Checkmate by Midway?

Etched in copper on top of pcb		MIDWAY MFG CO
					FRANKLIN PARK ILL
					80-900E


Handwritten sticker on top of pcb	CHECKMATE
handwritten in pen on top of pcb	23, 930
					1-11-77

.a	D3604L-6	stamped red	8
.b	D3604L-6	stamped red	7
.c	D3604L-6	stamped red	6
.d	D3604L-6	stamped red	5
.e	D3604L-6	stamped red	4
.f	D3604L-6	stamped red	3
.g	D3604L-6	stamped red	2
.h	D3604L-6	stamped red	1

Read as a 2716 using this adapter...

2716			3604
A7	VCC		A7	VCC
A6	A8		A6	A8
A5	A9		A5	VCC
A4	VPP		A4	/CS1 to /OE of 2716
A3	/OE		A3	/CS2 to /OE of 2716
A2	A10		A2	CS3 to VCC
A1	/CE		A1	CS4 to VCC
A0	D7		A0	D7
D0	D6		D0	D6
D1	D5		D1	D5
D2	D4		D2	D4
GND	D3		GND	D3

All data lines pulled up through a 1K resistor

Mame .289
Identifying c:\mikes_old\roms\cmate\roms....
cmate.a              NO MATCH
cmate.b              NO MATCH
cmate.c              NO MATCH
cmate.d              NO MATCH
cmate.e              NO MATCH
cmate.f              NO MATCH
cmate.g              NO MATCH
cmate.h              NO MATCH