Part 3 of the pcvt/voxware revival.

Reviewed by:	core

1 files changed, 477 insertions, 0 deletions

diff --git a/sys/i386/isa/pcvt/pcvt_conf.h b/sys/i386/isa/pcvt/pcvt_conf.h
new file mode 100644
index 0000000..52387e6
--- /dev/null
+++ b/sys/i386/isa/pcvt/pcvt_conf.h
@@ -0,0 +1,477 @@
+/*
+ * Copyright (c) 1992, 1995 Hellmuth Michaelis and Joerg Wunsch.
+ *
+ * Copyright (c) 1992, 1994 Brian Dunford-Shore.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by
+ *	Hellmuth Michaelis, Brian Dunford-Shore and Joerg Wunsch.
+ * 4. The name authors may not be used to endorse or promote products
+ *    derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``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 AUTHORS 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.
+ *
+ *
+ * @(#)pcvt_conf.h, 3.20, Last Edit-Date: [Sun Apr  2 18:57:45 1995]
+ *
+ */
+
+/*---------------------------------------------------------------------------
+ *
+ *	pcvt_conf.h	VT220 driver global configuration file
+ *	------------------------------------------------------
+ *	-hm	introduced pcvt_conf.h
+ *	-hm	re-integrated selfconfiguration for NetBSD from Onno
+ *	-hm	patch from Onno for NetBSD-current
+ *	-hm	removed PCVT_FAKE_SYSCONS10
+ *
+ *---------------------------------------------------------------------------*/
+
+/*---------------------------------------------------------------------------
+ *
+ * from: Onno van der Linden    c/o   frank@fwi.uva.nl
+ *
+ * Here's an idea how to automatically detect the version of NetBSD pcvt is
+ * being compiled on:
+ *
+ * NetBSD 0.8 : NetBSD0_8 defined in <sys/param.h>
+ * NetBSD 0.9 : NetBSD0_9 defined in <sys/param.h>
+ * NetBSD 1.0 : NetBSD1_0 defined as 1 in <sys/param.h>
+ * NetBSD 1.0A: NetBSD1_0 defined as 2 in <sys/param.h>
+ *
+ * The NetBSDx_y defines are mutual exclusive.
+ *
+ * This leads to something like this in pcvt_hdr.h (#elif is possible too):
+ *
+ *---------------------------------------------------------------------------*/
+
+#ifdef NetBSD0_8
+#define PCVT_NETBSD 8
+#endif
+
+#ifdef NetBSD0_9
+#define PCVT_NETBSD 9
+#endif
+
+#ifdef NetBSD1_0
+#if NetBSD1_0 > 1
+#define PCVT_NETBSD 199
+#else
+#define PCVT_NETBSD 100
+#endif
+#endif
+
+/*---------------------------------------------------------------------------
+ * Note that each of the options below should rather be overriden by the
+ * kernel config file instead of this .h file - this allows for different
+ * definitions in different kernels compiled at the same machine
+ *
+ * The convention is as follows:
+ *
+ *	options "PCVT_FOO=1"  - enables the option
+ * 	options "PCVT_FOO"    - is a synonym for the above
+ *	options "PCVT_FOO=0"  - disables the option
+ *
+ * omitting an option defaults to what is shown below
+ *
+ * exceptions from this rule are i.e.:
+ *
+ *	options "PCVT_NSCREENS=x"
+ *	options "PCVT_SCANSET=x"
+ *	options "PCVT_UPDATEFAST=x"
+ *	options "PCVT_UPDATESLOW=x"
+ *	options "PCVT_SYSBEEPF=x"
+ *
+ * which are always numeric!
