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(Topic ID: 222797)

NEW! Williams System 3-7 In-Game Test ROMs

By pincoder

5 years ago


Topic Heartbeat

Topic Stats

  • 336 posts
  • 48 Pinsiders participating
  • Latest reply 4 months ago by DumbAss
  • Topic is favorited by 75 Pinsiders

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Topic poll

Sort: Original A-Z Score

“Which test ROMs have been the most useful for you?”

  • 01a-leds 2 votes
    13%
  • 01b-bus 0 votes
  • 01c-transceivers 0 votes
  • 02-blanking 0 votes
  • 03-cmos-IC19 4 votes
    25%
  • 04-ram-IC13 3 votes
    19%
  • 04-ram-IC16 3 votes
    19%
  • 05-displays 2 votes
    13%
  • 06-switches 1 vote
    6%
  • 07-bounce 0 votes
  • 08-interrupts 1 vote
    6%
  • 09-lamps 0 votes
  • 10-solenoids 0 votes
  • 11-sounds 0 votes
  • 12-sounds2 0 votes
  • clear_cmos 0 votes
  • edit_cmos 0 votes
  • init_cmos 0 votes

(Multiple choice - 16 votes by 5 Pinsiders)

This poll has been closed.

Topic Gallery

View topic image gallery

1J4.jpg
memory_protect.jpg
wms6.jpg
wms3-4.jpg
WMS-SYS6_R001B (resized).jpg
WMS-SYS6_R002B (resized).jpg
WMS-SYS6_R003B (resized).jpg
IMG_4365 (resized).jpeg
IMG_1542 (resized).JPG
IMG_1543 (resized).JPG
image (resized).jpg
LTSpice sim of BLANKING keep-alive in test ROM (resized).png
02-blanking (resized).png
0C200399-BFEC-4C5C-9381-C10E3CD5EC73 (resized).jpeg
IMG_8222 (resized).JPG
IMG_8221 (resized).JPG

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#72 5 years ago
 
LOS

Theonlylilo

Pinside member

10y 46,900 467 12

Hi! Just simple questions: I have a 27256 rom, I can create the adapter, but I cannot understand how to select the specific test rom via dip switch
Then, I'm trying these amazing software (thanks Pincoder!!! ) on a partially working sys6 board. Test 01-Led is ok, also the test 02-Blanking but with 00-BUS I noticed that pin 9 (address A0) is LOW instead HIGH as it should be.. What can cause this wrong signal?
Thanks

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