Machine Language Programming: Debugging – Butterfield, Jim

Compute!'s Gazette Issue 63, Volume 6, No. 9, September 1988, p. 46

Debugging with breakpoints using a machine-language monitor (MLM). Includes source code.

Machine Language Programming: All About Numbers – Butterfield, Jim

Compute!'s Gazette Issue 64, Volume 6, No. 10, October 1988, p. 40

Converting the ASCII representation of a number to binary. Includes source code.

Machine Language Programming: Kernal Keys – Butterfield, Jim

Compute!'s Gazette Issue 65, Volume 6, No. 11, November 1988, p. 76

Working with the Kernal routines GETIN ($FFE4) and INPUT ($FFCF). Includes source code.

Machine Language Programming: Dressing Up GETIN – Butterfield, Jim

Compute!'s Gazette Issue 66, Volume 6, No. 12, December 1988, p. 60

A simple machine language program using the Kernal routine GETIN ($FFCF) that ... y. Includes source code.