IC1	74LS688		Address decoder. Default I/O address: 0x18.
IC2	74LS245
IC3	74LS245
IC4	74LS138
IC5	74LS245
IC6	AM2910ADC	Microsequencer
IC7	2716		2K ROM
IC8	6116		2K RAM
IC9	2716		2K ROM
IC10	74LS74		Dual D-tpe latch
IC11	74LS157		Quad 2-to-1 multiplexer
IC12	74LS74		Dual D-tpe latch
IC13	74LS374		8-bit latch, edge-triggered
IC14	74LS163		Synchronous 4-bit counter with asynchronous clear and load inputs
IC15	74S02		
IC16	74LS169		Synchronous 4-bit up/down binary counter with active-low outputs
IC17	74LS32
IC18	74LS166		8-bit shift register

TR1	2N2369A
TR2			TR2-7 are analogue video circuitry
TR3	
TR4	
TR5	
TR6	
TR7	

XL1	8 MHz