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A JavaScript simulator to demonstrate the front panel operations of Altair 8800.

Home Page: https://wixette.github.io/8800-simulator/

License: Apache License 2.0

Assembly 0.39% JavaScript 58.20% HTML 39.36% CSS 2.04%
altair-8800 cpu simulator

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8800-simulator's Issues

Kill the bit program does not work as expected

The program itself is a classic game for Altair. https://altairclone.com/downloads/killbits.pdf

Steps to reproduce:

  1. Open https://wixette.github.io/8800-simulator/ in browser
  2. Switch the machine ON
  3. Switch to Debug tab
  4. Input the following hex string:
21 00 00 16 80 01 0E 00 1A 1A 1A 1A 09 D2 08 00 DB FF AA 0F 57 C3 08 00
  1. Switch back to Simulator, click Reset and Run

Expected result: the top 8 address LEDs show a moving light while top address switches invert its state

Observed result: neither top 8 address LEDs nor data LEDs a lit while the program is executed. Switches seem to do nothing.

The program shows the same behavior when input by switches manually as well.

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