void fastPoll( void )
{
RANDOM_STATE randomState;
BYTE buffer[ RANDOM_BUFSIZE + 8 ];
/* BatteryTimeRec batteryTimeInfo; */
SMStatus soundStatus;
ThreadID threadID;
ThreadState threadState;
EventRecord eventRecord;
Point point;
WindowPtr windowPtr;
PScrapStuff scrapInfo;
UnsignedWide usSinceStartup;
BYTE dataBuffer[ 2 + 8 ];
/* short driverRefNum; */
UInt32 dateTime;
/* int count, dummy; */
NumVersion version;
initRandomData( randomState, buffer, RANDOM_BUFSIZE );
/* Get the status of the last alert, how much battery time is remaining
and the voltage from all batteries, the internal battery status, the
current date and time and time since system startup in ticks, the
application heap limit and current and heap zone, free memory in the
current and system heap, microseconds since system startup, whether
QuickDraw has finished drawing, modem status, SCSI status
information, maximum block allocatable without compacting, available
stack space, the last QuickDraw error code */
/* addRandomValue( randomState, GetAlertStage() );
count = BatteryCount();
while( count-- > 0 )
{
addRandomValue( randomState,
GetBatteryVoltage( count ) );
GetBatteryTimes( count, &batteryTimeInfo );
addRandomData( randomState, &batteryTimeInfo,
sizeof( BatteryTimeRec ) );
}
if( !BatteryStatus( buffer, dataBuffer + 1 ) )
addRandomValue( randomState, dataBuffer );
*/ GetDateTime( &dateTime );
addRandomValue( randomState, dateTime );
addRandomValue( randomState, TickCount() );
#if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON
addRandomValue( randomState, GetApplLimit() );
addRandomValue( randomState, GetZone() );
addRandomValue( randomState, SystemZone() );
addRandomValue( randomState, FreeMem() );
addRandomValue( randomState, FreeMemSys() );
#endif
/* MicroSeconds( &usSinceStartup );
addRandomData( randomState, &usSinceStartup, sizeof( UnsignedWide ) ); */
addRandomValue( randomState, QDDone( NULL ) );
/* ModemStatus( dataBuffer );
addRandomValue( randomState, dataBuffer[ 0 ] ); */
#if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON
addRandomValue( randomState, SCSIStat() );
#endif
addRandomValue( randomState, MaxBlock() );
addRandomValue( randomState, StackSpace() );
addRandomValue( randomState, QDError() );
/* Get the event code and message, time, and mouse location for the next
event in the event queue and the OS event queue */
if( EventAvail( everyEvent, &eventRecord ) )
addRandomData( randomState, &eventRecord, sizeof( EventRecord ) );
#if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON
if( OSEventAvail( everyEvent, &eventRecord ) )
addRandomData( randomState, &eventRecord, sizeof( EventRecord ) );
#endif
/* Get all sorts of information such as device-specific info, grafport
information, visible and clipping region, pattern, pen, text, and
colour information, and other details, on the topmost window. Also
get the window variant. If there's a colour table record, add the
colour table as well */
if( ( windowPtr = FrontWindow() ) != NULL )
{
/* CTabHandle colourHandle; */
#if !defined OPAQUE_TOOLBOX_STRUCTS || !OPAQUE_TOOLBOX_STRUCTS
addRandomData( randomState, windowPtr, sizeof( GrafPort ) );
#endif
addRandomValue( randomState, GetWVariant( windowPtr ) );
