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001 /* Copyright (C) 2004 David Decotigny 001 /* Copyright (C) 2004 David Decotigny 002 Copyright (C) 1999 Free Software Foundatio << 003 002 004 This program is free software; you can redi 003 This program is free software; you can redistribute it and/or 005 modify it under the terms of the GNU Genera 004 modify it under the terms of the GNU General Public License 006 as published by the Free Software Foundatio 005 as published by the Free Software Foundation; either version 2 007 of the License, or (at your option) any lat 006 of the License, or (at your option) any later version. 008 007 009 This program is distributed in the hope tha 008 This program is distributed in the hope that it will be useful, 010 but WITHOUT ANY WARRANTY; without even the 009 but WITHOUT ANY WARRANTY; without even the implied warranty of 011 MERCHANTABILITY or FITNESS FOR A PARTICULAR 010 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 012 GNU General Public License for more details 011 GNU General Public License for more details. 013 012 014 You should have received a copy of the GNU 013 You should have received a copy of the GNU General Public License 015 along with this program; if not, write to t 014 along with this program; if not, write to the Free Software 016 Foundation, Inc., 59 Temple Place - Suite 3 015 Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, 017 USA. 016 USA. 018 */ 017 */ 019 #ifndef _SOS_X86_VIDEOMEM_H_ 018 #ifndef _SOS_X86_VIDEOMEM_H_ 020 #define _SOS_X86_VIDEOMEM_H_ 019 #define _SOS_X86_VIDEOMEM_H_ 021 020 022 /** 021 /** 023 * @file x86_videomem.h 022 * @file x86_videomem.h 024 * 023 * 025 * On x86 PC platforms, the text mode screen m 024 * On x86 PC platforms, the text mode screen memory (and CGA/EGA/VGA 026 * too) is mapped into physical memory. This f 025 * too) is mapped into physical memory. This file handles access to 027 * this screen, supposed to be set in text-mod 026 * this screen, supposed to be set in text-mode, through this memory 028 * area. All the functions below print the cha 027 * area. All the functions below print the characters directly to the 029 * memory, without interpreting the escaped ch 028 * memory, without interpreting the escaped characters (such as \n, 030 * \r...) 029 * \r...) 031 */ 030 */ 032 031 033 #include <sos/errno.h> 032 #include <sos/errno.h> 034 033 035 /** 034 /** 036 * x86 video attributes 035 * x86 video attributes 037 * See http://webster.cs.ucr.edu/AoA/DOS/ch23/ 036 * See http://webster.cs.ucr.edu/AoA/DOS/ch23/CH23-1.html 038 */ 037 */ 039 /* Normal and Dark/Light foreground */ 038 /* Normal and Dark/Light foreground */ 040 #define SOS_X86_VIDEO_FG_BLACK 0 039 #define SOS_X86_VIDEO_FG_BLACK 0 041 #define SOS_X86_VIDEO_FG_DKGRAY 8 040 #define SOS_X86_VIDEO_FG_DKGRAY 8 042 #define SOS_X86_VIDEO_FG_BLUE 1 041 #define SOS_X86_VIDEO_FG_BLUE 1 043 #define SOS_X86_VIDEO_FG_LTBLUE 9 042 #define SOS_X86_VIDEO_FG_LTBLUE 9 044 #define SOS_X86_VIDEO_FG_GREEN 2 043 #define SOS_X86_VIDEO_FG_GREEN 2 045 #define SOS_X86_VIDEO_FG_LTGREEN 10 044 #define SOS_X86_VIDEO_FG_LTGREEN 10 046 #define SOS_X86_VIDEO_FG_CYAN 3 045 #define SOS_X86_VIDEO_FG_CYAN 3 047 #define SOS_X86_VIDEO_FG_LTCYAN 11 046 #define SOS_X86_VIDEO_FG_LTCYAN 11 048 #define SOS_X86_VIDEO_FG_RED 4 047 #define SOS_X86_VIDEO_FG_RED 4 049 #define SOS_X86_VIDEO_FG_LTRED 12 048 #define SOS_X86_VIDEO_FG_LTRED 12 050 #define