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-rw-r--r--src/mame/drivers/scm_500.cpp19
1 files changed, 15 insertions, 4 deletions
diff --git a/src/mame/drivers/scm_500.cpp b/src/mame/drivers/scm_500.cpp
index ad16a0e2c57..535644f35b0 100644
--- a/src/mame/drivers/scm_500.cpp
+++ b/src/mame/drivers/scm_500.cpp
@@ -11,24 +11,34 @@ http://www.standardchange.com/frequently-asked-questions
*/
#include "emu.h"
+#include "cpu/mcs51/mcs51.h"
class scm_500_state : public driver_device
{
public:
scm_500_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag)
-// ,m_maincpu(*this, "maincpu")
- { }
+ , m_maincpu(*this, "maincpu")
+ {
+ }
void scm_500(machine_config &config);
private:
+ void prog_map(address_map &map);
+
virtual void machine_start() override;
virtual void machine_reset() override;
-// required_device<cpu_device> m_maincpu;
+
+ required_device<mcs51_cpu_device> m_maincpu;
};
+void scm_500_state::prog_map(address_map &map)
+{
+ map(0x0000, 0xffff).rom().region("maincpu", 0);
+}
+
static INPUT_PORTS_START( scm_500 )
INPUT_PORTS_END
@@ -42,7 +52,8 @@ void scm_500_state::machine_reset()
void scm_500_state::scm_500(machine_config &config)
{
- // unknown CPU
+ I80C51GB(config, m_maincpu, 12'000'000); // unknown clock
+ m_maincpu->set_addrmap(AS_PROGRAM, &scm_500_state::prog_map);
}
/*