Online ticketing is open for VCF East

http://vcfed.org/wp/festivals/vintage-computer-festival-east/tickets/ Note: Your paypal email confirmation is your ticket. A record of your purchase will be at the door when you arrive at VCF East. Evan Koblentz, director Vintage Computer Federation a 501(c)3

Re: 8085 Dissasembly?

On 17/04/2018 14:25, Warner Losh via cctalk wrote: On Tue, Apr 17, 2018 at 7:12 PM, Johnny Eriksson via cctalk < cctalk@classiccmp.org> wrote: Bill Gunshannon wrote: Many of us think that the advent of the x86 architecture is what led to masochism. ... or masochism led to the x86

Re: Jobs, McGowan and Olsen

On 11 August 2014 at 00:37, Jason T wrote: > On Thu, Aug 7, 2014 at 12:40 PM, MikeS wrote: > >> - 'Digital Man/Digital World': Ken Olsen/DEC's growth and ultimate decline. >> (No doubt everyone here except myself had already seen this one ;-) > > Now

Re: 8085 Dissasembly?

On Tue, Apr 17, 2018 at 2:14 PM, Fred Cisin via cctalk < cctalk@classiccmp.org> wrote: > On Tue, 17 Apr 2018, allison via cctalk wrote: > >> Looked at 8086 and decided it was a 8080 with a bag on the side. >> It was and still is irrational. >> > > OTOH, Micropro had 8080 originated Wordstar

Re: 8085 Dissasembly?

On Tue, 17 Apr 2018, allison via cctalk wrote: Looked at 8086 and decided it was a 8080 with a bag on the side. It was and still is irrational. In the days of assembly language and hand edited machine code, An 8080 with a bag on the side made it extremely quick and easy to port legacy (8080)

Re: 8085 Dissasembly?

On Tue, Apr 17, 2018 at 12:46 PM, Eric Smith via cctalk < cctalk@classiccmp.org> wrote: > On Tue, Apr 17, 2018 at 9:12 AM, allison via cctalk > > wrote: > > > Looked at 8086 and decided it was a 8080 with a bag on the side. > > It was and still is irrational. > > > > With

Re: 8085 Dissasembly?

On 04/17/2018 02:21 PM, Chuck Guzis via cctalk wrote: > How many started coding for a machine writing machine code? > > I recall that the IBM 1620 SPS coding forms had two sides--one for > coding assembly (SPS); the other labeled "IBM 1620 Absolute Coding > System". Basically a form with the

Re: 8085 Dissasembly?

On Tue, Apr 17, 2018 at 9:12 AM, allison via cctalk wrote: > Looked at 8086 and decided it was a 8080 with a bag on the side. > It was and still is irrational. > With the 386 architecture (32-bit), they actually cleaned it up quite a bit. I won't go nearly so far as to

Re: 8085 Dissasembly?

On Tue, Apr 17, 2018 at 11:06 AM, Richard Sheppard via cctalk wrote: >> Lastly, I wonder if there might be some kind of checksum check to prevent >> tampering. Is there a common way this is handled in 8085 world? Or is it >> entirely programmer dependent? > > One approach

Re: 8085 Dissasembly?

How many started coding for a machine writing machine code? I recall that the IBM 1620 SPS coding forms had two sides--one for coding assembly (SPS); the other labeled "IBM 1620 Absolute Coding System". Basically a form with the first 5 positions reserved for the address, 2 positions for the

Re: 8085 Dissasembly?

> Lastly, I wonder if there might be some kind of checksum check to prevent > tampering. Is there a common way this is handled in 8085 world? Or is it > entirely programmer dependent? One approach that be doable for you is if you have a good ROM with a known checksum, make your changes then

Re: 8085 Dissasembly?

