REG1	ua7805C
IC1	SN74LS04
IC2	SN75159
IC3	SN74LS163
IC4	SN74LS93

X1	8MHz crystal

A (4x)	47nF ceramic
C8	470µF 25V electrolytic

R1	390 ohm (or wi br go)
R2	390 ohm (or wi br go)	
R3	
R4	
R5	
R6	
R7	0 (shorted)

D1	
D2	
D3	
D4	
D5	1N4002
D6	1N4002
D7	1N4002
D8	1N4002
D9	1N4002
D10	1N4002
D11	1N4002