NEO-I0

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Revision as of 21:46, 6 March 2011 by Furrtek (talk | contribs) (moved NEO-IO to NEO-I0)
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MVS specific chip that does a bunch of unrelated things.

  • S ROM address latch for SFIX, same as S ROM portion of NEO-273
  • SM1 /CS output when Z80 is reading from ROM and SM1/SFIX is enabled (SM1CS = SDROM OR SYSTEM)
  • /ROMOE output for PROG board (ROMOE = ROMOEU AND ROMEOU)
  • Video sync output for JAMMA edge
  • Coin counter and coin lockout output