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diff --git a/tstools/epgdump/dsmcc.c b/tstools/epgdump/dsmcc.c
new file mode 100644
index 0000000..7924935
--- /dev/null
+++ b/tstools/epgdump/dsmcc.c
@@ -0,0 +1,258 @@
+// -*- tab-width:4 -*-
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+
+#include "dsmcc.h"
+#include "ts_ctl.h"
+#include "clt2png.h"
+
+// STD-B21 p130 (144)
+// a_90-with-att.pdf p24 (29/99)
+int parseDSMCChead(unsigned char *data, DSMCChead *dsmh) {
+	int boff = 0;
+
+	memset(dsmh, 0, sizeof(DSMCChead));
+
+	dsmh->table_id = getBit(data, &boff, 8);
+	dsmh->section_syntax_indicator = getBit(data, &boff, 1);
+	dsmh->complement_indicator = getBit(data, &boff,1);
+	dsmh->reserved1 = getBit(data, &boff, 2);
+	dsmh->section_length = getBit(data, &boff, 12);
+	dsmh->table_id_extension = getBit(data, &boff, 16);
+	dsmh->reserved2 = getBit(data, &boff, 2);
+	dsmh->version_number = getBit(data, &boff, 5);
+	dsmh->current_next_indicator = getBit(data, &boff, 1);
+	dsmh->section_number = getBit(data, &boff, 8);
+	dsmh->last_section_number = getBit(data, &boff, 8);
+
+	return 8;
+}
+
+// a_90-with-att.pdf p29 (34/99)
+// 2-STD-B24v5_4-3p3.pdf p16 (30/125)
+int parseDSMCCbodyDII(unsigned char *data, DSMCCbodyDII *dsmbdii) {
+	int boff = 0, i;
+	DSMCCbodyDIIModule *module;
+
+	memset(dsmbdii, 0, sizeof(DSMCCbodyDII));
+
+	// header
+	dsmbdii->protocolDiscriminator = getBit(data, &boff, 8);
+	dsmbdii->dsmccType = getBit(data, &boff, 8);
+	dsmbdii->messageId = getBit(data, &boff, 16);
+	dsmbdii->transaction_id = getBit(data, &boff, 32);
+	dsmbdii->reserved = getBit(data, &boff, 8);
+	dsmbdii->adaptationLength = getBit(data, &boff, 8);
+	dsmbdii->messageLength = getBit(data, &boff, 16);
+	if ( dsmbdii->adaptationLength > 0 ) {
+		dsmbdii->dsmccAdaptationHeader = allocCopy(data, &boff, dsmbdii->adaptationLength);
+	}
+
+	// body
+	dsmbdii->downloadId = getBit(data, &boff, 32);
+	dsmbdii->blockSize = getBit(data, &boff, 16);
+	dsmbdii->windowSize = getBit(data, &boff, 8);
+	dsmbdii->ackPeriod = getBit(data, &boff, 8);
+	dsmbdii->tCDownloadWindow = getBit(data, &boff, 32);
+	dsmbdii->tCDownloadScenario = getBit(data, &boff, 32);
+	dsmbdii->compatibilityDescriptor = getBit(data, &boff, 16);
+/*
+	see http://www.atsc.org/cms/standards/a_90-with-att.pdf
+
+	compatibilityDescriptorLength	16
+	descriptorCount	16
+	for(i=0;i<descriptorCount;i++) {
+		descriptorType		8
+		descriptorLength	8
+		specifierType		8
+		specifierData		24
+		model				16
+		version				16
+		subDescriptorCount	8
+		for(j=0;j<subDescriptorCount;j++) {
+			subDescriptor() {
+				subDescriptorType	8
+				subDescriptorLength	8
+				for(k=0;k<subDescriptorLength;k++) {
+					additionalInformation	8
+		}
+	}
+*/
+	boff += dsmbdii->compatibilityDescriptor * 8;
+	dsmbdii->numberOfModules = getBit(data, &boff, 16);
+
+	if ( dsmbdii->numberOfModules > 0 ) {
+		dsmbdii->modules = calloc(1, sizeof(DSMCCbodyDIIModule) * dsmbdii->numberOfModules + 1000);
+
