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(MESS) kc: devcb2. (nw)

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This commit is contained in:
Curt Coder 2014-03-19 11:30:38 +00:00
parent 80028e446b
commit 3d9eab4737
3 changed files with 16 additions and 52 deletions
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11
src/mess/drivers/kc.c
View File

@ -113,11 +113,6 @@ Z80CTC_INTERFACE( kc85_ctc_intf )
DEVCB_DRIVER_LINE_MEMBER(kc_state, video_toggle_blink_state)
};
const kc_keyb_interface kc85_keyboard_interface =
{
DEVCB_DRIVER_LINE_MEMBER(kc_state, keyboard_cb)
};
static const cassette_interface kc_cassette_interface =
{
kc_cassette_formats,
@ -148,7 +143,8 @@ static MACHINE_CONFIG_START( kc85_3, kc_state )
MCFG_PALETTE_ADD("palette", KC85_PALETTE_SIZE)
MCFG_PALETTE_INIT_OWNER(kc_state, kc85 )
MCFG_KC_KEYBOARD_ADD("keyboard", XTAL_4MHz, kc85_keyboard_interface)
MCFG_DEVICE_ADD("keyboard", KC_KEYBOARD, XTAL_4MHz)
MCFG_KC_KEYBOARD_OUT_CALLBACK(WRITELINE(kc_state, keyboard_cb))
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")
@ -201,7 +197,8 @@ static MACHINE_CONFIG_START( kc85_4, kc85_4_state )
MCFG_PALETTE_ADD("palette", KC85_PALETTE_SIZE)
MCFG_PALETTE_INIT_OWNER(kc85_4_state, kc85 )
MCFG_KC_KEYBOARD_ADD("keyboard", XTAL_4MHz, kc85_keyboard_interface)
MCFG_DEVICE_ADD("keyboard", KC_KEYBOARD, XTAL_4MHz)
MCFG_KC_KEYBOARD_OUT_CALLBACK(WRITELINE(kc_state, keyboard_cb))
/* sound hardware */
MCFG_SPEAKER_STANDARD_MONO("mono")

31
src/mess/machine/kc_keyb.c
View File

@ -436,7 +436,8 @@ INPUT_PORTS_END
// kc_keyboard_device - constructor
//-------------------------------------------------
kc_keyboard_device::kc_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) :
device_t(mconfig, KC_KEYBOARD, "KC Keyboard", tag, owner, clock, "kc_keyboard", __FILE__)
device_t(mconfig, KC_KEYBOARD, "KC Keyboard", tag, owner, clock, "kc_keyboard", __FILE__),
m_write_out(*this)
{
}
@ -455,7 +456,7 @@ kc_keyboard_device::~kc_keyboard_device()
void kc_keyboard_device::device_start()
{
// resolve callbacks
m_keyboard_out_func.resolve(m_keyboard_out_cb, *this);
m_write_out.resolve_safe();
m_timer_transmit_pulse = timer_alloc(TIMER_TRANSMIT_PULSE);
@ -469,7 +470,7 @@ void kc_keyboard_device::device_start()
void kc_keyboard_device::device_reset()
{
// set initial state
m_keyboard_out_func(CLEAR_LINE);
m_write_out(CLEAR_LINE);
m_transmit_buffer.pulse_sent = 0;
m_transmit_buffer.pulse_count = 0;
@ -477,28 +478,6 @@ void kc_keyboard_device::device_reset()
memset(&m_transmit_buffer, 0, sizeof(m_transmit_buffer));
}
//-------------------------------------------------
// device_config_complete - perform any
// operations now that the configuration is
// complete
//-------------------------------------------------
void kc_keyboard_device::device_config_complete()
{
// inherit a copy of the static data
const kc_keyb_interface *intf = reinterpret_cast<const kc_keyb_interface *>(static_config());
if (intf != NULL)
{
*static_cast<kc_keyb_interface *>(this) = *intf;
}
// or initialize to defaults if none provided
else
{
memset(&m_keyboard_out_func, 0, sizeof(m_keyboard_out_func));
}
}
//-------------------------------------------------
// input_ports - device-specific input ports
//-------------------------------------------------
@ -530,7 +509,7 @@ void kc_keyboard_device::device_timer(emu_timer &timer, device_timer_id id, int
LOG(("KC keyboard sending pulse: %02x\n", pulse_state));
// send pulse
m_keyboard_out_func(pulse_state ? ASSERT_LINE : CLEAR_LINE);
m_write_out(pulse_state ? ASSERT_LINE : CLEAR_LINE);
// update counts
m_transmit_buffer.pulse_sent++;

26
src/mess/machine/kc_keyb.h
View File

@ -9,6 +9,9 @@
#ifndef __KC_KEYB_H__
#define __KC_KEYB_H__
#define MCFG_KC_KEYBOARD_OUT_CALLBACK(_write) \
devcb = &kc_keyboard_device::set_out_wr_callback(*device, DEVCB2_##_write);
/***************************************************************************
TYPE DEFINITIONS
***************************************************************************/
@ -16,23 +19,17 @@
/* number of pulses that can be stored */
#define KC_TRANSMIT_BUFFER_LENGTH 256
// ======================> kc_keyb_interface
struct kc_keyb_interface
{
devcb_write_line m_keyboard_out_cb;
};
// ======================> kc_keyboard_device
class kc_keyboard_device : public device_t,
public kc_keyb_interface
class kc_keyboard_device : public device_t
{
public:
// construction/destruction
kc_keyboard_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock);
virtual ~kc_keyboard_device();
template<class _Object> static devcb2_base &set_out_wr_callback(device_t &device, _Object object) { return downcast<kc_keyboard_device &>(device).m_write_out.set_callback(object); }
// optional information overrides
virtual ioport_constructor device_input_ports() const;
@ -40,7 +37,6 @@ protected:
// device-level overrides
virtual void device_start();
virtual void device_reset();
virtual void device_config_complete();
virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr);
void add_pulse_to_transmit_buffer(int pulse_state, int pulse_number = 1);
@ -52,7 +48,7 @@ private:
// internal state
emu_timer * m_timer_transmit_pulse;
devcb_resolved_write_line m_keyboard_out_func;
devcb2_write_line m_write_out;
// pulses to transmit
struct
@ -66,12 +62,4 @@ private:
// device type definition
extern const device_type KC_KEYBOARD;
/***************************************************************************
DEVICE CONFIGURATION MACROS
***************************************************************************/
#define MCFG_KC_KEYBOARD_ADD(_tag,_clock,_config) \
MCFG_DEVICE_ADD(_tag, KC_KEYBOARD, _clock) \
MCFG_DEVICE_CONFIG(_config)
#endif /* __KC_KEYB_H__ */