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Diffstat (limited to 'src/devices/bus/spectrum/logitek.h')
-rw-r--r-- | src/devices/bus/spectrum/logitek.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/devices/bus/spectrum/logitek.h b/src/devices/bus/spectrum/logitek.h new file mode 100644 index 00000000000..71ab217f821 --- /dev/null +++ b/src/devices/bus/spectrum/logitek.h @@ -0,0 +1,73 @@ +// license:BSD-3-Clause +// copyright-holders:MetalliC +/********************************************************************* + + Proceed 1 Interface + (c) 1984 Logitek + +*********************************************************************/ +#ifndef MAME_BUS_SPECTRUM_LOGITEK_H +#define MAME_BUS_SPECTRUM_LOGITEK_H + +#include "exp.h" +#include "softlist.h" +#include "machine/z80pio.h" +#include "bus/cbmiec/cbmiec.h" +#include "bus/centronics/ctronics.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class spectrum_proceed_device : + public device_t, + public device_spectrum_expansion_interface + +{ +public: + // construction/destruction + spectrum_proceed_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + static constexpr feature_type unemulated_features() { return feature::DISK; } + + DECLARE_INPUT_CHANGED_MEMBER(nmi_button) { m_slot->nmi_w(newval ? ASSERT_LINE : CLEAR_LINE); } + +protected: + // device-level overrides + virtual void device_start() override ATTR_COLD; + virtual void device_reset() override ATTR_COLD; + + // optional information overrides + virtual ioport_constructor device_input_ports() const override ATTR_COLD; + + virtual void device_add_mconfig(machine_config &config) override ATTR_COLD; + virtual const tiny_rom_entry *device_rom_region() const override ATTR_COLD; + + void fetch(offs_t offset); + + virtual void pre_opcode_fetch(offs_t offset) override { fetch(offset); } + virtual void pre_data_fetch(offs_t offset) override { fetch(offset); } + virtual uint8_t mreq_r(offs_t offset) override; + virtual uint8_t iorq_r(offs_t offset) override; + virtual void iorq_w(offs_t offset, uint8_t data) override; + virtual bool romcs() override; + + required_memory_region m_rom; + required_device<z80pio_device> m_z80pio; + required_device<cbm_iec_device> m_iec; + required_device<centronics_device> m_centronics; + + void pioa_w(uint8_t data); + void piob_w(uint8_t data); + uint8_t piob_r(); + + bool m_romcs; + int m_romen; +}; + + +// device type definition +DECLARE_DEVICE_TYPE(SPECTRUM_PROCEED, spectrum_proceed_device) + + +#endif // MAME_BUS_SPECTRUM_LOGITEK_H |