diff options
Diffstat (limited to 'src/devices/bus/thomson/cd90_015.h')
-rw-r--r-- | src/devices/bus/thomson/cd90_015.h | 48 |
1 files changed, 48 insertions, 0 deletions
diff --git a/src/devices/bus/thomson/cd90_015.h b/src/devices/bus/thomson/cd90_015.h new file mode 100644 index 00000000000..7d2c963f7f6 --- /dev/null +++ b/src/devices/bus/thomson/cd90_015.h @@ -0,0 +1,48 @@ +// license:BSD-3-Clause +// copyright-holders:Olivier Galibert + +// CD 90-015 - Floppy drive controller built from a hd 46503s aka hd6843 aka mc6843 +// +// Handles up to four 5.25 single-sided drives (DD 90-015) + +#ifndef MAME_BUS_THOMSON_CD90_015_H +#define MAME_BUS_THOMSON_CD90_015_H + +#include "extension.h" +#include "imagedev/floppy.h" +#include "machine/mc6843.h" + +class cd90_015_device : public device_t, public thomson_extension_interface +{ +public: + cd90_015_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock = 0); + virtual ~cd90_015_device() = default; + + virtual void rom_map(address_map &map) override; + virtual void io_map(address_map &map) override; + +protected: + virtual const tiny_rom_entry *device_rom_region() const override; + virtual void device_add_mconfig(machine_config &config) override; + virtual void device_start() override; + virtual void device_reset() override; + virtual void device_timer(emu_timer &timer, device_timer_id id, int param, void *ptr) override; + +private: + required_device<mc6843_device> m_fdc; + required_device_array<floppy_connector, 4> m_floppy; + required_memory_region m_rom; + + emu_timer *m_motor_timer[4]; + u8 m_select; + + void select_w(u8 data); + u8 motor_r(); + + static void floppy_formats(format_registration &fr); + static void floppy_drives(device_slot_interface &device); +}; + +DECLARE_DEVICE_TYPE(CD90_015, cd90_015_device) + +#endif |