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Re: Ragsdale Forth assembler history

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dxf <dxforth@gmail.com> wrote:
> On 30/07/2026 7:50 am, Johann Klasek - swap last two domainparts wrote:
>> Hi folks,
>> 
>> sometimes ago (2012) I did some re-work on a 65C02 assembler derived
>> from the well known Ragsdale Assembler published in c't magazin,
>> 1984/01, p. 72, "65C02 Assembler in FORTH".
[..]
> 
> Interesting.  While I left the 6502 behind long ago, I also had need to upgrade
> Cassady's 8080 assembler to Z80 and again to eZ80.  I deliberately retained
> Intel's mnemonics (with TDL extensions) knowing Zilog's would be an expensive
> PITA for no demonstrable gain.  Indeed Zilog themselves would have preferred to
> use Intel's but fearing legal action, hired a third party to devise a new set:
> 
> https://www.retrotechnology.com/restore/TDLmonitor.html

Thank you, I wasn't aware of the TDL extensions at all. It's very
interesting to have gotten an overview of the whole thing after just a
quick glance.


JEEk

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Ragsdale Forth assembler history "Johann Klasek - swap last two domainparts" <johann+usenet@at.klasek.invalid> - 2026-07-29 21:50 +0000
  Re: Ragsdale Forth assembler history dxf <dxforth@gmail.com> - 2026-07-30 13:18 +1000
    Re: Ragsdale Forth assembler history "Johann Klasek - swap last two domainparts" <johann+usenet@at.klasek.invalid> - 2026-07-31 11:04 +0000

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