diff options
author | 2013-05-14 21:39:57 +0000 | |
---|---|---|
committer | 2013-05-14 21:39:57 +0000 | |
commit | d1ef4803722799d1bd4e32bf85a912e1eddd5a1a (patch) | |
tree | 202d8b62037aaf68d062acec5daf5c1dcac7c6fc /src/mess/machine | |
parent | 335de9f804f6665d2ffbc20fa6d2bb4a14b8bdee (diff) |
(mess) pc_joy_sw: add MS Sidewinder pad [Carl]
Diffstat (limited to 'src/mess/machine')
-rw-r--r-- | src/mess/machine/pc_joy.c | 2 | ||||
-rw-r--r-- | src/mess/machine/pc_joy_sw.c | 177 | ||||
-rw-r--r-- | src/mess/machine/pc_joy_sw.h | 36 |
3 files changed, 215 insertions, 0 deletions
diff --git a/src/mess/machine/pc_joy.c b/src/mess/machine/pc_joy.c index b65593d3f39..665bd68d42b 100644 --- a/src/mess/machine/pc_joy.c +++ b/src/mess/machine/pc_joy.c @@ -7,6 +7,7 @@ *************************************************************************/ #include "pc_joy.h" +#include "pc_joy_sw.h" const device_type PC_JOY = &device_creator<pc_joy_device>; @@ -86,4 +87,5 @@ pc_basic_joy_device::pc_basic_joy_device(const machine_config &mconfig, const ch SLOT_INTERFACE_START(pc_joysticks) SLOT_INTERFACE("basic_joy", PC_BASIC_JOY) + SLOT_INTERFACE("mssw_pad", PC_MSSW_PAD) SLOT_INTERFACE_END diff --git a/src/mess/machine/pc_joy_sw.c b/src/mess/machine/pc_joy_sw.c new file mode 100644 index 00000000000..256834f3bdf --- /dev/null +++ b/src/mess/machine/pc_joy_sw.c @@ -0,0 +1,177 @@ +//TODO: determine when to switch modes and add single bit mode + +#include "machine/pc_joy_sw.h" + +const device_type PC_MSSW_PAD = &device_creator<pc_mssw_pad_device>; + +pc_mssw_pad_device::pc_mssw_pad_device(const machine_config& mconfig, const char* tag, device_t* owner, UINT32 clock) : + device_t(mconfig, PC_MSSW_PAD, "Microsoft Sidewinder Pad", tag, owner, clock, "mssw_pad", __FILE__), + device_pc_joy_interface(mconfig, *this), + m_btn1(*this, "btn1"), + m_btn2(*this, "btn2"), + m_btn3(*this, "btn3"), + m_btn4(*this, "btn4"), + m_conf(*this, "CONFIG") +{ +} + +void pc_mssw_pad_device::device_start() +{ + m_timer = timer_alloc(); +} + +void pc_mssw_pad_device::device_reset() +{ + m_count = 0; + m_state = 0xf; + m_active = false; + m_timer->adjust(attotime::never, 0); +} + +void pc_mssw_pad_device::device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr) +{ + UINT16 pad_state = 0; + // only multibit mode for now + if(m_count == -1) + { + reset(); + return; + } + + if((m_count / 5) > m_conf->read()) + { + m_timer->adjust(attotime::from_usec(50), 0); + m_state &= ~1; + m_count = -1; + return; + } + + if(m_state & 1) + { + m_state &= ~1; + return; + } + + switch(m_count / 5) + { + case 0: + pad_state = m_btn1->read(); + break; + case 1: + pad_state = m_btn2->read(); + break; + case 2: + pad_state = m_btn3->read(); + break; + case 3: + pad_state = m_btn4->read(); + break; + } + + switch(m_count % 5) + { + case 0: + m_state = ((pad_state & 7) << 1) | 1; + break; + case 1: + m_state = ((pad_state & 0x38) >> 2) | 1; + break; + case 2: + m_state = ((pad_state & 0x1c0) >> 5) | 1; + break; + case 3: + m_state = ((pad_state & 0xe00) >> 8) | 1; + break; + case 4: + { + UINT8 parity = (pad_state >> 8) ^ pad_state; + parity = (parity >> 4) ^ parity; + parity = (parity >> 2) ^ parity; + parity = (((parity >> 1) ^ parity) & 1); + + m_state = ((pad_state & 0x3000) >> 11) | (parity << 3) | 1; + break; + } + } + m_count++; +} + +static INPUT_PORTS_START( sidewinder_pad ) + PORT_START("btn1") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X") + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y") + PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z") + PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L") + PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R") + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start") + PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M") + PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_START("btn2") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(2) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(2) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(2) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(2) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_PLAYER(2) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_PLAYER(2) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