NEO-F0



MVS specific chip.

Handles the UPD4990 calendar access, dipswitches, cab switches (test, service...), coin counters, LED marquee outputs and slot selection signals for multi-slot boards.

=Pinout=

OpenOffice Draw file:

MV1F:
 * A4~A7: 68k address bus
 * D0~D7: 68k data bus
 * 4990: uPD4990 RTC interface
 * DATA0~DATA7: LED marquee latch data
 * SLOT*: /CS for multislot boards ?
 * DIP00~DIP07: Dipswitch inputs
 * IN3: Output IN300~IN302 to D0~D2 and CALDIF/CALDOUT to D6/D7 (read $320001)
 * DIPRD: Output to D0~D7 depending on state of A7 (from
 * A7 is low: output DIP00~DIP07 (read $300001)
 * A7 is high: output IN01 to D7 (test switch) and TYPE? to D6 (read $300081)
 * BITW0: writes to $3800x1 region...(fill in)
 * SLOTA~SLOTC: slot selection?
 * SLOT0~SLOT5: decoded slot selection? (SLOT0 mislabelled as SLOTD in pic)
 * IN00: Ground
 * IN01: Test switch
 * IN300: P1 Coin switch
 * IN301: P2 Coin switch
 * IN302: Service switch
 * IN303/IN304: VCC