diff options
Diffstat (limited to 'src/devices/bus/vcs_ctrl/cx85.h')
-rw-r--r-- | src/devices/bus/vcs_ctrl/cx85.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/devices/bus/vcs_ctrl/cx85.h b/src/devices/bus/vcs_ctrl/cx85.h new file mode 100644 index 00000000000..6fb0bf0a316 --- /dev/null +++ b/src/devices/bus/vcs_ctrl/cx85.h @@ -0,0 +1,54 @@ +// license:BSD-3-Clause +// copyright-holders:AJR +/********************************************************************** + + Atari CX85 Numeric Keypad + +**********************************************************************/ + +#ifndef MAME_BUS_VCS_CTRL_CX85_H +#define MAME_BUS_VCS_CTRL_CX85_H + +#pragma once + +#include "ctrl.h" +#include "machine/mm74c922.h" + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> atari_cx85_device + +class atari_cx85_device : public device_t, + public device_vcs_control_port_interface +{ +public: + // construction/destruction + atari_cx85_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock); + +protected: + // device-level overrides + virtual void device_start() override ATTR_COLD; + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + + // optional information overrides + virtual ioport_constructor device_input_ports() const override ATTR_COLD; + + // device_vcs_control_port_interface overrides + virtual u8 vcs_joy_r() override; + virtual u8 vcs_pot_x_r() override; + + virtual bool has_pot_x() override { return true; } + virtual bool has_pot_y() override { return false; } // pin 9 not used + +private: + required_device<mm74c923_device> m_encoder; +}; + + +// device type declaration +DECLARE_DEVICE_TYPE(ATARI_CX85, atari_cx85_device) + +#endif // MAME_BUS_VCS_CTRL_CX85_H |