Repairing a Disciple disk interface: using GAL's instead of PAL's
This week I did some work on a Disciple disk interface which I got from Ruud Baltissen on the last retro computer fair in Maarssen.
It caused a ZX Spectrum not to boot, with garbage on screen etc.
I immediately suspected a PAL chip to be the problem.
I know from the
- Repairing a Disciple disk interface: using GAL's instead of PAL's