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Using C to Program the Commodore 64 SID Chip
Using C to Program the Commodore 64 SID Chip including an exploration of the problems with BASIC
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Trying Out the Ringo R-470, a Brazilian ZX-81 Clone
An overview of the Ringo R-470 Brazilian Z-81 Clone
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The Unique Jupiter ACE Experience: Programming Forth on a ZX-81 Like System
What’s the Jupiter ACE? The Jupiter ACE was an early 1980s home computer that had similarities to the Sinclair ZX-81, especially in the bottom input entry in the keyboard layout (By the way, symbol shift can be shift to right-shift in EightyOne emulator or is otherwise the right CTRL key… also note that the double…