{id:'sprite_demo.c', name:'Sprite Demo (C)'},
|
||||
//{id:'keyboard_redefine.c', name:'Keyboard Redefine (C)'},
|
||||
];
|
||||
|
Loading…
Reference in New Issue
Block a user