DGROUP	GROUP	DATA
;----------------------------------------------------------------------+
;  Revision : Jan. 04, 1984  File "ZIO.A86"                            +
;  	Use Rom BIOS printer output for PC DOS, add Patch area for     +
;       Printer Port Address for Interrupt 17.                         +
;----------------------------------------------------------------------+
	Dseg
	Public	Patch_area, Print_port

;	Port Address for the PC DOS ROM BIOS printer output function
;	This port address may be patched by graphics install utility
;	to redirect the printer port to use (0, 1, 2).

Patch_area	Db	'zyxg'		; Patch Area Indicator string
Print_port	Dw	0

	Cseg

	End