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https://github.com/holub/mame
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MT08203 fix (#9549)
* imagetek_i4100.cpp: add external pin callbacks, disallow internal irq acks for 5 to 7 lines; metro.cpp: tie irq line 5 to a vblank source with external pin 0 as irq enable, fixes MT08203; * imagetek_i4100.cpp: extend external pin notes * metro.cpp: add note about vmetal layer alignments, fix blzntrnd/gstrik2 regressions, address code review;
This commit is contained in:
Angelo Salese
GitHub
parent
e383606922
commit
11e2d67805
@ -291,6 +291,9 @@ imagetek_i4100_device::imagetek_i4100_device(const machine_config &mconfig, devi
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, m_tilemap_flip_scrolldx{0, 0, 0}
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, m_tilemap_flip_scrolldy{0, 0, 0}
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, m_spriteram_buffered(false)
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, m_ext_ctrl_0_cb(*this)
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, m_ext_ctrl_1_cb(*this)
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, m_ext_ctrl_2_cb(*this)
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{
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}
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@ -385,6 +388,10 @@ void imagetek_i4100_device::device_start()
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m_spritelist = std::make_unique<sprite_t []>(0x1000 / 8);
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m_sprite_end = m_spritelist.get();
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m_ext_ctrl_0_cb.resolve_safe();
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m_ext_ctrl_1_cb.resolve_safe();
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m_ext_ctrl_2_cb.resolve_safe();
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}
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void imagetek_i4300_device::device_start()
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@ -459,7 +466,11 @@ void imagetek_i4100_device::irq_cause_w(u8 data)
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return;
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LOGINT("%s: Interrupts acknowledged (%02X)\n", machine().describe_context(), data);
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m_requested_int &= ~data;
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// NB: at least i4100 device doesn't have control over bits 5-6-7
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// it's cleared on top of irq services in karatour & ladykill with a 0xffea
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// bit 5 seems more like an external irq service that is acknowledged separately,
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// and is necessary for those + 3kokushi for updating scroll registers.
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m_requested_int &= ~(data & 0x1f);
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update_irq_state();
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}
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@ -670,32 +681,41 @@ void imagetek_i4100_device::window_w(offs_t offset, uint16_t data, uint16_t mem_
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uint16_t imagetek_i4100_device::scroll_r(offs_t offset) { return m_scroll[offset]; }
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void imagetek_i4100_device::scroll_w(offs_t offset, uint16_t data, uint16_t mem_mask) { COMBINE_DATA(&m_scroll[offset]); }
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/****************************************************
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/*
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*
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* Screen Control Register:
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*
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* f--- ---- ---- ---- ?
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* f--- ---- ---- ---- ? karatour during POST (CRTC i/f sync?)
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* -edc b--- ---- ----
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* ---- -a98 ---- ---- ? Leds (see gakusai attract)
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* ---- -a98 ---- ---- external control pins
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* \- gakusai attract, unknown purpose
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* (bit 2 enabled during title photo flashes,
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* bit 1 always?,
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* bit 0 periodically during gal sequences);
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* \- (bit 0) karatour/ladykill/3kokushi external irq level 5 enable, (bit 1-2) unknown;
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* \- puzzli [hblank] timer stop/start? 0 during transitions, 7 otherwise
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* (including individual printouts of ROM statuses during POST);
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* \- mouja (1 during POST, 7 otherwise)
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* ---- ---- 765- ---- 16x16 Tiles (Layer 2-1-0)
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* ---- ---- ---4 32--
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* ---- ---- ---- --1- Blank Screen
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* ---- ---- ---- ---0 Flip Screen
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*
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****************************************************/
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*/
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void imagetek_i4100_device::screen_ctrl_w(offs_t offset, uint16_t data, uint16_t mem_mask)
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{
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m_layer_tile_select[2] = BIT(data,7);
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m_layer_tile_select[1] = BIT(data,6);
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m_layer_tile_select[0] = BIT(data,5);
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m_ext_ctrl_2_cb(BIT(data, 10));
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m_ext_ctrl_1_cb(BIT(data, 9));
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m_ext_ctrl_0_cb(BIT(data, 8));
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for (int i = 0; i < 3; i++)
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m_layer_tile_select[i] = BIT(data, 5 + i);
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// TODO: some of these must be externalized
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m_screen_blank = BIT(data,1);
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m_screen_flip = BIT(data,0);
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if (data & 0xff1c)
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logerror("%s warning: screen_ctrl_w write with %04x %04x\n",this->tag(),data,mem_mask);
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logerror("%s warning: screen_ctrl_w write with %04x %04x\n", this->tag(), data, mem_mask);
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}
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@ -52,6 +52,9 @@ public:
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}
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auto irq_cb() { return m_irq_cb.bind(); }
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auto ext_ctrl_0_cb() { return m_ext_ctrl_0_cb.bind(); }
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auto ext_ctrl_1_cb() { return m_ext_ctrl_1_cb.bind(); }
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auto ext_ctrl_2_cb() { return m_ext_ctrl_2_cb.bind(); }
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void set_vblank_irq_level(int level) { m_vblank_irq_level = level; }
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void set_blit_irq_level(int level) { m_blit_irq_level = level; }
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void set_spriteram_buffered(bool buffer) { m_spriteram_buffered = buffer; }
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@ -191,7 +194,6 @@ protected:
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uint16_t scroll_r(offs_t offset);
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void scroll_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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uint16_t gfxrom_r(offs_t offset);
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void crtc_vert_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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void crtc_horz_w(offs_t offset, uint16_t data, uint16_t mem_mask = ~0);
