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  • Users: QBO
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  1. QBO

    Saving a 4-bit BMP in SCREEN 12 (thread314-747791 )

    OK. Thanks. I didn't get a chance to monkey with it yesterday. At least I know now it's not just me. I'll report my findings.
  2. QBO

    Saving a 4-bit BMP in SCREEN 12 (thread314-747791 )

    Glad to see you're still with me. I wish to God every day that I had kept my TRS-80, but, no---no old rig (I have a monster gaming rig). I studied the code of SAVE4BIT, and I think I get it now, but I still can't see what's wrong. Evrything lines up as far as I can tell: 14, 40, 64, data to EOF...
  3. QBO

    Saving a 4-bit BMP in SCREEN 12 (thread314-747791 )

    You know what? I guess I should mention that it's in DOSBOX.
  4. QBO

    Saving a 4-bit BMP in SCREEN 12 (thread314-747791 )

    Right. I tried passing numbers instead of variables, and I tried making the line lengths divisible by four. The resulting BMP provokes an error in Windows Photo Viewer, and Irfanview displays it as a "torn-looking" version, as if the line scans are out of sync, almost like an old TV with the...
  5. QBO

    Saving a 4-bit BMP in SCREEN 12 (thread314-747791 )

    thread314-747791 I cut and pasted the code from the above thread, and it worked perfectly. I tried making the area smaller by passing other values for the mins and maxes, and it produced corrupted BMPs. It's been a long time since I programmed in QBASIC, and it's coming back to me, but I can't...

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