From 475b8d78f7920a0b9d1e35aaefc89fa162ba226a Mon Sep 17 00:00:00 2001
From: james <james>
Date: Tue, 26 Feb 2008 23:23:16 +0000
Subject: [PATCH] *** empty log message ***

---
 apps/mainloop.c     |   7 +
 src/Makefile.am     |   7 +-
 src/ansi.c          |  80 +++++++++---
 src/crt.c           |  14 ++
 src/crt.h           |   5 +-
 src/prototypes.h    |  13 +-
 src/ptty.c          |   5 +-
 src/serial.c        |  11 +-
 src/terminal.c      |  15 ++-
 src/utf8.c          |   4 +
 src/vt102.c         | 312 +++++++++++++++++++++++++++-----------------
 src/vt102.h         |  14 +-
 src/vt102_charset.c | 140 ++++++++++++++++++++
 13 files changed, 475 insertions(+), 152 deletions(-)
 create mode 100644 src/vt102_charset.c

diff --git a/apps/mainloop.c b/apps/mainloop.c
index 73b2236..9e378d1 100644
--- a/apps/mainloop.c
+++ b/apps/mainloop.c
@@ -11,6 +11,9 @@ static char rcsid[] =
 
 /*
  * $Log$
+ * Revision 1.12  2008/02/26 23:23:16  james
+ * *** empty log message ***
+ *
  * Revision 1.11  2008/02/24 00:43:55  james
  * *** empty log message ***
  *
@@ -88,6 +91,8 @@ static char rcsid[] =
 
 #include "clients.h"
 
+Context *context;
+
 typedef struct
 {
   int nclients;
@@ -389,6 +394,8 @@ mainloop (TTY * tty, Socket * server_socket, Socket * client_socket,
   Context c = { 0 };
   Clients *clients;
 
+  context=&c;
+
   c.tp = tty_parser_new ();
   c.u = utf8_new ();
 
diff --git a/src/Makefile.am b/src/Makefile.am
index 7e0a3b9..3793b26 100644
--- a/src/Makefile.am
+++ b/src/Makefile.am
@@ -8,6 +8,9 @@
 # $Id$
 #
 # $Log$
+# Revision 1.18  2008/02/26 23:23:17  james
+# *** empty log message ***
+#
 # Revision 1.17  2008/02/24 00:42:53  james
 # *** empty log message ***
 #
@@ -68,13 +71,13 @@ INCLUDES=
 # NB order here matters.
 PROJECTHDRS= crt.h utf8.h tty.h ansi.h vt102.h keys.h history.h ring.h slide.h \
 		log.h ipc.h symsocket.h keydis.h cmd.h lockfile.h context.h \
-		prototypes.h
+		vt102_charset.h prototypes.h
 
 HDRS=project.h 
 
 SRCS=ansi.c crt.c html.c libsympathy.c render.c  version.c vt102.c tty.c \
 	keydis.c history.c ring.c ptty.c terminal.c util.c log.c ipc.c \
-	slide.c symsocket.c  serial.c cmd.c lockfile.c utf8.c
+	slide.c symsocket.c  serial.c cmd.c lockfile.c utf8.c vt102_charset.c
 
 CPROTO=cproto
 
diff --git a/src/ansi.c b/src/ansi.c
index 7a0d630..3e4ace1 100644
--- a/src/ansi.c
+++ b/src/ansi.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.31  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
  * Revision 1.30  2008/02/24 00:42:53  james
  * *** empty log message ***
  *
@@ -320,10 +323,41 @@ ansi_set_attr (ANSI * a, int attr)
 }
 
 static void
-ansi_emit_noutf8 (TTY * t, uint32_t ch)
+ascii_emit (TTY * t, uint32_t ch)
 {
-  uint8_t c = (ch > 0x7f) ? '?' : ch;
+int i;
+	
+/*Some quick obvious subsititons for quotation marks*/
+switch(ch) {
+case 0x2018:
+	ch='`';
+	break;
+case 0x2019:
+	ch='\'';
+	break;
+case 0x201c:
+case 0x201d:
+	ch='"';
+	break;
+}
+
+/*Short cut the easy stuff*/
+if (ch<0x7f)  {
+  uint8_t c = ch ;
   t->xmit (t, &c, 1);
+  return;
+}
+
+for (i=0;i<VT102_CHARSET_SIZE;++i) {
+if (vt102_charset_gl[i]==ch) {
+  uint8_t c[3] ={016,i,017};
+  t->xmit (t, &c, 3);
+  return;
+}
+}	
+
+  t->xmit (t, "?", 1);
+
 }
 
 static void
@@ -331,9 +365,10 @@ ansi_render (ANSI * a, CRT_CA ca)
 {
   int dif;
 
-  if (ca.chr < 0x20)
-    ca.chr = ' ';
-  if ((ca.chr > 0x7e) && (ca.chr < 0xa0))
+  if ((ca.chr < VT102_CHARSET_SIZE) && (vt102_charset_c0[ca.chr]))
+	ca.chr=vt102_charset_c0[ca.chr];
+
+  if ((ca.chr >= 0x80) && (ca.chr < 0xa0))
     ca.chr = ' ';
 
   ansi_set_attr (a, ca.attr);
@@ -342,7 +377,7 @@ ansi_render (ANSI * a, CRT_CA ca)
   if (a->utf8)
     utf8_emit (a->terminal, ca.chr);
   else
-    ansi_emit_noutf8 (a->terminal, ca.chr);
+    ascii_emit(a->terminal,ca.chr);
 
   a->pos.x++;
 
