c $BED7 Blanks out the game prompt line by printing game message 1 (32 spaces to blank out the prompt, e.g. when the wizard chooses a spell and before asking "ILLUSION Y/N?")
C $BED7 preserve AF, DE, HL, BC
C $BEDB load A with one (i.e. first game message)
C $BEDD set print coordinates to 0,22
C $BEE0 call MPRINT to display the message based on value in A
C $BEE3 restore BC, HL, DE, AF
C $BEE7 return