const
SCR_WIDTH* = 64
SCR_HEIGHT* = 32
FB_SIZE* = SCR_WIDTH * SCR_HEIGHT
MEM_SIZE* = 0xFFF
FONT_SIZE* = 80
ROM_OFFSET* = 0x200
PIXEL_ON* = 0xFF3A3C2A'u32
PIXEL_OFF* = 0xFFA5B083'u32
NOT_READING* = 0xFF