+void
+vt102_parse_mode_string (VT102 * v, char *buf, int len)
+{
+ int private = 0;
+ char last = buf[len - 1];
+ char num[4];
+ int o;
+
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+
+ len--;
+
+ if (*buf == '?')
+ {
+ private++;
+ buf++;
+ len--;
+ }
+
+ if (len < 0)
+ return;
+
+ while (len--)
+ {
+ if (*buf == ';')
+ {
+ vt102_change_mode (v, private, &num[o], last == 'h');
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+ buf++;
+ continue;
+ }
+
+ num[0] = num[1];
+ num[1] = num[2];
+ num[2] = *buf;
+
+ if (o)
+ o--;
+
+ buf++;
+ }
+
+ vt102_change_mode (v, private, &num[o], last == 'h');
+
+}
+
+
+void
+vt102_change_attr (VT102 * v, char *na)
+{
+ int a;
+
+
+ if (*na)
+ {
+ a = atoi (na);
+ }
+ else
+ {
+ a = 0;
+ }
+
+ switch (a)
+ {
+ case 0:
+ v->attr = CRT_ATTR_NORMAL;
+ v->color= CRT_COLOR_NORMAL;
+ break;
+ case 1:
+ v->attr |= CRT_ATTR_BOLD;
+ break;
+ case 21:
+ case 22:
+ v->attr &= ~CRT_ATTR_BOLD;
+ break;
+ case 4:
+ v->attr |= CRT_ATTR_UNDERLINE;
+ break;
+ case 24:
+ v->attr &= ~CRT_ATTR_UNDERLINE;
+ break;
+ case 5:
+ v->attr |= CRT_ATTR_BLINK;
+ break;
+ case 25:
+ v->attr &= ~CRT_ATTR_BLINK;
+ break;
+ case 7:
+ v->attr |= CRT_ATTR_REVERSE;
+ break;
+ case 27:
+ v->attr &= ~CRT_ATTR_REVERSE;
+ break;
+ case 30:
+ case 31:
+ case 32:
+ case 33:
+ case 34:
+ case 35:
+ case 36:
+ case 37:
+ v->color &= ~CRT_COLOR_FG_MASK;
+ v->color |= ((a-30) << CRT_COLOR_FG_SHIFT) & CRT_COLOR_FG_MASK;
+ break;
+ case 90:
+ case 91:
+ case 92:
+ case 93:
+ case 94:
+ case 95:
+ case 96:
+ case 97:
+ v->color &= ~CRT_COLOR_FG_MASK;
+ v->color |= (((a-90)|CRT_COLOR_INTENSITY) << CRT_COLOR_FG_SHIFT) & CRT_COLOR_FG_MASK;
+ break;
+ case 39:
+ case 99:
+ v->color &= ~CRT_COLOR_FG_MASK;
+ v->color |= (CRT_FGCOLOR_NORMAL << CRT_COLOR_FG_SHIFT) & CRT_COLOR_FG_MASK;
+ break;
+ case 40:
+ case 41:
+ case 42:
+ case 43:
+ case 44:
+ case 45:
+ case 46:
+ case 47:
+ v->color &= ~CRT_COLOR_BG_MASK;
+ v->color |= ((a-40) << CRT_COLOR_BG_SHIFT) & CRT_COLOR_BG_MASK;
+ break;
+ case 100:
+ case 101:
+ case 102:
+ case 103:
+ case 104:
+ case 105:
+ case 106:
+ case 107:
+ v->color &= ~CRT_COLOR_BG_MASK;
+ v->color |= (((a-100)|CRT_COLOR_INTENSITY) << CRT_COLOR_BG_SHIFT) & CRT_COLOR_BG_MASK;
+ break;
+ case 49:
+ case 109:
+ v->color &= ~CRT_COLOR_BG_MASK;
+ v->color |= (CRT_BGCOLOR_NORMAL << CRT_COLOR_BG_SHIFT) & CRT_COLOR_BG_MASK;
+ break;
+
+ default:
+ ;
+#if 0
+ fprintf (stderr, "unhandled SGR %d\n", a);
+#endif
+ }
+
+}
+
+
+void
+vt102_parse_attr_string (VT102 * v, char *buf, int len)
+{
+ int private = 0;
+ char last = buf[len - 1];
+ char num[4];
+ int o;
+
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+
+ len--;
+
+ if (len < 0)
+ return;
+
+ while (len--)
+ {
+ if (*buf == ';')
+ {
+ vt102_change_attr (v, &num[o]);
+ memset (num, 0, sizeof (num));
+ o = sizeof (num) - 1;
+ buf++;
+ continue;
+ }
+
+ num[0] = num[1];
+ num[1] = num[2];
+ num[2] = *buf;
+
+ if (o)
+ o--;
+
+ buf++;
+ }
+ vt102_change_attr (v, &num[o]);
+}
+
+void
+vt102_save_state (VT102 * v)
+{
+ v->saved.pos = v->pos;
+ v->saved.attr = v->attr;
+ v->saved.color= v->color;
+ v->saved.origin_mode = v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE];
+}
+
+void
+vt102_restore_state (VT102 * v)
+{
+ v->pos = v->saved.pos;
+ v->attr = v->saved.attr;
+ v->color= v->saved.color;
+ v->private_modes[VT102_PRIVATE_MODE_ORIGIN_MODE] = v->saved.origin_mode;
+ vt102_cursor_normalize (v);
+ v->pending_wrap = 0;
+}
+
+void vt102_scs(VT102 *c,int g,int s)
+{
+/*Ignoring charsets*/
+}
+
+void
+vt102_parse_esc (VT102 * v, int c)
+{
+ switch (c)
+ {
+ case 'E':
+ if (v->pos.y == v->bottom_margin.y)
+ {
+ vt102_log_line (v, v->pos.y);
+ crt_scroll_up (&v->crt, v->top_margin, v->bottom_margin, 1);
+ }
+ else
+ {
+ vt102_cursor_relative (v, 0, 1);
+ }
+ break;
+ case 'H':
+ v->tabs[v->pos.x]++;
+ break;
+ case 'M':
+ if (v->pos.y == v->top_margin.y)
+ {
+ crt_scroll_down (&v->crt, v->top_margin, v->bottom_margin, 1);
+ }
+ else
+ {
+ vt102_cursor_relative (v, 0, -1);
+ }
+ break;
+ case '7':
+ vt102_save_state (v);
+ break;
+ case '8':
+ vt102_restore_state (v);
+ break;
+ case '=':
+ v->application_keypad_mode = 1;
+ break;
+ case '>':
+ v->application_keypad_mode = 0;
+ break;
+ default:
+#if 0
+ fprintf (stderr, "unhandled ESC \\033 \\%03o (ESC %c)\n", c,
+ (c < 32) ? '?' : c);
+#endif
+ ;
+ }
+}