mirror of
https://github.com/libretro/blueMSX-libretro.git
synced 2024-11-27 02:30:41 +00:00
Fix extension checking and SG-1000 8KB RAM mapper
- Fix extension checking; files with two-character extensions like .sg are now working. - The SG-1000 8KB RAM expansion mapper is now functioning and runs most games. - Add SG-1000 games that use the expansion card: Rally-X, Bomberman, Yie Ar Kung Fu II, Road Fighter, TwinBee, and Knightmare.
This commit is contained in:
jfroco
parent
b83fe4b699
commit
b5cbc7258a
@ -77,17 +77,27 @@ static void destroy(RomMapperSg1000RamExpander* rm)
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free(rm->romData);
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free(rm);
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}
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static UInt8 read(RomMapperSg1000RamExpander* rm, UInt16 address)
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{
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return rm->ram2[address & rm->mask2];
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}
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static UInt8 read_ram1(RomMapperSg1000RamExpander* rm, UInt16 address)
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{
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return rm->ram1[address - 0x2000];
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}
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static void write(RomMapperSg1000RamExpander* rm, UInt16 address, UInt8 value)
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{
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rm->ram2[address & rm->mask2] = value;
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}
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static void write_ram1(RomMapperSg1000RamExpander* rm, UInt16 address, UInt8 value)
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{
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rm->ram1[address-0x2000] = value;
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}
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int romMapperSg1000RamExpanderCreate(const char* filename, UInt8* romData,
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int size, int slot, int sslot, int startPage, int type)
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{
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@ -96,19 +106,19 @@ int romMapperSg1000RamExpanderCreate(const char* filename, UInt8* romData,
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int pages = size / 0x2000 + ((size & 0x1fff) ? 1 : 0);
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int i;
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if (size != 0x8000 || startPage != 0) {
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return 0;
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}
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// Some ROMs are 48KB
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// if (size != 0x8000 || startPage != 0) {
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// return 0;
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// }
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rm = malloc(sizeof(RomMapperSg1000RamExpander));
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rm->deviceHandle = deviceManagerRegister(type, &callbacks, rm);
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slotRegister(slot, sslot, startPage, pages, read, read, write, destroy, rm);
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rm->romData = malloc(pages * 0x2000);
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memcpy(rm->romData, romData, size);
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memset(rm->ram1, sizeof(rm->ram1), 0xff);
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memset(rm->ram2, sizeof(rm->ram2), 0xff);
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memset(rm->ram1, 0xff, sizeof(rm->ram1));
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memset(rm->ram2, 0xff, sizeof(rm->ram2));
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rm->slot = slot;
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rm->sslot = sslot;
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@ -118,15 +128,15 @@ int romMapperSg1000RamExpanderCreate(const char* filename, UInt8* romData,
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for (i = 0; i < pages; i++) {
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if (i + startPage >= 2) slot = 0;
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if (type == ROM_SG1000_RAMEXPANDER_A && i + startPage == 1) {
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slotMapPage(slot, sslot, i + startPage, rm->ram1, 1, 1);
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slotRegister(slot, sslot, i + startPage, 1, read_ram1, read_ram1, write_ram1, destroy, rm);
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}
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else {
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slotMapPage(slot, sslot, i + startPage, rm->romData + 0x2000 * i, 1, 0);
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}
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}
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slotMapPage(slot, sslot, 6, NULL, 0, 0);
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slotMapPage(slot, sslot, 7, NULL, 0, 0);
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slotMapPage(0, 0, 6, rm->ram2, 1, 1);
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slotMapPage(0, 0, 7, rm->ram2, 1, 1);
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return 1;
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}
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22
libretro.c
22
libretro.c
@ -122,39 +122,39 @@ int get_media_type(const char* filename)
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strcpy(workram, filename);
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lower_string(workram);
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extension = workram + strlen(workram) - 4;
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extension = workram + strlen(workram) - 3;
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if(strcmp(extension, ".dsk") == 0){
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if(strcmp(extension, "dsk") == 0){
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if (is_auto)
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strcpy(msx_type, "MSX2+");
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return MEDIA_TYPE_DISK;
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}
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else if(strcmp(extension, ".m3u") == 0){
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else if(strcmp(extension, "m3u") == 0){
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if (is_auto)
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strcpy(msx_type, "MSX2+");
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return MEDIA_TYPE_DISK_BUNDLE;
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}
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else if(strcmp(extension, ".cas") == 0){
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else if(strcmp(extension, "cas") == 0){
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if (is_auto)
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strcpy(msx_type, "MSX2+");
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return MEDIA_TYPE_TAPE;
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}
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else if(strcmp(extension, ".rom") == 0){
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else if(strcmp(extension, "rom") == 0){
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if (is_auto)
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strcpy(msx_type, "MSX2+");
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return MEDIA_TYPE_CART;
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}
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else if(strcmp(extension, ".mx1") == 0){
