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/* |
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* macos_util.h - MacOS definitions/utility functions |
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* |
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* Basilisk II (C) 1997-2000 Christian Bauer |
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* Basilisk II (C) 1997-2001 Christian Bauer |
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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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#ifndef MACOS_UTIL_H |
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#define MACOS_UTIL_H |
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#include "cpu_emulation.h" |
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/* |
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* Queues |
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}; |
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// Definitions for DebugUtil() Selector |
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enum { |
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duDebuggerGetMax = 0, |
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duDebuggerEnter = 1, |
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duDebuggerExit = 2, |
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duDebuggerPoll = 3, |
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duGetPageState = 4, |
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duPageFaultFatal = 5, |
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duDebuggerLockMemory = 6, |
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duDebuggerUnlockMemory = 7, |
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duEnterSupervisorMode = 8 |
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}; |
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// Functions |
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extern void EnqueueMac(uint32 elem, uint32 list); // Enqueue QElem in list |
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extern int FindFreeDriveNumber(int num); // Find first free drive number, starting at "num" |
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extern void MountVolume(void *fh); // Mount volume with given file handle (see sys.h) |
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extern bool HasMacStarted(void); // Test if basic MacOS initializations are done |
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extern void FileDiskLayout(loff_t size, uint8 *data, loff_t &start_byte, loff_t &real_size); // Calculate disk image file layout given file size and first 256 data bytes |
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extern uint32 DebugUtil(uint32 Selector); // DebugUtil() Replacement |
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// Construct four-character-code |
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#define FOURCC(a,b,c,d) (((uint32)(a) << 24) | ((uint32)(b) << 16) | ((uint32)(c) << 8) | (uint32)(d)) |
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// Emulator identification codes (4 and 2 characters) |
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const uint32 EMULATOR_ID_4 = 0x62617369; // 'basi' |
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const uint16 EMULATOR_ID_2 = 0x6261; // 'ba' |
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// Test if basic MacOS initializations (of the ROM) are done |
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static inline bool HasMacStarted(void) |
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{ |
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return ReadMacInt32(0xcfc) == FOURCC('W','L','S','C'); // Mac warm start flag |
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} |
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#endif |
