MV-LED
Credits display board in original MVS systems. Uses two 7-segment displays to show the player's remaining credits.
Uses CRE401 RC arrays for inputs.
Connections:
- VCC
- VCC
- Clk
- Digit 1 ABCD
- Digit 2 ABCD
- GND
- GND
Digits are BCD-coded and controled by registers REG_LEDLATCHES($380031) and REG_LEDDATA($380041). Clock on rising edge ?
See also MV-ELA for the marquee board details.
Connection to the MVS board visible in [page 5 of the schematics]