@@ -460,7 +495,7 @@ ansi_draw_line (ANSI * a, CRT_CA * cap, int y)
   CRT_Pos p = { 0, y };
   CRT_CA *acap = &a->crt.screen[CRT_ADDR_POS (&p)];
 
-  for (p.x = 0; p.x < CRT_COLS; ++p.x)
+  for (p.x = 0; p.x < a->crt.width; ++p.x)
     {
       if (p.x >= a->size.x)
         continue;
@@ -480,11 +515,10 @@ ansi_draw_line (ANSI * a, CRT_CA * cap, int y)
 }
 
 static void
-ansi_resize_check (ANSI * a)
+ansi_resize_check (ANSI * a,int new_width)
 {
 
-  if (!crt_pos_cmp (a->terminal->size, a->size))
-    return;
+  if ((new_width && (new_width != a->crt.width)) || crt_pos_cmp (a->terminal->size, a->size)) {
 
   terminal_getsize (a->terminal);
 
@@ -495,15 +529,28 @@ ansi_resize_check (ANSI * a)
 
   crt_reset (&a->crt);
 
+ if (new_width) 
+	a->crt.width=new_width;
+
 // FIXME: -- echos back crap?
 //  a->terminal->xmit (a->terminal, "\033[c", 3);
 
+// maybe - issue 132 column command if we're 132?
+
   ansi_cls (a);
   a->terminal->xmit (a->terminal, "\033=", 2);
   a->terminal->xmit (a->terminal, "\033[?6l", 5);
   a->terminal->xmit (a->terminal, "\033[r", 3);
+  if (a->utf8) {
+  a->terminal->xmit (a->terminal,"\033%G",3);
+  } else {
+  a->terminal->xmit (a->terminal,"\033(B",3);
+  a->terminal->xmit (a->terminal,"\033)0",3);
+  a->terminal->xmit (a->terminal,"\017",1);
+  }
 
 }
+}
 
 #define HISTORY_GUESS_SCROLL 24 /*guess all 24 lines usually scroll */
 /*if they haven't then ansi_draw will patch it up*/
@@ -517,9 +564,9 @@ ansi_history (ANSI * a, History * h)
 
   if (a->history_ptr == h->wptr)
     return;
-  ansi_resize_check (a);
+  ansi_resize_check (a,0);
 
-  if ((a->size.x < CRT_COLS) || (a->size.y < CRT_ROWS))
+  if ((a->size.x < a->crt.width) || (a->size.y < CRT_ROWS))
     return;
 
   ansi_force_attr_normal (a);
@@ -568,7 +615,7 @@ ansi_history (ANSI * a, History * h)
           {
             memcpy (&a->crt.screen[CRT_ADDR_POS (&e)],
                     &a->crt.screen[CRT_ADDR_POS (&s)],
-                    sizeof (CRT_CA) * CRT_COLS);
+                    sizeof (CRT_CA)*a->crt.width);
           }
 
         /* erase new line */
@@ -594,8 +641,7 @@ ansi_draw (ANSI * a, CRT * c)
   int o;
   int hidden_cursor = 0;
 
-  ansi_resize_check (a);
-
+  ansi_resize_check (a,c->width);
 
 
   for (p.y = 0; p.y < CRT_ROWS; ++p.y)
@@ -608,7 +654,7 @@ ansi_draw (ANSI * a, CRT * c)
     }
 
 
-  if ((CRT_COLS > a->size.x) || (CRT_ROWS > a->size.y))
+  if ((c->width > a->size.x) || (CRT_ROWS > a->size.y))
     {
       char msg[1024];           // = "Window is too small";
       int i;
@@ -617,7 +663,7 @@ ansi_draw (ANSI * a, CRT * c)
 
       i =
         sprintf (msg, "Window too small (%dx%d need %dx%d)", a->size.x,
-                 a->size.y, CRT_COLS, CRT_ROWS);
+                 a->size.y, c->width, CRT_ROWS);
 
       ansi_showhide_cursor (a, 1);
       ansi_set_attr (a, CRT_ATTR_REVERSE);
diff --git a/src/crt.c b/src/crt.c
index 87b814d..693e003 100644
--- a/src/crt.c
+++ b/src/crt.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * 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 ***
  *
@@ -74,7 +77,9 @@ crt_cls (CRT * c)
   int i;
 
   crt_erase (c, s, e, 1, CRT_COLOR_NORMAL);
+#if 0
   c->sh.dir = 0;
+#endif
 }
 
 void
@@ -87,9 +92,11 @@ crt_scroll_up (CRT * c, CRT_Pos s, CRT_Pos e, int ea, int color)
   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++;
@@ -120,9 +127,11 @@ crt_scroll_down (CRT * c, CRT_Pos s, CRT_Pos e, int ea, int color)
   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++;
@@ -152,7 +161,10 @@ crt_reset (CRT * c)
   c->pos.x = 0;
   c->pos.y = 0;
   c->hide_cursor = 1;
+  c->width=CRT_COLS;
+#if 0
   c->sh.dir = 0;
+#endif
 }
 
 void
@@ -169,5 +181,7 @@ 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
 }
diff --git a/src/crt.h b/src/crt.h
index 7eee5ac..5883c04 100644
--- a/src/crt.h
+++ b/src/crt.h
@@ -12,6 +12,9 @@
 
