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Re: Google Code is shutting down: export your projects

Posted on 2015-03-14, 16:21

in Milliways

in Milliways

I think that any business is going to have questionable decisions. I look at the whole of Google and I don't see the same policies and tactics that gave Microsoft such a black eye in the mid 90s, or IBM in the 70s and 80s. The point of the thread was to let people know that a service is shutting …

Re: Google Code is shutting down: export your projects

Posted on 2015-03-14, 02:08

in Milliways

in Milliways

Idiots! It was bad enough with Yahoo Geocities. I cannot believe that Google would shut down a well used service like Google code though. Although I guess it goes with the usual Google policy of "screw the user" The usual Google policy of "screw the user"? What planet did you come from? Google Code …

Google Code is shutting down: export your projects

Posted on 2015-03-13, 05:18

in Milliways

in Milliways

http://google-opensource.blogspot.com/2015/03 … oogle-code.html After nine years Google Code is shutting down. There are some MS-DOS and vintage computer projects hosted on it, so if you know of something there that you like make sure it gets saved.

Re: NE2000 Ethernet card DOS problem

Posted on 2015-02-03, 20:30

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

If you are getting all FFs for the MAC address then the packet driver is not using the correct I/O port address for the card. Check for port conflicts and make sure that the port address is set correctly when loading the packet driver.

Re: Question about code and PCjr and svga_s3

Posted on 2015-02-02, 16:11

in DOSBox Development

in DOSBox Development

Scali, If there is any evidence of me "ego tripping" in this thread, or a horrible burning desire to prove you wrong somehow, then I think it's time for you to get back on your meds. Nothing in this thread supports either assertion. I find that you think you are worthy of persecution from unknown …

Re: MS-DOS networking: my personal nightmare

Posted on 2015-01-27, 23:05

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

Yeah, I decided a long time ago that I wasn't going past DOS 6.22 on this machine. Windows isn't an option. :happy: I've been looking into the mTCP suite but for some reason it refuses to see my NIC on 0x310, which is the I/O address that the MS Network Client claims it has, so it won't let me …

Re: Question about code and PCjr and svga_s3

Posted on 2015-01-27, 15:25

in DOSBox Development

in DOSBox Development

Also, when Steve built the circuit he was dealing with a machine that had a much slower clock rate. The video controller and the CPU could interleave memory without bumping into each other. By the time you get to nearly 5Mhz, that requires arbitration, hence some of the function of the Video Gate …

Re: Question about code and PCjr and svga_s3

Posted on 2015-01-26, 23:16

in DOSBox Development

in DOSBox Development

Thanks for the lecture on DRAM refresh, but I think we've already established that both of us know how it works. I'm just merely pointing out that the point of view of the people who designed the machine is quite different than your interpretation. To them, the video controller refreshing the memory …

Re: Question about code and PCjr and svga_s3

Posted on 2015-01-26, 16:11

in DOSBox Development

in DOSBox Development

it was a design feature for the machine. Now *this* is an opinion. As I already said, the refresh is done by the Motorola 6845, which was not designed by IBM, nor was it designed specifically for the PCjr. So if you want to stick to your opinion that this was a design feature of the PCjr, even …

Re: Question about code and PCjr and svga_s3

Posted on 2015-01-26, 01:32

in DOSBox Development

in DOSBox Development

You are entitled to your opinion. I have been a PCjr owner for 30+ years and I worked at IBM for nearly twenty years. I've spoken to more than a handful of the team that worked on it. I've seen the internal chatter on the machine from back when it was new. And I'm telling you that your …

Re: Question about code and PCjr and svga_s3

Posted on 2015-01-25, 18:13

in DOSBox Development

in DOSBox Development

Not to be overly pedantic here, but you called it a side-effect. In the case of the PCjr it was explicitly taken advantage of; that is not a side-effect. That makes it a design feature.

Re: Question about code and PCjr and svga_s3

Posted on 2015-01-24, 21:18

in DOSBox Development

in DOSBox Development

Because of the memory accesses, the memory also gets refreshed automatically, but that is a side-effect rather than the reason. It is more than a side-effect. The PCjr does not have a DMA channel to use like the PC does so it can not use DMA to force memory refreshing. The video circuitry is …

Re: Programming... Would appreciate some advice from the experts and ideas for a simple DOS tool.

Posted on 2015-01-24, 21:11

in Milliways

in Milliways

There are lots of different types of code that one can get paid to write. I've been paid to write Java, C++ for the internals of an operating system, C++ for firmware, a little FORTRAN, assembler, etc. And then I write code at home for DOS. To me, writing code for DOS is very similar to writing code …

Re: How many PC compatibles do you guys own?

Posted on 2015-01-19, 17:38

in Marvin \ General Old Hardware

in Marvin \ General Old Hardware

My list ... IBM PCjr (several varieties with expansion units, sidecars, etc.) IBM PC 5150 (several, including one with a 5161 expansion) IBM PC 5160 (several) IBM PC 5162 (assembled from parts, more of a frankenputer) IBM PC AT 5170 (several) IBM PC Convertible (5140) IBM PS/2 Model 25 IBM L40SX ( …

Re: Best DOS video card?

Posted on 2014-12-19, 05:10

in Marvin \ Video

in Marvin \ Video

"SneakerNet" using floppies, CDs or Compact FLASH seems like punishment after having access to good networking software. Besides using FTP (server or client) to transfer files, having networking allows you to run an IRC client on the machine, to use Telnet BBS systems, to synchronize the time with …

Re: Sunaiac's VLB 486 : Writeback DX4, VLB SCSI, ET4000/W32p

Posted on 2014-07-19, 20:33

in Marvin \ System Specs

in Marvin \ System Specs

Ok, I understand. previously I used a simple filezilla on windows. I recently switched to some ftp server on my linux NAS directly, it must be behaving differently :) Thanks for the input. After thinking about this for a bit I'm going to add a warning to the client; if the client is in ASCII mode …

Re: Sunaiac's VLB 486 : Writeback DX4, VLB SCSI, ET4000/W32p

Posted on 2014-07-17, 04:53

in Marvin \ System Specs

in Marvin \ System Specs

Hello, I actually transfered a zip (phil's VGA benchmark), and that's what put me on the right track :) I really don't understand why mTCP defaults to ASCII thus. windows does not, nor any other ftp client I used previously to my knowledge. Is it supposed to be the default in the ftp norm ? I'd …

Re: Sunaiac's VLB 486 : Writeback DX4, VLB SCSI, ET4000/W32p

Posted on 2014-07-16, 02:04

in Marvin \ System Specs

in Marvin \ System Specs

Hint for others : type "image" in mtcp ftp client to avoid the ascii mode screwing everything ... I tested sio many hardware setups just because of a configuration proclem ... :( Well at least it's done :) Sorry, but that is a classic FTP user error - transferring things in ASCII mode instead of …

Re: The Last of the True Tandys

Posted on 2014-07-12, 13:42

in Marvin \ System Specs

in Marvin \ System Specs

Harekiet wrote: I don't think I'll ever see a tandy or pcjr here in Europe. There is a PCjr in Sweden. I sent it there. : - ) If you can live without the PCjr monitor the shipping becomes a lot easier and a lot less expensive.

Re: Sunaiac's VLB 486 : Writeback DX4, VLB SCSI, ET4000/W32p

Posted on 2014-07-07, 05:19

in Marvin \ System Specs

in Marvin \ System Specs

A bad hard drive is generally not going to silently corrupt data. It either reads your data, or it gives an error saying that it could not read the data. It is rare for a hard drive to return bad data. What you describe sounds more like a RAM or chipset problem, caused either by parts that are …

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