ZX Spectrum Interface 1bis Ver 4c, Rev 2.11
6,65 €
Interface 1bis PCB. The ‘Interface 1bis’ is designed to connect directly to the expansion port of original Sinclair or Amstrad ZX Spectrum computers or a Sinclair Interface 1. Unlike most ZX Spectrum add-ons, the IF1bis does not perform hardware trapping and can function even if the host machine's CPU has afaulty /M1 line.
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