1 files changed, 48 insertions(+), 2 deletions(-)

M src/main.c

@@ 1,11 1,14 @@
 #include "pd_api.h"
 #include "uxn.h"
+#include "devices/apu.h"
 #include "devices/ppu.h"
 
+#define POLYPHONY 4
 #define BOOT_ROM_FILENAME "boot.rom"
 
 static PlaydateAPI *pd = NULL;
-
+static SoundSource *apu_sources[POLYPHONY];
+static Apu apu[POLYPHONY];
 Uxn u;
 Ppu ppu;
 


@@ 102,6 105,27 @@ screen_deo(Uint8 *d, Uint8 port)
 	}
 }
 
+void
+audio_deo(Uint8 *d, Uint8 port){
+	/* TODO
+	Apu *c = &apu[d - devaudio0];
+	if(!w) {
+		if(b0 == 0x2) {
+			d->dat[0x2] = 0x0;
+			poke16(d->dat, 0x2, c->i); }
+		else if(b0 == 0x4)
+			d->dat[0x4] = apu_get_vu(c);
+	} else if(b0 == 0xf) {
+		c->len = PEEK16(d->dat, 0xa);
+		c->addr = PEEK16(d->dat, 0xc);
+		c->volume[0] = d->dat[0xe] >> 4;
+		c->volume[1] = d->dat[0xe] & 0xf;
+		c->repeat = !(d->dat[0xf] & 0x80);
+		apu_start(c, PEEK16(d->dat, 0x8), d->dat[0xf] & 0x7f);
+	}
+	*/
+}
+
 static Uint8
 emu_dei(Uxn *u, Uint8 addr)
 {


@@ 121,6 145,7 @@ emu_deo(Uxn *u, Uint8 addr, Uint8 v)
 	switch(d) {
 	case 0x10: console_deo(&u->dev[d], p); break;
 	case 0x20: screen_deo(&u->dev[d], p); break;
+	case 0x30: audio_deo(&u->dev[d], p); break;
 	}
 }
 


@@ 137,6 162,24 @@ emu_start(Uxn *u, char *filename)
 	return 1;
 }
 
+static int
+audio_callback(void *context, int16_t *left, int16_t *right, int len)
+{
+	return apu_render((Apu *)context, u.ram, left, right, len);
+}
+
+static int
+apu_init(void)
+{
+	int i;
+	SoundChannel *ch = pd->sound->getDefaultChannel();
+	for(i = 0; i < POLYPHONY; ++i) 
+		apu_sources[i] = pd->sound->channel->addCallbackSource(ch, audio_callback, &apu[i], 1);
+	pd->sound->channel->setVolume(ch, 1.0);
+	pd->sound->channel->setPan(ch, 0.0);
+	return 1;
+}
+
 /* Lua */
 
 static int


@@ 224,8 267,11 @@ eventHandler(PlaydateAPI *playdate, PDSystemEvent event, uint32_t arg)
 		pd->display->setScale(1);
 		pd->graphics->clear(kColorBlack);
 		memset(&ppu, 0, sizeof(ppu));
+		memset(&apu, 0, sizeof(apu));
+		if(!apu_init())
+			return emu_error("APU", "Start failed.");
 		if(!ppu_init(&ppu, (uint32_t *)pd->graphics->getFrame()))
-			return emu_error("Screen", "Start failed.");
+			return emu_error("PPU", "Start failed.");
 		if(!emu_start(&u, BOOT_ROM_FILENAME))
 			return emu_error("Emulator", "Start failed.");
 	} else if(event == kEventInitLua) {