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Frostbyte's 1980s DOS Shareware Collection
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USCX
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MEMDRV.DOC
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1985-05-11
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65 lines
#: 23905 Sec. 4 - Programming
Sb: #MORRAM
01-Jan-84 22:00:54
Fm: Tom Perry 70455,751
To: 71445,1006 (X)
Hey, your program is neat! I downloaded it yesterday (i.e., last year)
and installed it and it works fine.
EXCEPT (of course) for one thing. My CONFIG.SYS file installs
a memory disk program of size 180K. When switches are set for 64K, RAM
runs out and the command interpreter never gets loaded and the AUTOEXEC
file never gets run so MORRAM gets no chance to fix things....
So I put a front end on your code to make it into a device
driver. That way it gets run earlier, too. I put it first in my
CONFIG file and that saves even more time. The only thing I had to
change in your code was your reference to the PSP+2, which of course is
not there at device-driver-install time; I made it a call to BIOS INT
12H instead and did the appropriate shifting. Works fine.
(The only puzzling thing is that with the MORRAM code installed
as a character device driver, the KEYSWAPPER program from
Vertex/Rickerdata hangs the system. Strange! I may make it a block
device, though I hate to use up a drive letter on it.....)
If you don't object I'll put the device driver version up here
with appropriate credit to you + mods by me. Okay by you?
#: 23936 Sec. 4 - Programming
Sb: #23905-#MORRAM
02-Jan-84 05:23:26
Fm: Wes Gray 71445,1006
To: Tom Perry 70455,751 (X)
Tom: Your changes sound good. However, please credit Dan O'Brien who is
the author. I only uploaded it here because it was a useful program. I
will pass along your copy to Dan. Wes
*** There is a reply:
23941
#: 23941 Sec. 4 - Programming
Sb: #23936-#MORRAM
02-Jan-84 09:05:26
Fm: Tom Perry 70455,751
To: Wes Gray 71445,1006 (X)
Okay, Wes. By the way, the problem I mentioned in parentheses
(concerning my Vertex/Rickerdata KEYSWAPPER program not working) had
nothing to do with MORRAM; the villain is BUF128, which changes several
interrupt vectors without regard for what they were before.
I would like to put this program up on some other bulletin
boards I frequent. I gather that is not a problem -- it seems to be
public domain, right? thanks, tom
*** There is a reply:
24015
#: 24015 Sec. 4 - Programming
Sb: #23941-MORRAM
02-Jan-84 18:27:11
Fm: Wes Gray 71445,1006
To: Tom Perry 70455,751 (X)
Tom: It is public domain, and Dan appreciates people spreading it
around. Wes