clear
power on
regs

# Normal condition ------------

memset 009a 55
op a2 28
op b4 72

# Should be: IY=55, IX=28
test iy = 55
test ix = 28

# Zero condition ------------
power on

memset 009a 00
op a2 28
op b4 72

# Should be: IY=0, IX=28, Z=1
test iy = 0
test ix = 28
test z = 1

# Negative condition ------------
power on

memset 009a f2
op a2 28
op b4 72

# Should be: IY=F2, IX=28, S=1
test iy = f2
test ix = 28
test s = 1

save verify_B4.txt