From: Brett Gordon <beretta42@gmail.com>
Date: Sat, 8 Aug 2015 15:20:19 +0000 (-0400)
Subject: added 64 and 32 column modes.
X-Git-Url: https://git.ndcode.org/public/gitweb.cgi?a=commitdiff_plain;h=1b406a20c9154d335d03df855d7586a682c3f259;p=FUZIX.git

added 64 and 32 column modes.
added tty init routine.
---

diff --git a/Kernel/platform-coco3/devtty.c b/Kernel/platform-coco3/devtty.c
index 7b760cb1..38d558ce 100644
--- a/Kernel/platform-coco3/devtty.c
+++ b/Kernel/platform-coco3/devtty.c
@@ -60,6 +60,22 @@ struct s_queue ttyinq[NUM_DEV_TTY + 1] = {
 //	unsigned char bottom;   /* bottom most coord */
 //};
 
+struct mode_s{
+	uint8_t gime;
+	uint8_t width;
+	uint8_t height;
+	uint8_t right;
+	uint8_t bottom;
+};
+
+static struct mode_s mode[4] = {
+	{   0x14, 80, 21, 79, 20  },
+	{   0x0c, 40, 21, 39, 20  },
+	{   0x10, 64, 21, 63, 20  },
+	{   0x08, 32, 21, 31, 20  },
+};
+
+
 static struct pty ptytab[] = {
 	{
 		(unsigned char *) 0xb400, 
@@ -413,3 +429,23 @@ unsigned char vt_map(unsigned char c)
 		return 0x7F;
 	return c;
 }
+
+
+/* Initial Setup stuff down here. */
+
+
+void devtty_init()
+{
+	int i;
+	int vtmode=0;
+	/* scan cmdline for params for vt */
+
+       	/* apply default/cmdline mode to terminal structs */
+	for( i=0; i<2; i++){
+		memcpy( &(ptytab[i].gime), &(mode[vtmode]), 5 );
+	}
+	/* apply terminal to registers */
+	*(unsigned int *) 0xff9d = ptytab[0].scrloc;
+	*(unsigned char *) 0xff99 = ptytab[0].gime;
+}
+