... as for emulating Tank, the first hurdle, you've mentioned above, is already taken:
==>
Tank-ROM KeeGames
Belegung Tank-ROM 74182 2k-Byte
+5V 1 24 CS1(+5V)
A0 2 23 D0
A1 3 22 D1
A2 4 21 D2
A3 5 20 D3
A4 6 19 D4
A5 7 18 D5
A9 8 17 D6
-12V 9 16 D7
A8 10 15 A10
A7 11 14 CS0(+5V) 1. 0V=>5V: AdrIn
A6 12 13 AdrDataLatchClock ==> 2. warte 1µs
3. 5V=>0V: DataOut
Kein GND(0V) - AdrIn und DataOut 4. warte 1µs, zu 1
sind trotzdem TTL-Signale (0V und 5V).
2kROM-Inhalt:
[ Please refrain from making gregf splooge. Thank you ]
(rule#1, roundaboutly)
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Re: Question about discrete for MAME
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