+ *---------------------------------------------------------------------------*/
+
+/* -------------------------------------------------------------------- */
+/* -------------------- OPERATING SYSTEM ------------------------------ */
+/* -------------------------------------------------------------------- */
+
+/*
+ *  one of the following options must be set in the kernel config file:
+ *
+ *======================================================================*
+ *			N e t B S D					*
+ *======================================================================*
+ *
+ *	options "PCVT_NETBSD=xxx" enables support for NetBSD
+ *
+ *	select:
+ *		PCVT_NETBSD =   9	for NetBSD 0.9
+ *		PCVT_NETBSD =  99	for PRE-1.0 NetBSD-current
+ *		PCVT_NETBSD = 100	for NetBSD 1.0
+ *		PCVT_NETBSD = 199	for PRE-2.0 NetBSD-current
+ *
+ *
+ *======================================================================*
+ *			F r e e B S D					*
+ *======================================================================*
+ *
+ *	options "PCVT_FREEBSD=xxx" enables support for FreeBSD
+ *
+ *	select:
+ *		PCVT_FREEBSD = 102	for 1.0 release (actually 1.0.2)
+ *		PCVT_FREEBSD = 110	for FreeBSD 1.1-Release
+ *		PCVT_FREEBSD = 115	for FreeBSD 1.1.5.1-Release
+ *		PCVT_FREEBSD = 200	for FreeBSD 2.0-Release
+ *		PCVT_FREEBSD = 210	for FreeBSD 2.1-Release
+ *
+ */
+
+/* -------------------------------------------------------------------- */
+/* ---------------- USER PREFERENCE DRIVER OPTIONS -------------------- */
+/* -------------------------------------------------------------------- */
+
+/*----------------------------------------------------------------------*/
+/* NOTE: if FAT_CURSOR is defined, a block cursor is used instead of	*/
+/*       the cursor shape we got from the BIOS, see pcvt_out.c		*/
+/*----------------------------------------------------------------------*/
+
+#if !defined PCVT_NSCREENS	/* ---------- DEFAULT: 8 -------------- */
+# define PCVT_NSCREENS 8	/* this option defines how many virtual	*/
+#endif				/* screens you want to have in your	*/
+				/* system. each screen allocates memory,*/
+				/* so you can't have an unlimited num-	*/
+				/* ber...; the value is intented to be	*/
+				/* compile-time overridable by a config	*/
+				/* options "PCVT_NSCREENS=x" line	*/
+
+#if !defined PCVT_VT220KEYB	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_VT220KEYB 0	/* this compiles a more vt220-like	*/
+#elif PCVT_VT220KEYB != 0	/* keyboardlayout as described in the	*/
+# undef PCVT_VT220KEYB		/* file Keyboard.VT220.			*/
+# define PCVT_VT220KEYB 1	/* if undefined, a more HP-like         */
+#endif				/* keyboardlayout is compiled		*/
+				/* try to find out what YOU like !	*/
+
+#if !defined PCVT_SCREENSAVER	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_SCREENSAVER 1	/* enable screen saver feature - this	*/
+#elif PCVT_SCREENSAVER != 0	/* just blanks the display screen.	*/
+# undef PCVT_SCREENSAVER	/* see PCVT_PRETTYSCRNS below ...	*/
+# define PCVT_SCREENSAVER 1
+#endif
+
+#if !defined PCVT_PRETTYSCRNS	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_PRETTYSCRNS 0	/* for the cost of some microseconds of	*/
+#elif PCVT_PRETTYSCRNS != 0	/* cpu time this adds a more "pretty"	*/
+# undef PCVT_PRETTYSCRNS	/* version to the screensaver, an "*"	*/
+# define PCVT_PRETTYSCRNS 1	/* in random locations of the display.	*/
+#endif				/* NOTE: this should not be defined if	*/
+				/* you have an energy-saving monitor 	*/
+				/* which turns off the display if its	*/
+				/* black !!!!!!				*/
+
+#if !defined PCVT_CTRL_ALT_DEL	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_CTRL_ALT_DEL 0	/* this enables the execution of a cpu	*/
