Of String$ and Things
String usage on the TS1000/1500.
Of String$ and Things Read More »
Timex/Sinclair 1500
Catch A Dragon!
Program to plot “dragon curves.” A dragon curve is a regular fractal which forms from an infinitely repeated construction process.
Adventures in the RAM Jungle and Other Mysteries [Conclusion]
Conclusion to the series about understanding RAM allocation on the TS 1000 and 1500 computers.
Adventures in the RAM Jungle and Other Mysteries [Conclusion] Read More »
Applied Sinclair: Subroutines for the Mathematically-Minded
This publication is, in a word, “impressive”. To complement his powerful cadre of subroutines, which are capable of handling some rather formidable problems from applied math, Booth has also included some very elegant plotting routines, which, used in conjunction with the numerical programs through a (simply written) main program will actually plot the solution for
Applied Sinclair: Subroutines for the Mathematically-Minded Read More »
Try These
Short programs that demonstrate graphics and audio features of the TS1000/1500/ZX81 and TS2068.
More BIT/S
This program is a game I call ‘SECRET NUMBER.’ The computer holds a secret number whose value is anywhere between 0 and 50. You have to guess that number by using messages as cross references. As you enter a guess (input a number) the computer gives you a clue as to the general area of
Forum
Screen interference with Zebra Disk System; 2040 paper feed problems; translating to other languages; balance of articles; UV lamp warning; Spectrum +2 announcement; TS1500s in music lab at community college; microdrive info wanted.
Celestial Computing: Astronomical Software 1, Planet Finder
AS1 provides functions frequently found only on more expensive software for more expensive computers. Combined into two compact “Time Options” and “Coordinate Options” menus, we see many selections that were treated as separate programs in Eric Burgess’ ‘Celestial Basic.’ Planet Finder is a collection of astronomical images and information. It’s a cleverly designed, graphically interesting
Celestial Computing: Astronomical Software 1, Planet Finder Read More »
Q&A
Problems with quality of 2068 display; TS1500 high res video; Aerco/Royal printer compatibility; curing interference on 2068 saves; more on spikes; print message notes; Canada customs.
TS1500 Fix
A bug in the LOAD command that puts the stack pointer at the address where the bad load occurred. The listings (done with Hot Z) show the original ROM and the fix for an EPROM.