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CMOS logic for the bus transceiver appears to have issues with ROM decode.
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## Parts List
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* A 74HCT245 octal bus transceiver (U1)
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* A 74LS245 octal bus transceiver (non-TTL appears to have issues with the ROM address decode logic) (U1)
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* A 28C256 EEPROM (U2)
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* A 1.8432 MHz 5V oscillator (U3)
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* A 22V10 GAL (any speed or variety should work) (U4)
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