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Diffstat (limited to 'src/mame/drivers/pulsar.cpp')
-rw-r--r--src/mame/drivers/pulsar.cpp16
1 files changed, 4 insertions, 12 deletions
diff --git a/src/mame/drivers/pulsar.cpp b/src/mame/drivers/pulsar.cpp
index 65ace2fa1f0..adc0d86d746 100644
--- a/src/mame/drivers/pulsar.cpp
+++ b/src/mame/drivers/pulsar.cpp
@@ -57,11 +57,11 @@ public:
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_rom(*this, "maincpu")
+ , m_ram(*this, "mainram")
, m_fdc (*this, "fdc")
, m_floppy0(*this, "fdc:0")
, m_floppy1(*this, "fdc:1")
, m_rtc(*this, "rtc")
- , m_ram(*this, "mainram")
{ }
void pulsar(machine_config &config);
@@ -74,27 +74,26 @@ private:
void ppi_pb_w(u8 data);
void ppi_pc_w(u8 data);
u8 ppi_pc_r();
- u8 read_rom(offs_t offset);
void io_map(address_map &map);
void mem_map(address_map &map);
bool m_rom_in_map;
floppy_image_device *m_floppy;
+ memory_passthrough_handler *m_rom_shadow_tap;
required_device<z80_device> m_maincpu;
required_region_ptr<u8> m_rom;
+ required_shared_ptr<u8> m_ram;
required_device<fd1797_device> m_fdc;
required_device<floppy_connector> m_floppy0;
required_device<floppy_connector> m_floppy1;
required_device<msm5832_device> m_rtc;
- memory_passthrough_handler *m_rom_shadow_tap;
- required_shared_ptr<u8> m_ram;
};
void pulsar_state::mem_map(address_map &map)
{
map(0x0000, 0xffff).ram().share("mainram");
- map(0xf800, 0xffff).r(FUNC(pulsar_state::read_rom));
+ map(0xf800, 0xffff).lr8(NAME([this] (offs_t offset) { if(m_rom_in_map) return m_rom[offset]; else return m_ram[offset+0xf800]; }));
}
void pulsar_state::io_map(address_map &map)
@@ -107,13 +106,6 @@ void pulsar_state::io_map(address_map &map)
map(0xf0, 0xf0).mirror(0x0f).w("brg", FUNC(com8116_device::stt_str_w));
}
-u8 pulsar_state::read_rom(offs_t offset)
-{
- if (m_rom_in_map)
- return m_rom[offset];
- else
- return m_ram[offset+0xf800];
-}
/*
d0..d3 Drive select 0-3 (we only emulate 1 drive)