1.\" $NetBSD: topcat.4,v 1.8 2024/05/01 19:34:19 tsutsui Exp $ 2.\" 3.\" Copyright (c) 1990, 1991, 1993 4.\" The Regents of the University of California. All rights reserved. 5.\" 6.\" This code is derived from software contributed to Berkeley by 7.\" the Systems Programming Group of the University of Utah Computer 8.\" Science Department. 9.\" 10.\" Redistribution and use in source and binary forms, with or without 11.\" modification, are permitted provided that the following conditions 12.\" are met: 13.\" 1. Redistributions of source code must retain the above copyright 14.\" notice, this list of conditions and the following disclaimer. 15.\" 2. Redistributions in binary form must reproduce the above copyright 16.\" notice, this list of conditions and the following disclaimer in the 17.\" documentation and/or other materials provided with the distribution. 18.\" 3. Neither the name of the University nor the names of its contributors 19.\" may be used to endorse or promote products derived from this software 20.\" without specific prior written permission. 21.\" 22.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32.\" SUCH DAMAGE. 33.\" 34.\" from: @(#)tc.4 8.1 (Berkeley) 6/9/93 35.\" 36.Dd May 1, 2024 37.Dt TOPCAT 4 hp300 38.Os 39.Sh NAME 40.Nm topcat 41.Nd 42.Tn HP98544 4398550 44.Dq Topcat 45and 46.Dq Catseye 47device interface 48.Sh SYNOPSIS 49.Cd "topcat* at intio?" 50.Cd "topcat* at dio? scode ?" 51.Cd "wsdisplay* at topcat?" 52.Sh DESCRIPTION 53This driver is for the 54.Tn HP98544 , 5598545, 98542, 98543, and 98547 56.Dq Topcat 57and 58.Tn HP98548 , 5998549, and 98550 60.Dq Catseye 61display cards. 62This driver merely checks for the existence of the device 63and does minimal setup, as it is expected the applications will initialize 64the device to their requirements. 65The Topcat and Catseye are nearly identical in common usage and only the 66Topcat will be referred to from now on. 67.Pp 68The Topcat display cards are not user configurable. 69If one is present on a system, it will always have a frame buffer 70address of 0x200000 and a control register address of 0x560000. 71These are the 72.Tn HP 73series 300 74.Tn ITE 75(Internal 76Terminal Emulator) defaults. 77The device can also be used as a graphics output 78device. 79.Sh SEE ALSO 80.Xr wscons 4 , 81.Xr wsdisplay 4 82