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sx1010: Start mapping a register

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This commit is contained in:
Olivier Galibert 2021-07-14 11:23:47 +02:00
parent 9f5afde418
commit 4ee72bfd03
1 changed files with 25 additions and 0 deletions
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25
src/mame/drivers/sx1000.cpp
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@ -85,6 +85,12 @@ private:
// devices
required_device<m68010_device> m_cpu;
required_device<ram_device> m_ram;
u8 m_reg_sel;
void reg_sel_w(u8 data);
u8 reg_r();
void reg_w(u8 data);
};
void sx1000_state::machine_start()
@ -105,8 +111,27 @@ void sx1000_state::cpu_map(address_map &map)
map(0xf00000, 0xf07fff).rom().region("eprom", 0x8000);
map(0xf08000, 0xf0ffff).rom().region("eprom", 0x0000);
map(0xf13801, 0xf13801).w(FUNC(sx1000_state::reg_sel_w));
map(0xf13901, 0xf13901).rw(FUNC(sx1000_state::reg_r), FUNC(sx1000_state::reg_w));
map(0xf20000, 0xf23fff).ram(); // Likely nvram
}
void sx1000_state::reg_sel_w(u8 data)
{
m_reg_sel = data;
}
void sx1000_state::reg_w(u8 data)
{
logerror("reg[%02x] = %02x (%s)\n", m_reg_sel, data, machine().describe_context());
}
u8 sx1000_state::reg_r()
{
logerror("reg read %02x (%s)\n", m_reg_sel, machine().describe_context());
return 0x00;
}
void sx1000_state::common(machine_config &config)
{