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Diffstat (limited to 'src/emu/bus/spc1000/fdd.h')
-rw-r--r-- | src/emu/bus/spc1000/fdd.h | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/src/emu/bus/spc1000/fdd.h b/src/emu/bus/spc1000/fdd.h new file mode 100644 index 00000000000..b06dc8fa971 --- /dev/null +++ b/src/emu/bus/spc1000/fdd.h @@ -0,0 +1,63 @@ +#ifndef __SPC1000_FDD_H__ +#define __SPC1000_FDD_H__ + +#include "exp.h" +#include "cpu/z80/z80.h" +#include "machine/i8255.h" +#include "machine/upd765.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +// ======================> spc1000_fdd_exp_device + +class spc1000_fdd_exp_device : public device_t, + public device_spc1000_card_interface +{ +public: + // construction/destruction + spc1000_fdd_exp_device(const machine_config &mconfig, const char *tag, device_t *owner, UINT32 clock); + + // optional information overrides + virtual machine_config_constructor device_mconfig_additions() const; + virtual const rom_entry *device_rom_region() const; + +public: + // device-level overrides + virtual void device_start(); + virtual void device_reset(); + + virtual DECLARE_READ8_MEMBER(read); + virtual DECLARE_WRITE8_MEMBER(write); + + DECLARE_READ8_MEMBER(tc_r); + DECLARE_WRITE8_MEMBER(control_w); + DECLARE_WRITE8_MEMBER(i8255_b_w); + DECLARE_READ8_MEMBER(i8255_c_r); + DECLARE_WRITE8_MEMBER(i8255_c_w); + +private: + // internal state + required_device<z80_device> m_cpu; + required_device<upd765a_device> m_fdc; + required_device<i8255_device> m_pio; + + floppy_image_device *m_fd0; + floppy_image_device *m_fd1; + + emu_timer *m_timer_tc; + + UINT8 m_i8255_0_pc; + UINT8 m_i8255_1_pc; + UINT8 m_i8255_portb; + + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr); + static const device_timer_id TIMER_TC = 0; +}; + + +// device type definition +extern const device_type SPC1000_FDD_EXP; + +#endif /* __SPC1000_FDD_H__ */ |