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hitpoker: IRQ modernization (nw)

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This commit is contained in:
AJR 2018-04-05 00:57:01 -04:00
parent 8320cb6cf4
commit 64dd21b5bd
1 changed files with 17 additions and 34 deletions
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51
src/mame/drivers/hitpoker.cpp
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@ -84,10 +84,11 @@ public:
DECLARE_READ8_MEMBER(eeprom_r);
DECLARE_READ8_MEMBER(hitpoker_pic_r);
DECLARE_WRITE8_MEMBER(hitpoker_pic_w);
DECLARE_WRITE_LINE_MEMBER(hitpoker_irq);
DECLARE_READ8_MEMBER(irq_clear_r);
DECLARE_DRIVER_INIT(hitpoker);
virtual void video_start() override;
uint32_t screen_update_hitpoker(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
INTERRUPT_GEN_MEMBER(hitpoker_irq);
required_device<cpu_device> m_maincpu;
required_device<gfxdecode_device> m_gfxdecode;
required_device<palette_device> m_palette;
@ -256,6 +257,19 @@ READ8_MEMBER(hitpoker_state::test_r)
}
#endif
WRITE_LINE_MEMBER(hitpoker_state::hitpoker_irq)
{
if (state)
m_maincpu->set_input_line(MC68HC11_IRQ_LINE, ASSERT_LINE);
}
READ8_MEMBER(hitpoker_state::irq_clear_r)
{
if (!machine().side_effects_disabled())
m_maincpu->set_input_line(MC68HC11_IRQ_LINE, CLEAR_LINE);
return 0xff;
}
/* overlap empty rom addresses */
void hitpoker_state::hitpoker_map(address_map &map)
{
@ -267,7 +281,7 @@ void hitpoker_state::hitpoker_map(address_map &map)
map(0x8000, 0xb5ff).rw(this, FUNC(hitpoker_state::hitpoker_vram_r), FUNC(hitpoker_state::hitpoker_vram_w));
map(0xb600, 0xbdff).ram();
map(0xbe0a, 0xbe0a).portr("IN0");
map(0xbe0c, 0xbe0c).portr("IN2"); //irq ack?
map(0xbe0c, 0xbe0c).r(this, FUNC(hitpoker_state::irq_clear_r));
map(0xbe0d, 0xbe0d).r(this, FUNC(hitpoker_state::rtc_r));
map(0xbe0e, 0xbe0e).portr("IN1");
map(0xbe50, 0xbe51).w(this, FUNC(hitpoker_state::eeprom_offset_w));
@ -363,32 +377,6 @@ static INPUT_PORTS_START( hitpoker )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START("IN2")
PORT_DIPNAME( 0x01, 0x01, "IN2" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x02, 0x02, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x02, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x04, 0x04, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x04, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x08, 0x08, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x08, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x10, 0x10, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x10, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x20, 0x20, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x20, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x40, 0x40, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x40, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_DIPNAME( 0x80, 0x80, DEF_STR( Unknown ) )
PORT_DIPSETTING( 0x80, DEF_STR( Off ) )
PORT_DIPSETTING( 0x00, DEF_STR( On ) )
PORT_START("DSW1")
PORT_DIPNAME( 0x01, 0x01, "DSW1" )
PORT_DIPSETTING( 0x01, DEF_STR( Off ) )
@ -470,17 +458,11 @@ static GFXDECODE_START( hitpoker )
GFXDECODE_ENTRY( "gfx1", 0, hitpoker_layout_8bpp, 0, 8 )
GFXDECODE_END
INTERRUPT_GEN_MEMBER(hitpoker_state::hitpoker_irq)
{
device.execute().set_input_line(MC68HC11_IRQ_LINE, HOLD_LINE);
}
MACHINE_CONFIG_START(hitpoker_state::hitpoker)
MCFG_CPU_ADD("maincpu", MC68HC11,1000000)
MCFG_CPU_PROGRAM_MAP(hitpoker_map)
MCFG_CPU_IO_MAP(hitpoker_io)
MCFG_MC68HC11_CONFIG(0, 0x100, 0x01)
MCFG_CPU_VBLANK_INT_DRIVER("screen", hitpoker_state, hitpoker_irq)
MCFG_NVRAM_ADD_0FILL("nvram")
@ -496,6 +478,7 @@ MACHINE_CONFIG_START(hitpoker_state::hitpoker)
MCFG_MC6845_ADD("crtc", H46505, "screen", CRTC_CLOCK/2) /* hand tuned to get ~60 fps */
MCFG_MC6845_SHOW_BORDER_AREA(false)
MCFG_MC6845_CHAR_WIDTH(8)
MCFG_MC6845_OUT_VSYNC_CB(WRITELINE(hitpoker_state, hitpoker_irq))
MCFG_GFXDECODE_ADD("gfxdecode", "palette", hitpoker)
MCFG_PALETTE_ADD("palette", 0x800)