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Very WIP PCM sound support

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stevenhowes
2021-05-16 20:04:09 +01:00
parent 3d69e6d38e
commit bcc7a72ae1
10 changed files with 123 additions and 2 deletions
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!TheEsc/c/Mission1
+37 -1
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@@ -1,4 +1,7 @@
#include "Graphics.h"
#include "Sound.h"
#include "swis.h"
#include <kernel.h>
#define PLAYER_Y_START 100
#define PLAYER_X_SPEED 10
@@ -11,6 +14,9 @@
extern sound_composition_save(char *filename);
extern sound_composition_load(char *filename);
extern _kernel_swi_regs inreg;
extern _kernel_swi_regs outreg;
enum sprite_e{player_ship, durno_ship, ship_trgt, durno_ship2, ship2_trgt, player_shipl,player_shipr,explode_start,explode_shp2,explode_shp3,explode_end,photon1,photon2,plasma1,plasma2};
char *sprites[] = {"player_ship","durno_ship","ship_trgt","durno_ship2","ship2_trgt","player_shipl","player_shipr","explode_shp1","explode_shp2","explode_shp3","explode_shp4","photon1","photon2","plasma1","plasma2"};
@@ -140,6 +146,12 @@ void game_spawn_projectile(int id, int Px, int Py, int Vx, int Vy, enum sprite_e
Projectiles[id].nextframe = tick + 10;
Projectiles[id].damage = damage;
Projectiles[id].collidable = 1;
// Play it
inreg.r[0] = 4;
inreg.r[1] = -15;
inreg.r[2] = 1;
inreg.r[3] = 1;
_kernel_swi (Sound_Control, &inreg, &outreg);
}
}
@@ -785,7 +797,31 @@ void game_setup_audio()
sound_set_voice(1,"WaveSynth-Beep");
sound_set_voice(2,"Percussion-Noise");
sound_set_voice(3,"Percussion-Soft");
sound_set_voice(4,"Percussion-Noise");
sound_set_voice(4,"DataVox-Voice");
sound_pcm_loadsample("sounds.torpedo");
inreg.r[0] = 4;
inreg.r[1] = (int) audiobuffer;
inreg.r[2] = (int) audiobuffer + 20000;
_kernel_swi (DataVox_SetMemory, &inreg, &outreg);
// Unsigned 8-bit PCM
inreg.r[0] = 4;
inreg.r[1] = 1;
_kernel_swi (DataVox_Type, &inreg, &outreg);
// Not timed
inreg.r[0] = 4;
inreg.r[1] = 0;
_kernel_swi (DataVox_Timed, &inreg, &outreg);
// Bitrate
inreg.r[0] = 4;
inreg.r[1] = 4000; // I was expecting this to be 125 to 8KHz but.... No idea
_kernel_swi (DataVox_Pitch, &inreg, &outreg);
}
void game_draw_hud()