home
***
CD-ROM
|
disk
|
FTP
|
other
***
search
/
United Public Domain Gold 2
/
United Public Domain Gold 2.iso
/
utilities
/
pu328.dms
/
pu328.adf
/
Degrader
/
Degrader.doc.pp
/
Degrader.doc
Wrap
Text File
|
1992-11-02
|
3KB
|
78 lines
Degrader V1.00 © 1991 Chris Hames. Freely distributable.
---------------------------------------------------------
You upgrade your system and what happens? The idiots who wrote your
favourite program didn't follow the guidelines and it no longer works. This
is where degrader comes in, it will try to degrade your system so that the
old brain dead program will work on your machine. You can also just use it
to boot off floppy drives other than DF0: or force your machine to PAL or
NTSC.
When you run the program you are presented with various option
buttons which you can toggle on(down & highlighted)/off:-
NOFASTMEMORY - So programs can't allocate fast memory.
NOCACHE & NOBURST - For people with 68020/68030 turns these modes off.
PRIVILEGE ERRORS - Intercepts instructions (move.w SR,d?) that are
privileged on processors above 68000.
512K CHIP ONLY - For programs which fail with more than 512k chip.
1Meg CHIP ONLY - For programs which fail with more than 1 meg chip.
FORCE PAL - Kickstart 1.2/1.3 way to force machine to PAL.
FORCE NTSC - Kickstart 1.2/1.3 way to force machine to NTSC.
DF0: is -> DF0:
DF1: is -> DF1:
DF2: is -> DF2:
DF3: is -> DF3: - Use these to swap drives around. Set a drive to
DF4: to make it unuseable. Hence it won't take
up precous chip memory.
DEVICE TO BLOCK - Give a device name that you don't want to be
opened. Eg scsi.device would stop the hard drive
that uses that device from being used.
The most common way to get a brain dead game to work is to turn on
NOFASTMEMORY
NOCACHE & NOBURST
PRIVILEGE ERRORS
and to set every drive to DF4: except for DF0:.
After you have selected the options you want you have a choice of
two buttons at the bottom of the screen. To survive one reset only or to
survive resets until the left mouse button is held down at reset. After
either selection your machine will reboot and at reset time your screen will
go blue. It will go read if you switch off the program at reset with the
left mouse button.
Please note this program uses the KickTagPtr and sometimes patches
LVOOpenDevice, LVOAllocMem, LVOAvailMem so good virus detectors(like mine :)
will give you warnings.
This program may be copied as long as it is accompanied by this doc file
both unaltered & no money is charged(except for a reasonable copying fee
such as what Fred Fish charges). All use of this program is at your own
risk & I assume no responsibility or liability for any problems that occur.
If you want to contact me to give me a porsche or similar,
Chris Hames
Internet: ins760z@monu4.cc.monash.edu.au (1991 only)
bytey@phoenix.pub.uu.oz.au
Fido Net: 3:633/353