 /*
  * $Log$
+ * Revision 1.12  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
  * Revision 1.11  2008/02/26 19:08:27  james
  * *** empty log message ***
  *
@@ -115,8 +118,8 @@ typedef struct CRT_struct
 {
   CRT_CA screen[CRT_CELS];
   CRT_Pos pos;
-  CRT_ScrollHint sh;
   int hide_cursor;
+  int width;
 } CRT;
 
 
diff --git a/src/prototypes.h b/src/prototypes.h
index c2c0a8e..735617b 100644
--- a/src/prototypes.h
+++ b/src/prototypes.h
@@ -16,7 +16,6 @@ extern ANSI *ansi_new_html(FILE *f);
 /* vt102.c */
 extern int vt102_cmd_length[128];
 extern int vt102_cmd_termination[128];
-extern void redispatch_with_more(VT102_parser *p, int n);
 extern void vt102_log_line(Context *c, int line);
 extern void vt102_history(Context *c, CRT_Pos t, CRT_Pos b);
 extern void vt102_clip_cursor(VT102 *v, CRT_Pos tl, CRT_Pos br);
@@ -41,10 +40,11 @@ extern void vt102_change_attr(VT102 *v, char *na);
 extern void vt102_parse_attr_string(VT102 *v, char *buf, int len);
 extern void vt102_save_state(VT102 *v);
 extern void vt102_restore_state(VT102 *v);
-extern void vt102_regular_char(Context *c, VT102 *v, int ch);
+extern void vt102_regular_char(Context *c, VT102 *v, uint32_t ch);
+extern int vt102_send_id(Context *c, char *buf);
 extern void vt102_scs(Context *c, int g, int s);
-extern void vt102_parse_esc(Context *c);
 extern void vt102_parse_csi(Context *c, char *buf, int len);
+extern void vt102_parse_esc(Context *c);
 extern void vt102_status_line(VT102 *v, char *str);
 extern void vt102_parser_reset(VT102_parser *p);
 extern void vt102_reset_state(VT102 *v);
@@ -165,3 +165,10 @@ extern void utf8_flush(Context *c);
 extern void utf8_parse(Context *c, uint32_t ch);
 extern UTF8 *utf8_new(void);
 extern void utf8_emit(TTY *t, int ch);
+/* vt102_charset.c */
+extern uint32_t vt102_charset_c0[128];
+extern uint32_t vt102_charset_us[128];
+extern uint32_t vt102_charset_uk[128];
+extern uint32_t vt102_charset_vt52[128];
+extern uint32_t vt102_charset_gl[128];
+extern uint32_t *charset_from_csid[];
diff --git a/src/ptty.c b/src/ptty.c
index bddc56e..98f1282 100644
--- a/src/ptty.c
+++ b/src/ptty.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.11  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
  * Revision 1.10  2008/02/24 00:42:53  james
  * *** empty log message ***
  *
@@ -147,7 +150,7 @@ ptty_open (char *path, char *argv[])
 
   client_termios (&ctermios);
   winsize.ws_row = VT102_ROWS;
-  winsize.ws_col = VT102_COLS;
+  winsize.ws_col = VT102_COLS_80;
 
   child = forkpty (&fd, name, &ctermios, &winsize);
 
diff --git a/src/serial.c b/src/serial.c
index 1044bb2..fe08594 100644
--- a/src/serial.c
+++ b/src/serial.c
@@ -6,11 +6,16 @@
  *
  */
 
-static char rcsid[] =
-  "$Id$";
+static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.11  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
+ * Revision 1.10  2008/02/24 00:47:14  james
+ * *** empty log message ***
+ *
  * Revision 1.9  2008/02/24 00:42:53  james
  * *** empty log message ***
  *
@@ -202,7 +207,7 @@ serial_open (char *path, int lock_mode)
   t->fd = fd;
   t->rfd = t->fd;
   t->wfd = t->fd;
-  t->size.x = VT102_COLS;
+  t->size.x = VT102_COLS_80;
   t->size.y = VT102_ROWS;
   t->blocked = serial_lock_check (t->lock);
   t->hanging_up = 0;
diff --git a/src/terminal.c b/src/terminal.c
index 9a3290e..d0cde99 100644
--- a/src/terminal.c
+++ b/src/terminal.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.10  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
  * Revision 1.9  2008/02/15 03:32:07  james
  * *** empty log message ***
  *
@@ -97,11 +100,15 @@ terminal_close (TTY * _t)
   set_nonblocking (t->wfd);
 
