HOW TO COPY YOUR CP/M 3.0 DISK
Before doing anything else you should back-up your CP/M
system disk. This can be done using either one or two disk drives.
If using two drives these may be 1541 s, 1571 s, or one of each.
The back-up disks can be new or used. You can either format
new disks, or reformat used disks. To make back-ups use the
FORMAT and PIP utility programs found on your CP/M system
disk.
1) Format the diskette using the FORMAT program, as either
C128 single sided (if using a 1541) or C128 double sided (if
using a 1571). (The C64 single sided option is for formatting
disks compatible with the CP/M 2.2 package once sold for
the Commodore 64.)
Enter the command FORMAT, select the required disk type
with the Cursor Down key, press RETURN, and follow the
onscreen instructions. Press Y (Yes) or N (No) in response
to the ‘Do you want to format another disk’ question.
2) Use the Peripheral Interchange Program (PIP) - on the
second surface of the original disk - to copy files. Enter PIP
and the usual system prompt (A>) will be replaced by the
PIP prompt (*).
If you have a single disk drive use drive A as the source drive
and drive E as the destination drive. Drive E is referred to as a
virtual drive - that is, it does not exist as an actual piece of
hardware. Put the disk to be copied from in the drive and enter
E:=A:*.* (you will be prompted each time the source disk and the
destination disk have to be swopped).
If you have two disk drives, put the source disk in drive A (which
is device 8) and the newly formatted disk in drive B (device 9 -
set by putting the left DIP switch on the back of the 1571 down
while the drive is switched off) and enter B:=A:* .* to copy all the
files.
Your original CP/M disk is a flippy - i.e. recorded as 2 single
sides, so it must be taken out of the drive and turned over to get
at the second side. This is required for use in a 1541, which is a
single sided disk drive. If you have a 1541 you should copy the 2
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