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Diffstat (limited to 'src/devices/bus/spectrum/speccydos.h')
-rw-r--r-- | src/devices/bus/spectrum/speccydos.h | 64 |
1 files changed, 64 insertions, 0 deletions
diff --git a/src/devices/bus/spectrum/speccydos.h b/src/devices/bus/spectrum/speccydos.h new file mode 100644 index 00000000000..b26c1a6445c --- /dev/null +++ b/src/devices/bus/spectrum/speccydos.h @@ -0,0 +1,64 @@ +// license:BSD-3-Clause +// copyright-holders:MetalliC +/********************************************************************* + + Speccy DOS Interface + +*********************************************************************/ +#ifndef MAME_BUS_SPECTRUM_SPECCYDOS_H +#define MAME_BUS_SPECTRUM_SPECCYDOS_H + +#include "exp.h" +#include "softlist.h" +#include "imagedev/floppy.h" +#include "machine/wd_fdc.h" +#include "formats/sdd_dsk.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class spectrum_speccydos_device : + public device_t, + public device_spectrum_expansion_interface + +{ +public: + // construction/destruction + spectrum_speccydos_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + DECLARE_FLOPPY_FORMATS(floppy_formats); + DECLARE_INPUT_CHANGED_MEMBER(magic_button) { m_slot->nmi_w(newval ? ASSERT_LINE : CLEAR_LINE); }; + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + // optional information overrides + virtual ioport_constructor device_input_ports() const override; + + virtual void device_add_mconfig(machine_config &config) override; + virtual const tiny_rom_entry *device_rom_region() const override; + + virtual void pre_opcode_fetch(offs_t offset) override; + virtual uint8_t mreq_r(offs_t offset) override; + virtual void mreq_w(offs_t offset, uint8_t data) override; + virtual DECLARE_READ_LINE_MEMBER(romcs) override; + + required_memory_region m_rom; + required_device<wd_fdc_device_base> m_fdc; + required_device_array<floppy_connector, 4> m_floppy; + required_device<spectrum_expansion_slot_device> m_exp; + + int m_romcs; + u8 m_control; + u8 m_ram[0x400]; +}; + + +// device type definition +DECLARE_DEVICE_TYPE(SPECTRUM_SPECCYDOS, spectrum_speccydos_device) + + +#endif // MAME_BUS_SPECTRUM_SPECCYDOS_H |