ffight: re-add comment about button 3

Author: happppp

src/mame/capcom/cps1.cpp

@@ -1608,9 +1608,13 @@ static INPUT_PORTS_START( unsquad )
 	PORT_DIPSETTING(    0x00, DEF_STR( Test ) )
 INPUT_PORTS_END
 
-/* To access the hidden pattern test modes, turn the "Service Mode" dip to ON, and hold down "P1 Button 1"
+/* Final Fight button 3 is not officially documented and does not exist on the control panel, probably a leftover.
+   Pressing it will allow you to escape from grabs and choke holds instantly.
+
+   To access the hidden pattern test modes, turn the "Service Mode" dip to ON, and hold down "P1 Button 1"
    ('Ctrl') or "P1 Button 2" ('Alt') during the bootup test. Button 1 will load the Scroll (Background) test,
-   and Button 2 will load an Obj (Sprite) viewer. */
+   and Button 2 will load an Obj (Sprite) viewer.
+*/
 static INPUT_PORTS_START( ffight )
 	PORT_INCLUDE( cps1_3b )
 

src/mame/konami/k052109.cpp

@@ -566,7 +566,7 @@ void k052109_device::update_scroll()
 	{
 		u8 scrollctrl = m_scrollctrl >> (tmap * 3) & 7;
 
-		static int rows_table[4] = { 1, 1, 32, 256 };
+		static const int rows_table[4] = { 1, 1, 32, 256 };
 		int rows = rows_table[scrollctrl & 3];
 		int cols = BIT(scrollctrl, 2) ? 64 : 1;