On Tue, Apr 17, 2018 at 8:31 AM, Tapley, Mark via cctalk < cctalk@classiccmp.org> wrote: > On Apr 17, 2018, at 8:25 AM, Warner Losh via cctalk > wrote: > > > On Tue, Apr 17, 2018 at 7:12 PM, Johnny Eriksson via cctalk < > > cctalk@classiccmp.org> wrote: > > > >> Bill

RE: LCM 8/e System Photo makes ZDNet

I recognize that PDP-8/e, it's the one that is working, for visitors to use, at Living Computers: Museum + Labs! http://www.livingcomputers.org -Original Message- From: cctalk On Behalf Of Paul Birkel via cctalk Sent: Monday, April 16, 2018 7:27 AM To:

Re: 8085 Dissasembly?

On 04/17/2018 11:07 AM, Brian L. Stuart via cctalk wrote: > On Tue, 4/17/18, Eric Smith via cctalk wrote: >> On Mon, Apr 16, 2018 at 7:29 PM, Chuck Guzis via cctalk >> wrote: >>> Disassembly is never lots of fun, >> Some of us might disagree. >>

Re: 8085 Dissasembly?

On 04/17/2018 10:59 AM, Bill Gunshannon via cctalk wrote: > > On 04/17/2018 09:25 AM, Warner Losh via cctalk wrote: >> On Tue, Apr 17, 2018 at 7:12 PM, Johnny Eriksson via cctalk < >> cctalk@classiccmp.org> wrote: >> >>> Bill Gunshannon wrote: >>> Many of us think that the advent of the x86

Re: LCM 8/e System Photo makes ZDNet

Beauty in engineering. DEC and Data General man, simply artwork. -- Anders Nelson +1 (517) 775-6129 www.erogear.com On Mon, Apr 16, 2018 at 8:50 PM, Noel Chiappa via cctalk < cctalk@classiccmp.org> wrote: > > From: Paul Birkel > > > the blinky-lights controller panel top-dead-center

Re: 8085 Dissasembly?

On Tue, 4/17/18, Eric Smith via cctalk wrote: > On Mon, Apr 16, 2018 at 7:29 PM, Chuck Guzis via cctalk > wrote: >> Disassembly is never lots of fun, > > Some of us might disagree. > But then, some of us might be masochists. I was just thinking the

Re: 8085 Dissasembly?

Doing disassembly is about a process of refining. Some expect the disassembler to figure out where the gobs of data bytes are. Most such disassembler do a poor job on one or another program. The ones that actually work best are those that allow you ( a human ) to look at the result and allow

Re: Help on a 1998 Award BIOS chip

On Mon, 16 Apr 2018, Curious Marc via cctalk wrote: On Apr 16, 2018, at 6:31 PM, Chuck Guzis via cctalk wrote: On 04/16/2018 06:11 PM, CuriousMarc via cctalk wrote: And lifting the sticker reveals the BIOS chip is just a W29C020P-12, a regular 256k x 8 Flash

Re: 8085 Dissasembly?

On Tue, Apr 17, 2018 at 7:12 PM, Johnny Eriksson via cctalk < cctalk@classiccmp.org> wrote: > Bill Gunshannon wrote: > > > Many of us think that the advent of the x86 architecture is what led to > > masochism. > > ... or masochism led to the x86 architecture. > I think you are confused maybe.

Re: 8085 Dissasembly?

Bill Gunshannon wrote: > Many of us think that the advent of the x86 architecture is what led to > masochism. ... or masochism led to the x86 architecture. > bill --Johnny

Re: 8085 Dissasembly?

On 04/17/2018 08:04 AM, Noel Chiappa via cctalk wrote: > > From: Eric Smith > > > But then, some of us might be masochists. > > I think pretty much by definition if you're into vintage computers, you have > to be a masochist... :-) > > Many of us think that the advent of the x86

Re: 8085 Dissasembly?

> From: Eric Smith > But then, some of us might be masochists. I think pretty much by definition if you're into vintage computers, you have to be a masochist... :-) Noel

RE: Scanned paperback book "RSX A User's Guide"

Mark - if you don't find another good spot for it, I'd be happy to host it for free. Perhaps rsx.classiccmp.org or such. Best, J