bold works !!

user/ansi_parser_callbacks.c

@@ -222,16 +222,17 @@ apars_handle_CSI(char leadchar, int *params, char keychar)
 				int n = params[i];
 
 				if (i == 0 && n == 0) { // reset SGR
-					screen_reset_cursor();
+					screen_reset_cursor(); // resets colors, inverse and bold.
 					break; // cannot combine reset with others
 				}
 				else if (n >= 30 && n <= 37) screen_set_fg(n-30); // ANSI normal fg
 				else if (n >= 40 && n <= 47) screen_set_bg(n-40); // ANSI normal bg
 				else if (n == 39) screen_set_fg(7); // default fg
-				else if (n == 49) screen_set_bg(0); // default bg
-				else if (n == 7) screen_inverse(1); // inverse
-				else if (n == 27) screen_inverse(0); // positive
-				else if (n == 1) screen_set_bright_fg(); // ANSI bold = bright fg
+				else if (n == 49) screen_set_bg(false); // default bg
+				else if (n == 7) screen_inverse(true); // inverse
+				else if (n == 27) screen_inverse(false); // positive
+				else if (n == 1) screen_set_bold(true); // ANSI bold = bright fg
+				else if (n == 21 || n == 22) screen_set_bold(false); // ANSI bold = bright fg
 				else if (n >= 90 && n <= 97) screen_set_fg(n-90+8); // AIX bright fg
 				else if (n >= 100 && n <= 107) screen_set_bg(n-100+8); // AIX bright bg
 			}

user/screen.c

@@ -116,6 +116,7 @@ clear_range(unsigned int from, unsigned int to)
 		screen[i].c[3] = 0;
 		screen[i].fg = fg;
 		screen[i].bg = bg;
+		screen[i].bold = false;
 	}
 }
 
@@ -502,11 +503,18 @@ screen_inverse(bool inverse)
  * This relates to the '1' SGR command which originally means
  * "bold font". We interpret that as "Bright", similar to other
  * terminal emulators.
+ *
+ * Note that the bright colors can be used without bold using the 90+ codes
  */
 void ICACHE_FLASH_ATTR
-screen_set_bright_fg(void)
+screen_set_bold(bool bold)
 {
-	cursor.fg = (Color) ((cursor.fg % 8) + 8);
+	if (!bold) {
+		cursor.fg = (Color) (cursor.fg % 8);
+	} else {
+		cursor.fg = (Color) ((cursor.fg % 8) + 8); // change anything to the bright colors
+	}
+	cursor.bold = bold;
 }
 
 //endregion
@@ -591,6 +599,7 @@ screen_putchar(const char *ch)
 		c->fg = cursor.fg;
 		c->bg = cursor.bg;
 	}
+	c->bold = cursor.bold;
 
 	cursor.x++;
 	// X wrap

user/screen.h

@@ -170,7 +170,7 @@ void screen_set_fg(Color color);
 void screen_set_bg(Color color);
 
 /** make foreground bright */
-void screen_set_bright_fg(void);
+void screen_set_bold(bool bold);
 
 /** Set cursor foreground and background color */
 void screen_set_colors(Color fg, Color bg);