/* if( GetAuxWin( windowPtr, colourHandle ) )
{
CTabPtr colourPtr;
HLock( colourHandle );
colourPtr = *colourHandle;
addRandomData( randomState, colourPtr, sizeof( ColorTable ) );
HUnlock( colourHandle );
} */
}
/* Get mouse-related such as the mouse button status and mouse position,
information on the window underneath the mouse */
addRandomValue( randomState, Button() );
GetMouse( &point );
addRandomData( randomState, &point, sizeof( Point ) );
FindWindow( point, &windowPtr );
#if !defined OPAQUE_TOOLBOX_STRUCTS || !OPAQUE_TOOLBOX_STRUCTS
if( windowPtr != NULL )
addRandomData( randomState, windowPtr, sizeof( GrafPort ) );
#endif
/* Get the size, handle, and location of the desk scrap/clipboard */
#if !defined CALL_NOT_IN_CARBON || CALL_NOT_IN_CARBON
scrapInfo = InfoScrap();
addRandomData( randomState, scrapInfo, sizeof( ScrapStuff ) );
#endif
/* Get information on the current thread */
threadID = kCurrentThreadID; /*GetThreadID( &threadID ); */
GetThreadState( threadID, &threadState );
addRandomData( randomState, &threadState, sizeof( ThreadState ) );
/* Get the sound mananger status. This gets the number of allocated
sound channels and the current CPU load from these channels */
SndManagerStatus( sizeof( SMStatus ), &soundStatus );
addRandomData( randomState, &soundStatus, sizeof( SMStatus ) );
/* Get the speech manager version and status */
/* version = SpeechManagerVersion();
addRandomData( randomState, &version, sizeof( NumVersion ) );
addRandomValue( randomState, SpeechBusy() );
*/
/* Get the status of the serial port. This gets information on recent
errors, read and write pending status, and flow control values */
/* if( !OpenDriver( "\p.AIn", &driverRefNum ) )
{
SerStaRec serialStatus;
SetStatus( driverRefNum, &serialStatus );
addRandomData( randomState, &serialStatus, sizeof( SerStaRec ) );
}
if( !OpenDriver( "\p.AOut", &driverRefNum ) )
{
SerStaRec serialStatus;
SetStatus( driverRefNum, &serialStatus );
addRandomData( randomState, &serialStatus, sizeof( SerStaRec ) );
} */
/* Flush any remaining data through */
endRandomData( randomState, 10 );
}
void EmulOp(M68kRegisters *r, uint32 pc, int selector)
{
D(bug("EmulOp %04x at %08x\n", selector, pc));
switch (selector) {
case OP_BREAK: // Breakpoint
printf("*** Breakpoint\n");
Dump68kRegs(r);
break;
case OP_XPRAM1: { // Read/write from/to XPRam
uint32 len = r->d[3];
uint8 *adr = Mac2HostAddr(r->a[3]);
D(bug("XPRAMReadWrite d3: %08lx, a3: %p\n", len, adr));
int ofs = len & 0xffff;
len >>= 16;
if (len & 0x8000) {
len &= 0x7fff;
for (uint32 i=0; i<len; i++)
XPRAM[((ofs + i) & 0xff) + 0x1300] = *adr++;
} else {
for (uint32 i=0; i<len; i++)
*adr++ = XPRAM[((ofs + i) & 0xff) + 0x1300];
}
break;
}
case OP_XPRAM2: // Read from XPRam
r->d[1] = XPRAM[(r->d[1] & 0xff) + 0x1300];
break;
case OP_XPRAM3: // Write to XPRam
XPRAM[(r->d[1] & 0xff) + 0x1300] = r->d[2];
break;
case OP_NVRAM1: { // Read from NVRAM
int ofs = r->d[0];
r->d[0] = XPRAM[ofs & 0x1fff];
bool localtalk = !(XPRAM[0x13e0] || XPRAM[0x13e1]); // LocalTalk enabled?
switch (ofs) {
case 0x13e0: // Disable LocalTalk (use EtherTalk instead)
if (localtalk)
r->d[0] = 0x00;
break;
case 0x13e1:
if (localtalk)
r->d[0] = 0x01;
break;
case 0x13e2:
if (localtalk)
r->d[0] = 0x00;
