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Implemented Audio*/vector which runs when notes finish playing

This commit is contained in:
Andrew Alderwick 2021-08-20 22:45:39 +01:00
parent ad4ff82138
commit 87157258b8
3 changed files with 15 additions and 2 deletions
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3
src/devices/apu.c
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@ -49,7 +49,7 @@ apu_render(Apu *c, Sint16 *sample, Sint16 *end)
if(c->i >= c->len) {
if(!c->repeat) {
c->advance = 0;
return 1;
break;
}
c->i %= c->len;
}
@ -57,6 +57,7 @@ apu_render(Apu *c, Sint16 *sample, Sint16 *end)
*sample++ += s * c->volume[0] / 0x180;
*sample++ += s * c->volume[1] / 0x180;
}
if(!c->advance) apu_finished_handler(c);
return 1;
}

1
src/devices/apu.h
View File

@ -26,3 +26,4 @@ typedef struct {
int apu_render(Apu *c, Sint16 *sample, Sint16 *end);
void apu_start(Apu *c, Uint16 adsr, Uint8 pitch);
Uint8 apu_get_vu(Apu *c);
void apu_finished_handler(Apu *c);

13
src/uxnemu.c
View File

@ -32,7 +32,7 @@ static SDL_Rect gRect;
static Ppu ppu;
static Apu apu[POLYPHONY];
static Device *devsystem, *devscreen, *devmouse, *devctrl, *devaudio0, *devconsole;
static Uint32 stdin_event;
static Uint32 stdin_event, audio0_event;
static Uint8 zoom = 1, reqdraw = 0;
@ -410,6 +410,14 @@ nil_talk(Device *d, Uint8 b0, Uint8 w)
#pragma mark - Generics
void
apu_finished_handler(Apu *c)
{
SDL_Event event;
event.type = audio0_event + (c - apu);
SDL_PushEvent(&event);
}
static int
stdin_handler(void *p)
{
@ -474,6 +482,8 @@ run(Uxn *u)
if(event.type == stdin_event) {
devconsole->dat[0x2] = event.cbutton.button;
uxn_eval(u, mempeek16(devconsole->dat, 0));
} else if(event.type >= audio0_event && event.type < audio0_event + POLYPHONY) {
uxn_eval(u, mempeek16((devaudio0 + (event.type - audio0_event))->dat, 0));
}
}
}
@ -504,6 +514,7 @@ main(int argc, char **argv)
Uxn u;
stdin_event = SDL_RegisterEvents(1);
audio0_event = SDL_RegisterEvents(POLYPHONY);
SDL_CreateThread(stdin_handler, "stdin", NULL);
if(argc < 2)