diff options
Diffstat (limited to 'src/mess/machine/x68k_neptunex.h')
-rw-r--r-- | src/mess/machine/x68k_neptunex.h | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/src/mess/machine/x68k_neptunex.h b/src/mess/machine/x68k_neptunex.h new file mode 100644 index 00000000000..3bfba21a2c2 --- /dev/null +++ b/src/mess/machine/x68k_neptunex.h @@ -0,0 +1,53 @@ +/* + * x68k_neptunex.h + * + * Neptune-X NE2000-based ethernet board for the X68000 + * + * Map: + * 0xECE000-0xECE3FF: "Y0" + * 0xECE400-0xECE7FF: "Y1" + */ + +#ifndef X68K_NEPTUNEX_H_ +#define X68K_NEPTUNEX_H_ + +#include "emu.h" +#include "machine/dp8390.h" +#include "machine/x68kexp.h" + +#define NEPTUNE_IRQ_VECTOR 0xf9 + +class x68k_neptune_device : public device_t, + public device_x68k_expansion_card_interface +{ +public: + // construction/destruction + x68k_neptune_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + + void x68k_neptune_irq_w(int state); + DECLARE_READ8_MEMBER(x68k_neptune_mem_read); + DECLARE_WRITE8_MEMBER(x68k_neptune_mem_write); + DECLARE_READ16_MEMBER(x68k_neptune_port_r); + DECLARE_WRITE16_MEMBER(x68k_neptune_port_w); + +protected: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + virtual void device_config_complete() { m_shortname = "x68k_neptunex"; } + +private: + x68k_expansion_slot_device *m_slot; + + required_device<dp8390d_device> m_dp8390; + UINT8 m_board_ram[16*1024]; + UINT8 m_prom[16]; +}; + +// device type definition +extern const device_type X68K_NEPTUNEX; + +#endif /* X68K_NEPTUNEX_H_ */ |