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Type: Posts; User: Eudimorphodon

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  1. GeoWorks is actually kind of impressive on my...

    GeoWorks is actually kind of impressive on my highly-modded 1000 HX with a VGA card, but I have reservations recommending it with the standard CGA driver. It's not easy to look at. I don't *think*...
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    Also, here's a really good counterargument to the...

    Also, here's a really good counterargument to the assertion that IBM "invented" the Baby AT. Here's a capsule review of a PC Limited 286/12 in the July 1986 issue of PC Mag. One of the features noted...
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    According to a TRS-80 Model 4 quick reference...

    According to a TRS-80 Model 4 quick reference guide you should be able to save a program in ASCII format with:

    SAVE "FILENAME/TXT",A

    Did you try saving it with a "/BAS" extension? Maybe it has...
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    It seems like a stretch to me to claim the...

    It seems like a stretch to me to claim the "Entire clone industry copied it"; the sum total of the "innovation" is a 286 board that fits inside a case with XT-position-ed holes. There are 286...
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    I think it's pretty obvious that IBM would never...

    I think it's pretty obvious that IBM would never write that down in a manual, so, no. But I'm pretty sure it's a conclusion that appeared in more than one contemporary magazine at the time.

    Edit:...
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    It's a stale memory, but I believe the soft power...

    It's a stale memory, but I believe the soft power control in old Macintoshes is also a pull-up instead of a pull-down, so it's definitely a thing people did.
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    Long and short of it definitely verify that your...

    Long and short of it definitely verify that your Model 4, whichever one of the two, can at least do cassette I/O reliably with itself. (The most basic test would be to boot it into Model III BASIC...
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    It's certainly possible that by 1986 IBM had hit...

    It's certainly possible that by 1986 IBM had hit the "Using up the last of the parts" stage of production and tossed in some 5160 power supplies to get the last few units off the end of the line,...
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    Unless you have some authoritative proof that the...

    Unless you have some authoritative proof that the PSU in the machine you're thinking of *wasn't* swapped out, well, lacking any specific literature for a specific market that says otherwise the April...
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    Woah. I apologize if I came off too harsh. I just...

    Woah. I apologize if I came off too harsh. I just remembered earlier in the thread you'd said you hadn't tried the TAPE100/CMD program yet, I was just thinking it'd be good to start there before...
  11. Yeah. One of these days I've been thinking it...

    Yeah. One of these days I've been thinking it would be interesting to set it up so I can NFS or ETHERDFS mount a working directory that's shared on the modern machine so I can skip the "virtual...
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    Both binaries tested on Tandy DOS 3.21 and 2.11...

    Both binaries tested on Tandy DOS 3.21 and 2.11 (and PC-DOS 7 to ensure no breakage with higher OS-es), and updated source and binaries pushed to the github repository. Thank you for the help!

    (In...
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    I did some testing and the verdict seems to be...

    I did some testing and the verdict seems to be that the EMS2UMB.EXE file works on DOS 3.3 or later, but I do indeed get that "Bad or missing CON" error on 3.21 or 2.11. I wonder what changed between...
  14. The key there is having an editor and IDE you...

    The key there is having an editor and IDE you know and are proficient in, of course.

    Shooting the file over to compile does take literally five seconds or so including issuing the commands, so...
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    Huh. I'll try it on some other DOS versions and...

    Huh. I'll try it on some other DOS versions and see if I can replicate it. That code wrapper that lets the EXE run from config.sys is pretty much a black box to me.
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    Radio Shack made a "baby" version of the TRS-80...

    Radio Shack made a "baby" version of the TRS-80 Color Computer called the MC-10. It used a different CPU (Motorola 6803 vs. 6809, not binary compatible) than the regular model but its BASIC was based...
  17. Recently when I was hacking together a couple...

    Recently when I was hacking together a couple assembly-language boot-time fixes to run on my Tandy 1000 my positively dreadful workflow ended up being something like this, since I have *no*...
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    So... the reason the Model I's cassette port ran...

    So... the reason the Model I's cassette port ran at 500 baud wasn't really related to how fast the machine's CPU ran. The bit rate was essentially based on a rough estimate as to what could be made...
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    Standard advice back in the day was to *replace*...

    Standard advice back in the day was to *replace* the PSU if you added a hard drive to the 5150, but so far as I'm aware IBM never sold one with either a hard drive or the bigger PSU.

    (They would...
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    Every unmolested 5150 I’ve ever seen had a 63...

    Every unmolested 5150 I’ve ever seen had a 63 watt power supply. So far as I’m aware it was standard equipment right up to the end.
  21. It has 64k on it so I'm going to guess Hercules...

    It has 64k on it so I'm going to guess Hercules compatible mono card. (I can't read the writing on the crystal, if it's 16mhz then it's pretty much a sure thing.)
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    I'd probably recommend making a Tandy DOS 2.1...

    I'd probably recommend making a Tandy DOS 2.1 disk for testing, 3.x is pretty tight in 128k and I assume that's what you're using on the SX, but I doubt that's actually the problem.
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    A 1000 should be fine with any normal version of...

    A 1000 should be fine with any normal version of DOS.

    Are you testing with a memory card installed, or just the basic 128k motherboard? (Reason I'm asking: wondering if a memory card is installed...
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    Apparently some people are *very* passionate when...

    Apparently some people are *very* passionate when it comes to command-line syntax for taking a disk directory.
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    That "dump a cassette file into memory raw"...

    That "dump a cassette file into memory raw" program would be interesting to run against an ASCII Model 100 tape to see if it actually reads correctly with the Model III's BASIC ROM algorithm; is it...
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