From 171c1b4c43bf1c67e346c04d19e3f146d4b0f976 Mon Sep 17 00:00:00 2001 From: MetalliC <0vetal0@gmail.com> Date: Fri, 4 Nov 2022 02:10:02 +0200 Subject: naomi.cpp: added Dev BIOS v1.2 [MetalliC, rtw, zozo] --- src/mame/sega/naomi.cpp | 6 ++++++ 1 file changed, 6 insertions(+) diff --git a/src/mame/sega/naomi.cpp b/src/mame/sega/naomi.cpp index 34b0fcfd568..168a90fee6f 100644 --- a/src/mame/sega/naomi.cpp +++ b/src/mame/sega/naomi.cpp @@ -2757,7 +2757,11 @@ Region byte encoding is as follows: Scan ROM for the text string "LOADING TEST MODE NOW" back up four (4) bytes for the region byte. NOTE: this doesn't work for the HOTD2 or multi screen boot roms +Dev BIOS v1.2: NAOMI DEVELOP 1999 02/15 1.2 +BIOS for games debugging and testing using NAOMI dev.box. Basically it's same as retail BIOSes but have enabled monitor/debugger and does read region code from DSW2/3/4. +BAD_DUMP note: we got only 1st half of ROM, 2nd half was handcrafted from same revision retail BIOS. +Next two BIOSes are likely special tools for dev.box hardware test, repair, reprogram, etc purposes, not 'regular' ones. Dev BIOS: older version, from about mid November 1998 (some sources call it "NAOMI Test BIOS ROM") Dev BIOS v1.10: NAOMI DEVELOP 1999 01/10 1.10 @@ -2857,6 +2861,8 @@ OFF OFF ON Australia ROM_LOAD16_WORD_SWAP_BIOS( 24, "zukinver0930.ic25", 0x000000, 0x200000, CRC(58e17c23) SHA1(19330f906accf1b859f56bbcedc2edff73747599) ) \ ROM_SYSTEM_BIOS( 25, "bios25", "epr-21576h (multi-region hack)" ) \ ROM_LOAD16_WORD_SWAP_BIOS( 25, "epr-21576h_multi.ic27", 0x000000, 0x200000, CRC(cce01f1f) SHA1(cca17119ad13e3a4ef7cb6902a37b65d6a844aee) ) \ + ROM_SYSTEM_BIOS( 26, "bios26", "Dev BIOS v1.2" ) \ + ROM_LOAD16_WORD_SWAP_BIOS( 26, "epr-21336a.ic27", 0x000000, 0x200000, BAD_DUMP CRC(d3d57af8) SHA1(0eb72c2a20ad8b86d442b77760eab5e89521d469) ) \ ROM_REGION( 0x4000, "altera_pof", 0) \ ROM_LOAD("315-6188.ic31", 0x0000, 0x2034, CRC(7c9fea46) SHA1(f77c07ae65dfed18c1c4c632c8945be21d02ddaf) ) -- cgit v1.2.3