Speed benchmark program adapted from BYTE, January 1983 issue, page 283, listing 5. It is a program for generating prime numbers based on the Sieve of Eratosthenes. Since it is designed to run in compiled languages, the program runs ten times, giving humans a chance to time its speed on faster systems.
How Fast is Fast? How Slow is Slow? A Benchmark Program for the TS1000 Read More »
Response to review of XFORTH in the newsletter.
Letter from Gary Smith Read More »
Delphic Enterprises offers programmer’s utility EPROM, for use with Hunter board. Savage Software, Biocal Software, and Kopak have special deals.
New Product News & Old Product Offers Read More »
Product announcement. Includes WordFont examples.
This is Word Sinc II.5 Read More »
Review of the Hunter 8K ROM board.
8K ROM Board for the TS 1000 Read More »
Bob Orrfelt’s book on the TS-1000 brings back an occasion when I submitted a somewhat hastily put together paper in a college English course, and got it back with a fairly good grade, but with a notation from the professor, ‘‘This is so good I wish it were better.’ He explained that this was his
QUESTION: How many ‘ports’ do we have? What are ports used for? ANSWER: A port is a window to the outside world, just like on a ship. In the Timex-Sinclair line of computers, we have a total of 256 possible serial ports. This is because the machine code instructions used to access ports require a
Although written for the ZX81, this program should work as printed on the Spectrum/2068. As most dabblers in electronics know, the value of a resistor is given by a set of colors printed on its side. This short program will decode the full four bands almost instantly. А very useful utility to have for building
Here is something that puzzles me. I understand most of the terms in machine code, but what does SET do? When would we use it? Each location in memory can hold a number from 0 to 255. When we PEEK a location, the computer gives us the number stored in that location. What is really
