Eagle auto-save / temporary files ignored by git.
pda.lbr Eagle library with W65C02S (6502)
pda6502.sch schematic; WIP.

Partial TODO list:

* fix 65C22 symbol; VSS/VDD, ...
* fix SRAM symbol / pinout
* check EEPROM symbol / pinout
* decoupling capacitors
* crystal oscillator
* power headers
* glue logic headers
* 24-pin bus header
* CPU headers
* IO headers
* reset button / pull-up.
* power-on-reset circuit?
schematics/README.md