summaryrefslogtreecommitdiffstats
path: root/c/src/lib/libbsp/i386/pc386/include/crt.h
diff options
context:
space:
mode:
authorJoel Sherrill <joel.sherrill@OARcorp.com>1998-05-21 16:46:05 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1998-05-21 16:46:05 +0000
commit941f6f3c5e4e6590c0e9de15ecc00e5fd9813484 (patch)
tree457da56f849f18df97639b1d16c7e98d31e28212 /c/src/lib/libbsp/i386/pc386/include/crt.h
parentPer patch from Ralf Corsepius removed redundant lines. (diff)
downloadrtems-941f6f3c5e4e6590c0e9de15ecc00e5fd9813484.tar.bz2
New file from Eric Valette
Diffstat (limited to 'c/src/lib/libbsp/i386/pc386/include/crt.h')
-rw-r--r--c/src/lib/libbsp/i386/pc386/include/crt.h101
1 files changed, 101 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/i386/pc386/include/crt.h b/c/src/lib/libbsp/i386/pc386/include/crt.h
new file mode 100644
index 0000000000..dc960da80a
--- /dev/null
+++ b/c/src/lib/libbsp/i386/pc386/include/crt.h
@@ -0,0 +1,101 @@
+/*
+ * crt.h - This file contains definitions for constants related to PC console.
+ * More information can be found at
+ * <http://millenium.atcg.com/~taco/helppc/tables.html>
+ *
+ * Copyright (C) 1998 valette@crf.canon.fr
+ *
+ * Canon Centre Recherche France.
+ *
+ * This code is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU Library General Public
+ * License as published by the Free Software Foundation; either
+ * version 2 of the License, or (at your option) any later version.
+ *
+ * This code is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * Library General Public License for more details.
+ *
+ * You should have received a copy of the GNU Library General Public
+ * License along with this library; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ * $Header$
+ */
+
+#ifndef _CRT_H
+#define _CRT_H
+
+/*
+ * Bitmap video origins in text mode.
+ */
+
+ /* In monochrome */
+#define V_MONO 0xb0000
+ /* In color */
+#define V_COLOR 0xb8000
+
+
+/*
+ * Video Option Byte location. It must be maintained
+ * by the BIOS.
+ */
+#define VIDEO_MODE_ADDR 0x449
+/*
+ * Video controller base IO address location in
+ * BIOS data area
+ */
+#define DISPLAY_CRT_BASE_IO_ADDR 0x463
+/*
+ * Number of collums and lines locations for the
+ * actual video Configuration
+ */
+#define NB_MAX_COL_ADDR 0x44a
+#define NB_MAX_ROW_ADDR 0x484
+
+ /*
+ * Miscellaneous information set by the BIOS in offset video_mode,
+ */
+
+# define VGAMODE7 0x7 /* VGA mode 7 */
+
+ /* Color codes in text mode for background and foreground. */
+#define BLACK 0x0
+#define BLUE 0x1
+#define GREEN 0x2
+#define CYAN 0x3
+#define RED 0x4
+#define MAGENTA 0x5
+#define BROWN 0x6
+#define WHITE 0x7
+
+#define GRAY 0x8
+#define LT_BLUE 0x9
+#define LT_GREEN 0xa
+#define LT_CYAN 0xb
+#define LT_RED 0xc
+#define LT_MAGENTA 0xd
+#define YELLOW 0xe
+#define LT_WHITE 0xf
+
+#define BLINK 0x8 /* Mask used to determine blinking */
+#define OFF 0
+#define ON 1
+
+
+/*
+ * CRT Controller register offset definitions
+ */
+
+# define CC_CURSSTART 0x0a /* Cursor start scan line */
+# define CC_CURSEND 0x0b /* Cursor end scan line */
+# define CC_STARTADDRHI 0x0c /* start video ram addr msb */
+# define CC_STARTADDRLO 0x0d /* start video ram lsb */
+# define CC_CURSHIGH 0x0e /* Cursor high location (8 msb) */
+# define CC_CURSLOW 0x0f /* Cursor low location (8 msb) */
+# define CC_VRETSTART 0x10 /* vertical synchro start lsb */
+# define CC_VRETEND 0x11 /* vertical syn end (also it control) */
+# define CC_VDISPEND 0x12 /* vertical display end lsb register */
+
+#endif /* _CRT_H */