PUBLIC MXWRITEMODE MX_TEXT SEGMENT PARA PUBLIC USE16 'CODE' ASSUME CS:MX_TEXT, DS:DGROUP, SS:DGROUP MXWRITEMODE: push bp mov bp,sp sub sp,0 mov dx,3ceH mov ah,byte ptr 6[bp] and ah,3 or ah,40H mov al,5 out dx,ax mov sp,bp pop bp retf 2 MX_TEXT ENDS END