ZX Spectrum <strong>Peripheral</strong>s and Accessories The ZX Spectrum's design was primarily driven by price, and at £125, the Spectrum was a lot cheaper than most of its contempories. To keep the price down, the Spectrum had to do without some of the 'luxuries' that were fitted as standard on its competitors. These 'luxuries' included things like ...
... Cheetah 32K RAMpack and the Cheetah SpecDrum. £11.50* - No rear connector21 £12.75* - with connector which allows <strong>peripheral</strong>s to be stacked up21 *includes VAT @ 15% and p&p. COMCONby FREL Ltd Programmable joystick interface by means of six jumper leads. Interface works in parallel to keyboard. Compatible with any add-ons. ...
... The machine also retained the Spectrum's expansion system and could use the large range of Sinclair and third-party <strong>peripheral</strong>s developed for the original computer. There were nevertheless differences between the various Spectrum+ circuit board revisions, and the machine represents an important stage in the development of the ...
... Outputs byte n to port m.Note: Executes the Z80A instruction OUT (c),a. The Atom utilises the 8255 Programmable <strong>Peripheral</strong> Interface Adapter for input and output. Port A is location #B000, Port B is location #B001, and Port C is location #B002. See also: IN. OVER OVER nResult: If n=0 then permanent overprinting is turned off. If ...
... membrane that is very similar to that on the ZX81. This membrane is extremely prone to failure after repeated use, so <strong>peripheral</strong> manufacturers quickly responded to users' needs by producing their own, and in most case more robust keyboards. Many of these 'third party' keyboards included additional features such as extra SHIFT keys, ...
... underflow' error will occur.See also PUSH_, REPEAT, UNTIL_. PRINTER_ PRINTER_mResult : Screen output is diverted to a <strong>peripheral</strong>, such as a printer.This statement is followed by a single numeric expression. If the result of that expression is zero, the output will go to the screen; if the result is other than zero, then a user supplied ...