diff options
Diffstat (limited to 'src/devices/bus/centronics/dsjoy.c')
-rw-r--r-- | src/devices/bus/centronics/dsjoy.c | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/devices/bus/centronics/dsjoy.c b/src/devices/bus/centronics/dsjoy.c new file mode 100644 index 00000000000..de9b1138ec8 --- /dev/null +++ b/src/devices/bus/centronics/dsjoy.c @@ -0,0 +1,48 @@ +// license:BSD-3-Clause +// copyright-holders:smf + +#include "dsjoy.h" + +const device_type DEMPA_SHINBUNSHA_JOYSTICK = &device_creator<dempa_shinbunsha_joystick_device>; + +dempa_shinbunsha_joystick_device::dempa_shinbunsha_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, DEMPA_SHINBUNSHA_JOYSTICK, "Dempa Shinbunsha Joystick", tag, owner, clock, "dempa_shinbunsha_joystick", __FILE__), + device_centronics_peripheral_interface( mconfig, *this ), + m_lptjoy(*this, "lptjoy"), + m_data(0xff), + m_perror(1) +{ +} + +void dempa_shinbunsha_joystick_device::device_start() +{ + save_item(NAME(m_data)); + save_item(NAME(m_perror)); +} + +void dempa_shinbunsha_joystick_device::update_perror() +{ + int perror = (~m_data & ~m_lptjoy->read() & 0x3f) == 0; + + if (m_perror != perror) + { + m_perror = perror; + + output_perror(perror); + } +} + +static INPUT_PORTS_START( dempa_shinbunsha_joystick ) + PORT_START("lptjoy") + PORT_BIT(0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT) PORT_NAME("LPT Joystick Right") PORT_8WAY PORT_PLAYER(1) + PORT_BIT(0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT) PORT_NAME("LPT Joystick Left") PORT_8WAY PORT_PLAYER(1) + PORT_BIT(0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_UP) PORT_NAME("LPT Joystick Up") PORT_8WAY PORT_PLAYER(1) + PORT_BIT(0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN) PORT_NAME("LPT Joystick Down") PORT_8WAY PORT_PLAYER(1) + PORT_BIT(0x10, IP_ACTIVE_LOW, IPT_BUTTON2) PORT_NAME("LPT Joystick Button 2") PORT_PLAYER(1) + PORT_BIT(0x20, IP_ACTIVE_LOW, IPT_BUTTON1) PORT_NAME("LPT Joystick Button 1") PORT_PLAYER(1) +INPUT_PORTS_END + +ioport_constructor dempa_shinbunsha_joystick_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( dempa_shinbunsha_joystick ); +} |