Revert to scrolling characters from first column

utils/tinygl.c

@@ -16,7 +16,6 @@ static font_t *font;
 static tinygl_text_mode_t text_mode = TINYGL_TEXT_MODE_STEP;
 static uint8_t message_index;
 static uint8_t scroll_pos = 0;
-static uint8_t display_pos = 0;
 static char message1[32] = "";
 
 
@@ -245,13 +244,6 @@ static bool tinygl_display_char (char ch)
         break;
 
     case TINYGL_TEXT_MODE_ROTATE_SCROLL_DOWN:
-        if ((display_pos + font->width) < TINYGL_WIDTH)
-        {
-            tinygl_draw_char (ch, tinygl_point (0, display_pos), 1);
-            display_pos += font->width + 1;
-            break;
-        }
-
         display_scroll_down ();
         
         for (x = 0; x < font->height; x++)
@@ -265,13 +257,7 @@ static bool tinygl_display_char (char ch)
         if (scroll_pos != 0)
             break;
 
-        if ((display_pos + font->width) > TINYGL_HEIGHT)
-            display_pos = 0;
-
-        tinygl_draw_char (ch, tinygl_point (0, display_pos), 1);
-        display_pos += font->width + 1; 
-        if ((display_pos + font->width) < TINYGL_WIDTH)
-            return 1;
+        tinygl_draw_char (ch, tinygl_point (0, 0), 1);
         break;
     }
         
@@ -288,7 +274,6 @@ static void tinygl_text_advance (void)
     if (!message1[message_index])
     {
         message_index = 0;
-        display_pos = 0;
     }
     
     if (message1[message_index])
@@ -305,7 +290,6 @@ void tinygl_text (const char *string)
 {
     message_index = 0;
     scroll_pos = 0;
-    display_pos = 0;
     strncpy (message1, string, sizeof (message1));
 }