1 files changed, 84 insertions, 0 deletions
diff --git a/sid/sidplay-libs-2.1.0/libsidplay/src/sid6526/sid6526.h b/sid/sidplay-libs-2.1.0/libsidplay/src/sid6526/sid6526.h
new file mode 100644
index 00000000..d92c230c
--- /dev/null
+++ b/sid/sidplay-libs-2.1.0/libsidplay/src/sid6526/sid6526.h
@@ -0,0 +1,84 @@
+/***************************************************************************
+                          sid6526.h  -  fake CIA timer for sidplay1
+                                        environment modes
+                             -------------------
+    begin                : Wed Jun 7 2000
+    copyright            : (C) 2000 by Simon White
+    email                : s_a_white@email.com
+ ***************************************************************************/
+
+/***************************************************************************
+ *                                                                         *
+ *   This program is free software; you can redistribute it and/or modify  *
+ *   it under the terms of the GNU General Public License as published by  *
+ *   the Free Software Foundation; either version 2 of the License, or     *
+ *   (at your option) any later version.                                   *
+ *                                                                         *
+ ***************************************************************************/
+/***************************************************************************
+ *  $Log: sid6526.h,v $
+ *  Revision 1.3  2002/07/20 08:34:52  s_a_white
+ *  Remove unnecessary and pointless conts.
+ *
+ *  Revision 1.2  2002/03/11 18:00:29  s_a_white
+ *  Better mirror sidplay1s handling of random numbers.
+ *
+ *  Revision 1.1  2001/09/01 11:11:19  s_a_white
+ *  This is the old fake6526 code required for sidplay1 environment modes.
+ *
+ ***************************************************************************/
+
+#ifndef _sid6526_h_
+#define _sid6526_h_
+
+#include "component.h"
+#include "event.h"
+#include "c64env.h"
+
+class SID6526: public component
+{
+private:
+
+    static const char * const credit;
+
+    c64env       &m_env;
+    EventContext &m_eventContext;
+    event_clock_t m_accessClk;
+
+    uint8_t regs[0x10];
+    uint8_t cra;             // Timer A Control Register
+    uint_least16_t ta_latch;
+    uint_least16_t ta;       // Current count (reduces to zero)
+    uint_least32_t rnd;
+    uint_least16_t m_count;
+    bool locked; // Prevent code changing CIA.
+
+    class TaEvent: public Event
+    {
+    private:
+        SID6526 &m_cia;
+        void event (void) {m_cia.event ();}
+
+    public:
+        TaEvent (SID6526 &cia)
+            :Event("CIA Timer A"),
+             m_cia(cia) {}
+    } m_taEvent;
+
+public:
+    SID6526 (c64env *env);
+
+    //Common:
+    void    reset (void);
+    uint8_t read  (uint_least8_t addr);
+    void    write (uint_least8_t addr, uint8_t data);
+    const   char *credits (void) {return credit;}
+    const   char *error   (void) {return "";}
+
+    // Specific:
+    void event (void);
+    void clock (uint_least16_t count) { m_count = count; }
+    void lock  () { locked = true; }
+};
+
+#endif // _sid6526_h_