Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-05-25 23:35:26 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

px4: use nvram for main memory

Browse Source
This commit is contained in:
Dirk Best 2014-11-03 14:12:06 +01:00
parent 6bcf6d8e9b
commit c1157f3ab6
1 changed files with 5 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
src/mess/drivers/px4.c
View File

@ -52,6 +52,7 @@ public:
device_serial_interface(mconfig, *this),
m_z80(*this, "maincpu"),
m_ram(*this, RAM_TAG),
m_nvram(*this, "nvram"),
m_centronics(*this, "centronics"),
m_ext_cas(*this, "extcas"),
m_ext_cas_timer(*this, "extcas_timer"),
@ -182,6 +183,7 @@ private:
// internal devices
required_device<cpu_device> m_z80;
required_device<ram_device> m_ram;
required_device<nvram_device> m_nvram;
required_device<centronics_device> m_centronics;
required_device<cassette_image_device> m_ext_cas;
required_device<timer_device> m_ext_cas_timer;
@ -1159,6 +1161,8 @@ void px4_state::machine_start()
astring region_tag;
m_caps1_rom = memregion(region_tag.cpy(m_caps1->tag()).cat(GENERIC_ROM_REGION_TAG));
m_caps2_rom = memregion(region_tag.cpy(m_caps2->tag()).cat(GENERIC_ROM_REGION_TAG));
m_nvram->set_base(m_ram->pointer(), 0x10000);
}
void px4_state::machine_reset()
@ -1427,6 +1431,7 @@ static MACHINE_CONFIG_START( px4, px4_state )
// internal ram
MCFG_RAM_ADD(RAM_TAG)
MCFG_RAM_DEFAULT_SIZE("64k")
MCFG_NVRAM_ADD_NO_FILL("nvram")
// centronics printer
MCFG_CENTRONICS_ADD("centronics", centronics_devices, "printer")