Space Invaders
High resolution machine language implementation of the arcade game. Requires dk’Tronics’s 4K High Resolution Graphics ROM.
Timex/Sinclair 1000
Serial Output Port Kit
Plans and parts to build a serial output port using two integrated circuits. Plans also available separately.
Serial Output Port Kit Read More »
Checking
Lists (25 16K) (100 64K) deposits showing amount and date entered. Lists (80 16K) (500 64K) checks and displays check number, date and payee. Lists by account total of checks written. Keeps running total of checks written and balance left in account. Adds interest and subtracts service charges. Search for a check by number, name,
CIOUTIL
Utility to selectively read and write strings and arrays to a cassette. Routines occupy approximately 500 bytes and require at least 2K RAM.
Software for TTL Serial Output Port
Provides correct RS232 timing and translation to ASCII.
Software for TTL Serial Output Port Read More »
Software for Serial Input
Provides RS232 input timing and ASCII to Sinclair character translation.
Software for Serial Input Read More »
Flexible ribbon connector
Extends ZX bus to prevents RAM pack wobble.
Flexible ribbon connector Read More »
Hunter 8K Nonvolatile CMOS RAM/EPROM
Up to 8K RAM or EPROM; works with 16K RAM packs. Store your own system utilities or build a library of machine language routines. Can be used with any ROM or RAM.
Hunter 8K Nonvolatile CMOS RAM/EPROM Read More »
Inventory
May be used for everything from keeping an accurate inventory for businesses to personal record collection. Holds up to (150 16K) (750 64K) items with comments for each. Comments may be used for serial numbers, dates, prices or location. Lists all items, search for single item, change or delete any item. Sort items in alphabetical