From d4def64a805a567fe2180e18d48921fb452e1a34 Mon Sep 17 00:00:00 2001
From: briggs <briggs@openbsd.org>
Date: Tue, 8 Apr 1997 04:41:26 +0000
Subject: [PATCH] Changes from Michael R. Zucca <mrz5149@cs.rit.edu> for 16-bit
 and 32-bit console support.

---
 sys/arch/mac68k/dev/ite.c    | 97 +++++++++++++++++++++++++++++++++---
 sys/arch/mac68k/dev/itevar.h |  3 +-
 2 files changed, 92 insertions(+), 8 deletions(-)

diff --git a/sys/arch/mac68k/dev/ite.c b/sys/arch/mac68k/dev/ite.c
index d39e177c292..0cf676afd65 100644
--- a/sys/arch/mac68k/dev/ite.c
+++ b/sys/arch/mac68k/dev/ite.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: ite.c,v 1.12 1997/04/03 03:53:27 briggs Exp $	*/
+/*	$OpenBSD: ite.c,v 1.13 1997/04/08 04:41:26 briggs Exp $	*/
 /*	$NetBSD: ite.c,v 1.32 1997/02/20 00:23:25 scottr Exp $	*/
 
 /*
@@ -95,6 +95,8 @@ static __inline void putpixel1 __P((int, int, int *, int));
 static void	putpixel2 __P((int, int, int *, int));
 static void	putpixel4 __P((int, int, int *, int));
 static void	putpixel8 __P((int, int, int *, int));
+static void	putpixel16 __P((int, int, int *, int));
+static void	putpixel32 __P((int, int, int *, int));
 static void	reversepixel1 __P((int, int, int));
 static void	writechar __P((char, int, int, int));
 static void	drawcursor __P((void));
@@ -260,12 +262,58 @@ putpixel8(xx, yy, c, num)
 	}
 }
 
+static void
+putpixel16(xx, yy, c, num)
+	int xx, yy;
+	int *c;
+	int num;
+{
+	unsigned short	*sc;
+	int		videorowshorts;
+	unsigned char	uc;
+
+	sc = (unsigned short *)videoaddr;
+
+	videorowshorts = videorowbytes >> 1;
+	sc += yy * videorowshorts + xx;
+	while (num--) {
+		uc = (*c++ & 0xff);
+		*sc = (uc << 8) | uc;
+		sc += videorowshorts;
+	}
+}
+
+static void
+putpixel32(xx, yy, c, num)
+	int xx, yy;
+	int *c;
+	int num;
+{
+	unsigned long	*sc;
+	int		videorowlongs;
+	unsigned char	uc;
+
+	sc = (unsigned long *)videoaddr;
+
+	videorowlongs = videorowbytes >> 2;
+	sc += yy * videorowlongs + xx;
+	while (num--) {
+		uc = (*c++ & 0xff);
+		*sc = (uc << 24) | (uc << 16) | (uc << 8) | uc;
+		sc += videorowlongs;
+}
+}
+
 static void 
 reversepixel1(xx, yy, num)
 	int xx, yy, num;
 {
 	unsigned int mask;
 	unsigned char *sc;
+	unsigned long *sl;
+	unsigned short *ss;
+	int		videorowshorts;
+	int		videorowlongs;
 
 	sc = (unsigned char *) videoaddr;
 	mask = 0;		/* Get rid of warning from compiler */
@@ -287,6 +335,24 @@ reversepixel1(xx, yy, num)
 		mask = 255;
 		sc += yy * videorowbytes + xx;
 		break;
+	case 16:
+		videorowshorts = videorowbytes >> 1;
+		ss = (unsigned short *) videoaddr;
+		ss += yy * videorowshorts + xx;
+		while (num--) {
+			*ss ^= 0xffff;
+			ss += videorowshorts;
+		}
+		return;
+	case 32:
+		videorowlongs = videorowbytes >> 2;
+		sl = (unsigned long *) videoaddr;
+		sl += yy * videorowlongs + xx;
+		while (num--) {
+			*sl ^= 0xffffffff;
+			sl += videorowlongs;
+		}
+		return;
 	default:
 		panic("reversepixel(): unsupported bit depth");
 	}
@@ -330,6 +396,8 @@ writechar(ch, x, y, attr)
 	case 2:
 	case 4:
 	case 8:
+	case 16:
+	case 32:
 		for (j = 0; j < CHARWIDTH; j++) {
 			mask = 1 << (CHARWIDTH - 1 - j);
 			for (i = 0; i < CHARHEIGHT; i++)
@@ -1166,13 +1234,9 @@ itecninit(struct consdev * cp)
 	return ite_init();
 }
 
-int
-ite_init()
+void
+itereset()
 {
-	if (ite_initted)
-		return 0;
-
-	ite_initted = 1;
 	width = videosize & 0xffff;
 	height = (videosize >> 16) & 0xffff;
 	scrrows = height / CHARHEIGHT;
@@ -1200,10 +1264,29 @@ ite_init()
 		reversepixel = reversepixel1;
 		screenrowbytes = width;
 		break;
+	case 16:
+		putpixel = putpixel16;
+		reversepixel = reversepixel1;
+		screenrowbytes = width*2;
+		break;
+	case 32:
+		putpixel = putpixel32;
+		reversepixel = reversepixel1;
+		screenrowbytes = width*4;
+		break;
 	}
 
 	vt100_reset();
+}
 
+int
+ite_init()
+{
+	if (ite_initted)
+		return 0;
+
+	ite_initted = 1;
+	itereset();
 	return iteon((dev_t) 0, 0);
 }
 
diff --git a/sys/arch/mac68k/dev/itevar.h b/sys/arch/mac68k/dev/itevar.h
index b6faa91b098..febebc44731 100644
--- a/sys/arch/mac68k/dev/itevar.h
+++ b/sys/arch/mac68k/dev/itevar.h
@@ -1,4 +1,4 @@
-/*	$OpenBSD: itevar.h,v 1.1 1996/05/26 19:02:07 briggs Exp $	*/
+/*	$OpenBSD: itevar.h,v 1.2 1997/04/08 04:41:27 briggs Exp $	*/
 /*	$NetBSD: itevar.h,v 1.1 1996/05/05 06:16:49 briggs Exp $	*/
 
 /*
@@ -35,6 +35,7 @@
 int	ite_intr __P((adb_event_t *event));
 int	iteon __P((dev_t dev, int flags));
 int	iteoff __P((dev_t dev, int flags));
+void	itereset __P((void));
 
 #ifndef CN_DEAD
 #include <dev/cons.h>
-- 
2.20.1