INT 2F - DOS 3.0+ internal - FLUSH BUFFER AX = 1215h DS:DI -> disk buffer SS = DOS DS (must be using a DOS internal stack) STACK: WORD drives for which to skip buffer ignore buffer if drive same as high byte, or bytes differ and the buffer is for a drive OTHER than that given in low byte Return: STACK unchanged Note: can be called only from within DOS SeeAlso: AX=1209h