summaryrefslogtreecommitdiffstatshomepage
path: root/src/mame/drivers/a6809.cpp
diff options
context:
space:
mode:
Diffstat (limited to 'src/mame/drivers/a6809.cpp')
-rw-r--r--src/mame/drivers/a6809.cpp24
1 files changed, 12 insertions, 12 deletions
diff --git a/src/mame/drivers/a6809.cpp b/src/mame/drivers/a6809.cpp
index fbf33520990..744d855fd69 100644
--- a/src/mame/drivers/a6809.cpp
+++ b/src/mame/drivers/a6809.cpp
@@ -73,7 +73,7 @@ public:
, m_crtc(*this, "mc6845")
{ }
- DECLARE_WRITE8_MEMBER(kbd_put);
+ void kbd_put(u8 data);
DECLARE_READ8_MEMBER(videoram_r);
DECLARE_WRITE8_MEMBER(a6809_address_w);
DECLARE_WRITE8_MEMBER(a6809_register_w);
@@ -203,23 +203,23 @@ TIMER_DEVICE_CALLBACK_MEMBER(a6809_state::a6809_p)
}
}
-WRITE8_MEMBER( a6809_state::kbd_put )
+void a6809_state::kbd_put(u8 data)
{
uint8_t d = data & 0x7f;
if (d == 8) d = 0x7f; // allow backspace to work
- m_via->write_pb0((d>>0)&1);
- m_via->write_pb1((d>>1)&1);
- m_via->write_pb2((d>>2)&1);
- m_via->write_pb3((d>>3)&1);
- m_via->write_pb4((d>>4)&1);
- m_via->write_pb5((d>>5)&1);
- m_via->write_pb6((d>>6)&1);
+ m_via->write_pb0(BIT(d, 0));
+ m_via->write_pb1(BIT(d, 1));
+ m_via->write_pb2(BIT(d, 2));
+ m_via->write_pb3(BIT(d, 3));
+ m_via->write_pb4(BIT(d, 4));
+ m_via->write_pb5(BIT(d, 5));
+ m_via->write_pb6(BIT(d, 6));
m_via->write_cb1(1);
m_via->write_cb1(0);
}
-static MACHINE_CONFIG_START( a6809, a6809_state )
+static MACHINE_CONFIG_START( a6809 )
/* basic machine hardware */
MCFG_CPU_ADD("maincpu",M6809E, XTAL_4MHz)
MCFG_CPU_PROGRAM_MAP(a6809_mem)
@@ -254,7 +254,7 @@ static MACHINE_CONFIG_START( a6809, a6809_state )
MCFG_SAA5050_SCREEN_SIZE(40, 25, 40)
MCFG_DEVICE_ADD("keyboard", GENERIC_KEYBOARD, 0)
- MCFG_GENERIC_KEYBOARD_CB(WRITE8(a6809_state, kbd_put))
+ MCFG_GENERIC_KEYBOARD_CB(PUT(a6809_state, kbd_put))
MCFG_CASSETTE_ADD( "cassette" )
MCFG_TIMER_DRIVER_ADD_PERIODIC("a6809_c", a6809_state, a6809_c, attotime::from_hz(4800))
MCFG_TIMER_DRIVER_ADD_PERIODIC("a6809_p", a6809_state, a6809_p, attotime::from_hz(40000))
@@ -272,4 +272,4 @@ ROM_END
/* Driver */
/* YEAR NAME PARENT COMPAT MACHINE INPUT CLASS INIT COMPANY FULLNAME FLAGS */
-COMP( 1980, a6809, 0, 0, a6809, a6809, driver_device, 0, "Acorn", "System 3 (6809 CPU)", 0 )
+COMP( 1980, a6809, 0, 0, a6809, a6809, a6809_state, 0, "Acorn", "System 3 (6809 CPU)", 0 )