+#elif PCVT_CTRL_ALT_DEL != 0	/* reset by pressing the CTRL, ALT and	*/
+# undef PCVT_CTRL_ALT_DEL	/* DEL keys simultanously. Because this	*/
+# define PCVT_CTRL_ALT_DEL 1	/* is a feature of an ancient simple	*/
+#endif				/* bootstrap loader, it does not belong */
+				/* into modern operating systems and 	*/
+				/* was commented out by default ...	*/
+
+#if !defined PCVT_KBD_FIFO	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_KBD_FIFO 1	/* this enables Keyboad fifo so that we */
+#elif PCVT_KBD_FIFO != 0	/* are not any longer forced to switch  */
+# undef PCVT_KBD_FIFO		/* off tty interrupts while switching   */
+# define PCVT_KBD_FIFO 1	/* virtual screens - AND loosing chars  */
+#endif				/* on the serial lines is gone :-)      */
+
+#if PCVT_KBD_FIFO
+
+# if !defined PCVT_KBD_FIFO_SZ	/* ---------- DEFAULT: 256 ------------ */
+#  define PCVT_KBD_FIFO_SZ 256	/* this specifies the size of the above */
+# elif PCVT_KBD_FIFO_SZ < 16	/* mentioned keyboard buffer. buffer    */
+#  undef PCVT_KBD_FIFO_SZ	/* overflows are logged via syslog, so  */
+#  define PCVT_KBD_FIFO_SZ 256	/* have a look at /var/log/messages     */
+# endif
+
+#endif /* PCVT_KBD_FIFO */
+
+#if !defined PCVT_USEKBDSEC	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_USEKBDSEC 1	/* do not set the COMMAND_INHOVR bit	*/
+#elif PCVT_USEKBDSEC != 0	/* (1 = override security lock inhibit) */
+# undef PCVT_USEKBDSEC		/* when initializing the keyboard, so   */
+# define PCVT_USEKBDSEC 1	/* that security locking should work    */
+#endif				/* now. I guess this has to be done also*/
+				/* in the boot code to prevent single   */
+				/* user startup ....                    */
+
+#if !defined PCVT_24LINESDEF	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_24LINESDEF 0	/* use 24 lines in VT 25 lines mode and	*/
+#elif PCVT_24LINESDEF != 0	/* HP 28 lines mode by default to have	*/
+# undef PCVT_24LINESDEF		/* the the better compatibility to the	*/
+# define PCVT_24LINESDEF 1	/* real VT220 - you can switch between	*/
+#endif				/* the maximum possible screensizes in	*/
+				/* those two modes (25 lines) and true	*/
+				/* compatibility (24 lines) by using	*/
+				/* the scon utility at runtime		*/
+
+#if !defined PCVT_EMU_MOUSE	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_EMU_MOUSE 0	/* emulate a mouse systems mouse via	*/
+#elif PCVT_EMU_MOUSE != 0	/* the keypad; this is experimental	*/
+# undef PCVT_EMU_MOUSE		/* code intented to be used on note-	*/
+# define PCVT_EMU_MOUSE 1	/* books in conjunction with XFree86;	*/
+#endif				/* look at the comments in pcvt_kbd.c	*/
+				/* if you are interested in testing it.	*/
+
+#if !defined PCVT_META_ESC      /* ---------- DEFAULT: OFF ------------ */
+# define PCVT_META_ESC 0        /* if ON, send the sequence "ESC key"	*/
+#elif PCVT_META_ESC != 0        /* for a meta-shifted key; if OFF,	*/
+# undef PCVT_META_ESC           /* send the normal key code with 0x80	*/
+# define PCVT_META_ESC 1        /* added.				*/
+#endif
+
+#if !defined PCVT_SW0CNOUTP     /* ---------- DEFAULT: OFF ------------ */
+# define PCVT_SW0CNOUTP 0       /* if ON, on console/kernel output the  */
+#elif PCVT_SW0CNOUTP != 0       /* current screen is switched to screen */
+# undef PCVT_SW0CNOUTP          /* 0 if not already at screen 0.        */
+# define PCVT_SW0CNOUTP 1	/* CAUTION: CURRENTLY THIS CAUSES AN X- */
+#endif				/* SESSION TO CLUTTER VIDEO MEMORY !!!! */
+
+/* -------------------------------------------------------------------- */
+/* -------------------- DRIVER DEBUGGING ------------------------------ */
+/* -------------------------------------------------------------------- */
