Added MODE PAGE 1Dh

SCSI/Modes.cs

@@ -7396,6 +7396,99 @@ namespace DiscImageChef.Decoders.SCSI
 
         #endregion Certance Mode Page 0x22: Interface Control Mode Page
 
+        #region Mode Page 0x1D: Medium Configuration Mode Page
+        public struct ModePage_1D
+        {
+            /// <summary>
+            /// Parameters can be saved
+            /// </summary>
+            public bool PS;
+            public bool WORMM;
+            public byte WormModeLabelRestrictions;
+            public byte WormModeFilemarkRestrictions;
+        }
+
+        public static ModePage_1D? DecodeModePage_1D(byte[] pageResponse)
+        {
+            if(pageResponse == null)
+                return null;
+
+            if((pageResponse[0] & 0x40) == 0x40)
+                return null;
+
+            if((pageResponse[0] & 0x3F) != 0x1D)
+                return null;
+
+            if(pageResponse[1] + 2 != pageResponse.Length)
+                return null;
+
+            if(pageResponse.Length < 32)
+                return null;
+
+            ModePage_1D decoded = new ModePage_1D();
+
+            decoded.PS |= (pageResponse[0] & 0x80) == 0x80;
+            decoded.WORMM |= (pageResponse[2] & 0x01) == 0x01;
+            decoded.WormModeLabelRestrictions = pageResponse[4];
+            decoded.WormModeFilemarkRestrictions = pageResponse[5];
+
+            return decoded;
+        }
+
+        public static string PrettifyModePage_1D(byte[] pageResponse)
+        {
+            return PrettifyModePage_1D(DecodeModePage_1D(pageResponse));
+        }
+
+        public static string PrettifyModePage_1D(ModePage_1D? modePage)
+        {
+            if(!modePage.HasValue)
+                return null;
+
+            ModePage_1D page = modePage.Value;
+            StringBuilder sb = new StringBuilder();
+
+            sb.AppendLine("SCSI Medium Configuration Mode Page:");
+
+            if(page.PS)
+                sb.AppendLine("\tParameters can be saved");
+
+            if(page.WORMM)
+                sb.AppendLine("\tDrive is operating in WORM mode");
+
+            switch(page.WormModeLabelRestrictions)
+            {
+                case 0:
+                    sb.AppendLine("\tDrive does not allow any logical blocks to be overwritten");
+                    break;
+                case 1:
+                    sb.AppendLine("\tDrive allows a tape header to be overwritten");
+                    break;
+                case 2:
+                    sb.AppendLine("\tDrive allows all format labels to be overwritten");
+                    break;
+                default:
+                    sb.AppendFormat("\tUnknown WORM mode label restrictions code {0}", page.WormModeLabelRestrictions).AppendLine();
+                    break;
+            }
+
+            switch(page.WormModeFilemarkRestrictions)
+            {
+                case 2:
+                    sb.AppendLine("\tDrive allows any number of filemarks immediately preceding EOD to be overwritten except filemark closes to BOP");
+                    break;
+                case 3:
+                    sb.AppendLine("\tDrive allows any number of filemarks immediately preceding EOD to be overwritten");
+                    break;
+                default:
+                    sb.AppendFormat("\tUnknown WORM mode filemark restrictions code {0}", page.WormModeLabelRestrictions).AppendLine();
+                    break;
+            }
+
+            return sb.ToString();
+        }
+
+        #endregion Mode Page 0x1D: Medium Configuration Mode Page
     }
 }