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else if(strcmp(extension, "mx1") == 0){
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if (is_auto)
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strcpy(msx_type, "MSX2+");
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return MEDIA_TYPE_CART;
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}
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else if(strcmp(extension, ".mx2") == 0){
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else if(strcmp(extension, "mx2") == 0){
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if (is_auto)
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strcpy(msx_type, "MSX2+");
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return MEDIA_TYPE_CART;
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}
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else if(strcmp(extension, ".col") == 0){
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else if(strcmp(extension, "col") == 0){
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if (is_auto){
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is_coleco = true;
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strcpy(msx_type, "COL - ColecoVision");
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@ -182,7 +182,7 @@ int get_media_type(const char* filename)
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}
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return MEDIA_TYPE_CART;
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}
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else if(strcmp(extension, ".sf7") == 0){
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else if(strcmp(extension, "sf7") == 0){
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if (is_auto){
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is_sega = true;
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strcpy(msx_type, "SEGA - SF-7000");
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@ -196,7 +196,7 @@ int get_media_type(const char* filename)
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}
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return MEDIA_TYPE_CART;
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}
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else if(strcmp(extension, ".omv") == 0){
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else if(strcmp(extension, "omv") == 0){
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if (is_auto){
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is_sega = true;
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strcpy(msx_type, "Othello Multivision");
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@ -899,7 +899,7 @@ bool retro_load_game(const struct retro_game_info *info)
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if (info)
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extract_directory(base_dir, info->path, sizeof(base_dir));
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check_variables(); // msx_type from configuration
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check_variables(); // msx_type from configuration
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if (environ_cb(RETRO_ENVIRONMENT_GET_SYSTEM_DIRECTORY, &dir) && dir)
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strcpy(properties_dir, dir);
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@ -3278,4 +3278,137 @@ f0f128b25e5557e660d936995e6bf25c8ebd17e5</hash>
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</systemrom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">Rally-X</title>
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<system>Sega</system>
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<company>DahJee</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">0c1957a5faae5254c69f3331e79d87499dd7cf48</hash>
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</rom>
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</dump>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">21770691191b62bafec9099bbe0f9942f5480f83</hash>
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</rom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">Tank Battalion</title>
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<system>Sega</system>
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<company>DahJee</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">0ca3b740b28266a2a606127ed8967c684b67cb44</hash>
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</rom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">Yie Ar Kung-Fu II</title>
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<system>Sega</system>
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<company>DahJee</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">44fb2dca3774f859f0ae0ad4d809a67f760cf9ae</hash>
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</rom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">*Bomberman Special</title>
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<system>Sega</system>
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<company>DahJee</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">d1d56bcd996df94458f5901dc537a5e30021256b</hash>
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</rom>
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</dump>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">455838571dd8287d491431e03269b0ccd292c8b8</hash>
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</rom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">Legend of Kage</title>
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<system>Sega</system>
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<company>DahJee</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">902dbb122bf0efc76604a876c3fae51c074bdc6a</hash>
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</rom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">Road Fighter</title>
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<system>Sega</system>
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<company>Jumbo</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">4f1a139974e3db27af5973bc9572ed68acd6ea68</hash>
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</rom>
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</dump>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">2755f74019dc94559fd0c2248e2ecb7f48879b90</hash>
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</rom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">Knightmare</title>
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<system>Sega</system>
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<company>Jumbo</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">babdb6b109b20e81c28cd892c2042723e9cbff49</hash>
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</rom>
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</dump>
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</software>
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<software>
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<title xml:lang="en">TwinBee</title>
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<system>Sega</system>
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<company>Jumbo</company>
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<year>1986</year>
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<country>TW</country>
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<dump>
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<original value="false" />
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<rom>
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<type>sg1000ramA</type>
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<hash algo="sha1">a8c30043c145e63f79a3265dde167529f0e08d49</hash>
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</rom>
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</dump>
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</software>
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</softwaredb>
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