+
+#if !defined PCVT_SHOWKEYS	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_SHOWKEYS 0	/* this replaces the system load line	*/
+#elif PCVT_SHOWKEYS != 0	/* on the vt 0 in hp mode with a display*/
+# undef PCVT_SHOWKEYS		/* of the most recent keyboard scan-	*/
+# define PCVT_SHOWKEYS 1	/* and status codes received from the	*/
+#endif				/* keyboard controller chip.		*/
+				/* this is just for some hardcore	*/
+				/* keyboarders ....			*/
+
+/* -------------------------------------------------------------------- */
+/* -------------------- DRIVER OPTIONS -------------------------------- */
+/* -------------------------------------------------------------------- */
+/*     it is unlikely that anybody wants to change anything below       */
+
+#if !defined PCVT_NO_LED_UPDATE	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_NO_LED_UPDATE 0	/* On some (Notebook?) keyboards it is	*/
+#elif PCVT_NO_LED_UPDATE != 0	/* not possible to update the LED's	*/
+# undef PCVT_NO_LED_UPDATE	/* without hanging the keyboard after-	*/
+# define PCVT_NO_LED_UPDATE 1	/* wards. If you experience Problems	*/
+#endif				/* like this, try to enable this option	*/
+
+#if !defined PCVT_PORTIO_DELAY  /* ---------- DEFAULT: ON ------------- */
+# define PCVT_PORTIO_DELAY 1	/* Defining PCVT_PORTIO_DELAY lets pcvt */
+#elif PCVT_PORTIO_DELAY != 0	/* use multiple accesses to port 0x84   */
+# undef PCVT_PORTIO_DELAY	/* to produce a delay of 7 us needed for*/
+# define PCVT_PORTIO_DELAY 1	/* accessing the keyboard controller,   */
+#endif				/* otherwise the system delay functions */
+				/* are used.                            */
+
+#if !defined PCVT_PCBURST	/* ---------- DEFAULT: 256 ------------ */
+# define PCVT_PCBURST 256	/* NETBSD and FreeBSD >= 2.0 only: this */
+#endif				/* is the number of output characters	*/
+				/* handled together as a burst in 	*/
+				/* routine pcstart(), file pcvt_drv.c	*/
+
+#if !defined PCVT_SCANSET	/* ---------- DEFAULT: 1 -------------- */
+# define PCVT_SCANSET 1		/* define the keyboard scancode set you	*/
+#endif				/* want to use:				*/
+				/* 1 - code set 1	(supported)	*/
+				/* 2 - code set 2	(supported)	*/
+				/* 3 - code set 3	(UNsupported)	*/
+
+#if !defined PCVT_KEYBDID	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_KEYBDID 1		/* check type of keyboard connected. at	*/
+#elif PCVT_KEYBDID != 0		/* least HP-keyboards send an id other	*/
+# undef PCVT_KEYBDID		/* than the industry standard, so it	*/
+# define PCVT_KEYBDID 1		/* CAN lead to problems. if you have	*/
+#endif				/* problems with this, TELL ME PLEASE !	*/
+
+#if !defined PCVT_SIGWINCH	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_SIGWINCH 1	/* this sends a SIGWINCH signal in case	*/
+#elif PCVT_SIGWINCH != 0	/* the window size is changed. to try,	*/
+# undef PCVT_SIGWINCH		/* issue "scons -s<size>" while in elvis*/
+# define PCVT_SIGWINCH 1	/* and you'll see the effect.		*/
+#endif				/* i'm not sure, whether this feature	*/
+				/* has to be in the driver or has to    */
+				/* move as an ioctl call to scon ....	*/
+
+#if !defined PCVT_NULLCHARS	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_NULLCHARS 1	/* allow the keyboard to send null	*/
+#elif PCVT_NULLCHARS != 0	/* (0x00) characters to the calling	*/
+# undef PCVT_NULLCHARS		/* program. this has the side effect	*/
+# define PCVT_NULLCHARS 1	/* that every undefined key also sends	*/
+#endif				/* out nulls. take it as experimental	*/
+				/* code, this behaviour will change in	*/
+				/* a future release			*/
+
+#if !defined PCVT_BACKUP_FONTS	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_BACKUP_FONTS 1	/* fonts are always kept memory-backed;	*/
