“Beginning ML - Part 1”, Craig Taylor. Documented and undocumented opcodes
“Simple Hires Line Drawing Package for the C-128 80-Column Screen”, Craig Bruce. Routines to move pixel/draw line, activate graphics/clear screen, restore old character set, desc. of some VDC registers, floating point numbers.
“BFLI - New Graphics Modes 2”, Pasi Ojala. Another FLI spinoff trick.
“Making stable raster routines (C64 and VIC-20)”, Marko Mäkelä How to make raster effects exactly where you want them (and how to mask an NMI too! :)
“A Different Perspective, part III”, by two old bums. Neat-o line drawing enhancement, general polygon routine, general hidden face removal, alternative filling method, and a misplaced and important addendum to the Circle routine in issue 9.
“Second SID Chip Installation”, Mark Dickenson. Add another SID to your setup.
“SOLVING LARGE SYSTEMS OF EQUATIONS ON A C64 WITHOUT MEMORY”, Alan Jones. “Quartersolve” routine.
“The World of IRC - A new life for the C64/128”, Bill Lueck. What every 64 user should know about IRC.
“Swiftlink-232 Application Notes v1.0b”, CMD with source code by Craig Bruce. All about Swiftlink and how to program it.
“Design and implementation of a simple/efficient upload/download protocol”, Craig Bruce. Pretty neat protocol (FX) used by ACE.
“DESIGN AND IMPLEMENTATION OF A 'REAL' OPERATING SYSTEM FOR THE 128: Part II”, Craig Bruce. Further laying the groundwork for a multitasking microkernal OS.