_PLAYER(2) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X") PORT_PLAYER(2) + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y") PORT_PLAYER(2) + PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z") PORT_PLAYER(2) + PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L") PORT_PLAYER(2) + PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R") PORT_PLAYER(2) + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start") PORT_PLAYER(2) + PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M") PORT_PLAYER(2) + PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_START("btn3") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(3) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(3) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(3) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(3) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_PLAYER(3) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_PLAYER(3) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_PLAYER(3) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X") PORT_PLAYER(3) + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y") PORT_PLAYER(3) + PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z") PORT_PLAYER(3) + PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L") PORT_PLAYER(3) + PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R") PORT_PLAYER(3) + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start") PORT_PLAYER(3) + PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M") PORT_PLAYER(3) + PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_START("btn4") + PORT_BIT( 0x0001, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_PLAYER(4) + PORT_BIT( 0x0002, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_PLAYER(4) + PORT_BIT( 0x0004, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_PLAYER(4) + PORT_BIT( 0x0008, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_PLAYER(4) + PORT_BIT( 0x0010, IP_ACTIVE_LOW, IPT_BUTTON1 ) PORT_NAME("A") PORT_PLAYER(4) + PORT_BIT( 0x0020, IP_ACTIVE_LOW, IPT_BUTTON2 ) PORT_NAME("B") PORT_PLAYER(4) + PORT_BIT( 0x0040, IP_ACTIVE_LOW, IPT_BUTTON3 ) PORT_NAME("C") PORT_PLAYER(4) + PORT_BIT( 0x0080, IP_ACTIVE_LOW, IPT_BUTTON4 ) PORT_NAME("X") PORT_PLAYER(4) + PORT_BIT( 0x0100, IP_ACTIVE_LOW, IPT_BUTTON5 ) PORT_NAME("Y") PORT_PLAYER(4) + PORT_BIT( 0x0200, IP_ACTIVE_LOW, IPT_BUTTON6 ) PORT_NAME("Z") PORT_PLAYER(4) + PORT_BIT( 0x0400, IP_ACTIVE_LOW, IPT_BUTTON7 ) PORT_NAME("L") PORT_PLAYER(4) + PORT_BIT( 0x0800, IP_ACTIVE_LOW, IPT_BUTTON8 ) PORT_NAME("R") PORT_PLAYER(4) + PORT_BIT( 0x1000, IP_ACTIVE_LOW, IPT_BUTTON9 ) PORT_NAME("Start") PORT_PLAYER(4) + PORT_BIT( 0x2000, IP_ACTIVE_LOW, IPT_BUTTON10 ) PORT_NAME("M") PORT_PLAYER(4) + PORT_BIT( 0xc000, IP_ACTIVE_LOW, IPT_UNUSED ) + PORT_START("CONFIG") + PORT_CONFNAME(0x03, 0x00, "Number of Sidewinder Pads") + PORT_CONFSETTING( 0x00, "1") + PORT_CONFSETTING( 0x01, "2") + PORT_CONFSETTING( 0x02, "3") + PORT_CONFSETTING( 0x03, "4") +INPUT_PORTS_END + +ioport_constructor pc_mssw_pad_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( sidewinder_pad ); +} + + diff --git a/src/mess/machine/pc_joy_sw.h b/src/mess/machine/pc_joy_sw.h new file mode 100644 index 00000000000..041ab8ad3dc --- /dev/null +++ b/src/mess/machine/pc_joy_sw.h @@ -0,0 +1,36 @@ +#ifndef PC_JOY_SW_H_ +#define PC_JOY_SW_H_ + +#include "machine/pc_joy.h" + +class pc_mssw_pad_device : public device_t, + public device_pc_joy_interface +{ +public: + pc_mssw_pad_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + virtual ioport_constructor device_input_ports() const; + + virtual UINT8 btn() { return m_state; } + // timing is guessed, calibrated for at486 + virtual void port_write() { if(!m_active) { m_timer->adjust(attotime::from_usec(50), 0, attotime::from_usec(5)); m_active = true; } } + +protected: + virtual void device_start(); + virtual void device_timer(emu_timer &timer, device_timer_id tid, int param, void *ptr); + virtual void device_reset(); + +private: + required_ioport m_btn1; + required_ioport m_btn2; + required_ioport m_btn3; + required_ioport m_btn4; + required_ioport m_conf; + emu_timer *m_timer; + int m_count; + UINT8 m_state; + bool m_active; +}; + +extern const device_type PC_MSSW_PAD; + +#endif /* PC_JOY_SW_H_ */ |