Compusa Corporation

Gives feedback for keyboard by causing each key press (except shift alone) to produce a distinctive beep. Inserts between the keyboard and computer.

Video upgrade based on the Texas Instruments TMS9918A video display processor (VDP) designed by Daniel Roy. An article about the design, So You Wished You Had Bought a TS2000, by Roy was published in Sync v3 n4. Compusa announced it as “coming soon” in their ad in Sync v3 n6, two issues before the magazine

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

Floppy disk controller with disk operating system in EPROM. The controller plugs into the edge connector of the computer, drawing power from the computer and has cables for interface with two floppy disk units. The controller works with standard Shugart disk drives—single and double density, single and double sided. User interface with the control is

Actually the Macronics F.I.Z. DOS is in EPROM. Compatible with RAM packs. DOS commands include: INITIALIZE, DSAVE, DLOAD, NEWD, DIRECTORY, STAT, READ, WRITE, KILL, CREATE. Loads 8K program in 10 secs; saves 8K file in 20 secs, with verify.

Eliminate the frustration of tape loading. LED indicators show high volume or low/noisy tape. Earphone plug lets you monitor tape while loading. Reset switch. Save/Load switch allows both to be connected.