#:: Memory Checkerboad Test (502)
#:: This test writes a pattern and it's complement to memory.
#:: We run the low test, as the high test deposits in 0000,
#:: which is a no-no on the PDP-5.
set cpu pdp5
echof -n "** PDP-5: Memory Checkerboard Test (1): "
load -r diags/maindec-802-pm2
#expect -r [25] "1" echof; echof "** PDP-5: MAINDEC-502 passed."
d sr 0100
br 0022
reset
go 0001
e ac
if (PC == 0071) echof "MAINDEC-502 failed."; exit 1
if (AC == 0074) echof "MAINDEC-502 failed."; exit 1
if (PC == 0022) echof "MAINDEC-502 passed."
#echof "MAINDEC-502 passed."
nobr