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spyhuntertec: mucking about, trying to get steering wheel to work(it does)

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This commit is contained in:
hap 2016-03-30 18:58:35 +02:00
parent b755be89a6
commit edd133683d
1 changed files with 31 additions and 26 deletions
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53
src/mame/drivers/spyhuntertec.cpp
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@ -31,7 +31,9 @@ class spyhuntertec_state : public driver_device
public: public:
spyhuntertec_state(const machine_config &mconfig, device_type type, const char *tag) spyhuntertec_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag), : driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"), m_audiocpu(*this, "audiocpu"),
m_analog_timer(*this, "analog_timer"),
m_videoram(*this, "videoram"), m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"), m_spriteram(*this, "spriteram"),
m_spriteram2(*this, "spriteram2"), m_spriteram2(*this, "spriteram2"),
@ -43,12 +45,17 @@ public:
{ } { }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu; required_device<cpu_device> m_audiocpu;
required_device<timer_device> m_analog_timer;
required_shared_ptr<UINT8> m_videoram; required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram; required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_spriteram2; required_shared_ptr<UINT8> m_spriteram2;
required_shared_ptr<UINT8> m_paletteram; required_shared_ptr<UINT8> m_paletteram;
required_shared_ptr<UINT8> m_spyhunt_alpharam; required_shared_ptr<UINT8> m_spyhunt_alpharam;
required_device<palette_device> m_palette;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
virtual void machine_start() override; virtual void machine_start() override;
virtual void machine_reset() override; virtual void machine_reset() override;
@ -57,9 +64,6 @@ public:
UINT32 screen_update_spyhuntertec(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect); UINT32 screen_update_spyhuntertec(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<palette_device> m_palette;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
UINT8 m_spyhunt_sprite_color_mask; UINT8 m_spyhunt_sprite_color_mask;
INT16 m_spyhunt_scroll_offset; INT16 m_spyhunt_scroll_offset;
@ -98,9 +102,12 @@ public:
TILE_GET_INFO_MEMBER(spyhunt_get_alpha_tile_info); TILE_GET_INFO_MEMBER(spyhunt_get_alpha_tile_info);
void mcr3_update_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int color_mask, int code_xor, int dx, int dy, int interlaced); void mcr3_update_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int color_mask, int code_xor, int dx, int dy, int interlaced);
TIMER_DEVICE_CALLBACK_MEMBER(analog_shift_callback);
void reset_analog_timer();
int m_analog_read_ready; int m_analog_read_ready;
int m_analog_latched_value; UINT8 m_analog_latched_value;
UINT8 m_analog_select;
int m_analog_read_count; int m_analog_read_count;
}; };
@ -115,7 +122,17 @@ READ8_MEMBER(spyhuntertec_state::ay1_porta_r)
return 0; return 0;
} }
void spyhuntertec_state::reset_analog_timer()
{
// 555 timer? complete guess
m_analog_timer->adjust(attotime::from_nsec(7600));
}
TIMER_DEVICE_CALLBACK_MEMBER(spyhuntertec_state::analog_shift_callback)
{
m_analog_read_count++;
reset_analog_timer();
}
WRITE8_MEMBER(spyhuntertec_state::ay2_porta_w) WRITE8_MEMBER(spyhuntertec_state::ay2_porta_w)
{ {
@ -125,24 +142,16 @@ WRITE8_MEMBER(spyhuntertec_state::ay2_porta_w)
// depending on which sound command was used // depending on which sound command was used
// assuming input select // assuming input select
if (data == 0x80) // d7 falling edge
if (~data & m_analog_select & 0x80)
{ {
m_analog_read_ready = 1; m_analog_read_ready = 1;
m_analog_read_count = 0; m_analog_read_count = 0;
m_analog_latched_value = ioport("PEDAL")->read(); reset_analog_timer();
} m_analog_latched_value = ioport((data & 1) ? "PADDLE" : "PEDAL")->read();
else if (data == 0x81)
{
m_analog_read_ready = 1;
m_analog_read_count = 0;
m_analog_latched_value = ioport("PADDLE")->read();
} }
m_analog_select = data;
} }
READ8_MEMBER(spyhuntertec_state::ay2_porta_r) READ8_MEMBER(spyhuntertec_state::ay2_porta_r)
@ -410,6 +419,7 @@ READ8_MEMBER(spyhuntertec_state::spyhuntertec_in2_r)
*/ */
// printf("%04x spyhuntertec_in2_r\n", space.device().safe_pc());
UINT8 ret = ioport("IN2")->read()&~0x40; UINT8 ret = ioport("IN2")->read()&~0x40;
@ -421,18 +431,12 @@ READ8_MEMBER(spyhuntertec_state::spyhuntertec_in2_r)
m_analog_read_count = 0; m_analog_read_count = 0;
m_analog_read_ready = 0; m_analog_read_ready = 0;
} }
else
{
// ret |= 0x40;
m_analog_read_count++;
}
} }
else else
{ {
ret |= 0x40; ret |= 0x40;
} }
// printf("%04x spyhuntertec_in2_r\n", space.device().safe_pc());
return ret; return ret;
} }
@ -617,7 +621,7 @@ static INPUT_PORTS_START( spyhuntertec )
PORT_START("PEDAL") PORT_START("PEDAL")
PORT_BIT( 0xff, 0x02, IPT_PEDAL ) PORT_MINMAX(0x02,0xff) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE PORT_BIT( 0xff, 0x02, IPT_PEDAL ) PORT_MINMAX(0x02,0xff) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE
PORT_START("PADDLE") PORT_START("PADDLE")
PORT_BIT( 0xff, 0x02, IPT_PADDLE ) PORT_MINMAX(0x02,0xff) PORT_SENSITIVITY(40) PORT_KEYDELTA(10) PORT_REVERSE PORT_BIT( 0x7f, 0x40, IPT_PADDLE ) PORT_MINMAX(0x30,0x50) PORT_SENSITIVITY(40) PORT_KEYDELTA(3) PORT_REVERSE
INPUT_PORTS_END INPUT_PORTS_END
@ -701,6 +705,7 @@ static MACHINE_CONFIG_START( spyhuntertec, spyhuntertec_state )
MCFG_CPU_PROGRAM_MAP(spyhuntertec_map) MCFG_CPU_PROGRAM_MAP(spyhuntertec_map)
MCFG_CPU_IO_MAP(spyhuntertec_portmap) MCFG_CPU_IO_MAP(spyhuntertec_portmap)
MCFG_CPU_VBLANK_INT_DRIVER("screen", spyhuntertec_state, irq0_line_hold) MCFG_CPU_VBLANK_INT_DRIVER("screen", spyhuntertec_state, irq0_line_hold)
MCFG_TIMER_DRIVER_ADD("analog_timer", spyhuntertec_state, analog_shift_callback)
/* video hardware */ /* video hardware */
MCFG_SCREEN_ADD("screen", RASTER) MCFG_SCREEN_ADD("screen", RASTER)