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(MESS) d6800 tags (nw)

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This commit is contained in:
Robbbert 2013-01-28 00:18:49 +00:00
parent 25cbda7ca0
commit e6d0d09b88
1 changed files with 34 additions and 18 deletions
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52
src/mess/drivers/d6800.c
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@ -51,12 +51,22 @@ class d6800_state : public driver_device
{
public:
d6800_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_cass(*this, CASSETTE_TAG),
m_pia(*this, "pia"),
m_dac(*this, "dac"),
m_videoram(*this, "videoram") { }
: driver_device(mconfig, type, tag)
, m_maincpu(*this, "maincpu")
, m_cass(*this, CASSETTE_TAG)
, m_pia(*this, "pia")
, m_dac(*this, "dac")
, m_videoram(*this, "videoram")
, m_io_x0(*this, "X0")
, m_io_x1(*this, "X1")
, m_io_x2(*this, "X2")
, m_io_x3(*this, "X3")
, m_io_y0(*this, "Y0")
, m_io_y1(*this, "Y1")
, m_io_y2(*this, "Y2")
, m_io_y3(*this, "Y3")
, m_io_shift(*this, "SHIFT")
{ }
DECLARE_READ8_MEMBER( d6800_cassette_r );
DECLARE_WRITE8_MEMBER( d6800_cassette_w );
@ -66,21 +76,30 @@ public:
DECLARE_READ_LINE_MEMBER( d6800_keydown_r );
DECLARE_READ_LINE_MEMBER( d6800_rtc_pulse );
DECLARE_WRITE_LINE_MEMBER( d6800_screen_w );
UINT8 m_rtc;
bool m_screen_on;
UINT32 screen_update_d6800(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(d6800_p);
protected:
required_device<cpu_device> m_maincpu;
required_device<cassette_image_device> m_cass;
required_device<pia6821_device> m_pia;
required_device<dac_device> m_dac;
required_shared_ptr<UINT8> m_videoram;
required_ioport m_io_x0;
required_ioport m_io_x1;
required_ioport m_io_x2;
required_ioport m_io_x3;
required_ioport m_io_y0;
required_ioport m_io_y1;
required_ioport m_io_y2;
required_ioport m_io_y3;
required_ioport m_io_shift;
private:
UINT8 m_rtc;
bool m_screen_on;
UINT8 m_kbd_s;
UINT8 m_portb;
virtual void machine_start();
virtual void machine_reset();
public:
UINT32 screen_update_d6800(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
TIMER_DEVICE_CALLBACK_MEMBER(d6800_p);
};
@ -198,10 +217,7 @@ READ_LINE_MEMBER( d6800_state::d6800_rtc_pulse )
READ_LINE_MEMBER( d6800_state::d6800_keydown_r )
{
UINT8 data = ioport("X0")->read()
& ioport("X1")->read()
& ioport("X2")->read()
& ioport("X3")->read();
UINT8 data = m_io_x0->read() & m_io_x1->read() & m_io_x2->read() & m_io_x3->read();
m_kbd_s = (data == 15) ? 0 : 1;
@ -210,7 +226,7 @@ READ_LINE_MEMBER( d6800_state::d6800_keydown_r )
READ_LINE_MEMBER( d6800_state::d6800_fn_key_r )
{
return ioport("SHIFT")->read();
return m_io_shift->read();
}
WRITE_LINE_MEMBER( d6800_state::d6800_screen_w )
@ -254,10 +270,10 @@ READ8_MEMBER( d6800_state::d6800_keyboard_r )
m_kbd_s++;
if (m_kbd_s == 3)
return 0x0f & ioport("X0")->read() & ioport("X1")->read() & ioport("X2")->read() & ioport("X3")->read();
return 0x0f & m_io_x0->read() & m_io_x1->read() & m_io_x2->read() & m_io_x3->read();
else
if (m_kbd_s == 6)
return 0xf0 & ioport("Y0")->read() & ioport("Y1")->read() & ioport("Y2")->read() & ioport("Y3")->read();
return 0xf0 & m_io_y0->read() & m_io_y1->read() & m_io_y2->read() & m_io_y3->read();
else
return 0xff;
}