clear
power on
regs

op a2 55

# IX should now be set to 55
test ix = 55

op e8

# IX should now be set to 56
test ix = 56

# Wrap and Zero case --------------
power on

op a2 ff

# IX should now be set to ff
test ix = ff

op e8

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

# Negative case --------------------
power on

op a2 ef

# Clear S with ACC
op a9 01

# Should be: IX=EF, S=0
test ix = ef
test s = 0

op e8

# Should be: IX=F0, S=1
test ix = F0
test s = 1

save verify_E8.txt