ZX Spectrum Interface 1bis Ver 4c, Rev 2.11 For Sale
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ZX Spectrum Interface 1bis Ver 4c, Rev 2.11
Price: AU $7.05
Interface 1bis PCB
The device is a functional replica of the Sinclair Interface 1, maintaining complete backwards compatibility at BASIC command and hook-code level, yet featuring considerably enhanced capabilities due to its innovative micro-controller-based architecture, solid firmware and time-tested operating system.
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 a faulty /M1 line.
Please message me directly and I will provide the required details for the construction of this project.
