INT 21 - TopWare Network OS v5.10+ - CALL TopShow FUNCTION                      
	AX = FF8Dh
	CH = monochrome flag (01h monochrome, 00h not monochrome)
	CL = screen mode of station to be viewed (see #02531)
	BL = graphic page number for monochrome
Return: AL = status (00h successful, else failed)
SeeAlso: AX=FF8Eh,AX=FFCFh


(Table 02531)
Values for TopWare screen mode:
 00h	text mode
 01h	720x348
 02h	640x408
 03h	720x352
 04h	640x390
 05h	reserved