# HG changeset patch
# User John Tsiombikas <nuclear@member.fsf.org>
# Date 1298393504 -7200
# Node ID eaec918de07266a57a60a1945bc8e89f933dad04
# Parent  cccaa40f5432afcb4aa1a30896cb8d18a6f8fead
- fixed the scrolling issue
- other minor crap

diff -r cccaa40f5432 -r eaec918de072 src/intr.c
--- a/src/intr.c	Sat Feb 19 04:41:51 2011 +0200
+++ b/src/intr.c	Tue Feb 22 18:51:44 2011 +0200
@@ -159,7 +159,7 @@
 	desc->d[3] = (addr & 0xffff0000) >> 16;
 }
 
-#define IS_TRAP(n)	((n) < 20 && (n) != 2)
+#define IS_TRAP(n)	((n) < 32)
 static void set_intr_entry(int num, void (*handler)(void))
 {
 	int type = IS_TRAP(num) ? GATE_TRAP : GATE_INTR;
diff -r cccaa40f5432 -r eaec918de072 src/main.c
--- a/src/main.c	Sat Feb 19 04:41:51 2011 +0200
+++ b/src/main.c	Tue Feb 22 18:51:44 2011 +0200
@@ -46,6 +46,8 @@
 	set_text_color(LTGRAY);
 	puts("hello world!");
 
+	asm volatile("int $0x80");
+
 	for(;;) {
 		char c, keypress;
 		do {
diff -r cccaa40f5432 -r eaec918de072 src/vid.c
--- a/src/vid.c	Sat Feb 19 04:41:51 2011 +0200
+++ b/src/vid.c	Tue Feb 22 18:51:44 2011 +0200
@@ -3,7 +3,7 @@
 #include "asmops.h"
 
 /* height of our virtual console text buffer */
-#define VIRT_HEIGHT	1024
+#define VIRT_HEIGHT	200
 
 /* CRTC ports */
 #define CRTC_ADDR	0x3d4
@@ -60,7 +60,7 @@
 		/* The bottom of the visible range reached the end of our text buffer.
 		 * Copy the rest of the lines to the top and reset start_line.
 		 */
-		memcpy(vmem, vmem + start_line * WIDTH, (HEIGHT - 1) * WIDTH);
+		memcpy(vmem, vmem + start_line * WIDTH, (HEIGHT - 1) * WIDTH * 2);
 		start_line = 0;
 	}