On Wed, 22 Jun 2016 14:08:55 +0200 Irrwahn <irrw...@freenet.de> wrote:
> On Wed, 22 Jun 2016 12:35:22 +0100, Simon Hobson wrote: > > I suspect we've all conversed with people who have approximately > > zero knowledge or interest in how "the greasy bits" of the machine > > ends up running their code. My first computer came with just 1k of > > RAM, and sockets for just 8k total. It's surprising what you can do > > with that ! > > Absolutely! I might be a bit spoiled, though, as the first > machine I could call my own came with a whoppin' 64K, part of which > was actually available for user programs, My first computer was a Heathkit ET6800 Microprocessor Trainer, using an 8 bit Motorola 6800 (note only two zeros) processor and 256 bytes of RAM, with about 40 bytes reserved for the operating system: http://www.troubleshooters.com/lpm/200610/200610.htm#_Computers_Ive_Known_and_Loved Input and programming via hexidecimal, output via six 7 segment LEDs. I soldered an amplifier onto one of the LED segments, programmed the computer to turn that segment on and off at programmed frequencies, and created a "computer guitar". This experience led me to become a programmer. SteveT Steve Litt June 2016 featured book: Troubleshooting: Why Bother? http://www.troubleshooters.com/twb _______________________________________________ Dng mailing list Dng@lists.dyne.org https://mailinglists.dyne.org/cgi-bin/mailman/listinfo/dng