From 7cde4b94dce71805ab08320b1768b6e517936ef6 Mon Sep 17 00:00:00 2001
From: David du Colombier <0intro@gmail.com>
Date: Sun, 5 Nov 2000 00:00:00 +0000
Subject: [PATCH] Plan 9 from Bell Labs 2000-11-05

---
 bitsy/screen.c | 56 +++++++++++++++++++++++++++++++++++---------------
 port/devcons.c | 10 ++++-----
 2 files changed, 44 insertions(+), 22 deletions(-)

diff --git a/bitsy/screen.c b/bitsy/screen.c
index 06e2b7146322da3adbff00c959d8d416ac67c8c6..f46d58506386e4200cab2240c2b207fbadebea3d 100644
--- a/bitsy/screen.c
+++ b/bitsy/screen.c
@@ -15,6 +15,8 @@
 
 #define	MINX	8
 
+int landscape;	/* orientation of the screen, default is 0: portait */
+
 enum {
 	Wid		= 240,
 	Ht		= 320,
@@ -169,18 +171,34 @@ lcdinit(void)
 	lcd->lccr0 = 1<<LEN | 0<<CMS | 0<<SDS | 1<<LDM | 1<<BAM | 1<<ERM | 1<<PAS | 0<<BLE | 0<<DPD | 0<<PDD;
 }
 
+void
+flipscreen(int ls) {
+	if (ls == landscape)
+		return;
+	if (ls) {
+		gscreen->r = Rect(0, 0, Ht, Wid);
+		gscreen->clipr = gscreen->r;
+		xgdata.bdata = (uchar *)framebuf->pixel;
+	} else {
+		gscreen->r = Rect(0, 0, Wid, Ht);
+		gscreen->clipr = gscreen->r;
+		xgdata.bdata = (uchar *)vscreen;
+	}
+	landscape = ls;
+}
+
 void
 lcdtweak(Cmdbuf *cmd)
 {
 	if(cmd->nf < 4)
 		return;
 	if(*cmd->f[0] == 'h')
-		lcd->lccr1 = ((Wid-16)<<PPL)
+		lcd->lccr1 = ((Ht-16)<<PPL)
 			| (atoi(cmd->f[1])<<HSW)
 			| (atoi(cmd->f[2])<<ELW)
 			| (atoi(cmd->f[3])<<BLW);
 	if(*cmd->f[0] == 'v')
-		lcd->lccr2 = ((Ht-1)<<LPP)
+		lcd->lccr2 = ((Wid-1)<<LPP)
 			| (atoi(cmd->f[1])<<VSW)
 			| (atoi(cmd->f[2])<<EFW)
 			| (atoi(cmd->f[3])<<BFW);
@@ -205,16 +223,20 @@ screeninit(void)
 	lcdinit();
 
 	gscreen = &xgscreen;
-	xgdata.bdata = (uchar *)vscreen;
 	xgdata.ref = 1;
-
 	i = 0;
-	while (i < Wid*Ht*1/3)	vscreen[i++] = 0xf800;	/* red */
-	while (i < Wid*Ht*2/3)	vscreen[i++] = 0xffff;	/* white */
-	while (i < Wid*Ht*3/3)	vscreen[i++] = 0x001f;	/* blue */
-
-	flushmemscreen(gscreen->r);
-
+	if (landscape) {
+		xgdata.bdata = (uchar *)framebuf->pixel;
+		while (i < Wid*Ht*1/3)	framebuf->pixel[i++] = 0xf800;	/* red */
+		while (i < Wid*Ht*2/3)	framebuf->pixel[i++] = 0xffff;	/* white */
+		while (i < Wid*Ht*3/3)	framebuf->pixel[i++] = 0x001f;	/* blue */
+	} else {
+		xgdata.bdata = (uchar *)vscreen;
+		while (i < Wid*Ht*1/3)	vscreen[i++] = 0xf800;	/* red */
+		while (i < Wid*Ht*2/3)	vscreen[i++] = 0xffff;	/* white */
+		while (i < Wid*Ht*3/3)	vscreen[i++] = 0x001f;	/* blue */
+		flushmemscreen(gscreen->r);
+	}
 	memimageinit();
 	memdefont = getmemdefont();
 
@@ -230,9 +252,10 @@ flushmemscreen(Rectangle r)
 {
 	int x, y;
 
-	for (x = r.min.x; x < r.max.x; x++)
-		for (y = r.min.y; y < r.max.y; y++)
-			framebuf->pixel[(x+1)*Ht-y-1] = vscreen[y*Wid+x];
+	if (landscape == 0)
+		for (x = r.min.x; x < r.max.x; x++)
+			for (y = r.min.y; y < r.max.y; y++)
+				framebuf->pixel[(x+1)*Ht-y-1] = vscreen[y*Wid+x];
 	cachewb();
 }
 
@@ -246,9 +269,9 @@ attachscreen(Rectangle *r, ulong *chan, int* d, int *width, int *softscreen)
 	*d = gscreen->depth;
 	*chan = gscreen->chan;
 	*width = gscreen->width;
-	*softscreen = 1;
+	*softscreen = landscape == 0;
 
-	return (uchar*)vscreen;
+	return (uchar*)gscreen->data->bdata;
 }
 
 void
@@ -324,7 +347,8 @@ screenwin(void)
 	w = memdefont->info[' '].width;
 	h = memdefont->height;
 
-	r = Rect(4, 4, Wid-4, Ht-60);
+	r = insetrect(gscreen->r, 4);
+	r.max.y -= 56;
 
 	memimagedraw(gscreen, r, memblack, ZP, memopaque, ZP);
 	window = insetrect(r, 4);
diff --git a/port/devcons.c b/port/devcons.c
index b1b8eb89dab611db0a13ace07f0da0a6c956931d..d68b960bc050ce4d6867fe1d727d31b4866901ad 100644
--- a/port/devcons.c
+++ b/port/devcons.c
@@ -323,15 +323,11 @@ echo(char *buf, int n)
 	int x;
 	char *e, *p;
 
-	if(kbd.raw){
-		qproduce(kbdq, buf, n);
-		return;
-	}
 	e = buf+n;
 	for(p = buf; p < e; p++){
 		switch(*p){
 		case 0x10:	/* ^P */
-			if(cpuserver && !kbd.ctlpoff){
+			if(cpuserver && !kbd.ctlpoff && !kbd.raw){
 				active.exiting = 1;
 				return;
 			}
@@ -388,6 +384,8 @@ print("procdump temporarily disabled\n");
 	}
 
 	qproduce(kbdq, buf, n);
+	if(kbd.raw)
+		return;
 	echoscreen(buf, n);
 	if(printq)
 		echoprintq(buf, n);
@@ -397,7 +395,7 @@ print("procdump temporarily disabled\n");
  *  Called by a uart interrupt for console input.
  *
  *  turn '\r' into '\n' before putting it into the queue.  we
- *  can't type runs on alternate consoles, so don't worry about it.
+ *  can't type runes on alternate consoles, so don't worry about it.
  */
 int
 kbdcr2nl(Queue*, int ch)