Path: csiph.com!fu-berlin.de!uni-berlin.de!individual.net!not-for-mail From: "Johann Klasek - swap last two domainparts" Newsgroups: comp.lang.forth Subject: Re: Ragsdale Forth assembler history Date: 31 Jul 2026 11:04:08 GMT Lines: 24 Sender: Johann Klasek Message-ID: References: <6a6ac269@news.ausics.net> X-Trace: individual.net vhjl4QfNb+QYx8VghTOhNgFhtCLBwfjSfTrLiNh/2Wp1EhVi/Y X-Orig-Path: not-for-mail Cancel-Lock: sha1:vFv5kOdqxqRiEgIH8rN2qPtGgCg= sha256:E6jEJDz2EFId/zA75eUn6txi4s0Nz8Z1yfH8v+/FXQ4= User-Agent: tin/1.8.2-20060425 ("Shillay") (UNIX) (Linux/2.6.22.14-72.fc6 (i686)) Xref: csiph.com comp.lang.forth:135287 dxf 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