Uploaded April 2022 | Updated September 2026, 2 weeks ago

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twitter.com/thetechnoshed

The second revision of my Atari ST accelerator is here and it's time to build it up prior to its open source release on GitHub (github.com/dh219/DSTB)

Many thanks to Exxos for supplying the CPLD. Visit his webstore (exxoshost.co.uk/atari/store2/) and discuss DSTB1 at his forums (exxoshost.co.uk/forum/index.php).


Previous version of this card: youtu.be/PlojawkgNAM
Programming the CPLD: youtube.com/watch?v=MPWsPKPZxIc&t=15m10s

0:00 Introduction
5:10 CPLD
6:05 Buffers
8:00 Bent pints on the RAM!
9:30 SDRAM
12:17 Oscillator & LED
14:00 Oscillator voltage selection
16:28 Regulator & passives
21:42 Inspection
24:50 Pin and socket headers
32:38 Testing
35:50 Explaining the current blitter limitation