 
-  t->xmit (_t, "\033[r", 3);
-  t->xmit (_t, "\033[0m", 4);
-  i = sprintf (buf, "\033[%d;%dH", CRT_ROWS + 1, 1);
+  t->xmit (_t,"\033%@",3); //Leave UTF-8
+  t->xmit (_t,"\033(B",3); //US-ASCII in G0
+  t->xmit (_t,"\033)B",3); //US-ASCII in G1
+  t->xmit (_t,"\017",1); //Select G0
+  t->xmit (_t, "\033[r", 3); //No margins
+  t->xmit (_t, "\033[0m", 4); //Default attributes
+  i = sprintf (buf, "\033[%d;%dH", CRT_ROWS + 1, 1); //Cursor to bottom
   t->xmit (_t, buf, i);
-  t->xmit (_t, "\033[J", 3);
+  t->xmit (_t, "\033[J", 3); //erase rest of screen
 
   set_blocking (t->rfd);
   set_blocking (t->wfd);
diff --git a/src/utf8.c b/src/utf8.c
index ff8a2ec..e324a53 100644
--- a/src/utf8.c
+++ b/src/utf8.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.6  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
  * Revision 1.5  2008/02/24 00:42:53  james
  * *** empty log message ***
  *
@@ -180,3 +183,4 @@ utf8_emit (TTY * t, int ch)
       t->xmit (t, buf, 4);
     }
 }
+
diff --git a/src/vt102.c b/src/vt102.c
index b4fe381..721886b 100644
--- a/src/vt102.c
+++ b/src/vt102.c
@@ -10,6 +10,9 @@ static char rcsid[] = "$Id$";
 
 /*
  * $Log$
+ * Revision 1.41  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
  * Revision 1.40  2008/02/26 19:00:59  james
  * *** empty log message ***
  *
@@ -295,7 +298,7 @@ ESC+B
 
 #define TABLE_LENGTH 128
 
-static char terminal_id[]="vt102";
+static char terminal_id[] = "vt102";
 
 /* number of aditional chars after \033 ... to complete the escape if it's fixed length*/
 int vt102_cmd_length[TABLE_LENGTH] = {
@@ -341,14 +344,15 @@ csi_ender (int c)
   return 0;
 }
 
-
-
-/*Stay or enter command acquision and exit after n more chars*/
-void
-redispatch_with_more (VT102_parser * p, int n)
+static inline int ctrl_chr(int ch,int term)
 {
+if ((term>0) && (ch==term)) return 0;
+if (ch==033) return 0;
+if ((ch>0) && (ch<040)) return 1;
+return 0;
 }
 
+
 static inline int
 in_margins (VT102 * v, CRT_Pos p)
 {
@@ -368,9 +372,9 @@ in_margins (VT102 * v, CRT_Pos p)
 void
 vt102_log_line (Context * c, int line)
 {
-  CRT_Pos e = { VT102_COLS - 1, line };
+  CRT_Pos e = { c->v->current_width - 1, line };
   CRT_Pos p = { 0, line };
-  char logbuf[VT102_COLS + 1];
+  char logbuf[VT102_MAX_COLS + 1];
 
   if (!c->l)
     return;
@@ -551,8 +555,9 @@ vt102_cursor_advance (Context * c)
 void
 vt102_cursor_retreat (VT102 * v)
 {
-  if (v->pos.x != v->top_margin.x)
+  if (v->pos.x != v->top_margin.x) {
     v->pos.x--;
+  }
 
   v->pending_wrap = 0;
 }
@@ -564,7 +569,7 @@ vt102_reset_tabs (VT102 * v)
 
   memset (v->tabs, 0, sizeof (v->tabs));
 
-  for (i = 0; i < VT102_COLS; i += 8)
+  for (i = 0; i < VT102_MAX_COLS; i += 8)
     {
       v->tabs[i]++;
     }
@@ -610,7 +615,7 @@ vt102_cursor_absolute (VT102 * v, int x, int y)
   if (v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE])
     {
       v->pos.x = x + v->top_margin.x;
-      v->pos.y = y + v->top_margin.x;
+      v->pos.y = y + v->top_margin.y;
     }
   else
     {
@@ -708,15 +713,20 @@ vt102_change_mode (VT102 * v, int private, char *ns, int set)
         case VT102_PRIVATE_MODE_ORIGIN_MODE:
           vt102_cursor_home (v);
           break;
-	case VT102_PRIVATE_MODE_132COLS:
-  /* We don't implement 132 col mode - yet*/
-  v->top_margin = v->screen_start;
-  v->bottom_margin = v->screen_end;
-  vt102_cursor_home(v);
-  crt_cls (&v->crt);
-	
+        case VT102_PRIVATE_MODE_132COLS:
+          /* We don't implement 132 col mode - yet */
+
+	  v->current_width=v->private_modes[VT102_PRIVATE_MODE_132COLS] ? VT102_COLS_132:VT102_COLS_80;
 
-	  break;
+  	  v->crt.width=v->current_width;
+	  v->screen_end.x=v->current_width-1;
+          v->top_margin = v->screen_start;
+          v->bottom_margin = v->screen_end;
+          vt102_cursor_home (v);
+          crt_cls (&v->crt);
+
+
+          break;
         }
 
     }
@@ -956,7 +966,7 @@ vt102_restore_state (VT102 * v)
 }
 
 void
-vt102_regular_char (Context * c, VT102 * v, int ch)
+vt102_regular_char (Context * c, VT102 * v, uint32_t ch)
 {
 
   vt102_do_pending_wrap (c);
@@ -964,7 +974,12 @@ vt102_regular_char (Context * c, VT102 * v, int ch)
   if (v->modes[VT102_MODE_INSERT])
     vt102_insert_into_line (v, v->pos);
 
