From mboxrd@z Thu Jan 1 00:00:00 1970 X-Spam-Checker-Version: SpamAssassin 3.4.4 (2020-01-24) on inbox.vuxu.org X-Spam-Level: X-Spam-Status: No, score=-1.1 required=5.0 tests=MAILING_LIST_MULTI, NICE_REPLY_A,RCVD_IN_DNSWL_NONE autolearn=ham autolearn_force=no version=3.4.4 Received: (qmail 1539 invoked from network); 13 Feb 2021 06:05:54 -0000 Received: from minnie.tuhs.org (45.79.103.53) by inbox.vuxu.org with ESMTPUTF8; 13 Feb 2021 06:05:54 -0000 Received: by minnie.tuhs.org (Postfix, from userid 112) id 804F79C84D; Sat, 13 Feb 2021 16:05:52 +1000 (AEST) Received: from minnie.tuhs.org (localhost [127.0.0.1]) by minnie.tuhs.org (Postfix) with ESMTP id DCB3E9503D; Sat, 13 Feb 2021 16:05:15 +1000 (AEST) Received: by minnie.tuhs.org (Postfix, from userid 112) id 793299503D; Sat, 13 Feb 2021 16:05:10 +1000 (AEST) Received: from kvm5.telegraphics.com.au (kvm5.telegraphics.com.au [98.124.60.144]) by minnie.tuhs.org (Postfix) with ESMTP id CA4139503C for ; Sat, 13 Feb 2021 16:05:09 +1000 (AEST) Received: from [10.210.249.17] (unknown [10.210.249.17]) by kvm5.telegraphics.com.au (Postfix) with ESMTP id 33B3A2B5C2; Sat, 13 Feb 2021 01:05:08 -0500 (EST) To: Jason Stevens , 'Gregg Levine' , The Eunuchs Hysterical Society References: <0F0B9BFC06289346B88512B91E55670D300F@EXCHANGE> From: Toby Thain Message-ID: <94b9ad5c-dd0b-9195-d391-787bafdf510f@telegraphics.com.au> Date: Sat, 13 Feb 2021 01:05:07 -0500 User-Agent: Mozilla/5.0 (Macintosh; Intel Mac OS X 10.14; rv:78.0) Gecko/20100101 Thunderbird/78.7.1 MIME-Version: 1.0 In-Reply-To: <0F0B9BFC06289346B88512B91E55670D300F@EXCHANGE> Content-Type: text/plain; charset=utf-8 Content-Language: en-US Content-Transfer-Encoding: 7bit Subject: Re: [TUHS] 68k prototypes & microcode X-BeenThere: tuhs@minnie.tuhs.org X-Mailman-Version: 2.1.26 Precedence: list List-Id: The Unix Heritage Society mailing list List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Errors-To: tuhs-bounces@minnie.tuhs.org Sender: "TUHS" On 2021-02-12 11:34 p.m., Jason Stevens wrote: > Apparently they are getting 68040 levels of performance with a Pi... and > that interpreted. Going with JIT it's way higher. Before we get too breathless, this is roughly what was achieved with a PowerPC 601 emulating 68K ...approximately 28 years ago. --T > > -----Original Message----- > From: Gregg Levine [SMTP:gregg.drwho8@gmail.com] > Sent: Saturday, February 13, 2021 10:30 AM > To: Jason Stevens; The Eunuchs Hysterical Society > Subject: Re: [TUHS] 68k prototypes & microcode > > An amazing idea. > ----- > Gregg C Levine gregg.drwho8@gmail.com > "This signature fought the Time Wars, time and again." > > On Fri, Feb 12, 2021 at 7:51 PM Jason Stevens > wrote: > > > > You might find this interesting > > > > https://twitter.com/i/status/1320767372853190659 > > > > > > It's a pi (arm) running Musashi a 68000 core, but using voltage > buffers it's > > plugged into the 68000 socket of an Amiga! > > > > You can find more info on their github: > > > > https://github.com/captain-amygdala/pistorm > > > > > > Maybe we are at the point where numerous cheap CPU's can eliminate > FPGA's? > > > > -----Original Message----- > > From: Michael Parson [SMTP:mparson@bl.org] > > Sent: Friday, February 05, 2021 10:43 PM > > To: The Eunuchs Hysterical Society > > Subject: Re: [TUHS] 68k prototypes & microcode > > > > On 2021-02-04 16:47, Henry Bent wrote: > > > On Thu, Feb 4, 2021, 17:40 Adam Thornton > > > wrote: > > > > > >> I'm probably Stockholm Syndrommed about 6502. It's > what I grew > > up on, > > >> and > > >> I still like it a great deal. Admittedly > register-starved (well, > > > > >> unless > > >> you consider the zero page a whole page of registers), > > but...simple, > > >> easy > > >> to fit in your head, kinda wonderful. > > >> > > >> I'd love a 64-bit 6502-alike (but I'd probably give it > more than > > three > > >> registers). I mean given how little silicon (or how > few FPGA > > gates) a > > >> reasonable version of that would take, might as well > include > > 65C02 and > > >> 65816 cores in there too with some sort of > mode-switching > > instruction. > > >> Wouldn't a 6502ish with 64-bit wordsize and a 64-bit > address bus > > be > > >> fun? > > >> Throw in an onboard MMU and FPU too, I suppose, and > then you > > could > > >> have a > > >> real system on it. > > >> > > >> > > > Sounds like a perfect project for an FPGA. If there's > already a > > 6502 > > > implementation out there, converting to 64 bit should be > fairly > > easy. > > > > There are FPGA implementations of the 6502 out there. If > you've not > > seen > > it, check out the MiSTer[0] project, FPGA implementations > of a LOT > > of > > computers, going back as far as the EDSAC, PDP-1, a LOT of > 8, 16, > > and 32 > > bit systems from the 70s and 80s along with gaming > consoles from the > > 70s > > and 80s. > > > > Keeping this semi-TUHS related, one guy[1] has even > implemented a > > Sparc 32m[2] (I think maybe an SS10), which boots SunOS 4, > 5, Linux, > > NetBSD, and even the Sparc version of NeXTSTEP, but it's > not part of > > the > > "official" MiSTer bits (yet?). > > > > -- > > Michael Parson > > Pflugerville, TX > > KF5LGQ > > > > [0] https://github.com/MiSTer-devel/Main_MiSTer/wiki > > [1] https://temlib.org/site/ > > [2] https://temlib.org/pub/mister/SS/ >