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@ -222,6 +224,10 @@ protected:
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bool m_inited_hack;
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DECLARE_GFXDECODE_MEMBER(gfxinfo);
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DECLARE_GFXDECODE_MEMBER(gfxinfo_ext);
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devcb_write_line m_ext_ctrl_0_cb;
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devcb_write_line m_ext_ctrl_1_cb;
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devcb_write_line m_ext_ctrl_2_cb;
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};
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class imagetek_i4220_device : public imagetek_i4100_device
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@ -71,13 +71,16 @@ To Do:
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- For video related issues @see devices/video/imagetek_i4100.cpp
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- Most games in service mode, seem to require that you press start1&2 *exactly at once*
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in order to advance to the next screen (e.g. holding 1 then pressing 2 doesn't work).
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- Coin lockout
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- Interrupt timing needs figuring out properly, having it incorrect
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causes scrolling glitches in some games. Test cases Mouse Go Go
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title screen, GunMaster title screen. Changing it can cause
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excessive slowdown in said games however.
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- karatour, ladykill, 3kokushi: understand what the irq source 5 is really tied to.
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All these games also have a vblank delay check outside irq routine,
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cfr. PC=1322 in karatour;
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- vmetal: ES8712 actually controls a M6585 and an unknown logic selector chip.
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- split these games into different files, check PCB markings.
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- Coin lockout;
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Notes:
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@ -132,11 +135,6 @@ void metro_state::device_timer(emu_timer &timer, device_timer_id id, int param)
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{
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switch (id)
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{
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case TIMER_KARATOUR_IRQ:
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if (m_vdp) m_vdp->clear_irq(5);
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if (m_vdp2) m_vdp2->clear_irq(5);
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if (m_vdp3) m_vdp3->clear_irq(5);
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break;
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case TIMER_MOUJA_IRQ:
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if (m_vdp) m_vdp->set_irq(0);
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if (m_vdp2) m_vdp2->set_irq(0);
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@ -184,18 +182,32 @@ TIMER_DEVICE_CALLBACK_MEMBER(metro_state::bangball_scanline)
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/* lev 2-7 (lev 1 seems sound related) */
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WRITE_LINE_MEMBER(metro_state::karatour_vblank_irq)
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{
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// printf("%d %d %lld\n", state, m_screen->vpos(), m_screen->frame_number());
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if (state)
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{
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/* write to scroll registers, the duration is a guess */
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m_karatour_irq_timer->adjust(attotime::from_usec(2500));
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if (m_vdp) m_vdp->set_irq(5);
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if (m_vdp2) m_vdp2->set_irq(5);
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if (m_vdp3) m_vdp3->set_irq(5);
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if (m_vdp) m_vdp->screen_eof(state);
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if (m_vdp2) m_vdp2->screen_eof(state);
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if (m_vdp3) m_vdp3->screen_eof(state);
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if (m_ext_irq_enable)
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{
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if (m_vdp) m_vdp->set_irq(5);
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if (m_vdp2) m_vdp2->set_irq(5);
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if (m_vdp3) m_vdp3->set_irq(5);
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}
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}
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else
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{
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if (m_vdp) m_vdp->clear_irq(5);
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if (m_vdp2) m_vdp2->clear_irq(5);
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if (m_vdp3) m_vdp3->clear_irq(5);
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}
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}
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WRITE_LINE_MEMBER(metro_state::ext_irq5_enable_w)
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{
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m_ext_irq_enable = state;
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}
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void metro_state::mouja_irq_timer_ctrl_w(uint16_t data)
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@ -2139,30 +2151,30 @@ INPUT_PORTS_END
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static INPUT_PORTS_START( mouja )
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PORT_START("IN0") //$478880
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
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PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
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PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
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PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
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PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
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PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
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PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
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PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(1)
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(1)
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(1)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(1)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(1)
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(1)
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PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(1)
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PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2)
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PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2)
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PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2)
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PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2)
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PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_PLAYER(2)
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PORT_BIT( 0x4000, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_PLAYER(2)
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PORT_BIT( 0x8000, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_PLAYER(2)
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PORT_START("IN1") //$478882
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PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_UNKNOWN )
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PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_START1 )
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PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_START2 )
