#AND GR1, 0
#
#LOAD GR0, *0xFE
#AND GR0, 0xF
#STORE GR0, *0xFF
#ADD GR1, *0xFF
#
#LOAD GR0, *0xFE
#LSR GR0, *4
#AND GR0, 0xF
#STORE GR0, *0xFF
#ADD GR1, *0xFF
#
#LOAD GR0, *0xFE
#LSR GR0, *8
#AND GR0, 0xF
#STORE GR0, *0xFF
#ADD GR1, *0xFF
#
#LOAD GR0, *0xFE
#LSR GR0, *12
#AND GR0, 0xF
#STORE GR0, *0xFF
#ADD GR1, *0xFF
#
#STORE GR1, *0xFF
#
LOAD GR0, *0x00
LOAD GR1, *0x00

CMP GR0, GR1
BEQ @TEST

LOAD GR0, *0xFF

TEST:
HALT