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/TatungEinsteinDiagnosticFirmware

Diagnostic ROM for the Tatung Einstein TC-01
  1. Assembly 99.6%
  2. Shell 0.4%
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README.md

TatungEinsteinDiagnosticFirmware

Diagnostic ROM for the Tatung Einstein TC-01

Burn this firmware (rom.bin) on a 2764 EPROM and place it in the free slot next to the original firmware.

Currently it tests for:

  • 64K dynamic RAMs (8x4164)
  • PSG (AY-3-8910) and connected keyboard
  • VDP (TMS9129) and VRAM
  • FDC (FD1770)
  • CTC (timer)
  • PCI (8251 USART)
  • PIO (parallel IO)

Example of all tests passed:

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Example of PSG (Sound Generator and Keyboard controller) not passed:

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