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State-ized the thing

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This commit is contained in:
Angelo Salese 2012-07-30 15:03:46 +00:00
parent 57b96d6021
commit 478a1bdaad
1 changed files with 69 additions and 68 deletions
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137
src/mame/drivers/cyclemb.c
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@ -92,12 +92,24 @@ public:
required_shared_ptr<UINT8> m_obj1_ram; required_shared_ptr<UINT8> m_obj1_ram;
required_shared_ptr<UINT8> m_obj2_ram; required_shared_ptr<UINT8> m_obj2_ram;
required_shared_ptr<UINT8> m_obj3_ram; required_shared_ptr<UINT8> m_obj3_ram;
DECLARE_WRITE8_MEMBER(cyclemb_bankswitch_w);
DECLARE_READ8_MEMBER(mcu_status_r); struct
DECLARE_WRITE8_MEMBER(sound_cmd_w); {
DECLARE_WRITE8_MEMBER(cyclemb_flip_w); UINT8 rxd;
UINT8 txd;
UINT8 rst;
UINT8 state;
UINT8 packet_type;
}m_mcu[2];
UINT16 m_dsw_pc_hack; UINT16 m_dsw_pc_hack;
DECLARE_WRITE8_MEMBER(cyclemb_bankswitch_w);
// DECLARE_READ8_MEMBER(mcu_status_r);
// DECLARE_WRITE8_MEMBER(sound_cmd_w);
DECLARE_WRITE8_MEMBER(cyclemb_flip_w);
DECLARE_READ8_MEMBER(skydest_i8741_0_r);
DECLARE_WRITE8_MEMBER(skydest_i8741_0_w);
}; };
@ -375,15 +387,6 @@ WRITE8_MEMBER(cyclemb_state::sound_cmd_w)//actually ciom
} }
#endif #endif
static struct
{
UINT8 rxd;
UINT8 txd;
UINT8 rst;
UINT8 state;
}skydest_mcu;
WRITE8_MEMBER(cyclemb_state::cyclemb_flip_w) WRITE8_MEMBER(cyclemb_state::cyclemb_flip_w)
{ {
flip_screen_set(data & 1); flip_screen_set(data & 1);
@ -393,18 +396,17 @@ WRITE8_MEMBER(cyclemb_state::cyclemb_flip_w)
static void skydest_i8741_reset(running_machine &machine) static void skydest_i8741_reset(running_machine &machine)
{ {
//cyclemb_state *state = machine.driver_data<cyclemb_state>(); cyclemb_state *state = machine.driver_data<cyclemb_state>();
skydest_mcu.rxd = 0; state->m_mcu[0].rxd = 0;
skydest_mcu.txd = 0; state->m_mcu[0].txd = 0;
skydest_mcu.rst = 0; state->m_mcu[0].rst = 0;
skydest_mcu.state = 0; state->m_mcu[0].state = 0;
state->m_mcu[0].packet_type = 0;
} }
static READ8_HANDLER( skydest_8741_0_r ) READ8_MEMBER( cyclemb_state::skydest_i8741_0_r )
{ {
cyclemb_state *state = space->machine().driver_data<cyclemb_state>();
if(offset == 1) //status port if(offset == 1) //status port
{ {
//printf("STATUS PC=%04x\n",cpu_get_pc(&space->device())); //printf("STATUS PC=%04x\n",cpu_get_pc(&space->device()));
@ -418,73 +420,72 @@ static READ8_HANDLER( skydest_8741_0_r )
//printf("%04x\n",cpu_get_pc(&space->device())); //printf("%04x\n",cpu_get_pc(&space->device()));
/* TODO: internal state of this */ /* TODO: internal state of this */
if(cpu_get_pc(&space->device()) == state->m_dsw_pc_hack) if(cpu_get_pc(&space.device()) == m_dsw_pc_hack)
skydest_mcu.rxd = (space->machine().root_device().ioport("DSW1")->read() & 0x1f) << 2; m_mcu[0].rxd = (ioport("DSW1")->read() & 0x1f) << 2;
else if(skydest_mcu.rst) else if(m_mcu[0].rst)
{ {
//printf("READ PC=%04x\n",cpu_get_pc(&space->device())); //printf("READ PC=%04x\n",cpu_get_pc(&space->device()));
