MZ is back!HEADmain

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diff --git a/v4.0/src/MAPPER/PUTMSG.ASM b/v4.0/src/MAPPER/PUTMSG.ASM
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+page 60,132
+
+title CP/DOS  DOSPutMessage  mapper
+
+dosxxx  segment byte public 'dos'
+        assume  cs:dosxxx,ds:nothing,es:nothing,ss:nothing
+;
+; ************************************************************************* *
+; *
+; *      MODULE: DosPutMessage
+; *
+; *      FILE NAME: dos035.asm
+; *
+; *      FUNCTION:   diplay message
+; *
+; *      CALLING SEQUENCE:
+; *
+; *             push    handle          ; file handle
+; *             push    messlgth        ; message length
+; *             push    messbuff        ; message buffer
+; *             call    dosputmessage
+; *
+; *      RETURN SEQUENCE:   AX = return code
+; *
+; *
+; *
+; *      MODULES CALLED:     INT 21H  function 4
+; *
+; *************************************************************************
+
+        public  dosputmessage
+        .sall
+        .xlist
+        include macros.inc
+        .list
+
+str     struc
+old_bp  dw      ?
+return  dd      ?
+MessagePtr      dd      ?       ; message pointer
+MessageLength   dw      ?       ; message length
+Handle          dw      ?       ; file handle
+str     ends
+
+dosputmessage proc   far
+
+        Enter   dosputmessage                 ; save registers
+
+        mov     bx,[bp].Handle                ; get handle
+        mov     cx,[bp].MessageLength         ; get message length
+        lds     dx,[bp].MessagePtr            ; setup message buffer
+
+        mov     ah,40h                        ; load opcode
+        int     21h                           ; display message
+        jc      ErrorExit                     ; jump if error
+
+        xor     ax,ax                         ; else set good return code
+
+ErrorExit:
+        Mexit                                 ; pop registers
+        ret     size str - 6                  ; return
+
+dosputmessage  endp
+
+dosxxx  ends
+
+        end