SOFT5 generates Output connected to Output Error | Apple II+
baldengineer opened this issue · 1 comments
baldengineer commented
A2C and A2D are NAND gates. Their inputs are tied to GND which forces their outputs HIGH. The Apple II+ schematic uses these unused gates (of A2) to pull-up the SOFT5 signal.
baldengineer commented
Setting ERC to exclude this violation since it was done on purpose.