X-Git-Url: http://git.mutantstargoat.com/user/nuclear/?a=blobdiff_plain;f=src%2Fgba%2Fmain.c;fp=src%2Fgba%2Fmain.c;h=068f3d1f8daf10a3e74ed5671303c48a660f767c;hb=097d03fa2406fca819b27b698ffb1cfc8ac445c2;hp=0000000000000000000000000000000000000000;hpb=0ff927162004fe6b5d0022000284a1bdb306960e;p=gbajam22

diff --git a/src/gba/main.c b/src/gba/main.c
new file mode 100644
index 0000000..068f3d1
--- /dev/null
+++ b/src/gba/main.c
@@ -0,0 +1,59 @@
+#include <math.h>
+#include "gbaregs.h"
+#include "intr.h"
+#include "debug.h"
+#include "game.h"
+#include "maxmod.h"
+
+static void vblank(void);
+static void nopfunc(void);
+
+int main(void)
+{
+	int i;
+	volatile uint16_t *cptr;
+
+	intr_init();
+
+	REG_WAITCNT = WAITCNT_PREFETCH | WAITCNT_ROM_2_1;
+
+	cptr = (uint16_t*)CRAM_BG_ADDR;
+	for(i=0; i<256; i++) {
+		int c = i >> 3;
+		*cptr++ = c | ((c >> 1) << 10);
+	}
+
+#ifndef NOSOUND
+	mmInitDefault(sound_data, 8);
+	mmStart(MOD_POPCORN, MM_PLAY_LOOP);
+#endif
+
+	screen_vblank = nopfunc;
+
+	intr_disable();
+	interrupt(INTR_VBLANK, vblank);
+	REG_DISPSTAT |= DISPSTAT_IEN_VBLANK;
+	unmask(INTR_VBLANK);
+
+	intr_enable();
+	gamescr();
+
+	for(;;);
+	return 0;
+}
+
+static void vblank(void)
+{
+	vblperf_count++;
+
+	screen_vblank();
+
+#ifndef NOSOUND
+	mmVBlank();
+	mmFrame();
+#endif
+}
+
+static void nopfunc(void)
+{
+}