+#elif  PCVT_BACKUP_FONTS != 0	/* otherwise copies are only made if	*/
+# undef PCVT_BACKUP_FONTS	/* they are needed.			*/
+# define PCVT_BACKUP_FONTS 1
+#endif
+
+#ifndef PCVT_UPDATEFAST		/* this is the rate at which the cursor */
+# define PCVT_UPDATEFAST (hz/10) /* gets updated with its new position	*/
+#endif				/* see: async_update() in pcvt_sup.c	*/
+
+#ifndef PCVT_UPDATESLOW		/* this is the rate at which the cursor	*/
+# define PCVT_UPDATESLOW 3	/* position display and the system load	*/
+#endif				/* (or the keyboard scancode display)	*/
+				/* is updated. the relation is:		*/
+				/* PCVT_UPDATEFAST/PCVT_UPDATESLOW	*/
+
+#ifndef PCVT_SYSBEEPF		/* timer chip value to be used for the	*/
+# define PCVT_SYSBEEPF 1193182	/* sysbeep frequency value.		*/
+#endif				/* this should really go somewhere else,*/
+				/* e.g. in isa.h; but it used to be in 	*/
+				/* each driver, sometimes even with	*/
+				/* different values (:-)		*/
+
+#if !defined PCVT_SETCOLOR	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_SETCOLOR 0	/* enable making colors settable. this	*/
+#elif PCVT_SETCOLOR != 0	/* introduces a new escape sequence	*/
+# undef PCVT_SETCOLOR		/* <ESC d> which is (i think) not 	*/
+# define PCVT_SETCOLOR 1	/* standardized, so this is an option	*/
+#endif				/* (Birthday present for Bruce ! :-)    */
+
+#if !defined PCVT_132GENERIC	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_132GENERIC 0	/* if you #define this, you enable	*/
+#elif PCVT_132GENERIC != 0	/*	EXPERIMENTAL (!!!!!!!!!!!!)	*/
+# undef PCVT_132GENERIC		/* 	USE-AT-YOUR-OWN-RISK, 		*/
+# define PCVT_132GENERIC 1	/*	MAY-DAMAGE-YOUR-MONITOR		*/
+#endif				/* code to switch generic VGA boards/	*/
+				/* chipsets to 132 column mode. Since	*/
+				/* i could not verify this option, i	*/
+				/* prefer to NOT generally enable this,	*/
+				/* if you want to play, look at the 	*/
+				/* hints and the code in pcvt_sup.c and	*/
+				/* get in contact with Joerg Wunsch, who*/
+				/* submitted this code. Be careful !!!	*/
+
+#if !defined PCVT_PALFLICKER	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_PALFLICKER 0	/* this option turns off the screen 	*/
+#elif PCVT_PALFLICKER != 0	/* during accesses to the VGA DAC	*/
+# undef PCVT_PALFLICKER		/* registers. why: on one fo the tested	*/
+# define PCVT_PALFLICKER 1	/* pc's (WD-chipset), accesses to the	*/
+#endif				/* vga dac registers caused distortions	*/
+				/* on the screen. Ferraro says, one has	*/
+				/* to blank the screen. the method used	*/
+				/* to accomplish this stopped the noise	*/
+				/* but introduced another flicker, so	*/
+				/* this is for you to experiment .....	*/
+				/* - see also PCVT_WAITRETRACE below --	*/
+
+#if !defined PCVT_WAITRETRACE	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_WAITRETRACE 0	/* this option waits for being in a 	*/
+#elif PCVT_WAITRETRACE != 0	/* retrace window prior to accessing	*/
+# undef PCVT_WAITRETRACE	/* the VGA DAC registers.		*/
+# define PCVT_WAITRETRACE 1	/* this is the other method Ferraro	*/
+#endif				/* mentioned in his book. this option 	*/
+				/* did eleminate the flicker noticably	*/
+				/* but not completely. besides that, it	*/
+				/* is implemented as a busy-wait loop	*/
+				/* which is a no-no-no in environments	*/
+				/* like this - VERY BAD PRACTICE !!!!!	*/
+				/* the other method implementing it is	*/
+				/* using the vertical retrace irq, but	*/
+				/* we get short of irq-lines on pc's.	*/
+				/* this is for you to experiment .....	*/
+				/* -- see also PCVT_PALFLICKER above -- */
+
