/* $NetBSD: video.h,v 1.10 2023/03/25 21:51:12 andvar Exp $ */ /* * Copyright (c) 1995 Leo Weppelman. * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _MACHINE_VIDEO_H #define _MACHINE_VIDEO_H /* * Access to circuitry for video */ #define VIDEO ((struct video *)AD_VIDEO) struct video { volatile char vdb[14]; /* sparsely filled */ volatile u_short vd_line_wide; /* Falcon line word distance */ volatile u_short vd_vert_wrap; /* Falcon line length */ volatile char vd_fill0[45]; /* filler */ volatile u_short vd_st_rgb[16]; /* RGB for simultaneous colors (ST)*/ volatile u_char vd_st_res; /* ST resolution */ volatile char vd_fill1; /* filler */ volatile u_short vd_tt_res; /* TT-resolution mode */ volatile u_char vd_ste_hscroll; /* MEGA STe hor bitwise scroll */ volatile u_short vd_fal_res; /* Falcon resolution */ volatile char vd_fill2[23]; volatile u_short vd_h_hold_cnt; /* Falcon horizontal hold counter */ volatile u_short vd_h_hold_tim; /* Falcon horizontal hold timer */ volatile u_short vd_h_bord_beg; /* Falcon horizontal border begin */ volatile u_short vd_h_bord_end; /* Falcon horizontal border end */ volatile u_short vd_h_dis_beg; /* Falcon horizontal display begin */ volatile u_short vd_h_dis_end; /* Falcon horizontal display end */ volatile u_short vd_h_ss; /* Falcon horizontal SS */ volatile u_short vd_h_fs; /* Falcon horizontal FS */ volatile u_short vd_h_hh; /* Falcon horizontal HH */ volatile char vd_fill3[13]; volatile u_short vd_v_freq_cnt; /* Falcon vertical frequency count */ volatile u_short vd_v_freq_tim; /* Falcon vertical frequency timer */ volatile u_short vd_v_bord_beg; /* Falcon vertical border begin */ volatile u_short vd_v_bord_end; /* Falcon vertical border end */ volatile u_short vd_v_dis_beg; /* Falcon vertical display begin */ volatile u_short vd_v_dis_end; /* Falcon vertical display end */ volatile u_short vd_v_ss; /* Falcon vertical SS */ volatile char vd_fill4[17]; volatile u_short vd_fal_ctrl; /* Falcon video control */ volatile u_short vd_fal_mode; /* Falcon video mode */ volatile char vd_fill5[315]; volatile u_short vd_tt_rgb[256]; /* RGB for simultaneous TT colors */ volatile char vd_fill6[4608]; volatile u_long vd_fal_rgb[256];/* RGB for Falcon colors */ }; #define vd_ramh vdb[ 1] /* base address Video RAM, high byte */ #define vd_ramm vdb[ 3] /* base address Video RAM, mid byte */ #define vd_raml vdb[13] /* base address Video RAM, low byte */ #define vd_ptrh vdb[ 5] /* scan address Video RAM, high byte */ #define vd_ptrm vdb[ 7] /* scan address Video RAM, mid byte */ #define vd_ptrl vdb[ 9] /* scan address Video RAM, low byte */ #define vd_sync vdb[10] /* synchronization mode */ /* bits in vd_sync: */ #define SYNC_EXT 0x01 /* extern sync */ #define SYNC_50 0x02 /* 50 Hertz (used for color) */ /* bits in vd_st_rgb[]: */ #define RGB_B 0x0007 #define RGB_G 0x0070 #define RGB_R 0x0700 /* some values for vd_st_rgb[]: */ #define RGB_BLACK 0x0000 #define RGB_RED 0x0700 #define RGB_GREEN 0x0070 #define RGB_BLUE 0x0007 #define RGB_WHITE 0x0777 #define RGB_MAGENTA 0x0707 #define RGB_CYAN 0x0077 #define RGB_YELLOW 0x0770 #define RGB_LGREY 0x0555 #define RGB_DGREY 0x0222 /* values for vd_st_res: */ #define RES_LOW 0x00 /* 320x200, 16 colors */ #define RES_MID 0x01 /* 640x200, 4 colors */ #define RES_HIGH 0x02 /* 640x400, monochrome */ /* masks for vd_tt_res: */ #define RES_STLOW 0x0000 /* 320x200, 16 colors */ #define RES_STMID 0x0100 /* 640x200, 4 colors */ #define RES_STHIGH 0x0200 /* 640x400, monochrome */ #define RES_TTMID 0x0400 /* 640x480, 16 colors */ #define RES_TTHIGH 0x0600 /* 1280x960, monochrome */ #define RES_TTLOW 0x0700 /* 320x480, 256 colors */ #define TT_PALLET 0x000f /* Palette number */ #define TT_HYMONO 0x8000 /* Hyper mono mode */ #define TT_SHOLD 0x1000 /* Sample/hold mode */ /* The falcon video modes */ #define RES_FALAUTO 0 /* Falcon resolution detected at boot */ #define RES_VGA2 1 /* 640x480, 2 colors */ #define RES_VGA4 2 /* 640x480, 4 colors */ #define RES_VGA16 3 /* 640x480, 16 colors */ #define RES_VGA256 4 /* 640x480, 256 colors */ #define RES_DIRECT 5 /* 320x200, 65536 colors */ #define RES_FAL_STLOW 6 /* 320x200, 16 colors */ #define RES_FAL_STMID 7 /* 640x200, 4 colors */ #define RES_FAL_STHIGH 8 /* 640x400, 2 colors */ #define RES_FAL_TTLOW 9 /* 320x480, 256 colors */ /* Falcon monitor types */ #define FAL_SM 0x0000 #define FAL_SC 0x0100 #define FAL_VGA 0x0200 #define FAL_TV 0x0300 #endif /* _MACHINE_VIDEO_H */