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author | 2013-10-22 15:44:27 +0000 | |
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committer | 2013-10-22 15:44:27 +0000 | |
commit | 0b91c21b366be4d0c1bcabdbe74e6b9d82a62271 (patch) | |
tree | 1804ed0b9de916825d5fc7e1387d33aac256f4c0 /src/emu/bus/vcs/ctrl.c | |
parent | 47c548e760b6c4447f7b15e7d403060d0051b994 (diff) |
(MESS) Moved a bunch of buses under emu/bus. (nw)
Diffstat (limited to 'src/emu/bus/vcs/ctrl.c')
-rw-r--r-- | src/emu/bus/vcs/ctrl.c | 114 |
1 files changed, 114 insertions, 0 deletions
diff --git a/src/emu/bus/vcs/ctrl.c b/src/emu/bus/vcs/ctrl.c new file mode 100644 index 00000000000..6effedc9512 --- /dev/null +++ b/src/emu/bus/vcs/ctrl.c @@ -0,0 +1,114 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder +/********************************************************************** + + Atari Video Computer System controller port emulation + + Copyright MESS Team. + Visit http://mamedev.org for licensing and usage restrictions. + +**********************************************************************/ + +#include "ctrl.h" + + + +//************************************************************************** +// GLOBAL VARIABLES +//************************************************************************** + +const device_type VCS_CONTROL_PORT = &device_creator<vcs_control_port_device>; + + + +//************************************************************************** +// CARD INTERFACE +//************************************************************************** + +//------------------------------------------------- +// device_vcs_control_port_interface - constructor +//------------------------------------------------- + +device_vcs_control_port_interface::device_vcs_control_port_interface(const machine_config &mconfig, device_t &device) + : device_slot_card_interface(mconfig,device) +{ + m_port = dynamic_cast<vcs_control_port_device *>(device.owner()); +} + + +//------------------------------------------------- +// ~device_vcs_control_port_interface - destructor +//------------------------------------------------- + +device_vcs_control_port_interface::~device_vcs_control_port_interface() +{ +} + + + +//************************************************************************** +// LIVE DEVICE +//************************************************************************** + +//------------------------------------------------- +// vcs_control_port_device - constructor +//------------------------------------------------- + +vcs_control_port_device::vcs_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock) : + device_t(mconfig, VCS_CONTROL_PORT, "Atari VCS control port", tag, owner, clock, "vcs_control_port", __FILE__), + device_slot_interface(mconfig, *this), + m_trigger_handler(*this) +{ +} + + +//------------------------------------------------- +// vcs_control_port_device - destructor +//------------------------------------------------- + +vcs_control_port_device::~vcs_control_port_device() +{ +} + + +//------------------------------------------------- +// device_start - device-specific startup +//------------------------------------------------- + +void vcs_control_port_device::device_start() +{ + m_device = dynamic_cast<device_vcs_control_port_interface *>(get_card_device()); + + m_trigger_handler.resolve_safe(); +} + + +UINT8 vcs_control_port_device::joy_r() { UINT8 data = 0xff; if (exists()) data = m_device->vcs_joy_r(); return data; } +READ8_MEMBER( vcs_control_port_device::joy_r ) { return joy_r(); } +UINT8 vcs_control_port_device::pot_x_r() { UINT8 data = 0xff; if (exists()) data = m_device->vcs_pot_x_r(); return data; } +READ8_MEMBER( vcs_control_port_device::pot_x_r ) { return pot_x_r(); } +UINT8 vcs_control_port_device::pot_y_r() { UINT8 data = 0xff; if (exists()) data = m_device->vcs_pot_y_r(); return data; } +READ8_MEMBER( vcs_control_port_device::pot_y_r ) { return pot_y_r(); } +void vcs_control_port_device::joy_w( UINT8 data ) { if ( exists() ) m_device->vcs_joy_w( data ); } +WRITE8_MEMBER( vcs_control_port_device::joy_w ) { joy_w(data); } +bool vcs_control_port_device::exists() { return m_device != NULL; } +bool vcs_control_port_device::has_pot_x() { return exists() && m_device->has_pot_x(); } +bool vcs_control_port_device::has_pot_y() { return exists() && m_device->has_pot_y(); } + +void vcs_control_port_device::trigger_w(int state) +{ + m_trigger_handler(state); +} + +//------------------------------------------------- +// SLOT_INTERFACE( vcs_control_port_devices ) +//------------------------------------------------- + +SLOT_INTERFACE_START( vcs_control_port_devices ) + SLOT_INTERFACE("joy", VCS_JOYSTICK) + SLOT_INTERFACE("pad", VCS_PADDLES) + SLOT_INTERFACE("lp", VCS_LIGHTPEN) + SLOT_INTERFACE("joybstr", VCS_JOYSTICK_BOOSTER) + SLOT_INTERFACE("wheel", VCS_WHEEL) + SLOT_INTERFACE("keypad", VCS_KEYPAD) +SLOT_INTERFACE_END |