+#if !defined PCVT_INHIBIT_NUMLOCK /* --------- DEFAULT: OFF ----------- */
+# define PCVT_INHIBIT_NUMLOCK 0 /* A notebook hack: since i am getting	*/
+#elif PCVT_INHIBIT_NUMLOCK != 0	/* tired of the numlock LED always	*/
+# undef PCVT_INHIBIT_NUMLOCK    /* being turned on - which causes the	*/
+# define PCVT_INHIBIT_NUMLOCK 1 /* right half of my keyboard being	*/
+#endif                         	/* interpreted as a numeric keypad and	*/
+				/* thus going unusable - i want to	*/
+				/* have a better control over it. If	*/
+				/* this option is enabled, only the	*/
+				/* numlock key itself and the related	*/
+				/* ioctls will modify the numlock	*/
+				/* LED. (The ioctl is needed for the	*/
+				/* ServerNumLock feature of XFree86.)	*/
+				/* The default state is changed to	*/
+				/* numlock off, and the escape		*/
+				/* sequences to switch between numeric	*/
+				/* and application mode keypad are	*/
+				/* silently ignored.			*/
+
+#if !defined PCVT_NOFASTSCROLL	/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_NOFASTSCROLL 0	/* If off, enables code for fast scroll.*/
+#elif PCVT_NOFASTSCROLL != 0	/* This is done by changing the CRTC	*/
+# undef PCVT_NOFASTSCROLL	/* screen start address for scrolling	*/
+# define PCVT_NOFASTSCROLL 1	/* and using 2 times the screen size as	*/
+#endif				/* buffer. The fastscroll code works	*/
+				/* ONLY for VGA/EGA/CGA because it uses */
+				/* the crtc for hardware scrolling and	*/
+				/* therefore needs more than the one	*/
+				/* page video memory MDA and most 	*/
+				/* Hercules boards support.		*/
+				/* If you run pcvt ONLY on MDA/Hercules */
+				/* you should disable fastscroll to save*/
+				/* the time to decide which board you	*/
+				/* are running pcvt on at runtime.	*/
+				/*     [see roll_up() and roll_down().]	*/
+
+#if !defined PCVT_SLOW_INTERRUPT/* ---------- DEFAULT: OFF ------------ */
+# define PCVT_SLOW_INTERRUPT 0	/* If off, protecting critical regions	*/
+#elif PCVT_SLOW_INTERRUPT != 0	/* in the keyboard fifo code is done by	*/
+# undef PCVT_SLOW_INTERRUPT	/* disabling the processor irq's, if on */
+# define PCVT_SLOW_INTERRUPT 1	/* this is done by spl()/splx() calls.  */
+#endif
+
+#ifdef XSERVER
+
+#if !defined PCVT_USL_VT_COMPAT	/* ---------- DEFAULT: ON ------------- */
+# define PCVT_USL_VT_COMPAT 1	/* this option enables multiple virtual */
+#elif PCVT_USL_VT_COMPAT != 0	/* screen support for XFree86. If set	*/
+# undef PCVT_USL_VT_COMPAT	/* to off, support for a "classic"	*/
+# define PCVT_USL_VT_COMPAT 1	/* single screen only X server is	*/
+#endif				/* compiled in. If enabled, most of the	*/
+				/* ioctl's from SYSV/USL are supported	*/
+				/* to run multiple X servers and/or 	*/
+				/* character terminal sessions.		*/
+
+#endif /* XSERVER */
+
+/*---------------------------------------------------------------------------*
+ *	Kernel messages attribute definitions
+ *	These define the foreground and background attributes used to
+ *	emphasize messages from the kernel on color and mono displays.
+ *---------------------------------------------------------------------------*/
+
+#if !defined COLOR_KERNEL_FG		/* color displays		*/
+#define COLOR_KERNEL_FG	FG_LIGHTGREY	/* kernel messages, foreground	*/
+#endif
+#if !defined COLOR_KERNEL_BG
+#define COLOR_KERNEL_BG	BG_RED		/* kernel messages, background	*/
+#endif
+
+#if !defined MONO_KERNEL_FG		/* monochrome displays		*/
+#define MONO_KERNEL_FG	FG_UNDERLINE	/* kernel messages, foreground	*/
+#endif
+#if !defined MONO_KERNEL_BG
+#define MONO_KERNEL_BG	BG_BLACK	/* kernel messages, background	*/
+#endif
+
+/*---------------------------------- E O F ----------------------------------*/