* Cassette read, write, motor
* The signals /ROMEN, ROMDIS, /RAMRD, RAMDIS, CRTC CURSOR, EXP, Printer BUSY
* When a system cartridge is inserted (this has been verified with a yellow and a green labelled system cartridge), the copyright message and a Ready prompt is displayed. If the fire buttons or directions are pressed on the first digital joystick you see X,Z and the arrows displayed, the same as if you had pressed these buttons on a 464/6128 Plus or CPC. Pressing Pause displays "P".
== Specific Software for CPC+/GX4000 ==