The Data Expansion v5 n3

Date: March 1988
Volume: 5
Issue: 3
See all issues of The Data Expansion

Articles

Title Description Computers
Amstrad Getting Stronger When I picked up the MARCH 1988 issue of the COMPUTER SHOPPER from my mailbox, what did I see on the cover but the new AMSTRAD PC 1640 snd a banner proclaiming “SIR CLIVE RETURNS WITH NEW LAPTOP”. Of course, the first thing I read was the review of the Amstrad 1640. Reviewer Rich Fields
Ask Chuck Chuck Dawson answers questions about MS Basic.
Benchmark 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. Timex/Sinclair 1000, Timex/Sinclair 2068
CATXRF Rev 1.2 Features of Rev. 1.23
Conversation - Mail Bag I read the “new” ASK CHUCK column for this month. I was curious about the DEL.EXE or ERA.EXE which is similar to my DEL..COM and ERA. I, too can call up only certain files on the directory if I ask for those. Then I can erase them all at one time, or one at a
Directory Track Reader The following program was written on an old model Zebra Disk Drive. Owners of the-newer FDD 3000 may wish to run this program and report on the results. I don’t know whether there are any software differences between the two models. The disk drive controller formats the 3 inch disk into 40 tracks, numbered 0 Timex/Sinclair 2068
Further Realizations about CP/M During this month I have, upon occasion, found myself coming across some problems and not being able to figure them out. But, little by little, I am using my computer and learning a bit more about using the CP/M disk system. I had asked Charles Stelding and Chuck Dawson about how you go adding the Timex/Sinclair 2068
JRT Pascal - Finally, a Program When writing in Pascal, you should use what is called the. *top-down” design method using modular building blacks. The top-down method is building your programs in modules using levels of work. Timex/Sinclair 2068
Mailbag - Editor's Mail I received some interesting things in the mailbag this week. I have been on the Kaypro board keeping in contact with our old friend Charles Stelding and Ed Grey. I had asked Charles if the AERCO system would really READ a Morrow MD3 format as it is advertised to do. It is nice to have
MBasic Tips Here are two hints and two routines which you might find useful.
Meeting Notes: Fort Worth We had a very small turnout, possibly because this was the first time in a while that the weather was so nice. Ellis Saunders was unable to make the meeting because of a prior commitment. Others have just been lax. in attendance. Chuck Dawson started us on the discussion section of the meeting anyway. Fred
More from the Editor's Mailbag These were inadvertently left out from the original MAILBAG. I think they needed to be added in. I, again, am attempting to show many people how busy and informative the FWKUG MBBS & PSDE really is. When you have this type of a BBS in your area, I highly suggest that you patronize on a Timex/Sinclair 2068
Notes from the Editor I have become aware in the last few months of the demise of the Timex computers. I know that it truly took place about three years ago, but it seems to have risen again. I also know that I have commented about this before, but bear with me as I comment on it again. We
QL VAL String Function A long time ago I saw a note by Mike de Sosa on the lack of the VAL string function on the QL. At the time Į didn’t have one, but with the recent price cuts I’ve added a QL to my “home for orphan computers”. Although I ordered one with software and QL User Sinclair QL
RP/M Utilities - RPMPIP Continued Timex/Sinclair 2068
The Z280 Chip CP/M is dead; long live CP/M. Just as the funeral peroration for CP/M was fading in our ears, there came a small jubilant horn toot out ot the south-west and west (Dallas and Los Altos) reporting sightings of unusual news from Winnipeg about products from Redding and Campbell (Californias, you all!). To wit: Zilog, Inc.,
TS/1000 VERIFY 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 Timex/Sinclair 1000
ZX81/TS 1000 Tips 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 Timex/Sinclair 1000
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