Software for DOS and FreeDOS

Gert-Jan C. Lokhorst

2008

BLACKOUT.EXE Device Driver / Executable Program

blackout.zip: No CONFIG.SYS/AUTOEXEC.BAT screen output (with ASM source code)

BLACKOUT.EXE (C) Dr. GJC Lokhorst 02/16/1993
Suppresses messages from CONFIG.SYS and AUTOEXEC.BAT
Tested with MS-DOS 3.3 - 5.0
USAGE:
First line of CONFIG.SYS:
  device=[drive:][directory]blackout.exe
Disables int 29h (DOS fast screen output)
Last line of AUTOEXEC.BAT:
  [drive:][directory]blackout.exe
Reenables int 29h (DOS fast screen output)

blackout.zip

This program has been included in FreeDOS since March 4, 1997

SS_80B.COM: TSR Screen Saver

ss_80b.zip: VGA/Hercules screen saver, configurable, uses only 80 bytes of memory when installed (with ASM source code)

SS_80B
A screen saver which uses only 80 bytes of memory.
(C) Dr GJC Lokhorst 16 Feb 93.
Tested with Hercules/VGA cards, MS-DOS 3.3 - 5.0
Usage: SS_80B [nn][*][-][!]
Meaning: minutes, remove, suspend, immediate

ss_80b.zip


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