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-rw-r--r--src/devices/bus/a2bus/a2iwm.h73
1 files changed, 73 insertions, 0 deletions
diff --git a/src/devices/bus/a2bus/a2iwm.h b/src/devices/bus/a2bus/a2iwm.h
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+// 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