Paper tape two-pass 8080 assembler on an ASR33 teletype - fun (not) Great motivation to find some other way to do that -----Original Message----- From: piclist-bounces@mit.edu [mailto:piclist-bounces@mit.edu] On Behalf Of= DrSkip Sent: Wednesday, April 18, 2018 02:26 To: piclist@mit.edu Subject: Re: [PIC:] ICD4 Anyone build with TI 74181's and make their own CPUs? Static RAM measured i= n k... Creating one's own microcode and "assembly language" from scratch? Been there done that. 1970's... Long live wire-wraping! ;) Wish I never had given away my teletype with paper tape reader! I could route one of the logs (Linux) to it (one without much activity of c= ourse) and have it clank and tap away randomly throughout the day and have = a 1970 moment! On 04/17/2018 07:34 PM, RussellMc wrote: > On 16 April 2018 at 04:28, sd211 wrote: > > >> Pentiums are kind of a new thing, not sure it will stick though. I=20 >> remember the time when '386 was a leap forward! >> In the "good old days" (tm), we had a 'Turbo' button on the computer,=20 >> so you can run the CPU at 1.5 - 2x speed. I think it was in PC XT=20 >> and PC AT computers, but my memory bank might be failing... >> > > Uphill both ways in the snow, with no shoes ... cardboard box , ice,=20 > pond, ... . > -- http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/chang= e your membership options at http://mailman.mit.edu/mailman/listinfo/piclis= t --=20 http://www.piclist.com/techref/piclist PIC/SX FAQ & list archive View/change your membership options at http://mailman.mit.edu/mailman/listinfo/piclist .