FCS1.PRG;03 dies with "ENSA" error FCS1.PRG;04 dies with "ENSA" error FCS2.PRG;03 runs but who knows what it does? FCS2.PRG;04 runs but who knows what it does? TIME.MAC is the 8080 souce code for a simple program to display the current hour:min values in the interrupt-driven timer. AD2B.MAC is 8080 source for ascii decimal to binary conversion B2AD.MAC is 8080 source for binary to ascii decimal conversion