ZX Prism

This blog aims to follow the development of my FPGA based Spectrum Compatible computer. The ZX Prism should remain compatible with the ZX Spectrum whilst expanding its graphics and memory.

Friday, October 10, 2014

Another small update for September and the beginning of October

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Apologies once more for the lack of updates in the last month or so. Mister Polomint prodded me a week ago to make some kind of post, so her...

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Friday, August 29, 2014

Progress report for August

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Apologies for being quiet for a while - lots of tuning and small changes have been taking place. It's probably easiest to report just wh...

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Saturday, August 9, 2014

Small update

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Just a small update for today as it's been a fairly busy week so I've not had much time to spend working on ZX Prism lately. First...

Sunday, August 3, 2014

ULAplus support

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Spent the weekend tying up some loose ends and working on the user-definable palettes. ULAplus support is pretty much working now (it's ...

Wednesday, July 30, 2014

2 days solid progress

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The PS/2 woes bug me no more! After a LOT (and I mean a LOT) of head-scratching, troubleshooting and trying new sockets, USB keyboard adapte...

Sunday, July 27, 2014

Screen decoding

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As you may have noted from previous posts, ZX Prism goes through a number of different stages to convert values in memory into what's di...

Thursday, July 24, 2014

Getting intense...

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Yesterday I wired up the remaining lines on the video DACs. ZX Prism now has more than 8 colours - in fact it has a total of 4096 colours av...

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