+		for (i=0; i<dsmbdii->numberOfModules; i++) {
+			module = dsmbdii->modules + sizeof(DSMCCbodyDIIModule) * i;
+			module->moduleId = getBit(data, &boff, 16);
+			module->moduleSize = getBit(data, &boff, 32);
+			module->moduleVersion = getBit(data, &boff, 8);
+			module->moduleInfoLength = getBit(data, &boff, 8);
+
+			if ( *(data + boff / 8) == 0x01 ) {
+				/* Type 記述子 モジュールの型(MIME 形式等) */
+				module->descriptor_tag = getBit(data, &boff, 8);
+				module->descriptor_length = getBit(data, &boff, 8);
+				module->Type = allocCopy(data, &boff, module->descriptor_length + 1);
+				module->Type[module->descriptor_length] = '\0';
+				// +1 byte for null-terminated
+			}
+			else if ( *(data + boff / 8) == 0x02 ) {
+				/* Name 記述子 モジュール名(ファイル名) */
+				module->descriptor_tag = getBit(data, &boff, 8);
+				module->descriptor_length = getBit(data, &boff, 8);
+				module->Name = allocCopy(data, &boff, module->descriptor_length + 1);
+				module->Name[module->descriptor_length] = '\0';
+			}
+			else if ( *(data + boff / 8) == 0x03 ) {
+				/* Info 記述子 モジュール情報(文字型) */
+				module->descriptor_tag = getBit(data, &boff, 8);
+				module->descriptor_length = getBit(data, &boff, 8);
+				boff += 24; // ISO_639_language_code
+				module->Info = allocCopy(data, &boff, module->descriptor_length - 3 + 1);
+				module->Info[module->descriptor_length] = '\0';
+			}
+			else {
+				module->moduleInfo = allocCopy(data, &boff, module->moduleInfoLength);
+			}
+		}
+	}
+
+	dsmbdii->privateDataLength = getBit(data, &boff, 8);
+	dsmbdii->privateData = allocCopy(data, &boff, dsmbdii->privateDataLength);
+
+	return boff / 8;
+}
+
+// a_90-with-att.pdf p35 (40/99)
+int parseDSMCCbodyDDB(unsigned char *data, DSMCCbodyDDB *dsmbddb) {
+	int boff = 0;
+
+	memset(dsmbddb, 0, sizeof(DSMCCbodyDDB));
+
+	// header
+	dsmbddb->protocolDiscriminator = getBit(data, &boff, 8);
+	dsmbddb->dsmccType = getBit(data, &boff, 8);
+	dsmbddb->messageId = getBit(data, &boff, 16);
+	dsmbddb->downloadId = getBit(data, &boff, 32);
+	dsmbddb->reserved1 = getBit(data, &boff, 8);
+	dsmbddb->adaptationLength = getBit(data, &boff, 8);
+	dsmbddb->messageLength = getBit(data, &boff, 16);
+	if ( dsmbddb->adaptationLength > 0 ) {
+		dsmbddb->dsmccAdaptationHeader = allocCopy(data, &boff, dsmbddb->adaptationLength);
+	}
+
+	// body
+	dsmbddb->moduleId = getBit(data, &boff, 16);
+	dsmbddb->moduleVersion = getBit(data, &boff, 8);
+	dsmbddb->reserved2 = getBit(data, &boff, 8);
+	dsmbddb->blockNumber = getBit(data, &boff, 16);
+	dsmbddb->blockData = allocCopy(data, &boff, dsmbddb->messageLength);
+
+	return boff / 8;
+}
+
+void dumpDSMCC(unsigned char *ptr, int * downloadDataId, DSM_CONTROL *dsmctl)
+{
+	DSMCChead  dsmh;
+	DSMCCbodyDII  dsmbdii;
+	DSMCCbodyDDB  dsmbddb;
+	DSMCCbodyDIIModule *module;
+
+	int len = 0;
+	int i = 0;
+
+	/* DSMCC */
+	len = parseDSMCChead(ptr, &dsmh);
+	ptr += len;
+	//loop_len = dsmh.section_length - (len - 3 + 4); // 3は共通ヘッダ長 4はCRC
+/*
+	printf("DSMCChead=(%d:%d:%d:%d)\n",
