X-Git-Url: https://www.chiark.greenend.org.uk/ucgi/~ianmdlvl/git?a=blobdiff_plain;f=src%2Fcrt.c;h=6b8c58b567a2663237c703550efc861dcefadbff;hb=4f3454a409e06431446f56aee5de2b30b28db790;hp=e2f49c3e887c89d4a6af2aa2c276c46cd89fad4d;hpb=8b6118c4edcdd61ca2312ae5ced001a98607a693;p=sympathy.git

diff --git a/src/crt.c b/src/crt.c
index e2f49c3..6b8c58b 100644
--- a/src/crt.c
+++ b/src/crt.c
@@ -1,4 +1,4 @@
-/*
+/* 
  * crt.c:
  *
  * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
@@ -6,10 +6,46 @@
  *
  */
 
-static char rcsid[] = "$Id$";
+static char rcsid[] = "$Id: crt.c,v 1.18 2008/03/07 12:37:04 james Exp $";
 
-/*
- * $Log$
+/* 
+ * $Log: crt.c,v $
+ * Revision 1.18  2008/03/07 12:37:04  james
+ * *** empty log message ***
+ *
+ * Revision 1.17  2008/03/03 06:04:42  james
+ * *** empty log message ***
+ *
+ * Revision 1.16  2008/03/02 10:37:56  james
+ * *** empty log message ***
+ *
+ * Revision 1.15  2008/02/27 09:42:21  james
+ * *** empty log message ***
+ *
+ * Revision 1.14  2008/02/27 00:27:21  james
+ * *** empty log message ***
+ *
+ * Revision 1.13  2008/02/26 23:56:12  james
+ * *** empty log message ***
+ *
+ * Revision 1.12  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
+ * Revision 1.11  2008/02/23 11:48:37  james
+ * *** empty log message ***
+ *
+ * Revision 1.10  2008/02/22 17:07:00  james
+ * *** empty log message ***
+ *
+ * Revision 1.9  2008/02/07 13:22:51  james
+ * *** empty log message ***
+ *
+ * Revision 1.8  2008/02/07 13:19:48  james
+ * *** empty log message ***
+ *
+ * Revision 1.7  2008/02/07 12:41:06  james
+ * *** empty log message ***
+ *
  * Revision 1.6  2008/02/07 12:16:04  james
  * *** empty log message ***
  *
@@ -33,20 +69,19 @@ static char rcsid[] = "$Id$";
 #include "project.h"
 
 void
-crt_erase (CRT * c, CRT_Pos s, CRT_Pos e, int ea)
+crt_erase (CRT * c, CRT_Pos s, CRT_Pos e, int ea, int color)
 {
   CRT_CA *ps = &c->screen[CRT_ADDR_POS (&s)];
   CRT_CA *pe = &c->screen[CRT_ADDR_POS (&e)];
 
-  while (ps <= pe)
-    {
-      ps->chr = ' ';
-      if (ea){
-        ps->attr = CRT_ATTR_NORMAL;
-        ps->color = CRT_COLOR_NORMAL;
-	}
-      ps++;
+  while (ps <= pe) {
+    ps->chr = ' ';
+    if (ea) {
+      ps->attr = CRT_ATTR_NORMAL;
+      ps->color = color;
     }
+    ps++;
+  }
 
 }
 
@@ -57,40 +92,49 @@ crt_cls (CRT * c)
   CRT_Pos e = { CRT_COLS - 1, CRT_ROWS - 1 };
   int i;
 
-  crt_erase (c, s, e, 1);
-
+  crt_erase (c, s, e, 1, CRT_COLOR_NORMAL);
+#if 0
+  c->sh.dir = 0;
+#endif
 }
 
 void
-crt_scroll_up (CRT * c, CRT_Pos s, CRT_Pos e, int ea)
+crt_scroll_up (CRT * c, CRT_Pos s, CRT_Pos e, int ea, int color)
 {
   int l, n;
   int p;
 
+
   s.x = 0;
   e.x = CRT_COLS - 1;
 
+#if 0
+  c->sh.s = s;
+  c->sh.e = e;
+  c->sh.dir = -1;
+#endif
+
   l = e.x - s.x;
   l++;
   l *= sizeof (CRT_CA);
 
   n = e.y - s.y;
 
+
   p = CRT_ADDR_POS (&s);
 
-  while (n--)
-    {
-      memcpy (&c->screen[p], &c->screen[p + CRT_COLS], l);
-      p += CRT_COLS;
-    }
+  while (n--) {
+    memcpy (&c->screen[p], &c->screen[p + CRT_COLS], l);
+    p += CRT_COLS;
+  }
 
   s.y = e.y;
-  crt_erase (c, s, e, ea);
+  crt_erase (c, s, e, ea, color);
 
 }
 
 void
-crt_scroll_down (CRT * c, CRT_Pos s, CRT_Pos e, int ea)
+crt_scroll_down (CRT * c, CRT_Pos s, CRT_Pos e, int ea, int color)
 {
   int l, n;
   int p;
@@ -98,23 +142,28 @@ crt_scroll_down (CRT * c, CRT_Pos s, CRT_Pos e, int ea)
   s.x = 0;
   e.x = CRT_COLS - 1;
 
+#if 0
+  c->sh.s = s;
+  c->sh.e = e;
+  c->sh.dir = 1;
+#endif
+
   l = e.x - s.x;
   l++;
   l *= sizeof (CRT_CA);
 
   n = e.y - s.y;
-  n++;
+  // n++;
 
   p = CRT_ADDR_POS (&e);
 
-  while (n--)
-    {
-      memcpy (&c->screen[p], &c->screen[p - CRT_COLS], l);
-      p -= CRT_COLS;
-    }
+  while (n--) {
+    p -= CRT_COLS;
+    memcpy (&c->screen[p], &c->screen[p - CRT_COLS], l);
+  }
 
   e.y = s.y;
-  crt_erase (c, s, e, ea);
+  crt_erase (c, s, e, ea, color);
 
 }
 
@@ -126,6 +175,11 @@ crt_reset (CRT * c)
   c->pos.x = 0;
   c->pos.y = 0;
   c->hide_cursor = 1;
+  c->size.x = CRT_COLS;
+  c->size.y = CRT_ROWS;
+#if 0
+  c->sh.dir = 0;
+#endif
 }
 
 void
@@ -142,6 +196,7 @@ crt_insert (CRT * c, CRT_CA ca)
 
   c->screen[CRT_ADDR (c->pos.y, c->pos.x)] = ca;
 
-
-
+#if 0
+  c->sh.dir = 0;
+#endif
 }