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  1. Replies
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    Views
    235

    zippysticks, >READY It appears that Bits D0...

    zippysticks,

    >READY

    It appears that Bits D0 and D1 change at times to give you that random first character.

    Looking at the first displayed character 0x7D (0111 1101) that changes to 0x7E...
  2. Thread: Sdltrs

    by ldkraemer
    Replies
    22
    Views
    2,804

    BartH, I'm running trs80gp in Debian 9.x under...

    BartH,
    I'm running trs80gp in Debian 9.x under Wine Version 1.8.7, and it works fine.

    Here is my Linux Launcher:
    NAME: trs80gp
    Comment: Trs80 Emulator trs80gp.exe
    Command: wine trs80gp.exe...
  3. Replies
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    zippysticks, If I remember correctly the Video...

    zippysticks,
    If I remember correctly the Video cable comes out the bottom front of the Monitor, and the AC Line
    Plug comes out the back of the Chassis. It's actually a RCA Television Chassis with...
  4. Do a global search using "FOR" and expand the...

    Do a global search using "FOR" and expand the statements:

    to

    FOR A3=2 TO 0 STEP-1

    Making it easier to read until you locate all the mistakes.

    Line 3320 should be:
    3320 FOR A1=1 TO 6
  5. Here are a couple of errors I spotted. That...

    Here are a couple of errors I spotted. That should clear up the Dimensioned Data Elements
    and the Reads.



    REM
    REM 15 DIM GC(9),GD(8),GF(6),GG(5),TP!(9),SS!(8)
    REM 20 DIM...
  6. Monty, Any Progress? Thanks. Larry

    Monty,
    Any Progress?

    Thanks.

    Larry
  7. Monty, It should be no big deal. The MCM68A332...

    Monty,
    It should be no big deal. The MCM68A332 is pin compatible with the MCM68766, with the exception of Pins 20 & 21.
    These are the Chip Select Pins that are a Custom Program for the Specific...
  8. The Tiki .dsk file should be the same as a .RAW...

    The Tiki .dsk file should be the same as a .RAW (Sector Dump) of the Floppy. I have the following .zip
    files for the Tiki:



    94695 Jun 2 2018 Kryssord_Generator.zip
    192197 Jun 2 2018...
  9. Replies
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    780

    This was very interesting, so I downloaded the...

    This was very interesting, so I downloaded the LARGE ZIP file, and had a look at the BPB
    area of KQ1PC.IMG.

    KQ1PC.IMG


    00000000 E8 B7 01 EB 78 90 42 4F 4F 54 20 76 31 2E 32 20 ...
  10. Replies
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    388

    Chuck, Google isn't locating the 74HCT760...

    Chuck,
    Google isn't locating the 74HCT760 Datasheet for me. Was there a typo?
    If you have the 74HCT760 Datasheet will you upload it?

    Thanks.

    Larry
  11. Replies
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    Ian, GREAT NEWS! Glad it worked properly. ...

    Ian,
    GREAT NEWS! Glad it worked properly.

    Yes, send it to Al at Bitsavers to preserve.

    Larry
  12. Replies
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    965

    Glen, Your Character ROM for the Model 1 appears...

    Glen,
    Your Character ROM for the Model 1 appears the same as the Motorola MCM6670 Documentation. My Original ROM had that crazy
    "Flying a" until I bought a Lowercase Kit from KSG Tech. Now, my...
  13. Frank, I've got the same problem......getting...

    Frank,
    I've got the same problem......getting OLD.

    I have some Thermal Paste somewhere and still haven't found it.

    Larry
  14. Frank, If the Model 1 is a Level II ROM, then...

    Frank,
    If the Model 1 is a Level II ROM, then All Jumpers on X3 (Z3) need to be shorted. I use a 8 Position
    DIP Switch instead of the dip jumper you have shown in the Photo.

    A RAM that is VERY...
  15. If you are refering to the Drivetec Floppy drives...

    If you are refering to the Drivetec Floppy drives that were on a few of the Kaypro's (as the MICROcode Disk Format)
    I found this information in the UROM Kits.



    REF BLANK.MAC

    call stat...
  16. Replies
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    290

    Floppy Jumpers

    Do you have the PDF page for the Floppy Jumpers that are required?

    PM me with your email address.

    Larry
  17. Replies
    54
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    2,742

    Ian, No Problem. I didn't even look at the...

    Ian,
    No Problem. I didn't even look at the correct file the first time I posted, and had several mistakes in the HEX BYTES.
    But, that was because I was trying be quick in posting so I could go to...
  18. Replies
    54
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    2,742

    Yes, but the 63S141 Datasheet shows a 1K size of...

    Yes, but the 63S141 Datasheet shows a 1K size of 4 Output bits each. And 256 * 4 is 1024 = 1K
    and with {A0..A7} that is 8 Pins for Address locations 2 ^ 8 = 256.

    Larry
  19. Replies
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    Ian, I was in a hurry to get to Granddaughter's...

    Ian,
    I was in a hurry to get to Granddaughter's Volleyball game, and I looked at the 60 HZ file. SORRY!
    Here is the corrected 50 HZ file. I'm sure it should be correct, but double check...
  20. Replies
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    Ian, I believe you have the file incorrect. ...

    Ian,
    I believe you have the file incorrect.

    Look at the left column, and it is noted as a Hexidecimal address. {00..32} HEX are 0x02
    You HEX Bytes od 0x02 end at address 0x19

    You need to...
  21. Replies
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    2,742

    There is a 63S141 on Ebay, but it is expensive....

    There is a 63S141 on Ebay, but it is expensive.
    https://www.ebay.com/itm/1-x-63S141J-Fuse-Programmable-PROM-MMI-CDIP-16-1pcs-/162446337397
    ...
  22. Replies
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    2,742

    Should be able to use these equivalents for the...

    Should be able to use these equivalents for the 63S141:

    256x4

    Fujitsu 7114TS
    SIG 82S129
    AMD 27S21
    MMI 6301, 63S141J
    NAT 74S287
    TI 24S10, 34S10
  23. MrArgent, I sure hope you checked the Solder...

    MrArgent,
    I sure hope you checked the Solder Joints on the J2 Connector too. Those are prone to
    getting a thin ring around them where the solder is broken fee from thr PCB. If you didn't
    look at...
  24. Replies
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    Why don't you add a bit of documentation, with...

    Why don't you add a bit of documentation, with the original source files, and post on thingiverse.
    The Source files are nice to include because not everyone uses the same software as you.
    If anyone...
  25. If you clean those pins good, then insert them in...

    If you clean those pins good, then insert them in the PCB, they should solder properly. You will need to flux
    the parts and use a temperature controlled Iron along with some good Rosin Core Solder....
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