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Diffstat (limited to 'src/mame/machine/qimi.h')
-rw-r--r-- | src/mame/machine/qimi.h | 78 |
1 files changed, 78 insertions, 0 deletions
diff --git a/src/mame/machine/qimi.h b/src/mame/machine/qimi.h new file mode 100644 index 00000000000..bf513da9042 --- /dev/null +++ b/src/mame/machine/qimi.h @@ -0,0 +1,78 @@ +// license:BSD-3-Clause +// copyright-holders:Curt Coder, Phill Harvey-Smith +/********************************************************************** + + QJump/Quanta QL Internal Mouse Interface emulation + +**********************************************************************/ + +#pragma once + +#ifndef __QIMI__ +#define __QIMI__ + +#include "emu.h" + + + +//************************************************************************** +// INTERFACE CONFIGURATION MACROS +//************************************************************************** + +#define MCFG_QIMI_EXTINT_CALLBACK(_write) \ + devcb = &qimi_t::set_exting_wr_callback(*device, DEVCB_##_write); + + + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> qimi_t + +class qimi_t : public device_t +{ +public: + // construction/destruction + qimi_t(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + template<class _Object> static devcb_base &set_exting_wr_callback(device_t &device, _Object object) { return downcast<qimi_t &>(device).m_write_extint.set_callback(object); } + + // optional information overrides + virtual ioport_constructor device_input_ports() const; + + UINT8 read(address_space &space, offs_t offset, UINT8 data); + DECLARE_WRITE8_MEMBER( write ); + + DECLARE_INPUT_CHANGED_MEMBER( mouse_x_changed ); + DECLARE_INPUT_CHANGED_MEMBER( mouse_y_changed ); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + +private: + enum + { + ST_Y_DIR = 0x01, + ST_X_INT = 0x04, + ST_X_DIR = 0x10, + ST_Y_INT = 0x20 + }; + + devcb_write_line m_write_extint; + + required_ioport m_buttons; + + UINT8 m_status; + bool m_extint_en; +}; + + +// device type definition +extern const device_type QIMI; + + + +#endif |