macemu/BasiliskII/src/include/main.h

99 lines
2.9 KiB
C++

/*
* 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];
#ifdef UPDATE_UAE
memptr a[8];
uint16 sr;
memptr usp, isp, msp;
memptr pc;
#else
uint32 a[8];
uint16 sr;
#endif
};
// 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);
// vde switch variable
extern char* vde_sock;
// 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