From 5a6a566a10e91b55fdcd3606bdbac947c8de1ccf Mon Sep 17 00:00:00 2001 From: "R. Belmont" Date: Thu, 4 Feb 2010 14:28:04 +0000 Subject: [PATCH] Document FPGA-provided "ic1" data in gram2000 [Joerg Hartenberger] --- src/mame/drivers/naomi.c | 5 ++--- 1 file changed, 2 insertions(+), 3 deletions(-) diff --git a/src/mame/drivers/naomi.c b/src/mame/drivers/naomi.c index 8e75db9a169..ec293aae9b7 100644 --- a/src/mame/drivers/naomi.c +++ b/src/mame/drivers/naomi.c @@ -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