AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |
Back to Blog
Raiden dx mame1/28/2024 Protection, and which are caused by a lack of ROM banking. Serious problems as it's hard to see which glitches are caused by ROM banking - we don't know where the ROM bank registers are, this causes The games in legionna.c use the same protection chips.Ĭurrent Problem(s) - in order of priority To be the actual MCU which is probably internal to one of the Seibu Math operations) These chips, marked (c)1992 RISE Corp. Utilizing the external 'COPX_D2' and 'COPX_D3' lookup roms (probably for These games use the 2nd (and 3rd) generation of Seibu's 'COP' protection, (see the V33 based version of Raiden II/DX New) Which usually featured vastly inferior sound hardware Some of these games were also released on updated PCBs * = these ROMs are soldered-in and match ROMs from the original Raiden II PCB *COPX-D2 - 2M MaskROM stamped 'COPX-D2' at location U0313 (DIP40) *OBJ-2 - 16M MaskROM stamped 'RAIDEN 2 OBJ-2' at location U082 (DIP42)ĭX_OBJ-3 - 16M MaskROM stamped 'DX OBJ-3' at location U0837 (DIP42)ĭX_OBJ-4 - 16M MaskROM stamped 'DX OBJ-4' at location U0836 (DIP42)ġH - 27C4001 EPROM labelled 'SEIBU 1H' at location U1210 (DIP32)ĢH - 27C4001 EPROM labelled 'SEIBU 2H' at location U1211 (DIP32)ģH - 27C4001 EPROM labelled 'SEIBU 3H' at location U129 (DIP32)ĤH - 27C4001 EPROM labelled 'SEIBU 4H' at location U1212 (DIP32)ĭX_BACK-1 - 16M MaskROM stamped 'DX BACK-1' at location U075 (DIP42)ĭX_BACK-2 - 16M MaskROM stamped 'DX BACK-2' at location U0714 (DIP42)ħ - 27C210 EPROM labelled 'SEIBU 7' at location U0724 (DIP40) *OBJ-1 - 16M MaskROM stamped 'RAIDEN 2 OBJ-1' at location U0811 (DIP42) ROMs - *PCM - 2M MaskROM stamped 'RAIDEN 2 PCM' at location U1018 (DIP32)Ħ - 27C020 EPROM labelled 'SEIBU 6' at location U1017 (DIP32)ĥ - 27C512 EPROM labelled 'SEIBU 5' at location U1110 (DIP28) RC220 - Custom resistor network module used for inputs (SIP14) HB-2 - Seibu custom ceramic module connected to coin counters (SIP10) HB-45A - Seibu custom ceramic module sound DAC (SIP20) ![]() (C) 1993 RAIDEN II DX SEIBU KAIHATSU INC.,o This readme covers Raiden DX and to some extent Raiden II One of the protection commands? or mirrored? the game only writes this directly at startup, must be written indirectly by ![]() * raiden 2 board test note 17/04/08 (based on test by dox)
0 Comments
Read More
Leave a Reply. |