Path: utzoo!attcan!uunet!ncrlnk!ncrcae!hubcap!gatech!ukma!xanth!mcnc!rti!sunpix!matthew
From: matthew@sunpix.UUCP ( Sun NCAA)
Newsgroups: comp.sys.ibm.pc
Subject: Re: Game ports on an AT
Summary: from the interupt list posted awhile back...
Message-ID: <411@greens.UUCP>
Date: 10 Mar 89 21:18:07 GMT
References: <856@rpi.edu>
Organization: Sun Microsystems, Research Triangle Park, NC
Lines: 20


#Could someone please send me information on the interrupt to use on an AT to
#access the game port?


INT 15 - SYSTEM - READ JOYSTICK (AT,XT2,XT286,PS)
	AH = 84h
	DX = subservice
	     0 get switch settings
	       return: AL = switch settings (bits 7-4)
	     1 read joystic inputs
	       return: AX = A(x) value.
	       return: BX = A(y) value.
	       return: CX = B(x) value.
	       return: DX = B(y) value.
-- 
Matthew Lee Stier                         |
Sun Microsystems ---  RTP, NC  27709-3447 |        "Wisconsin   Escapee"
uucp: { sun, mcnc!rti }!sunpix!matthew    |
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