mirror of
https://github.com/holub/mame
synced 2025-05-23 06:08:48 +03:00
State-ized the thing
This commit is contained in:
Angelo Salese
parent
57b96d6021
commit
478a1bdaad
@ -92,12 +92,24 @@ public:
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required_shared_ptr<UINT8> m_obj1_ram;
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required_shared_ptr<UINT8> m_obj2_ram;
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required_shared_ptr<UINT8> m_obj3_ram;
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DECLARE_WRITE8_MEMBER(cyclemb_bankswitch_w);
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DECLARE_READ8_MEMBER(mcu_status_r);
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DECLARE_WRITE8_MEMBER(sound_cmd_w);
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DECLARE_WRITE8_MEMBER(cyclemb_flip_w);
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struct
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{
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UINT8 rxd;
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UINT8 txd;
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UINT8 rst;
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UINT8 state;
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UINT8 packet_type;
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}m_mcu[2];
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UINT16 m_dsw_pc_hack;
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DECLARE_WRITE8_MEMBER(cyclemb_bankswitch_w);
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// DECLARE_READ8_MEMBER(mcu_status_r);
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// DECLARE_WRITE8_MEMBER(sound_cmd_w);
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DECLARE_WRITE8_MEMBER(cyclemb_flip_w);
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DECLARE_READ8_MEMBER(skydest_i8741_0_r);
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DECLARE_WRITE8_MEMBER(skydest_i8741_0_w);
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};
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@ -375,15 +387,6 @@ WRITE8_MEMBER(cyclemb_state::sound_cmd_w)//actually ciom
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}
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#endif
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static struct
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{
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UINT8 rxd;
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UINT8 txd;
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UINT8 rst;
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UINT8 state;
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}skydest_mcu;
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WRITE8_MEMBER(cyclemb_state::cyclemb_flip_w)
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{
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flip_screen_set(data & 1);
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@ -393,18 +396,17 @@ WRITE8_MEMBER(cyclemb_state::cyclemb_flip_w)
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static void skydest_i8741_reset(running_machine &machine)
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{
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//cyclemb_state *state = machine.driver_data<cyclemb_state>();
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cyclemb_state *state = machine.driver_data<cyclemb_state>();
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skydest_mcu.rxd = 0;
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skydest_mcu.txd = 0;
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skydest_mcu.rst = 0;
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skydest_mcu.state = 0;
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state->m_mcu[0].rxd = 0;
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state->m_mcu[0].txd = 0;
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state->m_mcu[0].rst = 0;
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state->m_mcu[0].state = 0;
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state->m_mcu[0].packet_type = 0;
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}
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static READ8_HANDLER( skydest_8741_0_r )
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READ8_MEMBER( cyclemb_state::skydest_i8741_0_r )
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{
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cyclemb_state *state = space->machine().driver_data<cyclemb_state>();
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if(offset == 1) //status port
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{
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//printf("STATUS PC=%04x\n",cpu_get_pc(&space->device()));
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@ -418,73 +420,72 @@ static READ8_HANDLER( skydest_8741_0_r )
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//printf("%04x\n",cpu_get_pc(&space->device()));
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/* TODO: internal state of this */
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if(cpu_get_pc(&space->device()) == state->m_dsw_pc_hack)
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skydest_mcu.rxd = (space->machine().root_device().ioport("DSW1")->read() & 0x1f) << 2;
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else if(skydest_mcu.rst)
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if(cpu_get_pc(&space.device()) == m_dsw_pc_hack)
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m_mcu[0].rxd = (ioport("DSW1")->read() & 0x1f) << 2;
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else if(m_mcu[0].rst)
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{
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//printf("READ PC=%04x\n",cpu_get_pc(&space->device()));
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{
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static UINT8 mux_r;
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/* bit 6 controls inputs */
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/* bit 7 routes to audio i8741 */
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switch(skydest_mcu.state)
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switch(m_mcu[0].state)
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{
