INT 61 - Atari Portfolio - FORMAT CREDIT CARD MEMORY AH = 07h AL = drive number (00h = A:,01h = B:) Return: CF clear if successful CF set on error AH = error code (see #00234 at INT 13/AH=01h) Note: do not use this function to format the internal disk (drive number 02h) SeeAlso: AH=00h"Portfolio",AH=08h"Portfolio",AH=09h"Portfolio"