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-rw-r--r--src/devices/bus/a2gameio/gameio.h108
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diff --git a/src/devices/bus/a2gameio/gameio.h b/src/devices/bus/a2gameio/gameio.h
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+++ b/src/devices/bus/a2gameio/gameio.h
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+// license:BSD-3-Clause
+// copyright-holders:AJR
+/*********************************************************************
+
+ Apple II Game I/O Connector
+
+*********************************************************************/
+
+#ifndef MAME_BUS_A2GAMEIO_GAMEIO_H
+#define MAME_BUS_A2GAMEIO_GAMEIO_H 1
+
+#pragma once
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// forward declaration
+class device_a2gameio_interface;
+
+// ======================> apple2_gameio_device
+
+class apple2_gameio_device : public device_t, public device_slot_interface
+{
+public:
+ // construction/destruction
+ apple2_gameio_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+ template <typename T>
+ apple2_gameio_device(const machine_config &mconfig, const char *tag, device_t *owner, T &&opts, const char *dflt)
+ : apple2_gameio_device(mconfig, tag, owner, 0U)
+ {
+ option_reset();
+ opts(*this);
+ set_default_option(dflt);
+ set_fixed(false);
+ }
+
+ // standard options
+ static void default_options(device_slot_interface &slot);
+
+ // analog paddles
+ u8 pdl0_r();
+ u8 pdl1_r();
+ u8 pdl2_r();
+ u8 pdl3_r();
+
+ // digital switches
+ DECLARE_READ_LINE_MEMBER(sw0_r);
+ DECLARE_READ_LINE_MEMBER(sw1_r);
+ DECLARE_READ_LINE_MEMBER(sw2_r);
+ DECLARE_READ_LINE_MEMBER(sw3_r);
+
+ // annunciator outputs
+ DECLARE_WRITE_LINE_MEMBER(an0_w);
+ DECLARE_WRITE_LINE_MEMBER(an1_w);
+ DECLARE_WRITE_LINE_MEMBER(an2_w);
+ DECLARE_WRITE_LINE_MEMBER(an3_w);
+ DECLARE_WRITE_LINE_MEMBER(an4_w);
+
+ // utility strobe (active low)
+ DECLARE_WRITE_LINE_MEMBER(strobe_w);
+
+protected:
+ // device-level overrides
+ virtual void device_config_complete() override;
+ virtual void device_start() override;
+
+private:
+ // selected device
+ device_a2gameio_interface *m_intf;
+};
+
+// ======================> device_a2gameio_interface
+
+class device_a2gameio_interface : public device_slot_card_interface
+{
+ friend class apple2_gameio_device;
+
+protected:
+ // construction/destruction
+ device_a2gameio_interface(const machine_config &mconfig, device_t &device);
+ virtual ~device_a2gameio_interface();
+
+ // optional input overrides
+ virtual u8 pdl0_r() { return 0; }
+ virtual u8 pdl1_r() { return 0; }
+ virtual u8 pdl2_r() { return 0; }
+ virtual u8 pdl3_r() { return 0; }
+ virtual DECLARE_READ_LINE_MEMBER(sw0_r) { return 1; }
+ virtual DECLARE_READ_LINE_MEMBER(sw1_r) { return 1; }
+ virtual DECLARE_READ_LINE_MEMBER(sw2_r) { return 1; }
+ virtual DECLARE_READ_LINE_MEMBER(sw3_r) { return 1; }
+
+ // optional output overrides
+ virtual DECLARE_WRITE_LINE_MEMBER(an0_w) { }
+ virtual DECLARE_WRITE_LINE_MEMBER(an1_w) { }
+ virtual DECLARE_WRITE_LINE_MEMBER(an2_w) { }
+ virtual DECLARE_WRITE_LINE_MEMBER(an3_w) { }
+ virtual DECLARE_WRITE_LINE_MEMBER(an4_w) { }
+ virtual DECLARE_WRITE_LINE_MEMBER(strobe_w) { }
+};
+
+// device type declaration
+DECLARE_DEVICE_TYPE(APPLE2_GAMEIO, apple2_gameio_device)
+
+#endif // MAME_BUS_A2GAMEIO_GAMEIO_H