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case 1:
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{
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mux_r^=0x20;
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if(mux_r & 0x20)
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skydest_mcu.rxd = ((space->machine().root_device().ioport("DSW3")->read()) & 0x9f) | (mux_r);
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m_mcu[0].packet_type^=0x20;
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if(m_mcu[0].packet_type & 0x20)
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m_mcu[0].rxd = ((ioport("DSW3")->read()) & 0x9f) | (m_mcu[0].packet_type);
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else
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skydest_mcu.rxd = ((space->machine().root_device().ioport("SYSTEM")->read()) & 0x9f) | (mux_r);
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m_mcu[0].rxd = ((ioport("SYSTEM")->read()) & 0x9f) | (m_mcu[0].packet_type);
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break;
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}
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case 2:
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{
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mux_r^=0x20;
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if(mux_r & 0x20)
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skydest_mcu.rxd = ((space->machine().root_device().ioport("P1_1")->read()) & 0x1f) | (mux_r);
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m_mcu[0].packet_type^=0x20;
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if(m_mcu[0].packet_type & 0x20)
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m_mcu[0].rxd = ((ioport("P1_1")->read()) & 0x1f) | (m_mcu[0].packet_type);
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else
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skydest_mcu.rxd = ((space->machine().root_device().ioport("P1_0")->read()) & 0x1f) | (mux_r);
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m_mcu[0].rxd = ((ioport("P1_0")->read()) & 0x1f) | (m_mcu[0].packet_type);
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skydest_mcu.rxd |= ((space->machine().root_device().ioport("SYSTEM")->read()) & 0x80);
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m_mcu[0].rxd |= ((ioport("SYSTEM")->read()) & 0x80);
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break;
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}
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case 3:
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{
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mux_r^=0x20;
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if(mux_r & 0x20)
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skydest_mcu.rxd = ((space->machine().root_device().ioport("P2_1")->read()) & 0x1f) | (mux_r);
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m_mcu[0].packet_type^=0x20;
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if(m_mcu[0].packet_type & 0x20)
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m_mcu[0].rxd = ((ioport("P2_1")->read()) & 0x1f) | (m_mcu[0].packet_type);
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else
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skydest_mcu.rxd = ((space->machine().root_device().ioport("P2_0")->read()) & 0x1f) | (mux_r);
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m_mcu[0].rxd = ((ioport("P2_0")->read()) & 0x1f) | (m_mcu[0].packet_type);
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skydest_mcu.rxd |= ((space->machine().root_device().ioport("SYSTEM")->read()) & 0x80);
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m_mcu[0].rxd |= ((ioport("SYSTEM")->read()) & 0x80);
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break;
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}
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default:
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//printf("%02x\n",skydest_mcu.txd);
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skydest_mcu.rxd = 0x00;
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//printf("%02x\n",m_mcu[0].txd);
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m_mcu[0].rxd = 0x00;
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}
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// skydest_mcu.rxd = space->machine().rand();
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// m_mcu[0].rxd = space->machine().rand();
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// break;
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}
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for(i=0,pt=0;i<8;i++)
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{
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if(skydest_mcu.rxd & (1 << i))
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if(m_mcu[0].rxd & (1 << i))
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pt++;
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}
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if((pt % 2) == 1)
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skydest_mcu.rxd|=0x40;
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m_mcu[0].rxd|=0x40;
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}
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return skydest_mcu.rxd;
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return m_mcu[0].rxd;
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}
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}
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static WRITE8_HANDLER( skydest_8741_0_w )
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WRITE8_MEMBER( cyclemb_state::skydest_i8741_0_w )
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{
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if(offset == 1) //command port
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{
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@ -492,9 +493,9 @@ static WRITE8_HANDLER( skydest_8741_0_w )
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switch(data)
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{
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case 0:
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skydest_mcu.rxd = 0x40;
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skydest_mcu.rst = 0;
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skydest_mcu.state = 0;
