Sprinter/mame
2
0
Fork 0
mirror of https://github.com/holub/mame synced 2025-04-22 08:22:15 +03:00
Code Issues Actions Packages Projects Releases Wiki Activity

-newton: Fleshed out a couple of registers. [Ryan Holtz]

Browse Source
This commit is contained in:
Ryan Holtz 2020-10-09 21:09:20 +02:00
parent 4ffe20791d
commit 7db4326663
1 changed files with 14 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
src/mame/drivers/newton.cpp
View File

@ -47,13 +47,26 @@ public:
protected:
void mem_map(address_map &map);
uint32_t tick_count_r();
required_device<arm7_cpu_device> m_maincpu;
required_device<ram_device> m_ram;
uint32_t m_ram_size;
};
uint32_t newton_state::tick_count_r()
{
return (uint32_t)m_maincpu->total_cycles();
}
void newton_state::mem_map(address_map &map)
{
map(0x00000000, 0x007fffff).rom().region("maincpu", 0);
map(0x00000000, 0x007fffff).mirror(0x00800000).rom().region("maincpu", 0);
map(0x02000000, 0x023fffff).ram(); // Actually Flash
map(0x04000000, 0x04ffffff).rw(m_ram, FUNC(ram_device::read), FUNC(ram_device::write));
map(0x0f181800, 0x0f181803).r(FUNC(newton_state::tick_count_r));
map(0x0f001800, 0x0f001803).lrw32(NAME([this](){ return m_ram_size; }), NAME([this](uint32_t data) { m_ram_size = data; }));
}
static INPUT_PORTS_START( newton )