waits for ly 150
enables lyc
sets lyc to 152
interrupt enable

on int
jumps to 0x1000
sets lyc to 0
does a bunch of nops
reads STAT
outputs value of STAT in hex

DMG-08 / CGB:
lycint152_lyc0flag_1.gb should output C1
lycint152_lyc0flag_2.gb should output C5
lycint152_lyc0flag_3.gb should output C4
lycint152_lyc0flag_4.gb should output C0

CGB:
lycint152_lyc0flag_ds_1.gb should output C1
lycint152_lyc0flag_ds_2.gb should output C5
lycint152_lyc0flag_ds_3.gb should output C4
lycint152_lyc0flag_ds_4.gb should output C2