#Program to calculate the checksum on the I960's System Address Table
#(C) TechnicallyObsolete 2025
SAT   = 0x00000000
PRCB  = 0x00001000
IP    = 0x00002000

mem = [
  SAT,
  PRCB,
  0,
  IP,
  0,
  0,
  0xFFFFFFFF
]

checksum = 0xFFFFFFFF
for i in range(7):
  checksum = (checksum + mem[i]) & 0xFFFFFFFF

checksum = 0xFFFFFFFE - checksum

print("Checksum word = 0x%08X" %(checksum))