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echo: classic_computer
to: DAMON A. GETSMAN
from: BOB KLAHN
date: 2012-12-15 20:45:38
subject: Atari 8-bit hardware

DAG>> I've been toying with the idea of putting together an
 Atari 8-bit syste again for some time now.  I remember on the
 last system I had, a 130XE, tha
 ...
 >>anybody knows.  Also wondering how easy it might be to set up
 hardware on o to enable an ethernet link, or if any software
 might've been developed for that might allow something like SLIP
 or PPP over a serial or parallel
 ...
 >>connection.  If I'm going to use money on antiquated hardware
 I might as we make sure that it's going to be somewhat useful in
 this day and age for me.

 >> God the nostalgia for the system that I first learned
 computing and cod on.  :) What did you guys start out with?

 First system an RCA 1802 Cosmac Super Elf. Programed in HEX.

 Went to a TRS-80 Model 1, with 4K rom and 4K ram. Eventually ran
 it up to 48K ram W/expansion interface, hard disk, RS-232 and
 modem. Oh, and doubled the clock speed with my own design. Added
 the lower case mod also.

 Rewrote the ROM IO routines in machine language to emulate much
 of the TRS-80 Mod IV, and also to speed it up a bit. Some
 inefficient code cleaned up. Learned the machine language
 programming after I learned basic, as below.

 It came with the best computer programming book ever written,
 IMO.

 Learned machine language programming on the Altair and Imsai,
 also assembly language, at the U of Toledo, using a cross
 compiler.

 Too dang tired to learn another system. I just program in batch
 language and QBasic or Quick Basic now.


BOB KLAHN bob.klahn{at}sev.org   http://home.toltbbs.com/bobklahn

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