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/* |
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* main.h - General definitions |
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* |
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* Basilisk II (C) 1997-2000 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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* 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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|
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#ifndef MAIN_H |
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#define MAIN_H |
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|
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// CPU type (0 = 68000, 1 = 68010, 2 = 68020, 3 = 68030, 4 = 68040/060) |
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extern int CPUType; |
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extern bool CPUIs68060; // Flag to distinguish 68040 and 68060 |
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|
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// FPU type (0 = no FPU, 1 = 68881, 2 = 68882) |
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extern int FPUType; |
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|
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// Flag: 24-bit-addressing? |
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extern bool TwentyFourBitAddressing; |
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|
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// 68k register structure (for Execute68k()) |
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struct M68kRegisters { |
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uint32 d[8]; |
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uint32 a[8]; |
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uint16 sr; |
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}; |
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|
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// General functions |
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extern bool InitAll(void); |
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extern void ExitAll(void); |
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|
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// Platform-specific functions |
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extern void FlushCodeCache(void *start, uint32 size); // Code was patched, flush caches if neccessary |
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extern void QuitEmulator(void); // Quit emulator |
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extern void ErrorAlert(const char *text); // Display error alert |
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extern void WarningAlert(const char *text); // Display warning alert |
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extern bool ChoiceAlert(const char *text, const char *pos, const char *neg); // Display choice alert |
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|
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// Interrupt flags |
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enum { |
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INTFLAG_60HZ = 1, // 60.15Hz VBL |
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INTFLAG_1HZ = 2, // ~1Hz interrupt |
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INTFLAG_SERIAL = 4, // Serial driver |
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INTFLAG_ETHER = 8, // Ethernet driver |
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INTFLAG_AUDIO = 16, // Audio block read |
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INTFLAG_TIMER = 32, // Time Manager |
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INTFLAG_NMI = 64 // NMI |
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}; |
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|
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extern uint32 InterruptFlags; // Currently pending interrupts |
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extern void SetInterruptFlag(uint32 flag); // Set/clear interrupt flags |
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extern void ClearInterruptFlag(uint32 flag); |
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extern void TriggerNMI(void); |
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|
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#endif |
