R-Type (M72)

PCB

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PLD's

PLD Information					Credits		Download	View
Dump Method	Target Device	Location	ID	Status	Creator(s)	Tester(s)	Files	Pictures
Bruteforced	GAL16V8	4D	M72_A-4D	Tested	Unknown	Zabanitu	ZIP

Game Specific

PLD Information					Credits		Download	Pictures
Dump Method	Target Device	Location	ID	Status	Creator(s)	Tester(s)	Files	View
Bruteforced	GAL16V8	3A	M72-R-3A	Tested	Corrado Tomaselli	Corrado Tomaselli	ZIP

Reference

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  Schematics

Notes

SELF TEST ERROR CODES
1 - Work RAM (byte check)
2 - Work RAM (word check)
3 - VRAM A (word check)
4 - VRAM B (word check)
5 - Sound L (byte check) $0000 - $7FFFF
6 - Sound H (byte check) $8000 - $FFFFF

Credits

• Pictures taken from http://arcade.ym2149.com/pcb/irem.html