A Comparision of Keywords on the ZX81 and ZX Spectrum Overview The following is a list of keywords, operators and delimiters used on the ZX81 and ZX Spectrum. These two micros share a common base of keywords so I have listed them together w ......
... pe statements The following list provides detailed explanations on cassette tape statement found on the ZX80, ZX81 and ZX Spectrum. The ZX80 as only two statements, SAVE & LOAD which respectively save or load a complete program and its vari ......
... , the Spectrum's 'dead flesh' rubber keyboard hides beneath it a membrane that is very similar to that on the ZX81. This membrane is extremely prone to failure after repeated use, so peripheral manufacturers quickly responded to users' need ......
... ng-point BASIC, so the ZX80 may actually run some programs faster than the ZX Spectrum.On the ZX Spectrum and ZX81 a single keyword entry system is used when entering programs into memory, in other words a keyword like PRINT is entered by p ......
... iers. Digital Joystick Interfaces Features Original Price AGF Programmable Joystick ports and rapid fire with ZX81 through port. Atari joystick compatible. Clip on connections simulate any of the 40 Spectrum keys. Eight way movement. No sof ......
... mple, on the ZX80 this was originally spelled in British-English as RANDOMISE, which shortened to RAND on the ZX81, before becoming RANDOMIZE on the Spectrum. The Sinclair QL returned to the British-English spelling of RANDOMISE. Other diff ......
... the Spectrum Add-on into the MIC socket.Optional joystick kits can be connected to the Spectrum Add-on.Has a ZX81 through port. Spectrum Add-on - £19.50*19 Joystick kit - £3.95*19*exclusive of VAT. Petron Trichord 6134 X 3 note chords (4 ......
... cter set (requires RAM08 and DROM).‡ ‡ The USERFONT module appears to be only have been available for the ZX81 with no evidence that it was ever available for the Spectrum. PERSONA - £45.00*3 RAM08 - £24.50*3 RAM16 - £26.75*3 RAM64 - ......
... nd interface. Also includes a measuring wheel and software utility.For the 16K/48K ZX Spectrum. (Also for the ZX81).Only one advertisment seems to exist for this product (Your Spectrum Issue.1) and there does not appear to be any evidence ......
... dsThe original ZX Spectrum's keyboard was a forty-switch touch-sensitive membrane similar to that used on the ZX81. The forty switches were arranged in a 10 x 4 matrix, and a one-piece rubber keyboard was placed over the top of the membrane ......
... vert", Your Computer, June 1984 p.34 4. "ZX Hardware - Speech", ZX Computing, December/January 1984 p.106 5. "ZX81 AND SPECTRUM SPEECH SYNTHESISERS - advert", ZX Computing, June/July 1983 p.130 6. "Hardware and peripherals", Sinclair User A ......