MV-LED: Difference between revisions
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[[File:mv-led2.jpg|thumb|MV-LED2. Picture courtesy of [[http://www.mvs-scans.com MVS-Scans]].]] | |||
Credits display board in original [[MVS systems]]. Uses 2 7-segment displays to show the player's remaining [[credits]]. | Credits display board in original [[MVS systems]]. Uses 2 7-segment displays to show the player's remaining [[credits]]. | ||
Revision as of 17:44, 5 October 2011
Credits display board in original MVS systems. Uses 2 7-segment displays to show the player's remaining credits.
Uses CRE401 RC arrays for inputs.
To copy here: http://mvs.gotwalls.com/images/a/a6/Mv_led2_hardware1_front.jpg, http://mvs.gotwalls.com/images/b/b2/Mv_led2_hardware1_back.jpg
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).
See also MV-ELA for the marquee board details.