Fixed some large keyboard bugs

Fixed some bugs relating to keyboards with more than 16 columns. Also
added the ability to mask off keyboard matrix bits.

keyboards/vision_division/config.h

@@ -33,6 +33,8 @@ along with this program.  If not, see <http://www.gnu.org/licenses/>.
 /* Debounce reduces chatter (unintended double-presses) - set 0 if debouncing is not needed */
 #define DEBOUNCING_DELAY 5
 
+#define MATRIX_MASKED
+
 /* define if matrix has ghost (lacks anti-ghosting diodes) */
 //#define MATRIX_HAS_GHOST
 

keyboards/vision_division/keymaps/default/keymap.c

@@ -142,6 +142,17 @@ enum keyboard_macros {
 #define ________________    _______, _______
 #define XXXXXXXXXXXXXXXX    XXXXXXX, XXXXXXX
 
+const matrix_row_t matrix_mask[MATRIX_ROWS] =
+{
+//  1098765432109876543210987654321
+  0b0000000001111111101111011111111,
+  0b0000000001111111111111111111111,
+  0b0000000001111111111111111111111,
+  0b0000000001111111111111111111111,
+  0b0000000001010111111111111111111,
+  0b0000000001111101111111101011111,
+};
+
 const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] =
 {
 /* LAYER = LAYER_QWERTY