diff options
Diffstat (limited to 'src/devices/bus/a2bus/a2ssc.h')
-rw-r--r-- | src/devices/bus/a2bus/a2ssc.h | 58 |
1 files changed, 58 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2ssc.h b/src/devices/bus/a2bus/a2ssc.h new file mode 100644 index 00000000000..8a19b0f49d2 --- /dev/null +++ b/src/devices/bus/a2bus/a2ssc.h @@ -0,0 +1,58 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont +/********************************************************************* + + a2ssc.h + + Apple II Super Serial Card + +*********************************************************************/ + +#ifndef __A2BUS_SSC__ +#define __A2BUS_SSC__ + +#include "a2bus.h" +#include "machine/mos6551.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class a2bus_ssc_device: + public device_t, + public device_a2bus_card_interface +{ +public: + // construction/destruction + a2bus_ssc_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + a2bus_ssc_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); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + virtual const rom_entry *device_rom_region() const; + virtual ioport_constructor device_input_ports() const; + + required_ioport m_dsw1, m_dsw2; + + DECLARE_WRITE_LINE_MEMBER( acia_irq_w ); + +protected: + virtual void device_start(); + virtual void device_reset(); + + virtual UINT8 read_c0nx(address_space &space, UINT8 offset); + virtual void write_c0nx(address_space &space, UINT8 offset, UINT8 data); + virtual UINT8 read_cnxx(address_space &space, UINT8 offset); + virtual UINT8 read_c800(address_space &space, UINT16 offset); + + required_device<mos6551_device> m_acia; + +private: + UINT8 *m_rom; + bool m_started; +}; + +// device type definition +extern const device_type A2BUS_SSC; + +#endif /* __A2BUS_SSC__ */ |