Initial commit of isometric Game Boy adventure prototype

main.c

@@ -0,0 +1,19 @@
+#include <gb/gb.h>
+#include "engine.h"
+
+void main(void) {
+    engine_init();
+    
+    SHOW_BKG;
+    SHOW_SPRITES;
+    DISPLAY_ON;
+    
+    uint8_t prev_keys = 0;
+    
+    while (1) {
+        wait_vbl_done();
+        uint8_t keys = joypad();
+        engine_update(keys, prev_keys);
+        prev_keys = keys;
+    }
+}