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-rw-r--r--src/devices/bus/pce_ctrl/multitap.h57
1 files changed, 57 insertions, 0 deletions
diff --git a/src/devices/bus/pce_ctrl/multitap.h b/src/devices/bus/pce_ctrl/multitap.h
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+// license:BSD-3-Clause
+// copyright-holders:cam900
+/**********************************************************************
+
+ NEC PC Engine/TurboGrafx-16 Multi Tap emulation
+
+**********************************************************************/
+
+#ifndef MAME_BUS_PCE_CTRL_MULTITAP_H
+#define MAME_BUS_PCE_CTRL_MULTITAP_H
+
+#pragma once
+
+
+#include "pcectrl.h"
+
+
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+// ======================> pce_multitap_device
+
+class pce_multitap_device : public device_t,
+ public device_pce_control_port_interface
+{
+public:
+ // construction/destruction
+ pce_multitap_device(const machine_config &mconfig, const char *tag, device_t *owner, u32 clock);
+
+protected:
+ // device-level overrides
+ virtual void device_add_mconfig(machine_config &config) override;
+ virtual void device_start() override;
+ virtual void device_reset() override;
+
+ // device_pce_control_port_interface overrides
+ virtual u8 peripheral_r() override;
+ virtual void sel_w(int state) override;
+ virtual void clr_w(int state) override;
+
+private:
+ // controller ports
+ required_device_array<pce_control_port_device, 5> m_subctrl_port;
+
+ // internal states
+ u8 m_port_sel = 0; // select port to read
+ bool m_prev_sel = false; // previous SEL pin state
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(PCE_MULTITAP, pce_multitap_device)
+
+
+#endif // MAME_BUS_PCE_CTRL_MULTITAP_H