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Diffstat (limited to 'src/devices/bus/a2bus/a2themill.h')
-rw-r--r-- | src/devices/bus/a2bus/a2themill.h | 57 |
1 files changed, 57 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2themill.h b/src/devices/bus/a2bus/a2themill.h new file mode 100644 index 00000000000..72ea1b47953 --- /dev/null +++ b/src/devices/bus/a2bus/a2themill.h @@ -0,0 +1,57 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/********************************************************************* + + a2themill.h + + Implementation of the Stellation Two The Mill 6809 card + +*********************************************************************/ + +#ifndef __A2BUS_THEMILL__ +#define __A2BUS_THEMILL__ + +#include "emu.h" +#include "a2bus.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2bus_themill_device: + public device_t, + public device_a2bus_card_interface +{ +public: + // construction/destruction + a2bus_themill_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock, const char *shortname, const char *source); + a2bus_themill_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + + DECLARE_READ8_MEMBER( dma_r ); + DECLARE_WRITE8_MEMBER( dma_w ); + +protected: + virtual void device_start(); + virtual void device_reset(); + + // overrides of standard a2bus slot functions + virtual UINT8 read_c0nx(address_space &space, UINT8 offset); + virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data); + virtual bool take_c800(); + + required_device<cpu_device> m_6809; + +private: + bool m_bEnabled; + bool m_flipAddrSpace; + bool m_6809Mode; + UINT8 m_status; +}; + +// device type definition +extern const device_type A2BUS_THEMILL; + +#endif /* __A2BUS_THEMILL__ */ |