QZX v10 n11

Date: October 1992
Volume: 10
Issue: 11
See all issues of QZX

Articles

Title Description Computers
Editor's Notes In the unclassifieds there has been offered a FREE 16 K RAM for some time. Anybody want it? I am getting tired of printing that ad. The “Hacker” is back. Some of you will remember the Hacker as one of the better newsletters published by Timex-Sinclair clubs. It expanded its coverage to include MS-DOS machines
Pseudo-ROM The dot patterns for the displayable characters are held in a table in ROM, in locations 1E00 to 1FFF hex. The patterns are stored in order of the character CODE, 8 bytes being used for each character, corresponding to the 8 TV scan lines used to build up each character on the TV screen. The Timex/Sinclair 1000
ZX81 Graphics Template The next page is a handy graphics template for the ZX81, TS1000, and TS1500. It will be useful when you are designing QSL cards where you want to get your call in large letters or even when you want to print a circuit diagram containing symbols for resistors and capacitors. In fact some reader might Timex/Sinclair 1000
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