1 |
|
/* |
2 |
|
* emul_op.cpp - 68k opcodes for ROM patches |
3 |
|
* |
4 |
< |
* Basilisk II (C) 1997-1999 Christian Bauer |
4 |
> |
* Basilisk II (C) 1997-2000 Christian Bauer |
5 |
|
* |
6 |
|
* This program is free software; you can redistribute it and/or modify |
7 |
|
* it under the terms of the GNU General Public License as published by |
84 |
|
D(bug("*** RESET ***\n")); |
85 |
|
TimerReset(); |
86 |
|
EtherReset(); |
87 |
+ |
AudioReset(); |
88 |
|
|
89 |
|
// Create BootGlobs at top of memory |
90 |
< |
memset((void *)(RAMBaseHost + RAMSize - 4096), 0, 4096); |
90 |
> |
Mac_memset(RAMBaseMac + RAMSize - 4096, 0, 4096); |
91 |
|
uint32 boot_globs = RAMBaseMac + RAMSize - 0x1c; |
92 |
|
WriteMacInt32(boot_globs + 0x00, RAMBaseMac); // First RAM bank |
93 |
|
WriteMacInt32(boot_globs + 0x04, RAMSize); |
411 |
|
break; |
412 |
|
} |
413 |
|
|
413 |
– |
case M68K_EMUL_OP_MEMORY_DISPATCH: { // MemoryDispatch() replacement routine |
414 |
– |
int16 sel = r->d[0]; |
415 |
– |
D(bug("MemoryDispatch(%d)\n", sel)); |
416 |
– |
switch (sel) { |
417 |
– |
case -6: // GetLogicalRAMSize |
418 |
– |
r->d[0] = RAMSize; |
419 |
– |
break; |
420 |
– |
case -3: |
421 |
– |
r->d[0] = 0x1000; |
422 |
– |
break; |
423 |
– |
case 0: // HoldMemory |
424 |
– |
case 1: // UnholdMemory |
425 |
– |
case 2: // LockMemory |
426 |
– |
case 3: // UnlockMemory |
427 |
– |
case 4: // LockMemoryContiguous |
428 |
– |
case 6: // ProtectMemory |
429 |
– |
case 7: // UnprotectMemory |
430 |
– |
r->d[0] = 0; |
431 |
– |
break; |
432 |
– |
default: |
433 |
– |
printf("WARNING: MemoryDispatch(%d): unimplemented selector\n", sel); |
434 |
– |
r->d[0] = (uint32)-502; |
435 |
– |
break; |
436 |
– |
} |
437 |
– |
break; |
438 |
– |
} |
439 |
– |
|
414 |
|
case M68K_EMUL_OP_IRQ: // Level 1 interrupt |
415 |
|
r->d[0] = 0; |
416 |
+ |
|
417 |
|
if (InterruptFlags & INTFLAG_60HZ) { |
418 |
|
ClearInterruptFlag(INTFLAG_60HZ); |
419 |
|
if (HasMacStarted()) { |
422 |
|
ADBInterrupt(); |
423 |
|
TimerInterrupt(); |
424 |
|
VideoInterrupt(); |
450 |
– |
SonyInterrupt(); |
451 |
– |
DiskInterrupt(); |
452 |
– |
CDROMInterrupt(); |
425 |
|
|
426 |
|
// Call DoVBLTask(0) |
427 |
|
if (ROMVersion == ROM_VERSION_32) { |
433 |
|
r->d[0] = 1; // Flag: 68k interrupt routine executes VBLTasks etc. |
434 |
|
} |
435 |
|
} |
436 |
+ |
|
437 |
+ |
if (InterruptFlags & INTFLAG_1HZ) { |
438 |
+ |
ClearInterruptFlag(INTFLAG_1HZ); |
439 |
+ |
|
440 |
+ |
if (HasMacStarted()) { |
441 |
+ |
SonyInterrupt(); |
442 |
+ |
DiskInterrupt(); |
443 |
+ |
CDROMInterrupt(); |
444 |
+ |
} |
445 |
+ |
} |
446 |
+ |
|
447 |
|
if (InterruptFlags & INTFLAG_SERIAL) { |
448 |
|
ClearInterruptFlag(INTFLAG_SERIAL); |
449 |
|
SerialInterrupt(); |
450 |
|
} |
451 |
+ |
|
452 |
|
if (InterruptFlags & INTFLAG_ETHER) { |
453 |
|
ClearInterruptFlag(INTFLAG_ETHER); |
454 |
|
EtherInterrupt(); |
455 |
|
} |
456 |
+ |
|
457 |
|
if (InterruptFlags & INTFLAG_AUDIO) { |
458 |
|
ClearInterruptFlag(INTFLAG_AUDIO); |
459 |
|
AudioInterrupt(); |