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  1. Phil_G

    Mid Atlantic Vintage Stuff for sale

    What era Byte & Kilobaud please?
  2. Phil_G

    FLEX for 6800 (source code).

    WIll you be sharing your work please Dave?
  3. Phil_G

    GAL compilers?

    I'm a windows user, I'm not clever enough to run Linux. I use GALASM (specifically EQN2JED) in DOSBOX without problems.
  4. Phil_G

    What thermal A4 printers were around with either RS232 or Parallel ports?

    Not actually retro but at only £17 a good substitute for the AIM65 style printer: Thermal Printer
  5. Phil_G

    Book8088 V2 Internals

    I bought a V1, I wish I'd waited as the V2 serial & printer ports would be so useful to me... :) Presumably a V1 has zero value now...
  6. Phil_G

    Just a 'simple' Assembler for CP/M 3.....

    ZSM, widely available via CP/M User Group archives :)
  7. Phil_G

    Obnoxious eBay "please use our app!" popover

    I think apps negate many of the advantages of the thin client model the web has been based on
  8. Phil_G

    PC LPT Port Interface Projects

    Ooh yes me too, I'd forgotten about that. PAGE 58,132 CODE SEGMENT ASSUME CS:CODE,DS:CODE,ES:CODE,SS:CODE ; Drive Hitachi display on LPT1. Data lines straight, STRB (1) --> E (6) ; SLCT_IN (17) --> R/W (5), AUTO_FD_XT (14) --> R/S (4) ; Ignore BSY signal (o/p only port), just delay after...
  9. Phil_G

    Casu C-Max or Mini-C

    Decades ago these were the staple office computer in BT (I'm in the UK), I did loads of assembler and PLI/80 development for our reporting systems, I grew very fond of Casu's. I just wondered if any had survived. I'd love one myself but I guess they now go for several times more than they did...
  10. Phil_G

    PC LPT Port Interface Projects

    Yes in fact I used it recently to demo a few things on 'retro' comps: Simple sampling: Richard Russell's Music compiler (RR of BBC Basic fame) SounDAC on the RC2040 (skip to 2 minutes 6 secs:
  11. Phil_G

    PC LPT Port Interface Projects

    I did the EPE 'SounDAC' amongst others: https://www.worldradiohistory.com/UK/Everyday-Electronics/90s/Everyday-Electronics-1994-04.pdf
  12. Phil_G

    Cheap composite monitor

    It has simple composite and audio in, no mirror image, no reversing guide bar overlay, its just a simple composite monitor and therefore ideal for our purposes. For £12 they are an absolute bargain, I dont know how they make them for that price. I generally use a subset of the Geoff Graham PIC...
  13. Phil_G

    Obnoxious eBay "please use our app!" popover

    There is a movement using the acronym IDWYFA a search will reveal all :)
  14. Phil_G

    Cheap composite monitor

    My SC/MP running via a chatpad keyboard and a 4.3 inch composite reversing screen, £12 including delivery from ebay, I bought one then a couple more when I realised how good they were. Fifty pence for size reference, I couldnt find a banana :)
  15. Phil_G

    Self Modifying Code... Best Practice or avoid?

    My Logiker Christmas 2023 entry (sc/mp assembler) did one byte of smc :)
  16. Phil_G

    Writing Assemblers... What should a good assembler do?

    Just a perspective comment - in 45 years of assembler on various cpus I've never, ever needed 'incbin' :) If ever I did, I would #include a file of db statements... which is trivial to create from a binary :)
  17. Phil_G

    The curse of fake parts out of China.

    >>I bought some 6522 from Aliexpress. They look fake / relabeled My experience is that if they work at all, they're most likely genuine. My own fakes have all been DOA, probably a completely different type of chip to the type claimed by the (re)labelling.
  18. Phil_G

    PAL fusemap to JED?

    If you can work out the logic equation, within the GALASM collection is a utility called EQN2JED which will create a .JED file from an equation, I use this for GALs but I'm not sure if the resulting .JED file would also suit a PAL? are all .JEDs created equal?
  19. Phil_G

    Four-voice polyphonic music on my S-100 Z80 system circa 1981-1982

    I'm a big fan of Richard Russell's (of BBCbasic fame) MUSIC compiler for CP/M - four polyphonic voices and several different timbres. All very clever, maybe he'd read the byte article, I think MUSIC was released to the CPMUGUK library in the early 1980's It was first featured on CP/M Usergroup...
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