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Diffstat (limited to 'src/mess/machine/a2softcard.h')
-rw-r--r-- | src/mess/machine/a2softcard.h | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/src/mess/machine/a2softcard.h b/src/mess/machine/a2softcard.h new file mode 100644 index 00000000000..73dd189fa67 --- /dev/null +++ b/src/mess/machine/a2softcard.h @@ -0,0 +1,54 @@ +/********************************************************************* + + a2softcard.h + + Implementation of the Microsoft SoftCard Z-80 card + +*********************************************************************/ + +#ifndef __A2BUS_SOFTCARD__ +#define __A2BUS_SOFTCARD__ + +#include "emu.h" +#include "machine/a2bus.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2bus_softcard_device: + public device_t, + public device_a2bus_card_interface +{ +public: + // construction/destruction + a2bus_softcard_device(const machine_config &mconfig, device_type type, const char *name, const char *tag, device_t *owner, UINT32 clock); + a2bus_softcard_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 void write_cnxx(address_space &space, UINT8 offset, UINT8 data); + virtual bool take_c800(); + + required_device<cpu_device> m_z80; + +private: + bool m_bEnabled; + bool m_FirstZ80Boot; + address_space *m_6502space; +}; + +// device type definition +extern const device_type A2BUS_SOFTCARD; + +#endif /* __A2BUS_SOFTCARD__ */ + |