Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-21 07:52:35 +03:00
Code Issues Actions 1 Packages Projects Releases Wiki Activity

cencourt key from CharlesM

Browse Source
This commit is contained in:
Michaël Banaan Ananas 2014-07-20 14:59:52 +00:00
parent 65ccadde16
commit 420068b216
4 changed files with 18 additions and 11 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

21
src/mame/drivers/segas16b.c
View File

@ -5477,15 +5477,10 @@ ROM_END
//*************************************************************************************************************************
// Center Court, Sega System 16B
// CPU: 68000
// CPU: 68000 + MC8123 (317-???? - what is the label?)
// ROM Board No. 171-5358
// Note: prototype board, checksums handwritten on prg roms, EPR stickers present on other roms, but handwritten locations instead of numbers
//
// prototype board, checksums handwritten on prg roms, EPR stickers present on other roms, but handwritten locations
// instead of numbers
//
// uses encrypted MC8123 for sound
ROM_START( cencourt )
ROM_REGION( 0x20000, "maincpu", 0 ) // 68000 code
ROM_LOAD16_BYTE( "a4_56f6.bin", 0x000000, 0x10000, CRC(7116dce6) SHA1(058faf5f1980f811e2e1d5f7d09660ff51b0c0dc) )
@ -5513,10 +5508,8 @@ ROM_START( cencourt )
ROM_LOAD( "epr-a-10.bin", 0x30000, 0x08000, CRC(10263746) SHA1(1f981fb185c6a9795208ecdcfba36cf892a99ed5) ) // == epr-11860.a10
ROM_LOAD( "epr-a-11.bin", 0x40000, 0x08000, CRC(38b54a71) SHA1(68ec4ef5b115844214ff2213be1ce6678904fbd2) ) // == epr-11861.a11
ROM_LOAD( "epr-11857.a7", 0x00000, 0x08000, CRC(789edc06) SHA1(8c89c94e503513c287807d187de78a7fbd75a7cf) ) // temporary (from parent until above is decrypted)
ROM_REGION( 0x2000, "mcu", 0 ) // MC8123 key
ROM_LOAD( "cencourt_mc8123.key", 0x0000, 0x2000, NO_DUMP)
ROM_LOAD( "317-xxxx.key", 0x0000, 0x2000, CRC(2be5c90b) SHA1(e98d989237f2b001950b876efdb21c1507162830) )
ROM_END
@ -6712,6 +6705,12 @@ DRIVER_INIT_MEMBER(segas16b_state,passshtj_5358)
m_custom_io_r = read16_delegate(FUNC(segas16b_state::passshtj_custom_io_r), this);
}
DRIVER_INIT_MEMBER(segas16b_state,cencourt_5358)
{
DRIVER_INIT_CALL(passshtj_5358);
mc8123_decrypt_rom(machine(), "soundcpu", "mcu", NULL, 0);
}
DRIVER_INIT_MEMBER(segas16b_state,sdi_5358_small)
{
DRIVER_INIT_CALL(generic_5358_small);
@ -6840,7 +6839,7 @@ GAME( 1989, mvpj, mvp, system16b_fd1094, mvp, segas16b_state,
GAME( 1988, passsht, 0, system16b_fd1094, passsht, segas16b_state,generic_5358, ROT270, "Sega", "Passing Shot (World, 2 Players, FD1094 317-0080)", 0 )
GAME( 1988, passshta, passsht, system16b_fd1094, passshtj, segas16b_state,passshtj_5358, ROT270, "Sega", "Passing Shot (World, 4 Players, FD1094 317-0074)", 0 )
GAME( 1988, passshtj, passsht, system16b_fd1094, passshtj, segas16b_state,passshtj_5358, ROT270, "Sega", "Passing Shot (Japan, 4 Players, FD1094 317-0070)", 0 )
GAME( 1988, cencourt, passsht, system16b, cencourt, segas16b_state,passshtj_5358, ROT270, "Sega", "Center Court (prototype, MC-8123B)", 0 )
GAME( 1988, cencourt, passsht, system16b, cencourt, segas16b_state,cencourt_5358, ROT270, "Sega", "Center Court (prototype, MC-8123B)", 0 )
GAME( 1991, riotcity, 0, system16b, riotcity, segas16b_state,generic_5704, ROT0, "Sega / Westone", "Riot City (Japan)", 0 )

1
src/mame/includes/segas16b.h
View File

@ -102,6 +102,7 @@ public:
DECLARE_DRIVER_INIT(tetrbx);
DECLARE_DRIVER_INIT(aceattac_5358);
DECLARE_DRIVER_INIT(passshtj_5358);
DECLARE_DRIVER_INIT(cencourt_5358);
DECLARE_DRIVER_INIT(shinfz);
DECLARE_DRIVER_INIT(dunkshot_5358_small);
DECLARE_DRIVER_INIT(timescan_5358_small);

1
src/mame/machine/mc8123.c
View File

@ -68,6 +68,7 @@ CPU # Game Notes Seed Upper Limit
317-5002 Gigas 234567 1C00
317-5012 Ganbare Chinsan Ooshoubu NEC MC-8123A 804B54 1C00
317-5??? Ninja Kid II (sound CPU) 27998D 1800
317-???? Center Court (sound CPU) NEC MC-8123B 640506 1800
***************************************************************************/

6
src/mame/machine/mc8123.h
View File

@ -1,3 +1,9 @@
/***************************************************************************
NEC MC-8123 encryption emulation
***************************************************************************/
// this function assumes a fixed portion of ROM at 0000-7FFF, and
// an arbitrary amount of banks at 8000-BFFF.
// numbanks may be 0, meaning there is no ROM to decrypt at 8000-BFFF,