SOS_X86_VIDEO_FG_MAGENTA 5 049 #define SOS_X86_VIDEO_FG_MAGENTA 5 051 #define SOS_X86_VIDEO_FG_LTMAGENTA 13 050 #define SOS_X86_VIDEO_FG_LTMAGENTA 13 052 #define SOS_X86_VIDEO_FG_BROWN 6 051 #define SOS_X86_VIDEO_FG_BROWN 6 053 #define SOS_X86_VIDEO_FG_YELLOW 14 052 #define SOS_X86_VIDEO_FG_YELLOW 14 054 #define SOS_X86_VIDEO_FG_LTGRAY 7 053 #define SOS_X86_VIDEO_FG_LTGRAY 7 055 #define SOS_X86_VIDEO_FG_WHITE 15 054 #define SOS_X86_VIDEO_FG_WHITE 15 056 /* Background */ 055 /* Background */ 057 #define SOS_X86_VIDEO_BG_BLACK (0 << 4) 056 #define SOS_X86_VIDEO_BG_BLACK (0 << 4) 058 #define SOS_X86_VIDEO_BG_BLUE (1 << 4) 057 #define SOS_X86_VIDEO_BG_BLUE (1 << 4) 059 #define SOS_X86_VIDEO_BG_GREEN (2 << 4) 058 #define SOS_X86_VIDEO_BG_GREEN (2 << 4) 060 #define SOS_X86_VIDEO_BG_CYAN (3 << 4) 059 #define SOS_X86_VIDEO_BG_CYAN (3 << 4) 061 #define SOS_X86_VIDEO_BG_RED (4 << 4) 060 #define SOS_X86_VIDEO_BG_RED (4 << 4) 062 #define SOS_X86_VIDEO_BG_MAGENTA (5 << 4) 061 #define SOS_X86_VIDEO_BG_MAGENTA (5 << 4) 063 #define SOS_X86_VIDEO_BG_BROWN (6 << 4) 062 #define SOS_X86_VIDEO_BG_BROWN (6 << 4) 064 #define SOS_X86_VIDEO_BG_LTGRAY (7 << 4) 063 #define SOS_X86_VIDEO_BG_LTGRAY (7 << 4) 065 /* Blinking */ 064 /* Blinking */ 066 #define SOS_X86_VIDEO_FG_BLINKING (1 << 7) 065 #define SOS_X86_VIDEO_FG_BLINKING (1 << 7) 067 066 068 067 069 /** Setup the video RAM mapping and clear the 068 /** Setup the video RAM mapping and clear the screen */ 070 sos_ret_t sos_x86_videomem_setup(void); 069 sos_ret_t sos_x86_videomem_setup(void); 071 070 072 /** Clears the screen and set the background c 071 /** Clears the screen and set the background color as given by 073 attribute */ 072 attribute */ 074 sos_ret_t sos_x86_videomem_cls(unsigned char a 073 sos_ret_t sos_x86_videomem_cls(unsigned char attribute); 075 074 076 /** Print the string on the scren with the giv 075 /** Print the string on the scren with the given attribute. Does not 077 handle scrolling */ 076 handle scrolling */ 078 sos_ret_t sos_x86_videomem_putstring(unsigned 077 sos_ret_t sos_x86_videomem_putstring(unsigned char row, unsigned char col, 079 unsigned 078 unsigned char attribute, 080 const cha 079 const char *str); 081 080 082 /** Print the character on the scren with the 081 /** Print the character on the scren with the given attribute. Does not 083 handle scrolling */ 082 handle scrolling */ 084 sos_ret_t sos_x86_videomem_putchar(unsigned ch 083 sos_ret_t sos_x86_videomem_putchar(unsigned char row, unsigned char col, 085 unsigned ch 084 unsigned char attribute, 086 unsigned ch 085 unsigned char c); 087 086 088 /** 087 /** 089 * Print the formatted string. Very restricted 088 * Print the formatted string. Very restricted version of printf(3): 090 * 1/ can print max 255 chars, 2/ supports onl 089 * 1/ can print max 255 chars, 2/ supports only %d/%i, %c, %s, %x 091 * without any support for flag charachters (e 090 * without any support for flag charachters (eg %08x). 092 */ 091 */ 093 sos_ret_t sos_x86_videomem_printf(unsigned cha 092 sos_ret_t sos_x86_videomem_printf(unsigned char row, unsigned char col, 094 unsigned cha 093 unsigned char attribute, 095 const char * 094 const char *format, /* args */...) 096 __attribute__ ((format (printf, 4, 5))); 095 __attribute__ ((format (printf, 4, 5))); 097 096 098 #endif /* _SOS_X86_VIDEOMEM_H_ */ 097 #endif /* _SOS_X86_VIDEOMEM_H_ */
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