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m_mcu[0].rxd = 0x40;
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m_mcu[0].rst = 0;
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m_mcu[0].state = 0;
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break;
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case 1:
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/*
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@ -507,31 +508,31 @@ static WRITE8_HANDLER( skydest_8741_0_w )
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0x01 sub NG RAM
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0x00 ok
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*/
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skydest_mcu.rxd = 0x40;
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skydest_mcu.rst = 0;
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m_mcu[0].rxd = 0x40;
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m_mcu[0].rst = 0;
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break;
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case 2:
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skydest_mcu.rxd = (space->machine().root_device().ioport("DSW2")->read() & 0x1f) << 2;
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skydest_mcu.rst = 0;
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m_mcu[0].rxd = (ioport("DSW2")->read() & 0x1f) << 2;
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m_mcu[0].rst = 0;
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break;
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case 3:
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//skydest_mcu.rxd = (space->machine().root_device().ioport("DSW1")->read() & 0x1f) << 2;
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skydest_mcu.rst = 1;
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skydest_mcu.txd = 0;
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//m_mcu[0].rxd = (ioport("DSW1")->read() & 0x1f) << 2;
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m_mcu[0].rst = 1;
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m_mcu[0].txd = 0;
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break;
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}
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}
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else
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{
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//printf("%02x DATA PC=%04x\n",data,cpu_get_pc(&space->device()));
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skydest_mcu.txd = data;
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m_mcu[0].txd = data;
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if(skydest_mcu.txd == 0x41)
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skydest_mcu.state = 1;
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if(skydest_mcu.txd == 0x42)
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skydest_mcu.state = 2;
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if(skydest_mcu.txd == 0x44)
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skydest_mcu.state = 3;
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if(m_mcu[0].txd == 0x41)
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m_mcu[0].state = 1;
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if(m_mcu[0].txd == 0x42)
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m_mcu[0].state = 2;
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if(m_mcu[0].txd == 0x44)
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m_mcu[0].state = 3;
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}
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}
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@ -550,7 +551,7 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( cyclemb_io, AS_IO, 8, cyclemb_state )
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// ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0xc000, 0xc000) AM_WRITE(cyclemb_bankswitch_w)
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AM_RANGE(0xc09e, 0xc09f) AM_READWRITE_LEGACY(skydest_8741_0_r, skydest_8741_0_w)
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AM_RANGE(0xc09e, 0xc09f) AM_READWRITE(skydest_i8741_0_r, skydest_i8741_0_w)
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AM_RANGE(0xc0bf, 0xc0bf) AM_WRITE(cyclemb_flip_w) //flip screen
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ADDRESS_MAP_END
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@ -558,7 +559,7 @@ ADDRESS_MAP_END
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static ADDRESS_MAP_START( skydest_io, AS_IO, 8, cyclemb_state )
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// ADDRESS_MAP_GLOBAL_MASK(0xff)
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AM_RANGE(0xc000, 0xc000) AM_WRITE(cyclemb_bankswitch_w)
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AM_RANGE(0xc080, 0xc081) AM_READWRITE_LEGACY(skydest_8741_0_r, skydest_8741_0_w)
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AM_RANGE(0xc080, 0xc081) AM_READWRITE(skydest_i8741_0_r, skydest_i8741_0_w)
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AM_RANGE(0xc0bf, 0xc0bf) AM_WRITE(cyclemb_flip_w) //flip screen
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ADDRESS_MAP_END
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@ -1076,5 +1077,5 @@ static DRIVER_INIT( skydest )
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state->m_dsw_pc_hack = 0x554;
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}
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GAME( 1984, cyclemb, 0, cyclemb, cyclemb, cyclemb, ROT0, "Taito Corporation", "Cycle Maabou (Japan)", GAME_NOT_WORKING )
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GAME( 1985, skydest, 0, skydest, skydest, skydest, ROT0, "Taito Corporation", "Sky Destroyer (Japan)", GAME_NO_COCKTAIL | GAME_NO_SOUND | GAME_UNEMULATED_PROTECTION )
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GAME( 1984, cyclemb, 0, cyclemb, cyclemb, cyclemb, ROT0, "Taito Corporation", "Cycle Maabou (Japan)", GAME_NO_COCKTAIL | GAME_NO_SOUND | GAME_NOT_WORKING )
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GAME( 1985, skydest, 0, skydest, skydest, skydest, ROT0, "Taito Corporation", "Sky Destroyer (Japan)", GAME_NO_COCKTAIL | GAME_NO_SOUND )
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