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-rw-r--r--src/devices/bus/astrocde/cassette.h61
1 files changed, 61 insertions, 0 deletions
diff --git a/src/devices/bus/astrocde/cassette.h b/src/devices/bus/astrocde/cassette.h
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+++ b/src/devices/bus/astrocde/cassette.h
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+// license:BSD-3-Clause
+// copyright-holders:Ryan Holtz
+#ifndef MAME_BUS_ASTROCDE_CASSETTE_H
+#define MAME_BUS_ASTROCDE_CASSETTE_H
+
+#pragma once
+
+#include "ctrl.h"
+#include "imagedev/cassette.h"
+#include "machine/timer.h"
+
+#include <queue>
+
+
+/***************************************************************************
+ TYPE DEFINITIONS
+ ***************************************************************************/
+
+// ======================> astrocade_cassette_device
+
+class astrocade_cassette_device : public device_t,
+ public device_astrocade_ctrl_interface
+{
+public:
+ static constexpr feature_type imperfect_features() { return feature::TAPE; }
+
+ // construction/destruction
+ astrocade_cassette_device(machine_config const &mconfig, char const *tag, device_t *owner, uint32_t clock = 0U);
+ virtual ~astrocade_cassette_device();
+
+ // device_astrocade_ctrl_interface implementation
+ virtual uint8_t read_handle() override;
+ virtual uint8_t read_knob() override;
+
+protected:
+ // device_t implementation
+ virtual void device_start() override;
+ virtual void device_reset() override;
+ virtual void device_add_mconfig(machine_config &config) override;
+
+ TIMER_DEVICE_CALLBACK_MEMBER(check_cassette_wave);
+ TIMER_DEVICE_CALLBACK_MEMBER(pulse_cassette_clock);
+
+private:
+ required_device<cassette_image_device> m_cassette;
+ double m_cass_wave;
+ double m_cass_delta;
+ uint32_t m_cass_wave_ticks;
+ uint32_t m_cass_cycles;
+ bool m_cass_mark;
+ std::queue<uint8_t> m_cass_data;
+};
+
+
+/***************************************************************************
+ DEVICE TYPES
+ ***************************************************************************/
+
+DECLARE_DEVICE_TYPE(ASTROCADE_CASSETTE, astrocade_cassette_device)
+
+#endif // MAME_BUS_ASTROCDE_CASSETTE_H