Programming in BASIC and Machine Language
Programming in BASIC and Machine Language Read More »
Practical programs to show ability of ZX-81.
Programming the ZX-81 for Real Applications Read More »
With automatic scaling and labeling.
General Purpose Plotting Routine Read More »
Utilities for the COMPUSA floppy disk system for the TS 1000. Read/write to/from any memory address Read/write multiple track data files Read fractional tracks Automatic disk-to-disk copy Recover deleted tracks List directory of physical tracks
COMPUSA Disk Utilities Read More »
Carrying cases custom molded for TIMEX Corporation. They resemble small attache cases, approximately 13 1/2″ x 10″ x 3 1/2″, have a black leather-like texture, distinctive Timex/Sinclair logo, and feature small fold—away carrying handles. Each case has seven individual compartments for the following items: Only 2,000 were produced.
TS 1050 Carrying Case Read More »
Eight LEDs indicate which bank of memory the Z80 is accessing. Uses only one IC. Can be useful in debugging hardware projects and machine code programs that cause the computer to crash by indicating where the CPU is after the crash. Supplied as bare PC board and schematic.
Memory Access Monitor Read More »
Board is capable of mapping either of its 2764 EPROMs anywhere in the 64K map in 8K blocks. Board is intended to be used as a “cartridge” for storing Sinclair programs on EPROM. It can be used to store machine code tools in the 8-16K block.
2764 * 2 EPROM Reader Read More »
This project was detailed completely in Syntax Quarterly, issues 1 & 2. Port is memory mapped at location FFFFh and is completely decoded. Project includes schematic, theory of operation sheeta and machine code listing comments of a copy routine for use with the Okidata ML80 and ML82A printers. Circuit and software can be adapted to
Parallel Printer Port Read More »
64K DRAM board for the TS1000, TS1500 or ZX81. Special features of this memory include: 8-12K on/off switch 12-16K on/off switch two banks of 8K ram available mapped 8-16K (Bank A/B switch) and 48-64K on/off switch
Terminal program supplied with TS 2050 modem. Side A is for the TS1000/TS1500 and Side B is for the TS2068.