-  v->crt.screen[CRT_ADDR_POS (&v->pos)].chr = ch;
+  if (ch < VT102_CHARSET_SIZE ){ 
+	int cs=charset_from_csid[v->g[v->cs]][ch];
+  	v->crt.screen[CRT_ADDR_POS (&v->pos)].chr = cs ?cs:ch;
+  }  else {
+	v->crt.screen[CRT_ADDR_POS (&v->pos)].chr=ch;
+  }
   v->crt.screen[CRT_ADDR_POS (&v->pos)].attr = v->attr;
   v->crt.screen[CRT_ADDR_POS (&v->pos)].color = v->color;
   vt102_cursor_advance (c);
@@ -972,20 +987,46 @@ vt102_regular_char (Context * c, VT102 * v, int ch)
   v->last_reg_char = ch;
 }
 
-vt102_send_id(Context *c,char *buf)
+vt102_send_id (Context * c, char *buf)
 {
-	
-      if (c->t)
-        {
-	int l=strlen(buf);
-          c->t->xmit (c->t, buf,l);
-	}
+
+  if (c->t)
+    {
+      int l = strlen (buf);
+      c->t->xmit (c->t, buf, l);
+    }
 }
 
 void
 vt102_scs (Context * c, int g, int s)
 {
-/*Ignoring charsets*/
+VT102 *v=c->v;
+int cs=VT102_CSID_US;
+
+
+switch (s) {
+case 'A':
+	cs=VT102_CSID_UK;
+	break;
+case '1':
+case '2':
+case 'B':
+	cs=VT102_CSID_US;
+	break;
+case '0':
+	cs=VT102_CSID_GL;
+	break;
+}
+
+switch(g) {
+case '(':
+	v->g[0]=cs;
+	break;
+case ')':
+	v->g[1]=cs;
+	break;
+}
+
 }
 
 void
@@ -1088,7 +1129,7 @@ vt102_parse_csi (Context * c, char *buf, int len)
         case 'K':
           {
             CRT_Pos ls = { 0, v->pos.y };
-            CRT_Pos le = { VT102_COLS - 1, v->pos.y };
+            CRT_Pos le = { v->current_width -1, v->pos.y };
             if (len == 2)
               narg = 0;         /*Different default */
 
@@ -1174,7 +1215,7 @@ vt102_parse_csi (Context * c, char *buf, int len)
             vt102_regular_char (c, v, v->last_reg_char);
           break;
         case 'c':
-	    vt102_send_id(c,terminal_id);
+          vt102_send_id (c, terminal_id);
           break;
         case 'd':
           vt102_cursor_absolute (v, v->pos.x, narg - 1);
@@ -1195,7 +1236,7 @@ vt102_parse_csi (Context * c, char *buf, int len)
             }
           break;
 
-        case 'i':	//Printer commands
+        case 'i':              //Printer commands
           //FIXME
           break;
         case 'h':
@@ -1207,13 +1248,13 @@ vt102_parse_csi (Context * c, char *buf, int len)
         case 'm':
           vt102_parse_attr_string (v, &buf[1], len - 1);
           break;
-        case 'n':       //Device status report
-	//5 requestion status
-	// 6 request cursor position FIXME
-	//?15n printer status
+        case 'n':              //Device status report
+          //5 requestion status
+          // 6 request cursor position FIXME
+          //?15n printer status
+          break;
+        case 'q':              //Load LED on off 
           break;
-	case 'q': //Load LED on off 
-	break;
         case 'r':
           v->top_margin = v->screen_start;
           v->bottom_margin = v->screen_end;
@@ -1244,8 +1285,8 @@ vt102_parse_csi (Context * c, char *buf, int len)
           vt102_cursor_normalize (v);
           v->pending_wrap = 0;
           break;
-	case 'y': //Invoke confidence test
-	break;
+        case 'y':              //Invoke confidence test
+          break;
 
         default:
           log_f (c->l, "<%s:%d unhandled CSI: \\033%s>", __FILE__, __LINE__,
@@ -1271,11 +1312,14 @@ vt102_parse_esc (Context * c)
   VT102_parser *p = &v->parser;
 
 #if 1
-p->cmd_buf[p->cmd_ptr]=0;
-log_f (c->l, "<cmd in  x=%d y=%d <ESC>%s >",v->pos.x,v->pos.y,p->cmd_buf);
+  p->cmd_buf[p->cmd_ptr] = 0;
+  log_f (c->l, "<cmd in  x=%3d y=%2d aw=%d <ESC>%s >", v->pos.x, v->pos.y,v->pending_wrap,
+         p->cmd_buf);
 #endif
 
