LISTing Newsletter June – July 1993
Date: June - July 1993
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Articles
| Title | Description | Computers |
|---|---|---|
| 64 Characters and a Clear Screen | Use this program in conjunction with your users manual. This is the way you begin to work with 64 characters on the screen. You need to shuffle everything around inside the computer’s RAM memory and that is exactly what this routine does. Follow the prompts in the REM statements and you should not have any | Timex/Sinclair 2068, Type-in program |
| A Header Program for ZX81 & TS1000 | When I got my TS-2068 I thought one of the marvellous things about it was a Header program by which one could get the name of a program displayed on-screen a few seconds after it started loading. If only the ZX-81 had that feature it would be marvellous, I thought. Where have I been all | Timex/Sinclair 1000, Type-in program |
| Anagram | This program will make GOOD and BAD Anagrams of words you Input. It will fit in 1K. | Timex/Sinclair 1000, Type-in program |
| Binary Character Peeker | This program will print out the Binary Representation (and equal Decimal number) of Eight Consecutive Addresses, a GOOD use for this is to see how characters are held in the ROM, for example Input Address “8000” to see how the letter “С” is formed (as seen by the Decimal 1’s). | Timex/Sinclair 1000, Type-in program |
| Curve Program | Timex/Sinclair 1000, Type-in program | |
| Graph 16K | Here is a program to draw a bar graph When it runs, you must enter 20 numbers, greater than 0 but less than 40. My goal in writing the program was to keep it as short as possible, thus it doesn’t offer fancy borders, variable range for numbers etc. The program illustrates a plotting technique | Timex/Sinclair 1000, Type-in program |
| Graph-Graph | Input an equation containing – X or y or both and the computer will print a graph. | Timex/Sinclair 1000, Type-in program |
| Hex-Loading Program | This is a BIN/DEC/HEX conversion program. | Timex/Sinclair 1000, Type-in program |
| Message Board | This program was developed when, a few years ago, I lost my voice for a rather extended period. This “board” literally became my voice for many weeks. | Timex/Sinclair 2068, Type-in program |
| Mosaic Curtain | Are you tired of BLANK screens at the end of your programs? This Little routine at the end of your program will give you a very PLEASANT and ATTRACTIVE SCREEN. | Timex/Sinclair 2068, Type-in program |
| Pattern | This program will produce different patterns on your Screen. Type it in I think you’ll like it. | Timex/Sinclair 1000, Type-in program |
| Renumbering Routine | Attach these lines to the end of a basic program. Enter GOTO 9991 in the immediate mode and the computer will renumber any basic program counting in intervals of 5. If you wish to change the numbering interval, change the value of N and the 5 in line 9995. Remember to change GOTOs and GOSUBs | Timex/Sinclair 1000, Type-in program |
| Secret Writing Machine | This program was converted from Microsoft BASIC. It turns your computer into a secret writing machine, using a simple and ancient cryptographic technique known as the Caeser cipher. For example, with a key of 3, the message: THE APPLES ARE RIPE becomes the encoded message: WKH DSSOHV DUH ULSH. | Timex/Sinclair 1000, Type-in program |
| Try This | This program will allow you to use SMART II software with the AERCO interface and an Epson printer, Gemini printer, and Gorilla Banana printer. | Timex/Sinclair 2068, Type-in program |
| ZX81 Fast-Type | This short program enables ZX-81 users to clear the screen when full during entry of long programs thus preventing the whole screen from being rewritten each time a new line is entered. | Timex/Sinclair 1000, Type-in program |