{ {
static UINT8 mux_r;
/* bit 6 controls inputs */ /* bit 6 controls inputs */
/* bit 7 routes to audio i8741 */ /* bit 7 routes to audio i8741 */
switch(skydest_mcu.state) switch(m_mcu[0].state)
{ {
case 1: case 1:
{ {
mux_r^=0x20; m_mcu[0].packet_type^=0x20;
if(mux_r & 0x20) if(m_mcu[0].packet_type & 0x20)
skydest_mcu.rxd = ((space->machine().root_device().ioport("DSW3")->read()) & 0x9f) | (mux_r); m_mcu[0].rxd = ((ioport("DSW3")->read()) & 0x9f) | (m_mcu[0].packet_type);
else else
skydest_mcu.rxd = ((space->machine().root_device().ioport("SYSTEM")->read()) & 0x9f) | (mux_r); m_mcu[0].rxd = ((ioport("SYSTEM")->read()) & 0x9f) | (m_mcu[0].packet_type);
break; break;
} }
case 2: case 2:
{ {
mux_r^=0x20; m_mcu[0].packet_type^=0x20;
if(mux_r & 0x20) if(m_mcu[0].packet_type & 0x20)
skydest_mcu.rxd = ((space->machine().root_device().ioport("P1_1")->read()) & 0x1f) | (mux_r); m_mcu[0].rxd = ((ioport("P1_1")->read()) & 0x1f) | (m_mcu[0].packet_type);
else else
skydest_mcu.rxd = ((space->machine().root_device().ioport("P1_0")->read()) & 0x1f) | (mux_r); m_mcu[0].rxd = ((ioport("P1_0")->read()) & 0x1f) | (m_mcu[0].packet_type);
skydest_mcu.rxd |= ((space->machine().root_device().ioport("SYSTEM")->read()) & 0x80); m_mcu[0].rxd |= ((ioport("SYSTEM")->read()) & 0x80);
break; break;
} }
case 3: case 3:
{ {
mux_r^=0x20; m_mcu[0].packet_type^=0x20;
if(mux_r & 0x20) if(m_mcu[0].packet_type & 0x20)
skydest_mcu.rxd = ((space->machine().root_device().ioport("P2_1")->read()) & 0x1f) | (mux_r); m_mcu[0].rxd = ((ioport("P2_1")->read()) & 0x1f) | (m_mcu[0].packet_type);
else else
skydest_mcu.rxd = ((space->machine().root_device().ioport("P2_0")->read()) & 0x1f) | (mux_r); m_mcu[0].rxd = ((ioport("P2_0")->read()) & 0x1f) | (m_mcu[0].packet_type);
skydest_mcu.rxd |= ((space->machine().root_device().ioport("SYSTEM")->read()) & 0x80); m_mcu[0].rxd |= ((ioport("SYSTEM")->read()) & 0x80);
break; break;
} }
default: default:
//printf("%02x\n",skydest_mcu.txd); //printf("%02x\n",m_mcu[0].txd);
skydest_mcu.rxd = 0x00; m_mcu[0].rxd = 0x00;
} }
// skydest_mcu.rxd = space->machine().rand(); // m_mcu[0].rxd = space->machine().rand();
// break; // break;
} }
for(i=0,pt=0;i<8;i++) for(i=0,pt=0;i<8;i++)
{ {
if(skydest_mcu.rxd & (1 << i)) if(m_mcu[0].rxd & (1 << i))
pt++; pt++;
} }
if((pt % 2) == 1) if((pt % 2) == 1)
skydest_mcu.rxd|=0x40; m_mcu[0].rxd|=0x40;
} }
return skydest_mcu.rxd; return m_mcu[0].rxd;
} }
} }
static WRITE8_HANDLER( skydest_8741_0_w ) WRITE8_MEMBER( cyclemb_state::skydest_i8741_0_w )
{ {
if(offset == 1) //command port if(offset == 1) //command port
{ {
@ -492,9 +493,9 @@ static WRITE8_HANDLER( skydest_8741_0_w )
switch(data) switch(data)
{ {
case 0: case 0:
skydest_mcu.rxd = 0x40; m_mcu[0].rxd = 0x40;
skydest_mcu.rst = 0; m_mcu[0].rst = 0;
skydest_mcu.state = 0; m_mcu[0].state = 0;
break; break;
case 1: case 1:
/* /*
@ -507,31 +508,31 @@ static WRITE8_HANDLER( skydest_8741_0_w )
0x01 sub NG RAM 0x01 sub NG RAM
0x00 ok 0x00 ok
*/ */
skydest_mcu.rxd = 0x40; m_mcu[0].rxd = 0x40;
