clear
power on
regs
# Base test --------------------
memset beef 72
op a9 55
op 4d efbe
# Should be: ACC=27
test acc = 27
# Negative test --------------------
power on
memset beef aa
op a9 55
op 4d efbe
# Should be: ACC=FF, S=1
test acc = ff
test s = 1
# Zero test ----------------
power on
memset beef 55
op a9 55
op 4d efbe
# Should be: ACC=0, Z=1
test acc = 0
test z = 1
save verify_4D.txt