Commodore 128 - Enteri Ng CP; M Mode from; Switching between 40 and

Entering CP/M Mode From C128 Mode
• Select the required display (40 or 80 columns) using the 40 / 80 key
• Ensure that you are using the correct monitor for the display you have
selected,
or that the 1901 dual monitor is set up correctly for this (see the
1901 's user manual)
• Ensure that the disk drive
is switched on
• I nsert the CP / M Plus 3.0 System Disk into the disk drive
• Type BOOT
and press RETURN
CP / M Plus 3.0 is then booted (loaded) into the computer. After the initial
display, the
CP / M prompt A> appears. This tells you that CP / M is ready to
accept commands entered through the keyboard.
Switching Between
40 And 80 Columns in CP/M Mode
If you are using an RGBI monitor together with a TV set or composite
monitor, or
if you are using the 1901 dual monitor, you can switch between
40 and 80 column displays. To do this, set the 40/ 80 key to the required
number of columns.
If you are using the 1901 dual monitor, set this to the
correct setting for the display you have selected (see the
1901 's user
manual). Ensure that the disk drive
is switched on , that the CP / M Plus
System Disk
is in the drive and then press the Reset Switch. CP / M Plus 3.0
is rebooted.
Note that using this method destroys any information
in the computer's
memory unle
ss that data is first saved.
Leaving
CP/M Mode
To leave
CP/M Mode, remove the CP/M Plus System Disk from the disk
drive and switch off the computer. C64 Mode can then be selected as
described
on page 24. To leave CP / M Mode and enter C128 Mode, remove
the
CP/M Plus System Disk from the disk drive and press the Reset Switch.
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