-#if 0 //VT52
+if (v->private_modes[VT102_PRIVATE_MODE_VT52]) {
+int ate=1;
+
   switch (p->cmd_buf[0])
     {
     case 'A':
@@ -1291,14 +1335,16 @@ log_f (c->l, "<cmd in  x=%d y=%d <ESC>%s >",v->pos.x,v->pos.y,p->cmd_buf);
       vt102_cursor_relative (v, -1, 0);
       break;
     case 'F':
-	//Set graphics mode
-	break;
-	case 'G':
-	//Quit graphics mode
-	break;
+      v->cs=1;
+      v->g[1]=VT102_CSID_VT52;
+      break;
+    case 'G':
+      v->cs=0;
+      v->g[0]=VT102_CSID_US;
+      break;
     case 'H':
-	vt102_cursor_absolute (v, 0, 0);
-	break;
+      vt102_cursor_absolute (v, 0, 0);
+      break;
     case 'I':
       vt102_cursor_retreat_line (c);
       break;
@@ -1307,69 +1353,72 @@ log_f (c->l, "<cmd in  x=%d y=%d <ESC>%s >",v->pos.x,v->pos.y,p->cmd_buf);
       break;
     case 'K':
       {
-        CRT_Pos le = { VT102_COLS - 1, v->pos.y };
+        CRT_Pos le = { v->current_width - 1, v->pos.y };
         crt_erase (&v->crt, v->pos, le, 1, v->color);
       }
       break;
     case 'Y':
       vt102_cursor_absolute (v, p->cmd_buf[2] - 040, p->cmd_buf[1] - 040);
       break;
-case 'V': //Print current line
-	break;
-case 'W': //Printer on
-	break;
-case 'X': //printer off
-	break;
-case ']'://print screen
-	break;
-case 'Z'://ID
-	vt102_send_id(c,"\033/Z");
-	break;
-	}
-case '^': //Autoprint on
-	break;
-case '_'://Autoprint off
-	break;
-    case '=':
-      v->application_keypad_mode = 1;
+    case 'V':                  //Print current line
       break;
-    case '>':
-      v->application_keypad_mode = 0;
+    case 'W':                  //Printer on
+      break;
+    case 'X':                  //printer off
+      break;
+    case ']':                  //print screen
+      break;
+    case 'Z':                  //ID
+      vt102_send_id (c, "\033/Z");
       break;
+case '^':                      //Autoprint on
+  break;
+case '_':                      //Autoprint off
+  break;
+case '=':
+  v->application_keypad_mode = 1;
+  break;
+case '>':
+  v->application_keypad_mode = 0;
+  break;
+default:
+  ate=0;
+}
+if(ate) return;
+}
 
-#endif
 
 /*If you edit this switch don't forget to edit the length and termination tables*/
   switch (p->cmd_buf[0])
     {
-	case 'D':
-	vt102_cursor_advance_line(c);
-	break;
-	
+    case 'D':
+      vt102_cursor_advance_line (c);
+      break;
+
     case 'E':
-	vt102_cursor_advance_line(c);
-	v->pos.x=v->top_margin.x;
-  	vt102_cursor_normalize (v);
-  	v->pending_wrap = 0;
+      vt102_cursor_advance_line (c);
+      v->pos.x = v->top_margin.x;
+      vt102_cursor_normalize (v);
+      v->pending_wrap = 0;
       break;
     case 'H':
       v->tabs[v->pos.x]++;
       break;
-       case 'M':
+    case 'M':
       vt102_cursor_retreat_line (c);
       break;
-	case 'N': //select G2 for one char
-	break;
-	case 'O': //select G3 for one char
-	break;
-	case 'Z':
-	    vt102_send_id(c,terminal_id);
-	break;
-	case 'c':
-      vt102_reset(v);
+    case 'N':                  //select G2 for one char
+      break;
+    case 'O':                  //select G3 for one char
+      break;
+    case 'Z':
+      vt102_send_id (c, terminal_id);
+      break;
+    case 'c':
+      vt102_reset (v);
 
 
-	break;
+      break;
     case '=':
       v->application_keypad_mode = 1;
       break;
@@ -1380,11 +1429,11 @@ case '_'://Autoprint off
     case '#':
       switch (p->cmd_buf[1])
         {
-	case '3': //top of double height line
-	case '4': //bottom of double height line
-	case '5': //single width line
-	case '6': //double width line
-	break;
+        case '3':              //top of double height line
+        case '4':              //bottom of double height line
+        case '5':              //single width line
+        case '6':              //double width line
+          break;
         case '8':
            /*DECALN*/
           {
@@ -1394,7 +1443,7 @@ case '_'://Autoprint off
             for (i = 0; i < CRT_ADDR_POS (&v->screen_end); ++i)
               v->crt.screen[i].chr = 'E';
           }
-	break;
+          break;
         default:
 
           log_f (c->l,
@@ -1433,25 +1482,32 @@ case '_'://Autoprint off
       ;
     }
 
-p->cmd_buf[p->cmd_ptr]=0;
-log_f (c->l, "<cmd out x=%d y=%d>",v->pos.x,v->pos.y);
+  p->cmd_buf[p->cmd_ptr] = 0;
+  log_f (c->l, "<cmd out x=%3d y=%2d aw=%d>", v->pos.x, v->pos.y,v->pending_wrap);
 }
 
 void
 vt102_status_line (VT102 * v, char *str)
 {
-  int i = VT102_COLS;
+  int i = v->current_width -1;
   CRT_CA *ca = &v->crt.screen[CRT_ADDR (VT102_STATUS_ROW, 0)];
 
-  while (i--)
+  for (i=0;i<v->current_width;++i)
     {
       ca->attr = CRT_ATTR_REVERSE;
       ca->color = CRT_COLOR_NORMAL;
-      ca->chr = *str;
+      ca->chr = *str ? *str:' ';
       if (*str)
         str++;
       ca++;
     }
+  
+  for (;i<VT102_MAX_COLS;++i) {
+      ca->attr = CRT_ATTR_NORMAL;
+      ca->color = CRT_COLOR_NORMAL;
+	ca->chr=' ';
+      ca++;
+  }
 
