1 files changed, 79 insertions, 0 deletions
diff --git a/sid/sidplay-libs-2.1.0/libsidplay/src/mos656x/mos656x.h b/sid/sidplay-libs-2.1.0/libsidplay/src/mos656x/mos656x.h
new file mode 100644
index 00000000..7cf9867e
--- /dev/null
+++ b/sid/sidplay-libs-2.1.0/libsidplay/src/mos656x/mos656x.h
@@ -0,0 +1,79 @@
+/***************************************************************************
+                          mos656x.h  -  Minimal VIC emulation
+                             -------------------
+    begin                : Wed May 21 2001
+    copyright            : (C) 2001 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.                                   *
+ *                                                                         *
+ ***************************************************************************/
+
+#ifndef _mos656x_h_
+#define _mos656x_h_
+
+#include "component.h"
+#include "event.h"
+
+typedef enum
+{
+    MOS6567R56A, /* OLD NTSC CHIP */
+    MOS6567R8,   /* NTSC */
+    MOS6569      /* PAL */
+} mos656x_model_t;
+
+
+class MOS656X: public component, public Event
+{
+private:
+    static const char *credit;
+
+protected:
+    uint8_t        regs[0x40];
+    uint8_t        icr, idr, ctrl1;
+    uint_least16_t yrasters, xrasters, raster_irq;
+    uint_least16_t raster_x, raster_y;
+    uint_least16_t first_dma_line, last_dma_line, y_scroll;
+    bool           bad_lines_enabled, bad_line;
+
+    event_clock_t m_accessClk;
+    EventContext &event_context;
+
+protected:
+    MOS656X (EventContext *context);
+    void    event       (void);
+    void    trigger     (int irq);
+
+    // Environment Interface
+    virtual void interrupt (bool state) = 0;
+    virtual void busaccess (bool state) = 0;
+    virtual void addrctrl  (bool state) = 0;
+
+public:
+    void    chip  (mos656x_model_t model);
+
+    // Component Standard Calls
+    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;}
+};
+
+
+/***************************************************************************
+ * Inline functions
+ **************************************************************************/
+
+enum
+{
+    MOS656X_INTERRUPT_RST     = 1 << 0,
+    MOS656X_INTERRUPT_REQUEST = 1 << 7
+};
+
+#endif // _mos656x_h_