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Non-DOS diskette images cannot be saved #76

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apendrag0n3 opened this issue May 1, 2019 · 9 comments
Open

Non-DOS diskette images cannot be saved #76

apendrag0n3 opened this issue May 1, 2019 · 9 comments

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@apendrag0n3
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Currently - When I click "Save" - It saves a .IMG file.

When I try to MOUNT the .IMG just created - I get

"FDC: Unrecognized disk format (8192 bytes)"

Thoughts?

@jeffpar
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jeffpar commented May 2, 2019

Not sure why. I just tried it in the latest version of Chrome and it seems to work fine. When using Chrome, you do have to make sure to tell the browser to "Keep" the file you just downloaded. In any case, an 8192-byte disk image file is definitely invalid. Can you attach it here?

@apendrag0n3
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Yessir - it saved the file - that wasn't the problem. Here's the file:
DIscImage.zip

@apendrag0n3
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New Text Document.txt
This is my machine XML

@apendrag0n3
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New Text Document.txt
And Here's the FDC XML

@jeffpar
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jeffpar commented May 2, 2019

I see the problem -- Zork disks use a proprietary (non-DOS) format which can't be saved as an IMG. I should add an alert to PCjs that explains the problem and prevents you from saving it. PCjs can only (successfully) save and mount DOS-compatible disk images.

@apendrag0n3
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AHA! THAT make's sense!

@apendrag0n3
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So - how does one save a game with Zork?

@jeffpar
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jeffpar commented May 2, 2019

Use Zork's "save" and "restore" commands, and a scratch disk in drive B. The PCjs demo Zork 1 machine happens to have a PC DOS 2.00 disk sitting in drive B, but I think any disk will work. The disk will be trashed as far as DOS is concerned, because Zork just writes its "save" game data in predetermined locations on the scratch disk. Save the disk before you close the browser, and mount it in drive B the next time you play.

Screen Shot 2019-05-01 at 7 34 40 PM

@apendrag0n3
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Much thanks! This takes me WAY back to days of my "youth" (ok, my late teens and 20's)

@jeffpar jeffpar changed the title Disc Image Corrupt Non-DOS diskette images cannot be saved May 2, 2019
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