GRABBER
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'''GRABBER''' is a screen capture utility for DOS, developed by Gerald (Jerry) A. Monroe. | '''GRABBER''' is a screen capture utility for DOS, developed by Gerald (Jerry) A. Monroe. | ||
| − | Images are saved as self-displaying executable files. Older versions use [[DOS executable (.com)|COM]] format, while newer versions use [[MS-DOS EXE|EXE]]. The switch to EXE happened sometime between v3. | + | Images are saved as self-displaying executable files. Older versions use [[DOS executable (.com)|COM]] format, while newer versions use [[MS-DOS EXE|EXE]]. The switch to EXE happened sometime between v3.35 and v3.60. The default filenames for v3.x are "SCREEN00.EXE" (or "SCREEN00.COM"), "SCREEN01.EXE", etc. For v2.x, it's "SCREEN_A.COM", "SCREEN_B.COM", etc. |
== Identification == | == Identification == | ||
''Information based on minimal research. May not be correct for all files.'' | ''Information based on minimal research. May not be correct for all files.'' | ||
| − | COM | + | v2.10-2.20 (COM format): No readable signature. The first 16 bytes are |
| + | |||
| + | fb be 81 00 8a 4c ff 30 ed 09 c9 74 20 56 fc ac | ||
| + | |||
| + | v3.20 to 3.30 (COM format): There's a string at offset 5 that's either | ||
| + | |||
| + | All Code Copyright (C) 1988 Gerald A. Monroe | ||
| + | |||
| + | or | ||
| + | |||
| + | All Code Copyright (C) 1988, 1989 Gerald A. Monroe | ||
| + | |||
| + | v3.34-3.35 (COM format): There's a string at offset 5 that starts with | ||
| + | |||
| + | This file was created by GRABBER.COM Version | ||
EXE files have ASCII "{{magic|Created by GRABBER}}" at offset 49. | EXE files have ASCII "{{magic|Created by GRABBER}}" at offset 49. | ||
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** {{CdTextfiles|gigabytesw/001a/grabb3.zip|v3.3}} | ** {{CdTextfiles|gigabytesw/001a/grabb3.zip|v3.3}} | ||
** {{CdTextfiles|swextrav1993/disk1/grprogs/grabb334.zip|v3.34}} | ** {{CdTextfiles|swextrav1993/disk1/grprogs/grabb334.zip|v3.34}} | ||
| + | ** v3.35: [https://archive.org/details/RBBSIABOX RBBS in a Box - Ver 3.1, Number 1] → HDNO/GRABV335.ZIP | ||
** {{CdTextfiles|swextrav1993/disk1/grprogs/grabb360.zip|v3.60}} | ** {{CdTextfiles|swextrav1993/disk1/grprogs/grabb360.zip|v3.60}} | ||
** {{CdTextfiles|swextrav1993/disk1/grprogs/grabb387.zip|v3.87}} | ** {{CdTextfiles|swextrav1993/disk1/grprogs/grabb387.zip|v3.87}} | ||
Revision as of 22:45, 25 August 2024
GRABBER is a screen capture utility for DOS, developed by Gerald (Jerry) A. Monroe.
Images are saved as self-displaying executable files. Older versions use COM format, while newer versions use EXE. The switch to EXE happened sometime between v3.35 and v3.60. The default filenames for v3.x are "SCREEN00.EXE" (or "SCREEN00.COM"), "SCREEN01.EXE", etc. For v2.x, it's "SCREEN_A.COM", "SCREEN_B.COM", etc.
Identification
Information based on minimal research. May not be correct for all files.
v2.10-2.20 (COM format): No readable signature. The first 16 bytes are
fb be 81 00 8a 4c ff 30 ed 09 c9 74 20 56 fc ac
v3.20 to 3.30 (COM format): There's a string at offset 5 that's either
All Code Copyright (C) 1988 Gerald A. Monroe
or
All Code Copyright (C) 1988, 1989 Gerald A. Monroe
v3.34-3.35 (COM format): There's a string at offset 5 that starts with
This file was created by GRABBER.COM Version
EXE files have ASCII "Created by GRABBER" at offset 49.
Software
- GRABBER
The GRABBER distribution (at least v3.87+) includes utilities for converting to common formats such as GIF and PCX.
Sample files
- Versions 3.87 and earlier include some DEMO*.EXE or DEMO*.COM sample files.
- dexvert samples — image/grabber
