Increase maximum value of ticks per minute setting

src/settings_type.h

@@ -147,7 +147,7 @@ struct GUISettings {
 	bool   timetable_leftover_ticks;         ///< whether to show leftover ticks after converting to minutes/days, in the timetable
 	bool   time_in_minutes;                  ///< whether to use the hh:mm conversion when printing dates
 	bool   timetable_start_text_entry;       ///< whether to enter timetable start times as text (hhmm format)
-	uint8  ticks_per_minute;                 ///< how many ticks per minute
+	uint16 ticks_per_minute;                 ///< how many ticks per minute
 	uint8  date_with_time;                   ///< whether to show the month and year with the time
 	uint16 clock_offset;                     ///< clock offset in minutes
 	bool   quick_goto;                       ///< Allow quick access to 'goto button' in vehicle orders window

src/table/settings.ini

@@ -3561,12 +3561,12 @@ strhelp  = STR_CONFIG_SETTING_TIMETABLE_START_TEXT_ENTRY_HELPTEXT
 
 [SDTC_VAR]
 var      = gui.ticks_per_minute
-type     = SLE_UINT8
+type     = SLE_UINT16
 flags    = SLF_NOT_IN_SAVE | SLF_NO_NETWORK_SYNC
 strval   = STR_JUST_INT
 def      = 74
 min      = 1
-max      = 255
+max      = 8192
 str      = STR_CONFIG_SETTING_TICKS_PER_MINUTE
 strhelp  = STR_CONFIG_SETTING_TICKS_PER_MINUTE_HELPTEXT
 proc     = RedrawScreen