A challenging chess program, written in machine language, designed to operate in the ZX81 fast mode. ZX Chess allows you to select from 6 levels of play, choose either black or white, and enables castling and en-passant moves. Unique self-running feature: you start the tape and when the chess board appears on the screen, start
Grades responses to generated sets of addition and subtraction problems (without negative numbers) and comments on the accuracy of the player. Variable lengths of numbers up to 5 digits included. The kit discusses the easy expansion or modification to other arithmatic operations such as multiplication, division, squares, cubes, etc. 1K.
When given names, actions, and places (or other phrases) by the user, it builds amazingly funny random sentences. This is a kid (or adult) party game inviting participation and reactions of a group. The Parrot can say what you don’t want to and will surprise you with its “original” ideas. Comes with an initial set
AY-3-8910 sound generator based sound synthesizer. Three voices, 5 octave range. Sinclair Place imported a version manufactured by Indescomp.
The perfect complement to ZXAS assembler, ZXDB is a complete combined machine code disassembler and debugging program. May be used in conjunction with your own program. Additional features include Single Step, Block, Search, Transfer and Fill, Hex Loader, Register Display and more. Executed by single keyboard entry. The combination of ZXAS/ZXDB plus one of our
Few who enter ever return. Can you outwit the demons and sorcerers who haunt the dreaded Nightmare Park? Confronted by all sorts of ‘happenings’, you’ll be taken to your wits end. 16K.
Faithful reproduction of the arcade game. Supports QS SOUND Board. Moving planetary surface. Up to 84 fast moving characters on screen at once. Ten missiles at once. 16K.
Learn and program in machine code the easy way with this powerful Z80 assembler, commissioned specially for the ZX80 & ZX81. Standard Z80 mnemonics are simply written into REM statements within your BASIC program. The assembly listings, together with addresses and assembled codes are displayed on the screen when assembled. The assembled code is executed
