| /* |
| * main.h - General definitions |
| * |
| * Basilisk II (C) 1997-2008 Christian Bauer |
| * |
| * 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. |
| * |
| * This program is distributed in the hope that it will be useful, |
| * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| * GNU General Public License for more details. |
| * |
| * You should have received a copy of the GNU General Public License |
| * along with this program; if not, write to the Free Software |
| * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
| */ |
| |
| #ifndef MAIN_H |
| #define MAIN_H |
| |
| // CPU type (0 = 68000, 1 = 68010, 2 = 68020, 3 = 68030, 4 = 68040/060) |
| extern int CPUType; |
| extern bool CPUIs68060; // Flag to distinguish 68040 and 68060 |
| |
| // FPU type (0 = no FPU, 1 = 68881, 2 = 68882) |
| extern int FPUType; |
| |
| // Flag: 24-bit-addressing? |
| extern bool TwentyFourBitAddressing; |
| |
| // 68k register structure (for Execute68k()) |
| struct M68kRegisters { |
| uint32 d[8]; |
| uint32 a[8]; |
| uint16 sr; |
| }; |
| |
| // General functions |
| extern bool InitAll(const char *vmdir); |
| extern void ExitAll(void); |
| |
| // Platform-specific functions |
| extern void FlushCodeCache(void *start, uint32 size); // Code was patched, flush caches if neccessary |
| extern void QuitEmulator(void); // Quit emulator |
| extern void ErrorAlert(const char *text); // Display error alert |
| extern void ErrorAlert(int string_id); |
| extern void WarningAlert(const char *text); // Display warning alert |
| extern void WarningAlert(int string_id); |
| extern bool ChoiceAlert(const char *text, const char *pos, const char *neg); // Display choice alert |
| |
| // Mutexes (non-recursive) |
| struct B2_mutex; |
| extern B2_mutex *B2_create_mutex(void); |
| extern void B2_lock_mutex(B2_mutex *mutex); |
| extern void B2_unlock_mutex(B2_mutex *mutex); |
| extern void B2_delete_mutex(B2_mutex *mutex); |
| |
| // Interrupt flags |
| enum { |
| INTFLAG_60HZ = 1, // 60.15Hz VBL |
| INTFLAG_1HZ = 2, // ~1Hz interrupt |
| INTFLAG_SERIAL = 4, // Serial driver |
| INTFLAG_ETHER = 8, // Ethernet driver |
| INTFLAG_AUDIO = 16, // Audio block read |
| INTFLAG_TIMER = 32, // Time Manager |
| INTFLAG_ADB = 64, // ADB |
| INTFLAG_NMI = 128 // NMI |
| }; |
| |
| extern uint32 InterruptFlags; // Currently pending interrupts |
| extern void SetInterruptFlag(uint32 flag); // Set/clear interrupt flags |
| extern void ClearInterruptFlag(uint32 flag); |
| |
| // Array length |
| #if __cplusplus >= 201103L || (_MSC_VER >= 1900 && defined __cplusplus) |
| template <typename T, size_t size> |
| constexpr size_t lengthof(T (& a)[size]) |
| { |
| return size; |
| } |
| #else |
| #define lengthof(a) (sizeof(a) / sizeof(a[0])) |
| #endif |
| |
| #endif |
