duckey77
033e23c72e
Update VirtualC64 to 1.4.2 created autoload& run functionality first attempt at working save states
103 lines
2.6 KiB
C++
103 lines
2.6 KiB
C++
/*!
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* @header Message.h
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* @author Dirk W. Hoffmann, www.dirkwhoffmann.de
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* @copyright 2010 - 2016 Dirk W. Hoffmann
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*/
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/* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
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*/
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#ifndef _MESSAGE_INC
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#define _MESSAGE_INC
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#include "VC64Object.h"
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// Message types
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enum {
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MSG_ROM_LOADED = 1,
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MSG_ROM_MISSING,
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MSG_ROM_COMPLETE,
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MSG_RUN,
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MSG_HALT,
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MSG_CPU,
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MSG_WARP,
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MSG_ALWAYS_WARP,
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MSG_LOG,
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MSG_VC1541_ATTACHED,
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MSG_VC1541_ATTACHED_SOUND,
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MSG_VC1541_DISK,
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MSG_VC1541_DISK_SOUND,
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MSG_VC1541_LED,
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MSG_VC1541_DATA,
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MSG_VC1541_MOTOR,
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MSG_VC1541_HEAD,
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MSG_VC1541_HEAD_SOUND,
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MSG_CARTRIDGE,
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MSG_VC1530_TAPE,
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MSG_VC1530_PLAY,
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MSG_VC1530_PROGRESS,
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MSG_JOYSTICK_ATTACHED,
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MSG_JOYSTICK_REMOVED,
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MSG_PAL,
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MSG_NTSC
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};
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typedef struct {
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int id; // Message ID
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char c[128]; // Text message
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int i; // Integer value
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void *p; // Pointer value
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} Message;
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class MessageQueue : public VC64Object {
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private:
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//! @brief Maximum number of queued messages
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const static unsigned queue_size = 64;
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//! @brief Message queue ring buffer
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Message queue[queue_size];
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//! @brief The ring buffers read pointer
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int r;
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//! @brief The ring buffers read pointer
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int w;
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//! @brief Mutex for streamlining parallel read and write accesses
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pthread_mutex_t lock;
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//! @brief Prints a textual description of the message for debugging
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void printMessage(Message *msg);
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public:
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//! @brief Constructor
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MessageQueue();
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//! @brief Destructor
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~MessageQueue();
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/*! @brief Returns the next pending message
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* @return Returns NULL, if the queue is empty
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*/
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Message *getMessage();
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//! @brief Adds new message to queue
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void putMessage(int id, int i = 0, void *p = NULL, const char *c = NULL);
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};
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#endif
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