macemu/BasiliskII/src/main.cpp

267 lines
5.3 KiB
C++

/*
* main.cpp - Startup/shutdown code
*
* 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
*/
#include "sysdeps.h"
#include "cpu_emulation.h"
#include "xpram.h"
#include "timer.h"
#include "sony.h"
#include "disk.h"
#include "cdrom.h"
#include "scsi.h"
#include "extfs.h"
#include "audio.h"
#include "video.h"
#include "serial.h"
#include "ether.h"
#include "clip.h"
#include "adb.h"
#include "rom_patches.h"
#include "user_strings.h"
#include "prefs.h"
#include "main.h"
#define DEBUG 0
#include "debug.h"
#if ENABLE_MON
#include "mon.h"
static uint32 mon_read_byte_b2(uintptr adr)
{
return ReadMacInt8(adr);
}
static void mon_write_byte_b2(uintptr adr, uint32 b)
{
WriteMacInt8(adr, b);
}
#endif
/*
* Initialize everything, returns false on error
*/
bool InitAll(const char *vmdir)
{
// Check ROM version
if (!CheckROM()) {
ErrorAlert(STR_UNSUPPORTED_ROM_TYPE_ERR);
return false;
}
#if EMULATED_68K
// Set CPU and FPU type (UAE emulation)
switch (ROMVersion) {
case ROM_VERSION_64K:
case ROM_VERSION_PLUS:
case ROM_VERSION_CLASSIC:
CPUType = 0;
FPUType = 0;
TwentyFourBitAddressing = true;
break;
case ROM_VERSION_II:
CPUType = PrefsFindInt32("cpu");
if (CPUType < 2) CPUType = 2;
if (CPUType > 4) CPUType = 4;
FPUType = PrefsFindBool("fpu") ? 1 : 0;
if (CPUType == 4) FPUType = 1; // 68040 always with FPU
TwentyFourBitAddressing = true;
break;
case ROM_VERSION_32:
CPUType = PrefsFindInt32("cpu");
if (CPUType < 2) CPUType = 2;
if (CPUType > 4) CPUType = 4;
FPUType = PrefsFindBool("fpu") ? 1 : 0;
if (CPUType == 4) FPUType = 1; // 68040 always with FPU
TwentyFourBitAddressing = false;
break;
}
CPUIs68060 = false;
#endif
// Load XPRAM
XPRAMInit(vmdir);
// Load XPRAM default values if signature not found
if (XPRAM[0x0c] != 0x4e || XPRAM[0x0d] != 0x75
|| XPRAM[0x0e] != 0x4d || XPRAM[0x0f] != 0x63) {
D(bug("Loading XPRAM default values\n"));
memset(XPRAM, 0, 0x100);
XPRAM[0x0c] = 0x4e; // "NuMc" signature
XPRAM[0x0d] = 0x75;
XPRAM[0x0e] = 0x4d;
XPRAM[0x0f] = 0x63;
XPRAM[0x01] = 0x80; // InternalWaitFlags = DynWait (don't wait for SCSI devices upon bootup)
XPRAM[0x10] = 0xa8; // Standard PRAM values
XPRAM[0x11] = 0x00;
XPRAM[0x12] = 0x00;
XPRAM[0x13] = 0x22;
XPRAM[0x14] = 0xcc;
XPRAM[0x15] = 0x0a;
XPRAM[0x16] = 0xcc;
XPRAM[0x17] = 0x0a;
XPRAM[0x1c] = 0x00;
XPRAM[0x1d] = 0x02;
XPRAM[0x1e] = 0x63;
XPRAM[0x1f] = 0x00;
XPRAM[0x08] = 0x13;
XPRAM[0x09] = 0x88;
XPRAM[0x0a] = 0x00;
XPRAM[0x0b] = 0xcc;
XPRAM[0x76] = 0x00; // OSDefault = MacOS
XPRAM[0x77] = 0x01;
}
// Set boot volume
int16 i16 = PrefsFindInt32("bootdrive");
XPRAM[0x78] = i16 >> 8;
XPRAM[0x79] = i16 & 0xff;
i16 = PrefsFindInt32("bootdriver");
XPRAM[0x7a] = i16 >> 8;
XPRAM[0x7b] = i16 & 0xff;
// Init drivers
SonyInit();
DiskInit();
CDROMInit();
SCSIInit();
#if SUPPORTS_EXTFS
// Init external file system
ExtFSInit();
#endif
// Init serial ports
SerialInit();
// Init network
EtherInit();
// Init Time Manager
TimerInit();
// Init clipboard
ClipInit();
// Init ADB
ADBInit();
// Init audio
AudioInit();
// Init video
if (!VideoInit(ROMVersion == ROM_VERSION_64K || ROMVersion == ROM_VERSION_PLUS || ROMVersion == ROM_VERSION_CLASSIC))
return false;
// Set default video mode in XPRAM
XPRAM[0x56] = 0x42; // 'B'
XPRAM[0x57] = 0x32; // '2'
const monitor_desc &main_monitor = *VideoMonitors[0];
XPRAM[0x58] = main_monitor.depth_to_apple_mode(main_monitor.get_current_mode().depth);
XPRAM[0x59] = 0;
#if EMULATED_68K
// Init 680x0 emulation (this also activates the memory system which is needed for PatchROM())
if (!Init680x0())
return false;
#endif
// Install ROM patches
if (!PatchROM()) {
ErrorAlert(STR_UNSUPPORTED_ROM_TYPE_ERR);
return false;
}
#if ENABLE_MON
// Initialize mon
mon_init();
mon_read_byte = mon_read_byte_b2;
mon_write_byte = mon_write_byte_b2;
#endif
return true;
}
/*
* Deinitialize everything
*/
void ExitAll(void)
{
#if ENABLE_MON
// Deinitialize mon
mon_exit();
#endif
// Save XPRAM
XPRAMExit();
// Exit video
VideoExit();
// Exit audio
AudioExit();
// Exit ADB
ADBExit();
// Exit clipboard
ClipExit();
// Exit Time Manager
TimerExit();
// Exit serial ports
SerialExit();
// Exit network
EtherExit();
#if SUPPORTS_EXTFS
// Exit external file system
ExtFSExit();
#endif
// Exit drivers
SCSIExit();
CDROMExit();
DiskExit();
SonyExit();
}
/*
* Display error/warning alert given the message string ID
*/
void ErrorAlert(int string_id)
{
ErrorAlert(GetString(string_id));
}
void WarningAlert(int string_id)
{
WarningAlert(GetString(string_id));
}