I’ll start out the software part of the reviews with a package you may have seen the ad for and been a little leery of: a software-only high-resolution program for the ZX81 that sounds too good to be true. After all, how could it possibly do the same thing as those $100 add-ons that turn
Paul Hunter of 1630 Forest Hills Dr., Okemos, Mi, 48864, with whom I’ve had the pleasure to converse, is a very congenial chap (English accent and all). He has designed an unique add-on board (written up in various magazines), in particular, the Nonvolatile RAM Board, Based on the 2K 6116-P3 chip (low power CMOS) and
Stalking the Lost RAM Read More »
This comes as a sequel to last issues not-a-review on this program, It became apparent to me that I was not the only person that had to reread the Hot Z manual in order to absorb the necessary information. When I got my original version 1.3, about 2 years ago, I was confounded by all
Oh Really? How Hot is It? Read More »
You may have heard of HOT Z and its decendent, HOT Z-II, and wondered why you haven’t seen any reviews on it. I’ve noticed that other publications are promising reviews “in the next issue,” so I gather others are having the same problem we are; HOT Z is a very difficult program to do justice
Boy, This Z is HOT! Read More »
Report Generator BoardENER-Z CompanyPO Box 635Port Washington, PA 19034 FEATURES: Real-time clock, A/D, I/O Ports, parallel printer interfacePRICE: US$ 89.95 A&T, $59.95 kit If you could buy only one peripheral which would let your ZX/TS communicate with the real world, Ener-Z’s Report Generator just might be it. The board’s features include a real-time clock, analog
Memotext Memotech Corp.99 Cabot StreetNeedham, MA 02194 This word-processor from MEMOTECH is a tough thing to review, as it would take more space than I’ve got left to cover all its features. Sim ply Stated, it is a marvellous piece of work. You could compare Memotext (M/T) against commercial word processors for fancier machines costing
Products on Parade Read More »
Did you ever want to clear just the bottom portion of the screen during a BASIC program? Perhaps you have a title across the top line or two and would like for it to remain during the entire program. This little six byte machine code routine will allow just that. That’s right SIX BYTES! Actually
Partial CLS for the ZX81 Read More »
To determine the address of ‘UPLOAD’, PEEK 16511 + 256 x PEEK 16512 + 4 using a direct command. Then add this number to 16514. The result will be the required address. In my example there are no extra bytes in 1 REM. Therefore the PEEK would give 86. 16514 + 86 = 16600.
Here is a little function, which may be placed at the beginning or within a machine code program, to stop the program until the tape player starts inputting data. Where XXXX represents the address. This is a routine to set RAMTOP and then install your machine code above it. As an example, let’s say that
In the days of David AhI’s Creative Computing, they occasionally published a test of computation speed and accuracy. The algorithm is repeated here in Sinclair Basic. Timex/Sinclair computers are not speed demons, but they are not bad as number crunchers.
With only 8K of ROM in the TS/1000 it’s little wonder that it hasn’t a verify command. This little program will take care of that omission. This routine is based on the LOAD routine in ROM. The change is when a byte is read off the tape. Instead of putting the byte into the appropriate
