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author | 2015-10-20 21:34:36 +0200 | |
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committer | 2015-10-20 21:34:36 +0200 | |
commit | a7b8acbe3eebcf17367baa642375cfa47ae4ea85 (patch) | |
tree | 854b859d6176802c0278f4b00de3f7c774e02dda /src/devices/bus/vcs_ctrl/joystick.c | |
parent | 4610935e796661874bb4ee7ec6536d9423aeb7be (diff) | |
parent | 74aae76c4e3e257f99d139c4febb5d86d1419e50 (diff) |
Merge pull request #6 from mamedev/master
Sync to base master
Diffstat (limited to 'src/devices/bus/vcs_ctrl/joystick.c')
-rw-r--r-- | src/devices/bus/vcs_ctrl/joystick.c | 74 |
1 files changed, 74 insertions, 0 deletions
diff --git a/src/devices/bus/vcs_ctrl/joystick.c b/src/devices/bus/vcs_ctrl/joystick.c new file mode 100644 index 00000000000..f1539eabeef --- /dev/null +++ b/src/devices/bus/vcs_ctrl/joystick.c @@ -0,0 +1,74 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Atari Video Computer System digital joystick emulation + +**********************************************************************/ + +#include "joystick.h" + + + +//************************************************************************** +// DEVICE DEFINITIONS +//************************************************************************** + +const device_type VCS_JOYSTICK = &device_creator<vcs_joystick_device>; + + +static INPUT_PORTS_START( vcs_joystick ) + PORT_START("JOY") + PORT_BIT( 0x01, IP_ACTIVE_LOW, IPT_JOYSTICK_UP ) PORT_8WAY + PORT_BIT( 0x02, IP_ACTIVE_LOW, IPT_JOYSTICK_DOWN ) PORT_8WAY + PORT_BIT( 0x04, IP_ACTIVE_LOW, IPT_JOYSTICK_LEFT ) PORT_8WAY + PORT_BIT( 0x08, IP_ACTIVE_LOW, IPT_JOYSTICK_RIGHT ) PORT_8WAY + PORT_BIT( 0x20, IP_ACTIVE_LOW, IPT_BUTTON1 ) + PORT_BIT( 0xd0, IP_ACTIVE_LOW, IPT_UNUSED ) +INPUT_PORTS_END + + +//------------------------------------------------- +// input_ports - device-specific input ports +//------------------------------------------------- + +ioport_constructor vcs_joystick_device::device_input_ports() const +{ + return INPUT_PORTS_NAME( vcs_joystick ); +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// vcs_joystick_device - constructor +//------------------------------------------------- + +vcs_joystick_device::vcs_joystick_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, VCS_JOYSTICK, "Atari / CBM Digital joystick", tag, owner, clock, "vcs_joystick", __FILE__), + device_vcs_control_port_interface(mconfig, *this), + m_joy(*this, "JOY") +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void vcs_joystick_device::device_start() +{ +} + + +//------------------------------------------------- +// vcs_joy_r - joystick read +//------------------------------------------------- + +UINT8 vcs_joystick_device::vcs_joy_r() +{ + return m_joy->read(); +} |