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Diffstat (limited to 'src/mess/drivers/elecbowl.c')
-rw-r--r--src/mess/drivers/elecbowl.c53
1 files changed, 11 insertions, 42 deletions
diff --git a/src/mess/drivers/elecbowl.c b/src/mess/drivers/elecbowl.c
index 0ae06e2b3a8..c4be40e64e2 100644
--- a/src/mess/drivers/elecbowl.c
+++ b/src/mess/drivers/elecbowl.c
@@ -15,60 +15,32 @@
***************************************************************************/
-#include "emu.h"
-#include "cpu/tms0980/tms0980.h"
-#include "sound/speaker.h"
-
-// internal artwork
+#include "includes/hh_tms1k.h"
#include "elecbowl.lh"
-class elecbowl_state : public driver_device
+class elecbowl_state : public hh_tms1k_state
{
public:
elecbowl_state(const machine_config &mconfig, device_type type, const char *tag)
- : driver_device(mconfig, type, tag),
- m_maincpu(*this, "maincpu"),
- m_inp_matrix(*this, "IN"),
- m_speaker(*this, "speaker")
+ : hh_tms1k_state(mconfig, type, tag)
{ }
- // devices
- required_device<cpu_device> m_maincpu;
- required_ioport_array<4> m_inp_matrix;
- required_device<speaker_sound_device> m_speaker;
-
- UINT16 m_r;
- UINT16 m_o;
- UINT16 m_inp_mux;
-
- DECLARE_READ8_MEMBER(read_k);
DECLARE_WRITE16_MEMBER(write_r);
DECLARE_WRITE16_MEMBER(write_o);
+ DECLARE_READ8_MEMBER(read_k);
+protected:
virtual void machine_start();
};
-
/***************************************************************************
I/O
***************************************************************************/
-READ8_MEMBER(elecbowl_state::read_k)
-{
- UINT8 k = 0;
-
- // read selected input rows
- for (int i = 0; i < 4; i++)
- if (m_inp_mux >> i & 1)
- k |= m_inp_matrix[i]->read();
-
- return k;
-}
-
WRITE16_MEMBER(elecbowl_state::write_r)
{
// R4-R7: input mux
@@ -86,6 +58,11 @@ WRITE16_MEMBER(elecbowl_state::write_o)
// ?
}
+READ8_MEMBER(elecbowl_state::read_k)
+{
+ return read_inputs(4);
+}
+
/***************************************************************************
@@ -130,15 +107,7 @@ INPUT_PORTS_END
void elecbowl_state::machine_start()
{
- // zerofill
- m_o = 0;
- m_r = 0;
- m_inp_mux = 0;
-
- // register for savestates
- save_item(NAME(m_o));
- save_item(NAME(m_r));
- save_item(NAME(m_inp_mux));
+ hh_tms1k_state::machine_start();
}