 }
 
@@ -1476,6 +1532,10 @@ vt102_reset_state (VT102 * v)
 
   v->application_keypad_mode = 0;
 
+  v->current_width=VT102_COLS_80;
+  v->crt.width=v->current_width;
+  v->screen_end.x = v->current_width -1;
+
   v->top_margin = v->screen_start;
   v->bottom_margin = v->screen_end;
 
@@ -1488,6 +1548,9 @@ vt102_reset_state (VT102 * v)
   v->modes[VT102_MODE_LOCAL_ECHO_OFF] = 1;
 
   vt102_reset_tabs (v);
+
+  v->g[0]=v->g[1]=VT102_CSID_US;
+  v->cs=0;
 }
 
 static void
@@ -1548,16 +1611,19 @@ vt102_parse_char (Context * c, int ch)
     {
       vt102_reset_state (v);
     }
-  else if (p->in_cmd)
+  else if (p->in_cmd && !ctrl_chr(ch,p->cmd_termination))
     {
       p->cmd_buf[p->cmd_ptr++] = ch;
-      if (p->cmd_more_bytes) {
-        p->cmd_more_bytes--;
+	if (p->cmd_ptr==VT102_CMD_LEN)
+		p->in_cmd=0;
+      if (p->cmd_more_bytes)
+        {
+          p->cmd_more_bytes--;
 
 
-      if (!p->cmd_more_bytes == 1)
-        p->in_cmd = 0;
-	}
+          if (!p->cmd_more_bytes == 1)
+            p->in_cmd = 0;
+        }
 
       switch (p->cmd_termination)
         {
@@ -1580,9 +1646,8 @@ vt102_parse_char (Context * c, int ch)
           p->cmd_termination = 0;
         }
     }
-  else if (p->in_escape)
+  else if (p->in_escape && !ctrl_chr(ch,0))
     {
-
       p->cmd_ptr = 0;
       p->cmd_buf[p->cmd_ptr++] = ch;
       p->in_escape = 0;
@@ -1601,6 +1666,13 @@ vt102_parse_char (Context * c, int ch)
     }
   else
     {
+#if 1
+if (ch!=27)
+          log_f (c->l,
+  		 "<chr in  x=%3d y=%2d aw=%d  \\%03o %3d %c", 
+		v->pos.x, v->pos.y, v->pending_wrap,ch,ch,safe_ch(ch));
+
+#endif
 
       switch (ch)
         {
@@ -1611,7 +1683,7 @@ vt102_parse_char (Context * c, int ch)
          /*EOT*/ case 4:
           break;
          /*ENQ*/ case 5:
-	    vt102_send_id(c,terminal_id);
+          vt102_send_id (c, terminal_id);
           break;
          /*ACK*/ case 6:
          /*BEL*/ case 7:
@@ -1633,11 +1705,11 @@ vt102_parse_char (Context * c, int ch)
           break;
          /*SO*/ case 14:
           /*select G1 */
-          /*Ignoring charsets */
+	v->cs=1;
           break;
          /*SI*/ case 15:
           /*select G0 */
-          /*Ignoring charsets */
+	v->cs=0;
           break;
          /*DLE*/ case 16:
         /*DC1 */ case 17:
@@ -1661,13 +1733,13 @@ vt102_parse_char (Context * c, int ch)
          /*DEL*/ case 127:
           break;
         /*regular character */ default:
-#if 1
-  log_f (c->l, "char %3d %c   ie=%d ic=%d cmb=%d ct=%3d    %2d %2d %d", ch,
-         safe_ch (ch), p->in_escape, p->in_cmd, p->cmd_more_bytes,
-         p->cmd_termination, v->pos.x, v->pos.y, v->pending_wrap);
-#endif
           vt102_regular_char (c, v, ch);
         }
+
+#if 1
+	if (ch!=27)
+  	log_f (c->l, "<chr out x=%3d y=%2d aw=%d>", v->pos.x, v->pos.y,v->pending_wrap);
+#endif
     }
 
   v->crt.pos = v->pos;
@@ -1864,7 +1936,9 @@ vt102_reset (VT102 * v)
 
   v->screen_start.x = 0;
   v->screen_start.y = 0;
-  v->screen_end.x = VT102_COLS - 1;
+  v->current_width=VT102_COLS_80;
+  v->crt.width=v->current_width;
+  v->screen_end.x = v->current_width -1;
   v->screen_end.y = VT102_ROWS - 1;
 
   vt102_cursor_home (v);
diff --git a/src/vt102.h b/src/vt102.h
index 0ce734f..7be7d05 100644
--- a/src/vt102.h
+++ b/src/vt102.h
@@ -12,6 +12,9 @@
 
 /*
  * $Log$
+ * Revision 1.19  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
  * Revision 1.18  2008/02/26 19:08:27  james
  * *** empty log message ***
  *
@@ -74,7 +77,9 @@
 #define VT102_CMD_LEN 128
 
 #define VT102_ROWS		24
-#define VT102_COLS		132
+#define VT102_COLS_132		132
+#define VT102_COLS_80		80
+#define VT102_MAX_COLS		VT102_COLS_132
 #define VT102_STATUS_ROW	24
 
 #define VT102_NMODES		32
@@ -117,13 +122,18 @@ typedef struct
   uint8_t modes[VT102_NMODES];
   uint8_t private_modes[VT102_NMODES];
 
