Introduction In this second part of our retro game programming series, we'll look at implementing double buffering with page switching. Double buffering is a technique where you draw your game screen into a buffer, and then quickly copy the entire buffer onto the screen to prevent flickering. If the computer

Introduction In today's world of high-resolution graphics and advanced GPUs, it's easy to forget the humble beginnings of computer graphics. One such piece of history is the Iskra Delta Partner, a 40-year-old computer with a Thomson EF9367 Graphical Display Processor (GDP) that can only draw lines. The constraints of this

The Iskra Delta Partner computer supports vector graphics and has the capability to draw green lines on a black background. When porting a game from an 8-bit microcomputer with full colors to the Iskra Delta Partner, you have the option to manually create sprites based on color sprites. Nevertheless, there

Retro computer games are characterized by their vivid visuals, featuring flying spaceships, blinking rocket thrusts, falling meteors, bullets soaring through the air, and explosions happening all around. The elements in these games can move at various speeds, and while the effects are temporary, the gameplay itself remains constant. In this

Hi there! If you're into Z80, finite state machines, or CP/M, you've come to the right place. In this example of a not-so-simple Z80 finite state machine, we're showcasing the implementation of an CP/M path parser. In this demonstration, we'll be parsing a CP/M path that includes

A well-planned design can make your job a whole lot easier. Just take a look at how this case statement in assembly streamlines things, for instance. ld a,(hl) cp #' ' jr z,is_space cp #'_' jr z,is_underscore cp #'$' jr z,is_dollar