ref: 2d644f5077fa9ec43009ea5ec072e6ade9a1f61b
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