[[TFM]] has written ROMManager which can create these accessory ROMs and he provides downloads on his website for some that he has made himself.
=== Commands ===
All commands are in ROM 1.
* |CPMVER and |VER - This shows:
"
CPM PLUS is copyright : -
AMSTRAD CONSUMER ELECTRONICS PLC. &
DIGITAL RESEARCH.
CPM ROM by Graduate software.
This rom is version 2.23 : -
SERIAL NUMBER : 1232-GRAD102
OWNER : <name>
"
<name> is the person who the rom was made for.
* |MYNAME shows:
<name> same as in CPMVER
* |OHELP or |EMSHELP - This shows:
"
CPM PLUS : Accessory Roms attached
"
It lists the names of the attached accessory ROMs.
* |EMS - starts CPM+ from ROM
* |PASSWORD - this gives a "?" prompt and asks you to enter the password.
=== Structure of a utility ROM ===