break;
case 0x13e3:
if (localtalk)
r->d[0] = 0x0a;
break;
}
break;
}
case OP_NVRAM2: // Write to NVRAM
XPRAM[r->d[0] & 0x1fff] = r->d[1];
break;
case OP_NVRAM3: // Read/write from/to NVRAM
if (r->d[3]) {
r->d[0] = XPRAM[(r->d[4] + 0x1300) & 0x1fff];
} else {
XPRAM[(r->d[4] + 0x1300) & 0x1fff] = r->d[5];
r->d[0] = 0;
}
break;
case OP_FIX_MEMTOP: // Fixes MemTop in BootGlobs during startup
D(bug("Fix MemTop\n"));
WriteMacInt32(BootGlobsAddr - 20, RAMBase + RAMSize); // MemTop
r->a[6] = RAMBase + RAMSize;
break;
case OP_FIX_MEMSIZE: { // Fixes physical/logical RAM size during startup
D(bug("Fix MemSize\n"));
uint32 diff = ReadMacInt32(0x1ef8) - ReadMacInt32(0x1ef4);
WriteMacInt32(0x1ef8, RAMSize); // Physical RAM size
WriteMacInt32(0x1ef4, RAMSize - diff); // Logical RAM size
break;
}
case OP_FIX_BOOTSTACK: // Fixes boot stack pointer in boot 3 resource
D(bug("Fix BootStack\n"));
r->a[1] = r->a[7] = RAMBase + RAMSize * 3 / 4;
break;
case OP_SONY_OPEN: // Floppy driver functions
r->d[0] = SonyOpen(r->a[0], r->a[1]);
break;
case OP_SONY_PRIME:
r->d[0] = SonyPrime(r->a[0], r->a[1]);
break;
case OP_SONY_CONTROL:
r->d[0] = SonyControl(r->a[0], r->a[1]);
break;
case OP_SONY_STATUS:
r->d[0] = SonyStatus(r->a[0], r->a[1]);
break;
case OP_DISK_OPEN: // Disk driver functions
r->d[0] = DiskOpen(r->a[0], r->a[1]);
break;
case OP_DISK_PRIME:
r->d[0] = DiskPrime(r->a[0], r->a[1]);
break;
case OP_DISK_CONTROL:
r->d[0] = DiskControl(r->a[0], r->a[1]);
break;
case OP_DISK_STATUS:
r->d[0] = DiskStatus(r->a[0], r->a[1]);
break;
case OP_CDROM_OPEN: // CD-ROM driver functions
r->d[0] = CDROMOpen(r->a[0], r->a[1]);
break;
case OP_CDROM_PRIME:
r->d[0] = CDROMPrime(r->a[0], r->a[1]);
break;
case OP_CDROM_CONTROL:
r->d[0] = CDROMControl(r->a[0], r->a[1]);
break;
case OP_CDROM_STATUS:
r->d[0] = CDROMStatus(r->a[0], r->a[1]);
break;
case OP_AUDIO_DISPATCH: // Audio component functions
r->d[0] = gMacAudio->Dispatch(r->a[3], r->a[4]);
break;
case OP_SOUNDIN_OPEN: // Sound input driver functions
r->d[0] = gMacAudio->InOpen(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_PRIME:
r->d[0] = gMacAudio->InPrime(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_CONTROL:
r->d[0] = gMacAudio->InControl(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_STATUS:
r->d[0] = gMacAudio->InStatus(r->a[0], r->a[1]);
break;
case OP_SOUNDIN_CLOSE:
r->d[0] = gMacAudio->InClose(r->a[0], r->a[1]);
break;
case OP_ADBOP: // ADBOp() replacement
gADBInput->Op(r->d[0], Mac2HostAddr(ReadMacInt32(r->a[0])));
break;
case OP_INSTIME: // InsTime() replacement
r->d[0] = InsTime(r->a[0], r->d[1]);
break;
case OP_RMVTIME: // RmvTime() replacement
r->d[0] = RmvTime(r->a[0]);
break;
case OP_PRIMETIME: // PrimeTime() replacement
r->d[0] = PrimeTime(r->a[0], r->d[0]);
break;
case OP_MICROSECONDS: // Microseconds() replacement
Microseconds(r->a[0], r->d[0]);
break;
case OP_PUT_SCRAP: // PutScrap() patch
PutScrap(ReadMacInt32(r->a[7] + 8), Mac2HostAddr(ReadMacInt32(r->a[7] + 4)), ReadMacInt32(r->a[7] + 12));
break;
case OP_GET_SCRAP: // GetScrap() patch
GetScrap((void **)Mac2HostAddr(ReadMacInt32(r->a[7] + 4)), ReadMacInt32(r->a[7] + 8), ReadMacInt32(r->a[7] + 12));
break;
case OP_DEBUG_STR: // DebugStr() shows warning message
