Tricks of the Trade
Methods of preserving copyright on programs. Most involve POKEs to hide the first line.
Tricks of the Trade Read More »
Timex/Sinclair 1000
Bits and Bytes
Resetting the joystick port on the TS 2068 with a SOUND command. Machine language routine for TS 1000 to clear just the bottom of the screen. Programming hints for the 1000 and QL.
The T/S 1000 on Packet
Discusses converting the TS 2050 modem to an RS-242 port for use with ZTX80 terminal program (from Fred Nachbaur) to do packet radio.
The T/S 1000 on Packet Read More »
Multiplication Accuracy With The ZX 81
Program to multiply two integers of any practical length with absolute accuracy.
Multiplication Accuracy With The ZX 81 Read More »
A Modem for the Timex 1000 or ZX-81
Review of Byte-Back modem.
A Modem for the Timex 1000 or ZX-81 Read More »
VDAQ1
Votem Data Acquisition – Hi-Res. Written VOTEM, a simple voltage-to-frequency converter, designed for single-channel analog data acquisition. Allows multi-screen acquisition, variable scale and timebase. Without the VOTEM, it was useful for frequency measurement, via the tape input jack. 16K.
HIGH*RES Mandlebrot-FFP
Program to implement the Mandelbrot Set using SRAM HI-RES Extended BASIC. 16K.
HIGH*RES Mandlebrot-FFP Read More »
Year at a Glance
Year-at-a-Glance calculates any year between 1800-2099, showing the whole year on a single screen. Press “M” to give the month legends, “D” for day-of-the-week. Move the cursor around the calendar to highlight any date, then press ENTER: you’re shown your appointments or other significant events for that date. Move the cursor to a non-date field,
Macro-Life
Adapted by Gregory C. Harder from the Spectrum program by Toni Baker. High resolution version of Conway’s Game of Life. Programmed in SRAM HI*RES Extended BASIC. 16K.
High-Res Blackjack
Blackjack program written in SRAM HI-RES Extended BASIC. The game logic was adapted from a similar game Fred had written earlier for the first “TRS-80 Pocket Computer.”
High-Res Blackjack Read More »