Home Hardware Peripherals Software Publications Projects 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 ...
... nts 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 variables (wit ...
... trum'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' needs by produ ...
... ASIC, 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 pressing th ...
... ction The ZX Spectrum was launched by Sinclair Research in April 1982, following the success of the ZX81. Designed by Richard Altwasser and developed with Sinclair's emphasis on keeping costs low, it combined colour graphics, sound and a co ...
... he 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 differences ar ...
... tal 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 software requ ...
... rum 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 (48K ZX Spec ...
... ny or almost any keypress which can be made. Features Original Price AGF II 2 joystick ports with a ZX81 through port. Came with 'Video Graffiti' demo program. Main Images AGF Hardware Joystick interface £9.95 1 £19.95 2 +£1 p&p AGF Prog ...
... tware cassette and full instructions. Designed for the ZX Spectrum, it was also compatible with the ZX81, although the ZX81 could not provide the Spectrum's high-resolution colour graphics. The advertisement promoted the device for engineer ...
... 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 - £76.25*3 ...
... etail sales between April 1982 and August 1983. Sinclair said the Spectrum had sold faster than the ZX81 over comparable periods and promised continued support through new peripherals, including the recently launched ZX Interface 1 and Micr ...
... ce. 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 that it was ...
... ojects Vol.11 (Aug/Sep 1984) — p.49 — Referenced by: Velleman Interface System ↵5. Spectrum & ZX81 MUKBUS — Sinclair User No.17 (August 1983) — p.46 — Referenced by: MUKBUS Expansion System ↵ External Links Page Revised: 20/08 ...
... terface 2 Sinclair Research Ltd Two joystick ports, using keys 1–0, and a ROM cartridge slot. The ZX81-style rear edge connector supports the Sinclair ZX Printer only. 1 4 £19.95 1 £19.95 4 References 1. The Spectrum Add-On Guide, Janua ...
... terface shown in the advertisement appears to use an edge connector resembling the type used on the ZX81. Its exact configuration and relationship to the advertised Spectrum version have not been confirmed. £19.95 6 + £1.50 p&p Spectrum D ...
... inal 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. Each key ...
... r 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 Annual, 198 ...