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Diffstat (limited to 'src/devices/bus/a2bus/a2iwm.h')
-rw-r--r-- | src/devices/bus/a2bus/a2iwm.h | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2iwm.h b/src/devices/bus/a2bus/a2iwm.h new file mode 100644 index 00000000000..1ffd1b8160b --- /dev/null +++ b/src/devices/bus/a2bus/a2iwm.h @@ -0,0 +1,73 @@ +// license:BSD-3-Clause +// copyright-holders:R. Belmont, O. Galibert +/********************************************************************* + + a2iwm.h + + Apple II IWM Controller Card, new floppy + +*********************************************************************/ + +#ifndef MAME_BUS_A2BUS_A2IWM_H +#define MAME_BUS_A2BUS_A2IWM_H + +#pragma once + +#include "a2bus.h" +#include "imagedev/floppy.h" +#include "machine/iwm.h" + +//************************************************************************** +// TYPE DEFINITIONS +//************************************************************************** + + +class a2bus_iwm_device: + public device_t, + public device_a2bus_card_interface +{ +protected: + // construction/destruction + a2bus_iwm_device(const machine_config &mconfig, device_type type, const char *tag, device_t *owner, uint32_t clock); + + virtual void device_start() override; + virtual void device_reset() override; + virtual void device_add_mconfig(machine_config &config) override; + + // overrides of standard a2bus slot functions + virtual uint8_t read_c0nx(u8 offset) override; + virtual void write_c0nx(u8 offset, u8 data) override; + + required_device<iwm_device> m_iwm; + required_device_array<floppy_connector, 2> m_floppy; + +private: + void devsel_w(u8 data); + void phases_w(u8 data); +}; + +class a2bus_iwm_int_device: public a2bus_iwm_device +{ +public: + a2bus_iwm_int_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); +}; + +class a2bus_iwm_card_device: public a2bus_iwm_device +{ +public: + a2bus_iwm_card_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock); + + virtual void device_start() override; + virtual const tiny_rom_entry *device_rom_region() const override; + + virtual uint8_t read_cnxx(uint8_t offset) override; + +private: + uint8_t *m_rom; +}; + +// device type definition +DECLARE_DEVICE_TYPE(A2BUS_IWM, a2bus_iwm_int_device) +DECLARE_DEVICE_TYPE(A2BUS_IWM_CARD, a2bus_iwm_card_device) + +#endif // MAME_BUS_A2BUS_A2IWM_H |