+		dsmh.table_id, dsmh.section_length, 
+		dsmh.table_id_extension, dsmh.section_number);
+*/
+	if ( dsmh.table_id == 0x3B ) {
+		len = parseDSMCCbodyDII(ptr, &dsmbdii);
+#if 0
+		printf("DSMCCbDII=(%d:%d:%d:%d:%d:%d) (%d:%d:%d:%d)\n",
+			dsmbdii.protocolDiscriminator, dsmbdii.dsmccType, 
+			dsmbdii.messageId, dsmbdii.transaction_id, 
+			dsmbdii.adaptationLength, dsmbdii.messageLength, 
+
+			dsmbdii.downloadId , dsmbdii.blockSize , dsmbdii.compatibilityDescriptor , 
+			dsmbdii.numberOfModules);
+#endif
+		for (i=0; i<dsmbdii.numberOfModules; i++) {
+			module = dsmbdii.modules + sizeof(DSMCCbodyDIIModule) * i;
+			// 0x01 Type 記述子
+			// 0x02 Name 記述子
+			// 0x03 Info 記述子
+			if ( module->descriptor_tag == 0x01 ) {
+				//printf("1 %s\n", module->Type);
+			}
+			else if ( module->descriptor_tag == 0x02 ) {
+				//printf("2 %s\n", module->Name);
+				// is_bs_cs == 1 && 
+				if ( !strncmp( module->Name, "LOGO", 4 ) ) {
+					//printf("%s(%d) : id = %d\n", module->Name, is_bs_cs, dsmbdii.downloadId);
+					*downloadDataId = dsmbdii.downloadId;
+				}
+				// なぜかBSにCSのロゴも載ってるため
+				// is_bs_cs == 2 && 
+				else if ( !strncmp( module->Name, "CS_LOGO", 7 ) ) {
+					//printf("%s(%d) : id = %d\n", module->Name, is_bs_cs, dsmbdii.downloadId);
+					*downloadDataId = dsmbdii.downloadId;
+				}
+			}
+			else if ( module->descriptor_tag == 0x03 ) {
+				//printf("3 %s\n", module->Info);
+			}
+		}
+	}
+	else if ( dsmh.table_id == 0x3C ) {
+		len = parseDSMCCbodyDDB(ptr, &dsmbddb);
+		if ( *downloadDataId == dsmbddb.downloadId ) {
+//		if ( 33882368 == dsmbddb.downloadId ) {
+//		{
+#if 0
+			printf("DSMCCbDDB=(%d:%d:%d:%d:%d:%d) (%d:%d:%d)\n",
+				dsmbddb.protocolDiscriminator, dsmbddb.dsmccType, 
+				dsmbddb.messageId, dsmbddb.downloadId, 
+				dsmbddb.adaptationLength, dsmbddb.messageLength, 
+
+				dsmbddb.moduleId , dsmbddb.moduleVersion , dsmbddb.blockNumber);
+#endif
+
+			for (i = 0; i < 1024; i++) {
+				if ( dsmctl[i].isUsed == 0 ) {
+					// リストの終端まで来たので
+					//printf("moduleId=%d as dsmctl[%d]\n", dsmbddb.moduleId, i);
+					dsmctl[i].moduleId = dsmbddb.moduleId;
+					dsmctl[i].lastBlockNumber = -1;
+					dsmctl[i].isUsed = 1;
+				}
+				if ( dsmctl[i].moduleId == dsmbddb.moduleId ) {
+					if ( dsmctl[i].lastBlockNumber + 1 == dsmbddb.blockNumber ) {
+						dsmbddb.messageLength -= 6; // length of moduleId, moduleVersion, reserved, blockNumber
+						//printf("moduleId=%d as dsmctl[%d] size %d += %d\n", dsmbddb.moduleId, i, dsmctl[i].blockSize, dsmbddb.messageLength);
+						dsmctl[i].blockData = realloc( dsmctl[i].blockData, dsmctl[i].blockSize + dsmbddb.messageLength );
+						memcpy( dsmctl[i].blockData + dsmctl[i].blockSize, dsmbddb.blockData, dsmbddb.messageLength );
+						dsmctl[i].blockSize += dsmbddb.messageLength;
+						dsmctl[i].lastBlockNumber++;
+					}
+					else {
+						//printf("ignoring %d(max %d)\n", dsmbddb.blockNumber, dsmctl[i].lastBlockNumber);
+					}
+					break;
+				}
+			}
+		}
+	}
+
+	return;
+}
+