; TITLE "Z3GMDISK - Z3lib 4.0" NAME ('GETMDI') ;================================================================ ; The Libraries, Version 4, (C) 1989 by Alpha Systems Corp. ;---------------------------------------------------------------- ; Author : Harold F. Bower ; Derived from Z3GMDISK.Z80 Ver 1.1 by Richard Conn ; Date : 23 Jul 89 ; Version : 1.3 ; Module : Z3GMDISK ; Abstract: This module contains the routine GETMDISK which ; returns the maximum legal disk number (A = 1) ; Revision: ;- - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - ; Module Entry Points PUBLIC GETMDISK ; External References EXT @GET0 .Z80 CSEG ;=============================================================== ; NAME - GETMDISK ; Entry: - None ; Exit : A = disk # (A=1), Zero Flag Reset (NZ) if OK ; A = 0, Zero Flag Set (Z) if Error/Not Defined ; Uses : AF ; Special Requirements: None ;=============================================================== GETMDISK: PUSH HL PUSH DE LD DE,2CH ;pt to byte address JP @GET0 END