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Merge pull request #8016 from 987123879113/add_default_nvram_rtc65271

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rtc65271, firebeat: Add way to use default data for nvram initialization
This commit is contained in:
ajrhacker 2021-06-01 18:22:39 -04:00 committed by GitHub
commit 7a262b51b6
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GPG Key ID: 4AEE18F83AFDEB23
3 changed files with 57 additions and 4 deletions
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17
src/devices/machine/rtc65271.cpp
View File

@ -162,10 +162,18 @@ static uint8_t BCD_to_binary(uint8_t data)
void rtc65271_device::nvram_default()
{
memset(m_regs,0, sizeof(m_regs));
memset(m_xram,0, sizeof(m_xram));
m_regs[reg_B] |= reg_B_DM; // Firebeat assumes the chip factory defaults to non-BCD mode (or maybe Konami programs it that way?)
if (m_default_data.found())
{
emu_file file(OPEN_FLAG_READ);
file.open_ram(m_default_data, m_default_data.bytes());
nvram_read(file);
}
else
{
memset(m_regs, 0, sizeof(m_regs));
memset(m_xram, 0, sizeof(m_xram));
m_regs[reg_B] |= reg_B_DM; // Firebeat assumes the chip factory defaults to non-BCD mode (or maybe Konami programs it that way?)
}
}
//-------------------------------------------------
@ -660,6 +668,7 @@ rtc65271_device::rtc65271_device(const machine_config &mconfig, const char *tag,
: device_t(mconfig, RTC65271, tag, owner, clock)
, device_nvram_interface(mconfig, *this)
, m_interrupt_cb(*this)
, m_default_data(*this, DEVICE_SELF)
{
}

2
src/devices/machine/rtc65271.h
View File

@ -63,6 +63,8 @@ private:
/* callback called when interrupt pin state changes (may be nullptr) */
devcb_write_line m_interrupt_cb;
optional_region_ptr<u8> m_default_data;
};
// device type definition

42
src/mame/drivers/firebeat.cpp
View File

@ -2411,6 +2411,9 @@ ROM_START( popn4 )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE( "gq986jaa02", 0, SHA1(53367d3d5f91422fe386c42716492a0ae4332390) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(4a5c946c) SHA1(9de6085d45c39ba91934cea3abaa37e1203888c7))
ROM_END
ROM_START( popn5 )
@ -2428,6 +2431,9 @@ ROM_START( popn5 )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE_READONLY( "a04jaa02", 0, SHA1(49a017dde76f84829f6e99a678524c40665c3bfd) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(adeba6fc) SHA1(a2266696bb0a68e2b70a07d580a3b471e72fa587))
ROM_END
ROM_START( popn6 )
@ -2445,6 +2451,9 @@ ROM_START( popn6 )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE( "gqa16jaa02", 0, SHA1(e39067300e9440ff19cb98c1abc234fa3d5b26d1) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(9935427c) SHA1(f7095ea6360ca61d1e2914cf184e50e50777a168))
ROM_END
ROM_START( popn7 )
@ -2462,6 +2471,9 @@ ROM_START( popn7 )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE_READONLY( "b00jaa02", 0, SHA1(c8ce2f8ee6aeeedef9c110a59e68fcec7b669ad6) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(fce30919) SHA1(9f875f5fe6ab6591ec024afc0a91966befa73ede))
ROM_END
ROM_START( popn8 )
@ -2479,6 +2491,9 @@ ROM_START( popn8 )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE_READONLY( "gqb30jaa02", 0, SHA1(f067d502c23efe0267aada5706f5bc7a54605942) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(1a91f33a) SHA1(510b5cbacb218e5588f3b725733e095b7914dcdb))
ROM_END
ROM_START( popnanm )
@ -2496,6 +2511,9 @@ ROM_START( popnanm )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE_READONLY( "gq987jaa02", 0, SHA1(d72515bac3fcd9f28c39fa1402292009734df678) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(b08b454d) SHA1(33fc12ab148a379925b7b77016efba747f3b13cc))
ROM_END
ROM_START( popnanm2 )
@ -2513,6 +2531,9 @@ ROM_START( popnanm2 )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE_READONLY( "gea02jaa02", 0, SHA1(7212e399779f37a5dcb8317a8f635a3b3f620aa9) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(90fcfeab) SHA1(f96e27e661259dc9e7f25a99bee9ffd6584fc1b8))
ROM_END
ROM_START( popnmt )
@ -2530,6 +2551,9 @@ ROM_START( popnmt )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE_READONLY( "976jaa02", 0, SHA1(3881bb1e4deb829ba272c541cb7d203924571f3b) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(a51bdc10) SHA1(99b759d9a575129abec556d381f3a041453d7136))
ROM_END
ROM_START( popnmt2 )
@ -2548,6 +2572,9 @@ ROM_START( popnmt2 )
DISK_REGION( "spu_ata:0:cdrom" ) // data DVD-ROM
DISK_IMAGE_READONLY( "976jaa02", 0, SHA1(3881bb1e4deb829ba272c541cb7d203924571f3b) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(a51bdc10) SHA1(99b759d9a575129abec556d381f3a041453d7136))
ROM_END
ROM_START( bm3 )
@ -2565,6 +2592,9 @@ ROM_START( bm3 )
DISK_REGION( "spu_ata:0:hdd:image" ) // HDD
DISK_IMAGE_READONLY( "gc97202", 0, SHA1(84049bab473d29eca3c6d536956ef20ae410967d) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(20eff14e) SHA1(7d652ed4d9e245f9574dd0fec60ee078dc73ba61))
ROM_END
ROM_START( bm3core )
@ -2582,6 +2612,9 @@ ROM_START( bm3core )
DISK_REGION( "spu_ata:0:hdd:image" ) // HDD
DISK_IMAGE_READONLY( "a05jca02", 0, SHA1(1de7db35d20bbf728732f6a24c19315f9f4ad469) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(64bc48d3) SHA1(18ccba42545c7c11ea3b486a4469d7c599a41c80))
ROM_END
ROM_START( bm36th )
@ -2599,6 +2632,9 @@ ROM_START( bm36th )
DISK_REGION( "spu_ata:0:hdd:image" ) // HDD
DISK_IMAGE_READONLY( "a21jca02", 0, SHA1(8fa11848af40966e42b6304e37de92be5c1fe3dc) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(832ef42b) SHA1(b53b09a1287631d40caf456f13f09faa991ae38c))
ROM_END
ROM_START( bm37th )
@ -2616,6 +2652,9 @@ ROM_START( bm37th )
DISK_REGION( "spu_ata:0:hdd:image" ) // HDD
DISK_IMAGE_READONLY( "gcb07jca02", 0, SHA1(6b8e17635825a6a43dc8d2721fe2eb0e0f39e940) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(6383ed31) SHA1(296f32d5c6619d1b9eb882d9c3cd6db23bf52054))
ROM_END
ROM_START( bm3final )
@ -2633,6 +2672,9 @@ ROM_START( bm3final )
DISK_REGION( "spu_ata:0:hdd:image" ) // HDD
DISK_IMAGE_READONLY( "gcc01jca02", 0, SHA1(823e29bab11cb67069d822f5ffb2b90b9d3368d2) )
ROM_REGION(0x1038, "rtc", ROMREGION_ERASE00) // Default unlocked RTC
ROM_LOAD("rtc", 0x0000, 0x1038, CRC(bf7079cd) SHA1(7cf8ce9794d97e1ed8b12339f78c8678e895cb19))
ROM_END
} // Anonymous namespace