ref: d334a331fabe25c4094c4c7e4cd9e270f51c1a30
dir: /interrupts.asm/
; Game Boy hardware interrupts SECTION "vblank", ROM0 jp VBlank SECTION "lcd", ROM0 jp LCD SECTION "timer", ROM0 jp Timer SECTION "serial", ROM0 jp Serial SECTION "joypad", ROM0 jp JoypadInt