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r22822 Tuesday 14th May, 2013 at 16:07:37 UTC by David Haywood
nexus3d.c - replace dumps with 'better' ones [Smitdogg]
[src/mame/drivers]nexus3d.c

trunk/src/mame/drivers/nexus3d.c
r22821r22822
213213MACHINE_CONFIG_END
214214
215215
216// The u1 flash on achertf is clearly recycled from a Happy Fish or Blue Elf multigame.
217// Around 75% of the rom is NeoGeo, CPS2, Semicom etc. MAME romsets used by said multigame bootlegs
218// which explains why the 1Gb flash rom hardly compresses, it's already compressed data.
219//
220// I highly suspect this upgrade (to Full) was done at the PCB shop to boost the value of the PCB, and
221// that the original game used a smaller flash.  It seems highly unlikely that Examu would ship ROMs
222// containing the entire backcatalog of SNK and Capcom material ;-)
223//
224// It's possible this set should be marked as a bootleg due to this although I imagine the actual valid
225// part of the data will match a clean dump.
226//
227// also the types of flash used on both these should probably be double the size they are, I believe this
228// to be a software bug with the tools used to read them, hence the weird 0x898 bytes appended to
229// the end..  this was at least the case with the actual Happy Fish roms.  In this case it shouldn't
230// matter because all the data needed by the game is in the first part of the ROM.
231216
232
233217ROM_START( acheart )
234   ROM_REGION( 0x42000898, "user1", 0 ) /* ARM 32 bit code */
235   ROM_LOAD( "arcanaheart.u1",     0x000000, 0x42000898, BAD_DUMP CRC(53b7b482) SHA1(28799f8e332966f81fa501ead678d21e3e1c9e2c) )
218   ROM_REGION( 0x10800898, "user1", 0 ) /* ARM 32 bit code */
219   ROM_LOAD( "arcanaheart.u1",     0x000000, 0x10800898, CRC(109bf439) SHA1(33fd39355923ef384d5eaeec8ae3f296509bde93) )
236220
237221   ROM_REGION( 0x200000, "user2", 0 ) // QDSP stuff
238222   ROM_LOAD( "u38.bin",     0x000000, 0x200000, CRC(29ecfba3) SHA1(ab02c7a579a3c05a19b79e42342fd5ed84c7b046) )
r22821r22822
247231
248232
249233ROM_START( acheartf )
250   ROM_REGION( 0x42000898, "user1", 0 ) /* ARM 32 bit code */
251   ROM_LOAD( "arcana_heart_full.u1",     0x000000, 0x42000898, BAD_DUMP CRC(1a171ca3) SHA1(774f3b8d5fb366901d819b5dc15ca49b0cd177b9) )
234   ROM_REGION( 0x10800898, "user1", 0 ) /* ARM 32 bit code */
235   ROM_LOAD( "arcanaheartfull.u1",     0x000000, 0x10800898, CRC(54b57a9d) SHA1(dee5a43b3aea854d2b98869dca74c57b66fb06eb))
252236
253237   ROM_REGION( 0x200000, "user2", 0 ) // QDSP stuff
254238   ROM_LOAD( "u38.bin",     0x000000, 0x200000, CRC(29ecfba3) SHA1(ab02c7a579a3c05a19b79e42342fd5ed84c7b046) )

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