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[Core/MD] fixed incorrect I2C EEPROM board detection for SRAM-patched hacks (Wonder Boy in Monster World, Megaman - The Willy Wars / Rockman Mega World)

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This commit is contained in:
EkeEke 2016-02-07 16:41:54 +01:00
parent 5880882112
commit bb3feb43c2
5 changed files with 41 additions and 35 deletions
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builds/genesis_plus_gx_libretro.dll
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core/cart_hw/eeprom_i2c.c
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@ -2,7 +2,7 @@
* Genesis Plus * Genesis Plus
* I2C serial EEPROM (24Cxx) boards * I2C serial EEPROM (24Cxx) boards
* *
* Copyright (C) 2007-2015 Eke-Eke (Genesis Plus GX) * Copyright (C) 2007-2016 Eke-Eke (Genesis Plus GX)
* *
* Redistribution and use of this code or any derivative works are permitted * Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met: * provided that the following conditions are met:
@ -125,14 +125,14 @@ static const T_I2C_GAME i2c_database[] =
{"T-50396" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* NHLPA Hockey 93 */ {"T-50396" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* NHLPA Hockey 93 */
{"T-50446" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* John Madden Football 93 */ {"T-50446" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* John Madden Football 93 */
{"T-50516" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* John Madden Football 93 (Championship Ed.) */ {"T-50516" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* John Madden Football 93 (Championship Ed.) */
{"T-50606" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* Bill Walsh College Football */ {"T-50606" , 0 , 0 , mapper_i2c_ea_init , EEPROM_X24C01 }, /* Bill Walsh College Football (warning: invalid SRAM header !) */
{"T-12046" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Megaman - The Wily Wars */ {"GM T-12046" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Megaman - The Wily Wars (warning: SRAM hack exists !) */
{"T-12053" , 0 , 0xEA80 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Rockman Mega World */ {"GM T-12053" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Rockman Mega World (warning: SRAM hack exists !) */
{"MK-1215" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Evander 'Real Deal' Holyfield's Boxing */ {"MK-1215" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Evander 'Real Deal' Holyfield's Boxing */
{"MK-1228" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Greatest Heavyweights of the Ring (U)(E) */ {"MK-1228" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Greatest Heavyweights of the Ring (U)(E) */
{"G-5538" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Greatest Heavyweights of the Ring (J) */ {"G-5538" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Greatest Heavyweights of the Ring (J) */
{"PR-1993" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Greatest Heavyweights of the Ring (Prototype) */ {"PR-1993" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Greatest Heavyweights of the Ring (Prototype) */
{"G-4060" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Wonderboy in Monster World */ {"GM G-4060" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Wonderboy in Monster World (warning: SRAM hack exists !) */
{"00001211" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Sports Talk Baseball */ {"00001211" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Sports Talk Baseball */
{"00004076" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Honoo no Toukyuuji Dodge Danpei */ {"00004076" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Honoo no Toukyuuji Dodge Danpei */
{"G-4524" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Ninja Burai Densetsu */ {"G-4524" , 0 , 0 , mapper_i2c_sega_init , EEPROM_X24C01 }, /* Ninja Burai Densetsu */
@ -198,6 +198,12 @@ void eeprom_i2c_init()
/* check game internal id code */ /* check game internal id code */
if (strstr(rominfo.product, i2c_database[i].id)) if (strstr(rominfo.product, i2c_database[i].id))
{ {
/* additional check for known SRAM-patched hacks */
if ((strstr(i2c_database[i].id, "GM")) && ((sram.end - sram.start) > 2))
{
break;
}
/* additional check for Codemasters games */ /* additional check for Codemasters games */
if (((i2c_database[i].chk == 0) || (i2c_database[i].chk == rominfo.checksum)) && if (((i2c_database[i].chk == 0) || (i2c_database[i].chk == rominfo.checksum)) &&
((i2c_database[i].sp == 0) || (i2c_database[i].sp == READ_WORD_LONG(cart.rom, 0)))) ((i2c_database[i].sp == 0) || (i2c_database[i].sp == READ_WORD_LONG(cart.rom, 0))))

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core/cart_hw/eeprom_i2c.h
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@ -2,7 +2,7 @@
* Genesis Plus * Genesis Plus
* I2C Serial EEPROM (24Cxx) boards * I2C Serial EEPROM (24Cxx) boards
* *
* Copyright (C) 2007-2015 Eke-Eke (Genesis Plus GX) * Copyright (C) 2007-2016 Eke-Eke (Genesis Plus GX)
* *
* Redistribution and use of this code or any derivative works are permitted * Redistribution and use of this code or any derivative works are permitted
* provided that the following conditions are met: * provided that the following conditions are met: