clear
power on
regs

op a9 55

# ACC should now show $55
test acc = 55

op a9 00

# ACC should be 0 and Z should be 1
test acc = 0
test z = 1

op a9 f2

# ACC should be f2 and S should be 1
test acc = f2
test s = 1

regs

save verify_A9.txt
