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Diffstat (limited to 'src/devices/bus/spectrum/intf2.h')
-rw-r--r-- | src/devices/bus/spectrum/intf2.h | 56 |
1 files changed, 56 insertions, 0 deletions
diff --git a/src/devices/bus/spectrum/intf2.h b/src/devices/bus/spectrum/intf2.h new file mode 100644 index 00000000000..54316ef88c5 --- /dev/null +++ b/src/devices/bus/spectrum/intf2.h @@ -0,0 +1,56 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/********************************************************************** + + ZX Interface 2 + +**********************************************************************/ + + +#ifndef MAME_BUS_SPECTRUM_INTF2_H +#define MAME_BUS_SPECTRUM_INTF2_H + +#include "exp.h" +#include "softlist.h" +#include "bus/generic/slot.h" +#include "bus/generic/carts.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class spectrum_intf2_device: + public device_t, + public device_spectrum_expansion_interface +{ +public: + // construction/destruction + spectrum_intf2_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + +protected: + virtual void device_start() override; + virtual void device_reset() override; + + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override; + virtual ioport_constructor device_input_ports() const override; + + virtual DECLARE_READ_LINE_MEMBER(romcs) override; + virtual DECLARE_READ8_MEMBER(mreq_r) override; + virtual DECLARE_READ8_MEMBER(port_fe_r) override; + +private: + image_init_result load_cart(device_image_interface &image, generic_slot_device *slot); + DECLARE_DEVICE_IMAGE_LOAD_MEMBER(spectrum_cart); + + required_device<generic_slot_device> m_cart; + required_ioport m_exp_line3; + required_ioport m_exp_line4; +}; + + +// device type definition +DECLARE_DEVICE_TYPE(SPECTRUM_INTF2, spectrum_intf2_device) + + +#endif /* MAME_BUS_SPECTRUM_INTF2_H */ |