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Diffstat (limited to 'src/devices/bus/coleco/controller/ctrl.h')
-rw-r--r--src/devices/bus/coleco/controller/ctrl.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/devices/bus/coleco/controller/ctrl.h b/src/devices/bus/coleco/controller/ctrl.h
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+++ b/src/devices/bus/coleco/controller/ctrl.h
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+// license:BSD-3-Clause
+// copyright-holders:Curt Coder
+/**********************************************************************
+
+ ColecoVision controller port emulation
+
+**********************************************************************
+
+
+**********************************************************************/
+
+#ifndef MAME_BUS_COLECO_CTRL_H
+#define MAME_BUS_COLECO_CTRL_H
+
+#pragma once
+
+//**************************************************************************
+// TYPE DEFINITIONS
+//**************************************************************************
+
+class colecovision_control_port_device;
+
+
+// ======================> device_colecovision_control_port_interface
+
+class device_colecovision_control_port_interface : public device_slot_card_interface
+{
+public:
+ virtual uint8_t joy_r() { return 0xff; }
+ virtual void common0_w(int state) { m_common0 = state; }
+ virtual void common1_w(int state) { m_common1 = state; }
+
+protected:
+ // construction/destruction
+ device_colecovision_control_port_interface(const machine_config &mconfig, device_t &device);
+
+ colecovision_control_port_device *m_port;
+
+ int m_common0;
+ int m_common1;
+};
+
+
+// ======================> colecovision_control_port_device
+
+class colecovision_control_port_device : public device_t,
+ public device_slot_interface
+{
+public:
+ // construction/destruction
+ template <typename T>
+ colecovision_control_port_device(machine_config const &mconfig, char const *tag, device_t *owner, T &&opts, char const *dflt)
+ : colecovision_control_port_device(mconfig, tag, owner, (uint32_t)0)
+ {
+ option_reset();
+ opts(*this);
+ set_default_option(dflt);
+ set_fixed(false);
+ }
+ colecovision_control_port_device(const machine_config &mconfig, const char *tag, device_t *owner, uint32_t clock);
+
+ // static configuration helpers
+ auto irq() { return m_write_irq.bind(); }
+
+ // computer interface
+ uint8_t read() { uint8_t data = 0xff; if (exists()) data = m_device->joy_r(); return data; }
+ DECLARE_READ8_MEMBER( read ) { return read(); }
+
+ DECLARE_WRITE_LINE_MEMBER( common0_w ) { if (exists()) m_device->common0_w(state); }
+ DECLARE_WRITE_LINE_MEMBER( common1_w ) { if (exists()) m_device->common1_w(state); }
+
+ bool exists() { return m_device != nullptr; }
+
+ void irq_w(int state) { m_write_irq(state); }
+
+protected:
+ // device-level overrides
+ virtual void device_start() override;
+
+ device_colecovision_control_port_interface *m_device;
+
+private:
+ devcb_write_line m_write_irq;
+};
+
+
+// device type definition
+DECLARE_DEVICE_TYPE(COLECOVISION_CONTROL_PORT, colecovision_control_port_device)
+
+void colecovision_control_port_devices(device_slot_interface &device);
+
+
+#endif // MAME_BUS_COLECO_CTRL_H