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(2)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(2)
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PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_COIN1 ) PORT_IMPULSE(2)
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PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_COIN2 ) PORT_IMPULSE(2)
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PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_SERVICE1 )
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PORT_SERVICE_NO_TOGGLE(0x0080, IP_ACTIVE_LOW)
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@ -2796,8 +2808,8 @@ void metro_state::i4100_config(machine_config &config)
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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m_screen->set_refresh_hz(58.2328); // VSync 58.2328Hz, HSync 15.32kHz
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m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(0));
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m_screen->set_size(320, 240);
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m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(1500));
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m_screen->set_size(392, 263);
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m_screen->set_visarea(0, 320-1, 0, 240-1);
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m_screen->set_screen_update("vdp", FUNC(imagetek_i4100_device::screen_update));
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}
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@ -2810,8 +2822,8 @@ void metro_state::i4220_config(machine_config &config)
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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m_screen->set_refresh_hz(58.2328); // VSync 58.2328Hz, HSync 15.32kHz
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m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(0));
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m_screen->set_size(320, 240);
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m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(1500));
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m_screen->set_size(392, 263);
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m_screen->set_visarea(0, 320-1, 0, 224-1);
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m_screen->set_screen_update("vdp2", FUNC(imagetek_i4100_device::screen_update));
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}
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@ -2824,8 +2836,8 @@ void metro_state::i4300_config(machine_config &config)
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SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
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m_screen->set_refresh_hz(58.2328); // VSync 58.2328Hz, HSync 15.32kHz
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m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(0));
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m_screen->set_size(320, 240);
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m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(1500));
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m_screen->set_size(392, 263);
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m_screen->set_visarea(0, 320-1, 0, 224-1);
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m_screen->set_screen_update("vdp3", FUNC(imagetek_i4100_device::screen_update));
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}
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@ -2835,7 +2847,7 @@ void metro_state::i4100_config_360x224(machine_config &config)
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{
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i4100_config(config);
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m_screen->set_size(360, 224);
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// m_screen->set_size(392, 263);
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m_screen->set_visarea(0, 360-1, 0, 224-1);
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}
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@ -2843,7 +2855,7 @@ void metro_state::i4220_config_320x240(machine_config &config)
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{
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i4220_config(config);
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m_screen->set_size(320, 240);
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// m_screen->set_size(320, 240);
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m_screen->set_visarea(0, 320-1, 0, 240-1);
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}
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@ -2851,7 +2863,6 @@ void metro_state::i4220_config_304x224(machine_config &config)
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{
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i4220_config(config);
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m_screen->set_size(320, 240);
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m_screen->set_visarea(0, 304-1, 0, 224-1);
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}
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@ -2860,7 +2871,7 @@ void metro_state::i4300_config_384x224(machine_config &config)
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i4300_config(config);
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m_vdp3->set_clock(32_MHz_XTAL);
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m_screen->set_size(384, 240);
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// m_screen->set_size(384, 240);
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m_screen->set_visarea(0, 384-1, 0, 224-1);
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}
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@ -2868,7 +2879,7 @@ void metro_state::i4300_config_320x240(machine_config &config)
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{
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i4300_config(config);
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m_screen->set_size(384, 240);
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// m_screen->set_size(384, 240);
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m_screen->set_visarea(0, 320-1, 0, 240-1);
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}
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@ -3042,7 +3053,7 @@ void metro_state::karatour(machine_config &config)
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/* video hardware */
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i4100_config(config);
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m_vdp->irq_cb().set_inputline(m_maincpu, M68K_IRQ_2);
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m_vdp->ext_ctrl_0_cb().set(FUNC(metro_state::ext_irq5_enable_w));
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m_screen->screen_vblank().set(FUNC(metro_state::karatour_vblank_irq));
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/* sound hardware */
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@ -3067,6 +3078,7 @@ void metro_state::sankokushi(machine_config &config)
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/* video hardware */
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i4220_config_320x240(config);
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m_vdp2->irq_cb().set_inputline(m_maincpu, M68K_IRQ_2);
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m_vdp2->ext_ctrl_0_cb().set(FUNC(metro_state::ext_irq5_enable_w));
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m_screen->screen_vblank().set(FUNC(metro_state::karatour_vblank_irq));
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@ -3117,7 +3129,7 @@ void metro_state::lastforg(machine_config &config)
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i4100_config_360x224(config);
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m_vdp->irq_cb().set_inputline(m_maincpu, M68K_IRQ_2);
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m_vdp->ext_ctrl_0_cb().set(FUNC(metro_state::ext_irq5_enable_w));
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m_screen->screen_vblank().set(FUNC(metro_state::karatour_vblank_irq));
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/* sound hardware */
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@ -3385,8 +3397,12 @@ void metro_state::vmetal(machine_config &config)
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m_vdp2->set_tmap_xoffsets(0,0,0);
|
||||
m_vdp2->set_tmap_yoffsets(0,0,0);
|
||||
m_vdp2->set_tmap_flip_xoffsets(16,16,16);
|
||||
m_vdp2->set_tmap_flip_yoffsets(16,16,16);
|
||||
// TODO: very fussy on screen geometry changes
|
||||
// CRTC is set as 320x224, bottom 16 pixels are actually aligned properly when flip screen is on.