skydest_mcu.rst = 0; m_mcu[0].rst = 0;
break; break;
case 2: case 2:
skydest_mcu.rxd = (space->machine().root_device().ioport("DSW2")->read() & 0x1f) << 2; m_mcu[0].rxd = (ioport("DSW2")->read() & 0x1f) << 2;
skydest_mcu.rst = 0; m_mcu[0].rst = 0;
break; break;
case 3: case 3:
//skydest_mcu.rxd = (space->machine().root_device().ioport("DSW1")->read() & 0x1f) << 2; //m_mcu[0].rxd = (ioport("DSW1")->read() & 0x1f) << 2;
skydest_mcu.rst = 1; m_mcu[0].rst = 1;
skydest_mcu.txd = 0; m_mcu[0].txd = 0;
break; break;
} }
} }
else else
{ {
//printf("%02x DATA PC=%04x\n",data,cpu_get_pc(&space->device())); //printf("%02x DATA PC=%04x\n",data,cpu_get_pc(&space->device()));
skydest_mcu.txd = data; m_mcu[0].txd = data;
if(skydest_mcu.txd == 0x41) if(m_mcu[0].txd == 0x41)
skydest_mcu.state = 1; m_mcu[0].state = 1;
if(skydest_mcu.txd == 0x42) if(m_mcu[0].txd == 0x42)
skydest_mcu.state = 2; m_mcu[0].state = 2;
if(skydest_mcu.txd == 0x44) if(m_mcu[0].txd == 0x44)
skydest_mcu.state = 3; m_mcu[0].state = 3;
} }
} }
@ -550,7 +551,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( cyclemb_io, AS_IO, 8, cyclemb_state ) static ADDRESS_MAP_START( cyclemb_io, AS_IO, 8, cyclemb_state )
// ADDRESS_MAP_GLOBAL_MASK(0xff) // ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0xc000, 0xc000) AM_WRITE(cyclemb_bankswitch_w) AM_RANGE(0xc000, 0xc000) AM_WRITE(cyclemb_bankswitch_w)
AM_RANGE(0xc09e, 0xc09f) AM_READWRITE_LEGACY(skydest_8741_0_r, skydest_8741_0_w) AM_RANGE(0xc09e, 0xc09f) AM_READWRITE(skydest_i8741_0_r, skydest_i8741_0_w)
AM_RANGE(0xc0bf, 0xc0bf) AM_WRITE(cyclemb_flip_w) //flip screen AM_RANGE(0xc0bf, 0xc0bf) AM_WRITE(cyclemb_flip_w) //flip screen
ADDRESS_MAP_END ADDRESS_MAP_END
@ -558,7 +559,7 @@ ADDRESS_MAP_END
static ADDRESS_MAP_START( skydest_io, AS_IO, 8, cyclemb_state ) static ADDRESS_MAP_START( skydest_io, AS_IO, 8, cyclemb_state )
// ADDRESS_MAP_GLOBAL_MASK(0xff) // ADDRESS_MAP_GLOBAL_MASK(0xff)
AM_RANGE(0xc000, 0xc000) AM_WRITE(cyclemb_bankswitch_w) AM_RANGE(0xc000, 0xc000) AM_WRITE(cyclemb_bankswitch_w)
AM_RANGE(0xc080, 0xc081) AM_READWRITE_LEGACY(skydest_8741_0_r, skydest_8741_0_w) AM_RANGE(0xc080, 0xc081) AM_READWRITE(skydest_i8741_0_r, skydest_i8741_0_w)
AM_RANGE(0xc0bf, 0xc0bf) AM_WRITE(cyclemb_flip_w) //flip screen AM_RANGE(0xc0bf, 0xc0bf) AM_WRITE(cyclemb_flip_w) //flip screen
ADDRESS_MAP_END ADDRESS_MAP_END
@ -1076,5 +1077,5 @@ static DRIVER_INIT( skydest )
state->m_dsw_pc_hack = 0x554; state->m_dsw_pc_hack = 0x554;
} }
GAME( 1984, cyclemb, 0, cyclemb, cyclemb, cyclemb, ROT0, "Taito Corporation", "Cycle Maabou (Japan)", GAME_NOT_WORKING ) GAME( 1984, cyclemb, 0, cyclemb, cyclemb, cyclemb, ROT0, "Taito Corporation", "Cycle Maabou (Japan)", GAME_NO_COCKTAIL | GAME_NO_SOUND | GAME_NOT_WORKING )
GAME( 1985, skydest, 0, skydest, skydest, skydest, ROT0, "Taito Corporation", "Sky Destroyer (Japan)", GAME_NO_COCKTAIL | GAME_NO_SOUND | GAME_UNEMULATED_PROTECTION ) GAME( 1985, skydest, 0, skydest, skydest, skydest, ROT0, "Taito Corporation", "Sky Destroyer (Japan)", GAME_NO_COCKTAIL | GAME_NO_SOUND )