ZX Spectrum 16K and <strong>48K</strong> Introduction 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 compact design with an unusually low launch price. Two versions were ...
... In October 1984, Sinclair Research introduced the ZX Spectrum+, an updated version of the highly successful <strong>48K</strong> ZX Spectrum. The new machine replaced the distinctive rubber-key case with a larger, more conventional design and introduced a substantially improved keyboard, while retaining the Spectrum's established hardware ...
... was the most substantial development of the Spectrum carried out by Sinclair Research. It doubled the memory of the <strong>48K</strong> Spectrum, added a much more capable sound chip, introduced a new version of Sinclair BASIC and provided a number of facilities designed to make practical use of the additional memory. Although the machine retained ...
... The original ZX Spectrum+ 128K improved on the original ZX Spectrum by increasing Random Access Memory (RAM) from <strong>48K</strong> to 128K, this allowed for the use of a RAMdisk or as Sinclair called it a 'silicon disc'. To access the silicon disc an exclamation mark (!) had to be placed immediately after commands such as LOAD, SAVE, MERGE, ...
... light pen' appears to be a light pen and interface. Also includes a measuring wheel and software utility.For the 16K/<strong>48K</strong> 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 ever released. ...
... with rapid fire and full width through port. 1K on-board memory. £34.902(Price includes joystick and tape)17 Cheetah <strong>48K</strong>/128K Single port interface. For <strong>48K</strong> and 128K models. £9.7516 Cheetah Spectrum Joystick Interface Accepts Atari style joystick including Quickshot and Kempston. This interface appears to have a similar style case as ...
... 0/1, RAM 5, RAM 2 and the paged RAM area. Individual RAM-bank selection is not modelled in Version 1. Spectrum Model <strong>48K</strong> 16K 128K Address Format HEX DECIMAL ZX Interface 1 OFF ON Shows the additional Interface 1 system variables and the resulting shift of dynamic RAM areas. The Shadow ROM is switched in only when required. ZX Printer ...
... UDGs or larger graphics made from multiple UDGs, then generate the data needed for Sinclair BASIC. Spectrum Model: <strong>48K</strong> 128K Grid Size: 8 × 8 8 × 16 8 × 24 16 × 8 16 × 16 16 × 24 24 × 8 24 × 16 24 × 24 Clear Invert Flip Horizontal Flip Vertical Mirror Horizontal Mirror Vertical Rotate 90° Clockwise Rotate 90° Anticlockwise ...
... pitch = ((p - 4) / 4) - 12 The BBC channel is assumed to be 1 and the volume is assumed to be 15, as the Standard 16K/<strong>48K</strong> Spectrum cannot directly control either parameter. Dragon 32/64 & TRS-80 CoCo SOUND to ZX Spectrum BEEP The Dragon 32/64 and TRS-80 CoCo use the following SOUND statement: SOUND (m,n) Enter the tone and duration ...
A Comparision of Keywords on the BBC Micro (Models A & B),the Acorn Electron and the ZX Spectrum Overview The following is a list of keywords, operators and delimiters used on the BBC Micro (Models A & B), the Acorn Electron and the ZX Spectrum.The B ...
Comparison of BASIC Keywords Between ZX Spectrum and the Commodore 64 Overview The following is a list of keywords, operators and delimiters used on the Commodore 64 computer and the ZX Spectrum.The Commodore 64 was released in 1982, the same year as ...
... only play one sound channel whereas the ZX Spectrum+ 128k models can play up to three channels at once.Not on the 16k/<strong>48k</strong> ZX Spectrum. Melodies may be acheived using BEEP.See also BEEP, SOUND. PLOT PLOT [c;]m,n (ZX Spectrum)Result: Sets pixel ink at position m,n subject to c (INK/PAPER/OVER/INVERSE) on the ZX Spectrum. For the ...
... DB25 RS232 connector for the serial I/O and a strip cable connector for the parallel I/O. Suitable for both 16K and <strong>48K</strong> ZX Spectrum. £49.951 Currah μSource (micro-Source) ROM cartridge contains an implementation of Forth 79, an assembler, and a debug monitor.Compatible with ZX Interface 1 and Microdrives2. £44.503 References 1. ...
... port. Spectrum Add-on - £19.50*19 Joystick kit - £3.95*19*exclusive of VAT. Petron Trichord 6134 X 3 note chords (<strong>48K</strong> ZX Spectrum), pre-programmed PROM has a range of sound effects accessed with 2 BASIC instructions, ordinary music notation used (A to G), range of more than 8 octaves, key signature applied throughout.Originally ...
... of subjects relating to the Sinclair ZX Spectrum and its extended family. Original ZX Spectrum The original 16K and <strong>48K</strong> systems, including their hardware and programming. Software Software for the original Spectrum computers, with the emphasis on understanding and documenting software rather than reviewing games. Programming ...