-  uint8_t tabs[VT102_COLS];
+  uint8_t tabs[VT102_COLS_132];
 
   int application_keypad_mode;
 
   int last_reg_char;
   int xn_glitch;
 
+  int current_width;
+
+  int g[2];
+  int cs;
+
 } VT102;
 
 #define VT102_PRIVATE_MODE_CURSOR_MODE		1
diff --git a/src/vt102_charset.c b/src/vt102_charset.c
new file mode 100644
index 0000000..bd0597a
--- /dev/null
+++ b/src/vt102_charset.c
@@ -0,0 +1,140 @@
+/*
+ * vt102_charset.c:
+ *
+ * Copyright (c) 2008 James McKenzie <james@fishsoup.dhs.org>,
+ * All rights reserved.
+ *
+ */
+
+static char rcsid[] = "$Id$";
+
+/*
+ * $Log$
+ * Revision 1.1  2008/02/26 23:23:17  james
+ * *** empty log message ***
+ *
+ */
+
+#include "project.h"
+
+uint32_t vt102_charset_c0[VT102_CHARSET_SIZE]={
+[0x00]=0x2400,
+[0x01]=0x2401,
+[0x02]=0x2402,
+[0x03]=0x2403,
+[0x04]=0x2404,
+[0x05]=0x2405,
+[0x06]=0x2406,
+[0x07]=0x2407,
+[0x08]=0x2408,
+[0x09]=0x2409,
+[0x0a]=0x240a,
+[0x0b]=0x240b,
+[0x0c]=0x240c,
+[0x0d]=0x240d,
+[0x0e]=0x240e,
+[0x0f]=0x240f,
+[0x10]=0x2410,
+[0x11]=0x2411,
+[0x12]=0x2412,
+[0x13]=0x2413,
+[0x14]=0x2414,
+[0x15]=0x2415,
+[0x16]=0x2416,
+[0x17]=0x2417,
+[0x18]=0x2418,
+[0x19]=0x2419,
+[0x1a]=0x241a,
+[0x1b]=0x241b,
+[0x1c]=0x241c,
+[0x1d]=0x241d,
+[0x1e]=0x241e,
+[0x1f]=0x241f,
+[0x7f]=0x2421,
+};
+
+uint32_t vt102_charset_us[VT102_CHARSET_SIZE]={0};
+
+uint32_t vt102_charset_uk[VT102_CHARSET_SIZE]={
+[0x23]=0x00a3,
+};
+
+uint32_t vt102_charset_vt52[VT102_CHARSET_SIZE]={
+[0x5f]=0x25ae,
+[0x60]=0x25ae,
+[0x61]=0x25ae,
+[0x62]=0x215f, 1/
+[0x63]='3',
+[0x64]='5',
+[0x65]='7',
+[0x66]=0x00b0, 
+[0x67]=0x00b1,
+[0x68]=0x2192, 
+[0x69]=0x2026,  
+[0x6a]=0x00f7,  
+[0x6b]=0x2193,  
+[0x6c]=0x25ba, // bar scan 0
+[0x6d]=0x23ba, bar scan 1
+[0x6e]=0x25ba, // bar scan 2
+[0x6f]=0x23bb, bar scan 3
+[0x70]=0x23bb, //bar scan 4
+[0x71]=0x2500, bar scan 5
+[0x72]=0x23bc, //bar scan 6
+[0x73]=0x23bc, bar scan 7
+[0x74]=0x2080,
+[0x75]=0x2081,
+[0x76]=0x2082,
+[0x77]=0x2083,
+[0x78]=0x2084,
+[0x79]=0x2085,
+[0x7a]=0x2086,
+[0x7b]=0x2087,
+[0x7c]=0x2088,
+[0x7d]=0x2089,
+[0x7e]=0x00b6
+};
+
+
+uint32_t vt102_charset_gl[VT102_CHARSET_SIZE]={
+[0x5f]=0x25ae,
+[0x60]=0x25c6,
+[0x61]=0x2592,
+[0x62]=0x2409,
+[0x63]=0x240c,
+[0x64]=0x240d,
+[0x65]=0x240a,
+[0x66]=0x00b0,
+[0x67]=0x00b1,
+[0x68]=0x2424,
+[0x69]=0x240b,
+[0x6a]=0x2518,
+[0x6b]=0x2510,
+[0x6c]=0x250c,
+[0x6d]=0x2514,
+[0x6e]=0x253c,
+[0x6f]=0x23ba,
+[0x70]=0x23bb,
+[0x71]=0x2500,
+[0x72]=0x23bc,
+[0x73]=0x23bd,
+[0x74]=0x251c,
+[0x75]=0x2524,
+[0x76]=0x2534,
+[0x77]=0x252c,
+[0x78]=0x2502,
+[0x79]=0x2264,
+[0x7a]=0x2265,
+[0x7b]=0x03c0,
+[0x7c]=0x2260,
+[0x7d]=0x00a3,
+[0x7e]=0x00b7
+};
+
+
+uint32_t *charset_from_csid[]={
+	[VT102_CSID_US]=vt102_charset_us,
+	[VT102_CSID_UK]=vt102_charset_uk,
+	[VT102_CSID_GL]=vt102_charset_gl,
+	[VT102_CSID_VT52]=vt102_charset_vt52
+};
+
-- 
2.30.2