|
||||
// Easiest alignment test is during story lore in attract, specifically at bomb explosion screen
|
||||
// (latter being a sprite needs to be 1:1 aligned with underlying background layer)
|
||||
m_vdp2->set_tmap_flip_xoffsets(88,88,88);
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||||
m_vdp2->set_tmap_flip_yoffsets(39,39,39);
|
||||
|
||||
/* sound hardware */
|
||||
SPEAKER(config, "mono").front_center();
|
||||
@ -3421,11 +3437,12 @@ void metro_state::blzntrnd(machine_config &config)
|
||||
m_vdp2->set_vblank_irq_level(0);
|
||||
m_vdp2->set_blit_irq_level(3);
|
||||
m_vdp2->set_spriteram_buffered(true); // sprites are 1 frame delayed
|
||||
m_vdp2->ext_ctrl_0_cb().set(FUNC(metro_state::ext_irq5_enable_w));
|
||||
|
||||
SCREEN(config, m_screen, SCREEN_TYPE_RASTER);
|
||||
m_screen->set_refresh_hz(58.2328); // VSync 58.2328Hz, HSync 15.32kHz
|
||||
m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(0));
|
||||
m_screen->set_size(320, 240);
|
||||
m_screen->set_vblank_time(ATTOSECONDS_IN_USEC(1500));
|
||||
m_screen->set_size(392, 263);
|
||||
m_screen->set_visarea(0, 304-1, 0, 224-1);
|
||||
m_screen->set_screen_update(FUNC(metro_state::screen_update_psac_vdp2_mix));
|
||||
m_screen->screen_vblank().set(FUNC(metro_state::karatour_vblank_irq));
|
||||
@ -5356,8 +5373,7 @@ void metro_state::init_metro()
|
||||
|
||||
void metro_state::init_karatour()
|
||||
{
|
||||
m_karatour_irq_timer = timer_alloc(TIMER_KARATOUR_IRQ);
|
||||
|
||||
save_item(NAME(m_ext_irq_enable));
|
||||
init_metro();
|
||||
}
|
||||
|
||||
@ -5395,7 +5411,7 @@ void metro_state::init_dharmak()
|
||||
void metro_state::init_blzntrnd()
|
||||
{
|
||||
m_audiobank->configure_entries(0, 8, memregion("audiocpu")->base(), 0x4000);
|
||||
m_karatour_irq_timer = timer_alloc(TIMER_KARATOUR_IRQ);
|
||||
save_item(NAME(m_ext_irq_enable));
|
||||
}
|
||||
|
||||
void metro_state::init_vmetal()
|
||||
@ -5413,7 +5429,7 @@ void metro_state::init_mouja()
|
||||
void metro_state::init_lastfortg()
|
||||
{
|
||||
init_metro();
|
||||
m_karatour_irq_timer = timer_alloc(TIMER_KARATOUR_IRQ);
|
||||
save_item(NAME(m_ext_irq_enable));
|
||||
}
|
||||
|
||||
/***************************************************************************
|
||||
|
||||
@ -97,7 +97,6 @@ public:
|
||||
private:
|
||||
enum
|
||||
{
|
||||
TIMER_KARATOUR_IRQ,
|
||||
TIMER_MOUJA_IRQ
|
||||
};
|
||||
|
||||
@ -210,7 +209,6 @@ private:
|
||||
|
||||
/* irq_related */
|
||||
emu_timer *m_mouja_irq_timer = nullptr;
|
||||
emu_timer *m_karatour_irq_timer = nullptr;
|
||||
|
||||
/* sound related */
|
||||
u8 m_sound_data = 0;
|
||||
@ -226,6 +224,10 @@ private:
|
||||
int m_gakusai_oki_bank_hi = 0;
|
||||
|
||||
void gakusai_oki_bank_set();
|
||||
|
||||
DECLARE_WRITE_LINE_MEMBER(ext_irq5_enable_w);
|
||||
|
||||
bool m_ext_irq_enable = false;
|
||||
};
|
||||
|
||||
#endif // MAME_INCLUDES_METRO_H
|
||||
|
||||
Loading…
Reference in New Issue
Block a user