ZX Spectrum 48/48+ PS2 keyboard adapter, based on https://www.avray.ru/zx-spectrum-ps2-keyboard/
Technical details:
- NoWait version
- Additional buttons F11,F12
- Reset - PrScr
- CapsShift - Shift (works really as on PC!)
- SymbolShift - Ctrl
- NumLock changes cursor keys and space to Sinclair Joystik 2
DISCLAIMER:
- orginal keyboard may not work when PENGUIN connected
- VERTICAL ps2 connector is much stronger then horizontal one and helps avoiding power plug conficlt , so please do not ask why ps2 socket has such an orientation
WORK MODES:
- orginal interface uses !RDFE signal ( RD, A0, IORQ from Z80 CPU ) - jumper (0R resisotr) in deafult position (right)
- You can move jumper to left, to use IOULA and Z80`s RD signal - picture.
- my tests show, that some ZXs prefer second work mode..some work in both, others in first :-)
1st revision ;-)
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