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(MESS) spc1000 : added IRQ which enables cursor flash & internal timer [Miso Kim, Robbbert]

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This commit is contained in:
Robbbert 2014-02-14 07:53:54 +00:00
parent 2a7318eee3
commit c37f312f57
1 changed files with 8 additions and 2 deletions
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10
src/mess/drivers/spc1000.c
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@ -41,6 +41,7 @@ public:
DECLARE_READ8_MEMBER(spc1000_video_ram_r);
DECLARE_READ8_MEMBER(spc1000_keyboard_r);
virtual void machine_reset();
DECLARE_WRITE_LINE_MEMBER(irq_w);
DECLARE_WRITE8_MEMBER(spc1000_gmode_w);
DECLARE_READ8_MEMBER(spc1000_gmode_r);
DECLARE_READ8_MEMBER(spc1000_mc6847_videoram_r);
@ -281,12 +282,18 @@ static const cassette_interface spc1000_cassette_interface =
NULL
};
// irq is inverted in emulation, so we need this trampoline
WRITE_LINE_MEMBER( spc1000_state::irq_w )
{
m_maincpu->set_input_line(0, state ? CLEAR_LINE : ASSERT_LINE);
}
static const mc6847_interface spc1000_mc6847_intf =
{
"screen",
DEVCB_DRIVER_MEMBER(spc1000_state,spc1000_mc6847_videoram_r), // data fetch
DEVCB_NULL,
DEVCB_NULL,
DEVCB_DRIVER_LINE_MEMBER(spc1000_state, irq_w), /* field sync */
DEVCB_NULL, /* AG */
DEVCB_LINE_VCC, /* GM2 */
@ -306,7 +313,6 @@ static MACHINE_CONFIG_START( spc1000, spc1000_state )
MCFG_CPU_PROGRAM_MAP(spc1000_mem)
MCFG_CPU_IO_MAP(spc1000_io)
/* video hardware */
MCFG_SCREEN_MC6847_NTSC_ADD("screen", "mc6847")
MCFG_MC6847_ADD("mc6847", MC6847_NTSC, XTAL_3_579545MHz, spc1000_mc6847_intf)