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First post, by oli1980

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I'm trying to run Lemmings 3D from a ISO file I just built with ImgBurn. The Lemmings 3D CDROM is a mixed mode (data+redbook tracks) cd.

When just mounting the actual cd like this, I have no problems running the game: MOUNT D D:\ -t cdrom -usecd 0 -ioctl -label LEMM3D

But when I try to mount my ISO file, it either hangs or gives the error 'Illgal GRP4 Call 5'. This is the command I use for the mount: imgmount D: <path to file>\LEMM3D.cue -t iso

Is this a problem with DosBox? Or is ImgBurn giving me a corrupted ISO? It gave no errors when reading the cd, and after the iso mount I can view the files on the D drive.

Reply 2 of 8, by darry

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oli1980 wrote on 2022-03-03, 23:48:
I'm trying to run Lemmings 3D from a ISO file I just built with ImgBurn. The Lemmings 3D CDROM is a mixed mode (data+redbook tr […]
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I'm trying to run Lemmings 3D from a ISO file I just built with ImgBurn. The Lemmings 3D CDROM is a mixed mode (data+redbook tracks) cd.

When just mounting the actual cd like this, I have no problems running the game: MOUNT D D:\ -t cdrom -usecd 0 -ioctl -label LEMM3D

But when I try to mount my ISO file, it either hangs or gives the error 'Illgal GRP4 Call 5'. This is the command I use for the mount: imgmount D: <path to file>\LEMM3D.cue -t iso

Is this a problem with DosBox? Or is ImgBurn giving me a corrupted ISO? It gave no errors when reading the cd, and after the iso mount I can view the files on the D drive.

I cannot say if this is the cause of the error message, but a mixed mode CD cannot be imaged into an ISO file (CD audio tracks are out of scope of ISO9660 ) . Try with CUE BIN instead .

See also Re: Which software to preserve CDs?

Reply 4 of 8, by darry

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darry wrote on 2022-03-03, 23:57:
oli1980 wrote on 2022-03-03, 23:48:
I'm trying to run Lemmings 3D from a ISO file I just built with ImgBurn. The Lemmings 3D CDROM is a mixed mode (data+redbook tr […]
Show full quote

I'm trying to run Lemmings 3D from a ISO file I just built with ImgBurn. The Lemmings 3D CDROM is a mixed mode (data+redbook tracks) cd.

When just mounting the actual cd like this, I have no problems running the game: MOUNT D D:\ -t cdrom -usecd 0 -ioctl -label LEMM3D

But when I try to mount my ISO file, it either hangs or gives the error 'Illgal GRP4 Call 5'. This is the command I use for the mount: imgmount D: <path to file>\LEMM3D.cue -t iso

Is this a problem with DosBox? Or is ImgBurn giving me a corrupted ISO? It gave no errors when reading the cd, and after the iso mount I can view the files on the D drive.

I cannot say if this is the cause of the error message, but a mixed mode CD cannot be imaged into an ISO file (CD audio tracks are out of scope of ISO9660 ) . Try with CUE BIN instead .

See also Re: Which software to preserve CDs?

Sorry, I missed that you were using a CUE file already (must have stopped reading when I saw ISO) . I think jmarsh likely has you covered as to the next steps .

Reply 5 of 8, by oli1980

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jmarsh wrote on 2022-03-04, 04:12:

Post the contents of the LEMM3D.cue file, and also tell which version/build of DOSBox you're using.

Here's the .CUE, DosBox version v0.74-3.

Also, I said 'iso file' but it's a .BIN file actually.

FILE "LEMM3D.BIN" BINARY
TRACK 01 MODE1/2352
INDEX 01 00:00:00
TRACK 02 AUDIO
PREGAP 00:02:00
INDEX 01 23:57:01
TRACK 03 AUDIO
INDEX 00 25:07:31
INDEX 01 25:09:31
TRACK 04 AUDIO
INDEX 00 26:10:20
INDEX 01 26:12:20
TRACK 05 AUDIO
INDEX 00 27:37:01
INDEX 01 27:39:01
TRACK 06 AUDIO
INDEX 00 29:00:55
INDEX 01 29:02:55
TRACK 07 AUDIO
INDEX 00 30:25:49
INDEX 01 30:27:49
TRACK 08 AUDIO
INDEX 00 31:50:74
INDEX 01 31:52:74
TRACK 09 AUDIO
INDEX 00 33:31:22
INDEX 01 33:33:22
TRACK 10 AUDIO
INDEX 00 35:15:34
INDEX 01 35:17:34
TRACK 11 AUDIO
INDEX 00 36:40:35
INDEX 01 36:42:35
TRACK 12 AUDIO
INDEX 00 38:11:03
INDEX 01 38:13:03
TRACK 13 AUDIO
INDEX 00 39:57:49
INDEX 01 39:59:49
TRACK 14 AUDIO
INDEX 00 41:31:73
INDEX 01 41:33:73
TRACK 15 AUDIO
INDEX 00 43:01:56
INDEX 01 43:03:56
TRACK 16 AUDIO
INDEX 00 44:24:48
INDEX 01 44:26:48
TRACK 17 AUDIO
INDEX 00 46:01:69
INDEX 01 46:03:69
TRACK 18 AUDIO
INDEX 00 47:15:01
INDEX 01 47:17:01
TRACK 19 AUDIO
INDEX 00 48:43:50
INDEX 01 48:45:50
TRACK 20 AUDIO
INDEX 00 50:10:06
INDEX 01 50:12:06
TRACK 21 AUDIO
INDEX 00 51:38:54
INDEX 01 51:40:54
TRACK 22 AUDIO
INDEX 00 53:05:66
INDEX 01 53:07:66
TRACK 23 AUDIO
INDEX 00 54:35:36
INDEX 01 54:37:36
TRACK 24 AUDIO
INDEX 00 56:03:13
INDEX 01 56:05:13

I tested the audio tracks using a dos cd player, those work fine.

The problem is in the data track it seems, I just noticed that the .EXE files in the directory listing are doubled..I added a screenshot of the ISO mount and the normal cdrom mount.
I also added the CD track info from ImgBurn.

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Reply 6 of 8, by ripsaw8080

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oli1980 wrote on 2022-03-04, 11:26:

The problem is in the data track it seems, I just noticed that the .EXE files in the directory listing are doubled.

The disc in question appears to contain associated files, which in most cases are Macintosh resource fork data. Lemmings 3D is a DOS game released in 1995, so the 2001 dates in the directory listing suggest the disc is re-authored rather than original, perhaps accounting for how resource fork data got into the file system. In any case, you will need an SVN build of DOSBox to avoid the issue when mounting the image with IMGMOUNT.

Reply 8 of 8, by krcroft

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oli1980, that build you picked is a fork.

Can you try ripsaw8080's suggestion using an SVN build, which is the successor to the original DosBox version v0.74-3 you mentioned initially using?

Filename is DOSBox r4471.7z, here: https://yesterplay.net/dosboxece/

EDIT: Sorry, make that DOSBox r4473.7z