Sorry, not interested. My next project of that sort is for the IBM 1410. Kip Koon <[email protected]> wrote:
>Hi Jay, >I don't know if you are into Motorola microcontrollers or not, but I'm looking >for an IP core for the MC68HC11K Microcontroller as I can't find the actual >chip on ebay. Would you be interested in implementing this microcontroller in >VHDL? I'm trying to learn VHDL, but my many projects keep wanting my time. >:) I believe there is plenty of reference material for you to use. I've >collected some documentation myself that I would be happy to share if need be. > Please let me know what you think. Take care my friend. > >Kip Koon >[email protected] >http://www.cocopedia.com/wiki/index.php/Kip_Koon > > > >> -----Original Message----- >> From: cctalk [mailto:[email protected]] On Behalf Of Jan >> Adelsbach >> Sent: Thursday, July 30, 2015 3:32 PM >> To: General Discussion: On-Topic and Off-Topic Posts >> Subject: PDP-1 in Verilog (Incomplete) + More >> >> Hi all, >> >> At the time I've released my DG NOVA in Verilog I was also working on a >> PDP-1 in Verilog. Since I haven't >> touched the thing for quite some time I've decided to just release it before >> it catches dust. So far it can execute all kinds of programs, >> limitation is that they may not use IO as I haven't implemented the latter >> yet. (So essentially the same state as my DG NOVA >> implementation) It also supports optionally some PDP-1D features in the OPR >> and SKP instruction groups. Interrupts are implemented >> but untested. I'm not sure in which state I left the IOT controller if it >> works then both SBS and SBS16 might be usable. >> TL;DR: https://github.com/Jside/pdp1 >> >> The RCA110 was the project I was working on before I started the DG NOVA, it >> can execute some instructions but there is to much >> ambiguity in the reference manual on bitsavers in some cases which led me to >> abandon it. Especially since there is no software to >> cross-check. >> So for reference you can get it here: >> https://github.com/Jside/rca110 >> >> I wanted to mess around a bit with Chisel (a new HDL language used by the >> RISCV project) so here is the start of a CDC160 (currently >> only the instruction decoder): >> https://github.com/Jside/cdc160 >> >> I've also uploaded my DG NOVA to Github: https://github.com/Jside/nova1 >> >> MC14500B anyone? http://janadelsbach.com/soft/mc14500b.tar >> >> I will occasionally continue working on both the NOVA and PDP-1 (and maybe >> CDC160?). Also pull requests are welcome. >> As is obvious I *really* like implementing old computers in HDL languages >> but I always get stuck around IO since for any kind of >> flexibility as with an emulator I essentially would need to write a bus >> wrapper so that a (soft-core) processor executing Linux running >> an IO server could handle i.e. hard disks and magnetic tapes and that's I >> think really not worth it. So I might just go over and contribute >> to an emulator/simulator like SIMH if I'm in an >> must-implement-an-old-computer/processor mood ;). >> >> Regards, >> Jan >
