Just wondering if anybody out there has a copy of Mdrive.com for the Compupro Mdrive-H. This was the driver for S100 computers other than Compupro's own machines which had the driver incorporated into the BIOS. One made space for mdrive.com above CP/M and just loaded it. Very simple. I have Mform.com which formats the ramdrive but it would be nice not to have to rewrite the bios. I have several S100 computers and could then use the board on any of them.
INSTALLING M-DRIVE/H DRIVERS IN OTHER CP/M SYSTEMS
To install the M-DRIVE/H drivers in other CP/M systems, copy the files
"MDRIVE.COM" and "MFORM.COM" onto your system disk. You must now make some
room for the new drivers above your current CP/M. Currently, the M-DRlVE/H
drivers and buffers take about 1K (1024) bytes. This means that your must
make a CP/M 1K less than the amount of memory available in your system. If
you do not know how to move your CP/M down, see your system manual. The
required program is usually called "MOVCPM".
Once you have 1K of room at the top of memory, each time you boot your
system, you must call the MDRIVE program. The format of the MDRIVE command is
as follows:
MDRIVE -DRIVE DESIGNATOR ADDRESS
Where DRIVE DESIGNATOR is the let ter of the logical drive you want the
memory drive to respond to (A-P), and ADDRESS is the address in hex of the end
of your CP /M, or the TOP of your memory minus IK. See table I to determine
what hex address you should use for different memory sizes.
TABLE 1
Amount of memory Hex address to use size CPM to make
64K FCOO 63K
60K ECOO 59K
56K DCOO 55K
52K CCOO 5IK