Tynemouth Software

Tynemouth Software - Making new things for old computers - Contact Me - Tindie Store

Sunday, 24 August 2025

Minimal ZX81 Compute and Display Code

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Over on my Patreon Discord, we have been looking at several versions of Forth for the ZX81, including Husband Forth and Tree Forth. Those ...
Sunday, 17 August 2025

Playing 60 VIC20 Games in One Hour

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There are lots of things in the VIC20 Penultimate Cartridge. The current release, the +3 DCR has 271 things. Total items (271) Games...
Sunday, 10 August 2025

PET 2001 6540-010 Character ROM Replacement Update

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The PET ROM/RAM board can replace almost all of the ROM and RAM in a Commodore PET. However, it cannot replace the video RAM and the charact...
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