The Good/Bad Old Days

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timkb4cq
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Joined: Wed Jul 12, 2006 4:05 pm

Re: The Good/Bad Old Days

#21 Post by timkb4cq »

Very early in the programs I typed out in that way on my ZX-81 & later on the C=64, were disassembler programs so a) I could see why the other programs weren't running & b) Modify some software to support my printer.
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Jules
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Joined: Mon Dec 24, 2018 9:42 am

Re: The Good/Bad Old Days

#22 Post by Jules »

In the late 70s I worked on a Compupro. Z80 cpu, and 64 k of ram!!! Running CP/M 2.2. Software I used: dBase II, Supercalc, and Wordstar. Those were the days. Still get nightmares about: Bdos Error on A: The "famous" error code.... Did some Mbasic an later on tried Turbo pascal. But then MicroSoft killed CP/M. Bought myselfs a ZX80 later.
at the office they went to PC/MSDos. Took me about 3 years before I had a PC compatible(El Cheapo) at home. Started with Windows 2.03 till Windows 10. Got rid of it somewhere in october last year. So here I am. Good old days.... :-)
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mx-2018
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Joined: Wed Oct 31, 2018 11:42 am

Re: The Good/Bad Old Days

#23 Post by mx-2018 »

I was 16 in the late 80's when I first had the chance to use a PC. They were IBM PC/XT compatibles. PCs had either 512 K or 640 K memory, and hard drives were not common (30 MB were the typical capacities). We did use 720 KB diskettes (floppies). I remember trying to collect all versions of DOS and managed to get copies of versions 2.x, 3.3 (most common), 4.01, 5.x, 6.x. Remember Wordstar 4? How about Lotus 123?

I taught myself to write programs using Turbo Pascal 4. The Turbo Pascal IDE was so easy to use (there's built-in debug/trace/watch) and compiles in a matter of seconds, making learning enjoyable. I concentrated on learning XBASE language, because I thought that was the future (it was until M$ embraced-extended-extinguished it).

I also learned some assembly commands by playing with the DEBUG command in DOS. CDh 20h was the command to terminate a *.COM program. The JMP assembly command is similar to the GOTO command in BASIC. I remember getting myself in trouble, because I messed up a hard drive after playing with the INT 13h command on a production machine.
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Artim
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Joined: Sun Apr 01, 2018 9:04 am

Re: The Good/Bad Old Days

#24 Post by Artim »

Floppy?

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