if (PrefsFindBool("nogui")) {
uint8 *pstr = Mac2HostAddr(ReadMacInt32(r->a[7] + 4));
char str[256];
int i;
for (i=0; i<pstr[0]; i++)
str[i] = pstr[i+1];
str[i] = 0;
WarningAlert(str);
}
break;
case OP_INSTALL_DRIVERS: { // Patch to install our own drivers during startup
// Install drivers
InstallDrivers();
// Patch MakeExecutable()
MakeExecutableTvec = FindLibSymbol("\023PrivateInterfaceLib", "\016MakeExecutable");
D(bug("MakeExecutable TVECT at %08x\n", MakeExecutableTvec));
WriteMacInt32(MakeExecutableTvec, NativeFunction(NATIVE_MAKE_EXECUTABLE));
#if defined(__powerpc__) /* Native PowerPC */
WriteMacInt32(MakeExecutableTvec + 4, (uint32)TOC);
#endif
// Patch DebugStr()
static const uint8 proc_template[] = {
M68K_EMUL_OP_DEBUG_STR >> 8, M68K_EMUL_OP_DEBUG_STR & 0xFF,
0x4e, 0x74, // rtd #4
0x00, 0x04
};
BUILD_SHEEPSHAVER_PROCEDURE(proc);
WriteMacInt32(0x1dfc, proc);
break;
}
case OP_NAME_REGISTRY: // Patch Name Registry and initialize CallUniversalProc
r->d[0] = (uint32)-1;
PatchNameRegistry();
InitCallUniversalProc();
break;
case OP_RESET: // Early in MacOS reset
D(bug("*** RESET ***\n"));
TimerReset();
MacOSUtilReset();
gMacAudio->Reset();
// Enable DR emulator (disabled for now)
if (PrefsFindBool("jit68k") && 0) {
D(bug("DR activated\n"));
WriteMacInt32(KernelDataAddr + 0x17a0, 3); // Prepare for DR emulator activation
WriteMacInt32(KernelDataAddr + 0x17c0, DR_CACHE_BASE);
WriteMacInt32(KernelDataAddr + 0x17c4, DR_CACHE_SIZE);
WriteMacInt32(KernelDataAddr + 0x1b04, DR_CACHE_BASE);
WriteMacInt32(KernelDataAddr + 0x1b00, DR_EMULATOR_BASE);
memcpy((void *)DR_EMULATOR_BASE, (void *)(ROMBase + 0x370000), DR_EMULATOR_SIZE);
MakeExecutable(0, DR_EMULATOR_BASE, DR_EMULATOR_SIZE);
}
break;
case OP_IRQ: // Level 1 interrupt
WriteMacInt16(ReadMacInt32(KernelDataAddr + 0x67c), 0); // Clear interrupt
r->d[0] = 0;
if (HasMacStarted()) {
if (InterruptFlags & INTFLAG_VIA) {
ClearInterruptFlag(INTFLAG_VIA);
#if !PRECISE_TIMING
TimerInterrupt();
#endif
ExecuteNative(NATIVE_VIDEO_VBL);
static int tick_counter = 0;
if (++tick_counter >= 60) {
tick_counter = 0;
SonyInterrupt();
DiskInterrupt();
CDROMInterrupt();
}
r->d[0] = 1; // Flag: 68k interrupt routine executes VBLTasks etc.
}
if (InterruptFlags & INTFLAG_SERIAL) {
ClearInterruptFlag(INTFLAG_SERIAL);
SerialInterrupt();
}
if (InterruptFlags & INTFLAG_ETHER) {
ClearInterruptFlag(INTFLAG_ETHER);
ExecuteNative(NATIVE_ETHER_IRQ);
}
if (InterruptFlags & INTFLAG_TIMER) {
ClearInterruptFlag(INTFLAG_TIMER);
TimerInterrupt();
}
if (InterruptFlags & INTFLAG_AUDIO) {
ClearInterruptFlag(INTFLAG_AUDIO);
gMacAudio->Interrupt();
}
if (InterruptFlags & INTFLAG_ADB) {
ClearInterruptFlag(INTFLAG_ADB);
gADBInput->Interrupt();
}
} else
r->d[0] = 1;
break;
case OP_SCSI_DISPATCH: { // SCSIDispatch() replacement
uint32 ret = ReadMacInt32(r->a[7]);
uint16 sel = ReadMacInt16(r->a[7] + 4);
r->a[7] += 6;
// D(bug("SCSIDispatch(%d)\n", sel));
int stack;
switch (sel) {
case 0: // SCSIReset
WriteMacInt16(r->a[7], SCSIReset());
stack = 0;
break;
case 1: // SCSIGet
WriteMacInt16(r->a[7], SCSIGet());
stack = 0;
break;
case 2: // SCSISelect
case 11: // SCSISelAtn
WriteMacInt16(r->a[7] + 2, SCSISelect(ReadMacInt8(r->a[7] + 1)));
stack = 2;
