diff --git a/edid_stockach.json b/edid_stockach.json
index df1343e..5860682 100644
--- a/edid_stockach.json
+++ b/edid_stockach.json
@@ -45,5 +45,24 @@
     "blue_y": 0.065,
     "white_x": 0.3125,
     "white_y": 0.329
+  },
+  "common_timing_modes": {
+    "m720_400_70": true,
+    "m720_400_88": false,
+    "m640_480_60": true,
+    "m640_480_67": false,
+    "m640_480_72": false,
+    "m640_480_75": true,
+    "m800_600_56": true,
+    "m800_600_60": true,
+    "m800_600_72": false,
+    "m800_600_75": true,
+    "m832_624_75": true,
+    "m1024_768_87": false,
+    "m1024_768_60": true,
+    "m1024_768_70": false,
+    "m1024_768_75": true,
+    "m1280_1024_75": true,
+    "m1152_870_75": true
   }
 }
diff --git a/main b/main
index 765140e..2c9646f 100755
Binary files a/main and b/main differ
diff --git a/main.c b/main.c
index 1703eb1..a9656e6 100644
--- a/main.c
+++ b/main.c
@@ -92,24 +92,24 @@ typedef struct __attribute__ (( packed )) {
   /*! Established timing bitmap. Supported bitmap for (formerly) very common
       timing modes. 3 bytes */
   struct __attribute__ (( packed )) {
-    uint8_t m720_400_70  : 1;
-    uint8_t m720_400_80  : 1;
-    uint8_t m640_480_60  : 1;
-    uint8_t m640_480_67  : 1;
-    uint8_t m640_480_72  : 1;
-    uint8_t m640_480_75  : 1;
-    uint8_t m800_600_56  : 1;
     uint8_t m800_600_60  : 1;
-    uint8_t m800_600_72  : 1;
-    uint8_t m800_600_75  : 1;
-    uint8_t m832_624_75  : 1;
-    uint8_t m1024_768_87 : 1;
-    uint8_t m1024_768_60 : 1;
-    uint8_t m1024_768_70 : 1;
-    uint8_t m1024_768_75 : 1;
+    uint8_t m800_600_56  : 1;
+    uint8_t m640_480_75  : 1;
+    uint8_t m640_480_72  : 1;
+    uint8_t m640_480_67  : 1;
+    uint8_t m640_480_60  : 1;
+    uint8_t m720_400_88  : 1;
+    uint8_t m720_400_70  : 1;
     uint8_t m1280_1024_75: 1;
-    uint8_t m1152_870_75 : 1;
+    uint8_t m1024_768_75 : 1;
+    uint8_t m1024_768_70 : 1;
+    uint8_t m1024_768_60 : 1;
+    uint8_t m1024_768_87 : 1;
+    uint8_t m832_624_75  : 1;
+    uint8_t m800_600_75  : 1;
+    uint8_t m800_600_72  : 1;
     uint8_t reserved     : 7;
+    uint8_t m1152_870_75 : 1;
   } common_timing_modes;
   /*! Standard timing information. Up to 8 2-byte fields describing standard
       display modes. Unused fields are filled with 01 01 hex. 16 bytes */
@@ -465,7 +465,6 @@ static int generate_chromaticity_coordinates( edid_t* edid,
                 "{chromaticity_coordinates: {white_x:  %f}}",
                 &multi_use_flt);
     multi_use_int = stp_round(1024.0f * multi_use_flt);
-    printf("white_y>%f, %d\n", multi_use_flt, multi_use_int);
     edid->chromaticity_coordinates.blue_white_lsbs.white_x = 0x3 & multi_use_int;
     edid->chromaticity_coordinates.white_x_msbs = 0xFF & multi_use_int >> 2;
     // White y
@@ -473,7 +472,6 @@ static int generate_chromaticity_coordinates( edid_t* edid,
                 "{chromaticity_coordinates: {white_y:  %f}}",
                 &multi_use_flt);
     multi_use_int = stp_round(1024.0f * multi_use_flt);
-    printf("white_y>%f, %d\n", multi_use_flt, multi_use_int);
     edid->chromaticity_coordinates.blue_white_lsbs.white_y = 0x3 & multi_use_int;
     edid->chromaticity_coordinates.white_y_msbs = 0xFF & multi_use_int >> 2;
   } else {
@@ -483,6 +481,88 @@ static int generate_chromaticity_coordinates( edid_t* edid,
   return 0;
 }
 
+static int generate_common_timing_modes(  edid_t* edid,
+                                          unsigned char* json_str,
+                                          size_t json_len)
+{
+  bool multi_use_bool;
+
+  if (edid && json_str) {
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m720_400_70: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m720_400_70 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m720_400_88: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m720_400_88 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m640_480_60: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m640_480_60 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m640_480_67: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m640_480_67 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m640_480_72: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m640_480_72 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m640_480_75: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m640_480_75 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m800_600_56: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m800_600_56 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m800_600_60: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m800_600_60 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m800_600_72: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m800_600_72 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m800_600_75: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m800_600_75 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m832_624_75: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m832_624_75 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m1024_768_87: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m1024_768_87 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m1024_768_60: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m1024_768_60 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m1024_768_70: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m1024_768_70 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m1024_768_75: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m1024_768_75 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m1280_1024_75: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m1280_1024_75 = 0x1 & multi_use_bool;
+    json_scanf( json_str, json_len,
+                "{common_timing_modes: {m1152_870_75: %B}}",
+                &multi_use_bool);
+    edid->common_timing_modes.m1152_870_75 = 0x1 & multi_use_bool;
+  } else {
+    printf("Error: One of either edid or json_str is NULL.\n");
+    return 1;
+  }
+  return 0;
+}
+
 int main(void)
 {
   //uint8_t edith[EDID_LENGTH];
@@ -500,6 +580,8 @@ int main(void)
   generate_header(&edith, mystr, len);
   generate_basic_display_parameters(&edith, mystr, len);
   generate_chromaticity_coordinates(&edith, mystr, len);
+  generate_common_timing_modes(&edith, mystr, len);
   disp_buf((uint8_t*)&edith, EDID_LENGTH);
+  free(mystr);
   return 0;
 }