The Bankswitch cartridge implements the three most common schemes named F8, F6 and F4. The working of the bankswitches is depicted on the table below. Address -Address Lines-- Bankswitch/Bank selected 1 11 8K 16K 32K 2 1098 7654 3210 F8 F6 F4 $1FF0 0001...
Ok, now it is kind of proven that binary CPLD (or FPGA) may implement ternary logic, but how we can integrate it with "true" ternary components, especially when CPLD is 3.3V and TRIMUXes are -5V and +5V? Answer is DG403 chips may do the job: Because...