break;
case 3: // SCSICmd
WriteMacInt16(r->a[7] + 6, SCSICmd(ReadMacInt16(r->a[7]), Mac2HostAddr(ReadMacInt32(r->a[7] + 2))));
stack = 6;
break;
case 4: // SCSIComplete
WriteMacInt16(r->a[7] + 12, SCSIComplete(ReadMacInt32(r->a[7]), ReadMacInt32(r->a[7] + 4), ReadMacInt32(r->a[7] + 8)));
stack = 12;
break;
case 5: // SCSIRead
case 8: // SCSIRBlind
WriteMacInt16(r->a[7] + 4, SCSIRead(ReadMacInt32(r->a[7])));
stack = 4;
break;
case 6: // SCSIWrite
case 9: // SCSIWBlind
WriteMacInt16(r->a[7] + 4, SCSIWrite(ReadMacInt32(r->a[7])));
stack = 4;
break;
case 10: // SCSIStat
WriteMacInt16(r->a[7], SCSIStat());
stack = 0;
break;
case 12: // SCSIMsgIn
WriteMacInt16(r->a[7] + 4, 0);
stack = 4;
break;
case 13: // SCSIMsgOut
WriteMacInt16(r->a[7] + 2, 0);
stack = 2;
break;
case 14: // SCSIMgrBusy
WriteMacInt16(r->a[7], SCSIMgrBusy());
stack = 0;
break;
default:
printf("FATAL: SCSIDispatch: illegal selector\n");
stack = 0;
//!! SysError(12)
}
r->a[0] = ret;
r->a[7] += stack;
break;
}
case OP_SCSI_ATOMIC: // SCSIAtomic() replacement
D(bug("SCSIAtomic\n"));
r->d[0] = (uint32)-7887;
break;
case OP_CHECK_SYSV: { // Check we are not using MacOS < 8.1 with a NewWorld ROM
r->a[1] = r->d[1];
r->a[0] = ReadMacInt32(r->d[1]);
uint32 sysv = ReadMacInt16(r->a[0]);
D(bug("Detected MacOS version %d.%d.%d\n", (sysv >> 8) & 0xf, (sysv >> 4) & 0xf, sysv & 0xf));
if (ROMType == ROMTYPE_NEWWORLD && sysv < 0x0801)
r->d[1] = 0;
break;
}
case OP_NTRB_17_PATCH:
r->a[2] = ReadMacInt32(r->a[7]);
r->a[7] += 4;
if (ReadMacInt16(r->a[2] + 6) == 17)
PatchNativeResourceManager();
break;
case OP_NTRB_17_PATCH2:
r->a[7] += 8;
PatchNativeResourceManager();
break;
case OP_NTRB_17_PATCH3:
r->a[2] = ReadMacInt32(r->a[7]);
r->a[7] += 4;
D(bug("%d %d\n", ReadMacInt16(r->a[2]), ReadMacInt16(r->a[2] + 6)));
if (ReadMacInt16(r->a[2]) == 11 && ReadMacInt16(r->a[2] + 6) == 17)
PatchNativeResourceManager();
break;
case OP_NTRB_17_PATCH4:
r->d[0] = ReadMacInt16(r->a[7]);
r->a[7] += 2;
D(bug("%d %d\n", ReadMacInt16(r->a[2]), ReadMacInt16(r->a[2] + 6)));
if (ReadMacInt16(r->a[2]) == 11 && ReadMacInt16(r->a[2] + 6) == 17)
PatchNativeResourceManager();
break;
case OP_CHECKLOAD: { // vCheckLoad() patch
uint32 type = ReadMacInt32(r->a[7]);
r->a[7] += 4;
int16 id = ReadMacInt16(r->a[2]);
if (r->a[0] == 0)
break;
uint32 adr = ReadMacInt32(r->a[0]);
if (adr == 0)
break;
uint16 *p = (uint16 *)Mac2HostAddr(adr);
uint32 size = ReadMacInt32(adr - 8) & 0xffffff;
CheckLoad(type, id, p, size);
break;
}
case OP_EXTFS_COMM: // External file system routines
WriteMacInt16(r->a[7] + 14, ExtFSComm(ReadMacInt16(r->a[7] + 12), ReadMacInt32(r->a[7] + 8), ReadMacInt32(r->a[7] + 4)));
break;
case OP_EXTFS_HFS:
WriteMacInt16(r->a[7] + 20, ExtFSHFS(ReadMacInt32(r->a[7] + 16), ReadMacInt16(r->a[7] + 14), ReadMacInt32(r->a[7] + 10), ReadMacInt32(r->a[7] + 6), ReadMacInt16(r->a[7] + 4)));
break;
case OP_IDLE_TIME:
// Sleep if no events pending
if (ReadMacInt32(0x14c) == 0)
idle_wait();
r->a[0] = ReadMacInt32(0x2b6);
break;
case OP_IDLE_TIME_2:
// Sleep if no events pending
if (ReadMacInt32(0x14c) == 0)
idle_wait();
r->d[0] = (uint32)-2;
break;
default:
printf("FATAL: EMUL_OP called with bogus selector %08x\n", selector);
QuitEmulator();
break;
}
}
