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Diffstat (limited to 'src/devices/bus/tanbus/tandos.h')
-rw-r--r-- | src/devices/bus/tanbus/tandos.h | 72 |
1 files changed, 72 insertions, 0 deletions
diff --git a/src/devices/bus/tanbus/tandos.h b/src/devices/bus/tanbus/tandos.h new file mode 100644 index 00000000000..f47cb585ec7 --- /dev/null +++ b/src/devices/bus/tanbus/tandos.h @@ -0,0 +1,72 @@ +// license:BSD-3-Clause +// copyright-holders:Nigel Barnes +/********************************************************************** + + Tangerine TANDOS (MT0078) + +**********************************************************************/ + + +#ifndef MAME_BUS_TANBUS_TANDOS_H +#define MAME_BUS_TANBUS_TANDOS_H + +#pragma once + +#include "bus/tanbus/tanbus.h" +#include "imagedev/floppy.h" +#include "machine/wd_fdc.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + +class tanbus_tandos_device : + public device_t, + public device_tanbus_interface +{ +public: + static constexpr feature_type imperfect_features() { return feature::DISK; } + + // construction/destruction + tanbus_tandos_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + DECLARE_FLOPPY_FORMATS(floppy_formats); + +protected: + // device-level overrides + virtual void device_start() override; + virtual void device_reset() override; + + // optional information overrides + virtual void device_add_mconfig(machine_config &config) override; + virtual const tiny_rom_entry *device_rom_region() const override; + + virtual uint8_t read(offs_t offset, int inhrom, int inhram, int be) override; + virtual void write(offs_t offset, uint8_t data, int inhrom, int inhram, int be) override; + virtual void set_inhibit_lines(offs_t offset, int &inhram, int &inhrom) override; + +private: + void control_w(uint8_t val); + uint8_t status_r(); + DECLARE_WRITE_LINE_MEMBER(fdc_irq_w); + DECLARE_WRITE_LINE_MEMBER(fdc_drq_w); + DECLARE_WRITE_LINE_MEMBER(fdc_hld_w); + + required_memory_region m_dos_rom; + required_device<fd1793_device> m_fdc; + required_device_array<floppy_connector, 4> m_floppies; + floppy_image_device *m_floppy; + + uint8_t m_drive_control; + int m_irq_enable; + int m_drq_enable; + + std::unique_ptr<uint8_t[]> m_ram; +}; + + +// device type definition +DECLARE_DEVICE_TYPE(TANBUS_TANDOS, tanbus_tandos_device) + + +#endif // MAME_BUS_TANBUS_TANDOS_H |