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/***************************************************************************
sidusage.h - sid usage definitions
-------------------
begin : Tues Nov 19 2002
copyright : (C) 2002 by Simon White
email : sidplay2@yahoo.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 _sidusage_h_
#define _sidusage_h_
#include "sidtypes.h"
enum
{
SID_READ = 1 << 0,
SID_WRITE = 1 << 1,
SID_EXECUTE = 1 << 2,
SID_STACK = 1 << 3,
SID_SAMPLE = 1 << 4,
SID_BAD_READ = 1 << 5,
SID_BAD_EXECUTE = 1 << 6,
// Next byte provides extended information
SID_EXTENSION = 1 << 7,
// Once SID_EXTENSION has been tested for, you
// are recommened to throw that bit away and
// assign it the following meaning where
// appropriate. This bit is not saved to file.
SID_LOAD_IMAGE = 1 << 7
};
enum
{
SID_IRQ = 1 << 0, // Play == 0
SID_IRQ_RTI = 1 << 1, // Switch out kernal with no I flag
SID_IRQ_IFLAG = 1 << 2, // Bad I flag
SID_IRQ_DISABLE = 1 << 3, // Permently disables IRQ source
SID_IRQ_NOACK = 1 << 4, // Dosen't acknowledge IRQ source
SID_NMI = 1 << 5, // Enables NMI IRQs
SID_EXECUTE_IO = 1 << 6, // Execution in IO (under)
SID_EXECUTE_ROM = 1 << 7, // Execution in ROM (under)
SID_IRQ_OTHER = 1 << 8, // Enabled alternative IRQ
SID_BAD_STACK = 1 << 9, // Tune corrupts stack contents
SID_INSTR_EX = 1 << 10, // Extended 6510 instructions
SID_INSTR_ILL = 1 << 11, // Illegal 6510 instructions
//SID_PSID_RANDOM = 1 << 12, // PSID Random extension
SID_INSTR_BRK = 1 << 13 // 6510 BRK, indications of a bad tune...
};
// All unused have a reserved meaning and must contain
// a zero value
typedef struct sid_usage_t
{
uint_least32_t flags;
// The next value may change to 16 bits
uint_least8_t memory[0x10000];
char md5[33]; // MD5 key
uint_least16_t length; // usage scan length
} sid_usage_t;
#endif // _sidusage_h_
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