Some steps in bank switching and crtc circuits
by giuliof 2 years 6 months
Some steps in bank switching and crtc circuits

- crtc pixel clock generator
- 2k ram, enabling logic (heavily incomplete)
- other 2k ram, annotation regarding data bus
a0055860
Add PDF export script.
by giomba 2 years 7 months
56d28f7f
Add daughterboard schematics.
by giomba 2 years 7 months
f832a2b0
Embed new sheets and fix symbols.
by giomba 2 years 7 months
c0f47dca
Add GPIO uPD8255 wiring for bank switching.
by giomba 2 years 7 months
bb53ca35
Specialize generic IO sheet to SIO (serial) relate...
by giomba 2 years 7 months
Specialize generic IO sheet to SIO (serial) related.
e736d0ad
Add address wires for SIO.
by giomba 2 years 7 months
28745a0c
Fix grid aligment for SIO symbol.
by giomba 2 years 7 months
f94bc595
README: PCB model from silk screen
by giuliof 2 years 7 months
57ab1cc8
Correction in speaker address annotation
by giuliof 2 years 7 months
31283a72
Report a bug