Document FPGA-provided "ic1" data in gram2000 [Joerg Hartenberger]

This commit is contained in:
R. Belmont 2010-02-04 14:28:04 +00:00
parent eda548f78d
commit 5a6a566a10

View File

@ -3067,9 +3067,8 @@ ROM_START( gram2000 )
ROM_REGION( 0xb000000, "user1", ROMREGION_ERASEFF)
ROM_LOAD("epr-23377.ic11", 0x0000000, 0x0400000, CRC(4ca3149c) SHA1(9d25fc659658b416202b033754669be2f3abcdbe) )
/* Test mode returns IC1 as bad dump, it looks like that is data provided by the Actel A54SX32 FPGA present on board
and mirrored there. There's apparently additional protection data in there, so we comment this out until proper
extraction is done. */
// ROM_LOAD("gram2000.ic1", 0x0800000, 0x0800000, CRC(4a86556a) SHA1(61100dc84c95dd47d9f61c7cc52ea25579b90632) )
and mirrored there. Provided as documentation until we know more about it. */
ROM_LOAD("gram2000.ic1", 0x0800000, 0x0800000, CRC(4a86556a) SHA1(61100dc84c95dd47d9f61c7cc52ea25579b90632) )
ROM_LOAD32_WORD("mpr-23357.ic17", 0x1000000, 0x0800000, CRC(eaf77487) SHA1(bdfc4666a6724441c11b31d89fa30c4bd11cbdd1) ) //ic 2
ROM_LOAD32_WORD("mpr-23358.ic18", 0x1000002, 0x0800000, CRC(96819a5b) SHA1(e28c9d7b0579ab5d6116401b49f30dc8e4961618) ) //ic 3
ROM_LOAD32_WORD("mpr-23359.ic19", 0x2000000, 0x0800000, CRC(757b9e89) SHA1(b131af1cbcb4fcebb7081b208acc86841192ff14) ) //ic 4