--- BasiliskII/src/AmigaOS/main_amiga.cpp 2000/07/06 16:04:24 1.6 +++ BasiliskII/src/AmigaOS/main_amiga.cpp 2000/09/04 16:30:47 1.10 @@ -242,10 +242,22 @@ int main(void) WarningAlert(GetString(STR_SMALL_RAM_WARN)); RAMSize = 1024*1024; } - RAMBaseHost = (uint8 *)AllocMem(RAMSize + 0x100000, MEMF_PUBLIC); + RAMBaseHost = (uint8 *)AllocVec(RAMSize + 0x100000, MEMF_PUBLIC); if (RAMBaseHost == NULL) { - ErrorAlert(GetString(STR_NO_MEM_ERR)); - QuitEmulator(); + uint32 newRAMSize = AvailMem(MEMF_LARGEST) - 0x100000; + char xText[120]; + + sprintf(xText, GetString(STR_NOT_ENOUGH_MEM_WARN), RAMSize, newRAMSize); + + if (ChoiceAlert(xText, "Use", "Quit") != 1) + QuitEmulator(); + + RAMSize = newRAMSize; + RAMBaseHost = (uint8 *)AllocVec(RAMSize + 0x100000, MEMF_PUBLIC); + if (RAMBaseHost == NULL) { + ErrorAlert(GetString(STR_NO_MEM_ERR)); + QuitEmulator(); + } } RAMBaseMac = (uint32)RAMBaseHost; D(bug("Mac RAM starts at %08lx\n", RAMBaseHost)); @@ -313,6 +325,8 @@ int main(void) // Set task priority to -1 so we don't use all processing time SetTaskPri(MainTask, -1); + WriteMacInt32(0xbff, 0); // MacsBugFlags + // Swap stack to Mac RAM area stack_swap.stk_Lower = RAMBaseHost; stack_swap.stk_Upper = (ULONG)RAMBaseHost + RAMSize; @@ -347,6 +361,13 @@ void __saveds quit_emulator(void) void QuitEmulator(void) { + // Stop 60Hz thread + if (tick_proc) { + SetSignal(0, SIGF_SINGLE); + tick_proc_active = false; + Wait(SIGF_SINGLE); + } + // Restore stack if (stack_swapped) { stack_swapped = false; @@ -360,13 +381,6 @@ void QuitEmulator(void) FreeSignal(IRQSig); } - // Stop 60Hz thread - if (tick_proc) { - SetSignal(0, SIGF_SINGLE); - tick_proc_active = false; - Wait(SIGF_SINGLE); - } - // Remove trap handler MainTask->tc_TrapCode = OldTrapHandler; @@ -375,7 +389,7 @@ void QuitEmulator(void) // Delete RAM/ROM area if (RAMBaseHost) - FreeMem(RAMBaseHost, RAMSize + 0x100000); + FreeVec(RAMBaseHost); // Delete scratch memory area if (ScratchMem) @@ -453,6 +467,11 @@ void TriggerInterrupt(void) Signal(MainTask, IRQSigMask); } +void TriggerNMI(void) +{ + AsmTriggerNMI(); +} + /* * 60Hz thread @@ -495,6 +514,8 @@ static __saveds void tick_func(void) if (++tick_counter > 60) { tick_counter = 0; WriteMacInt32(0x20c, TimerDateTime()); + SetInterruptFlag(INTFLAG_1HZ); + TriggerInterrupt(); } // Trigger 60Hz interrupt @@ -608,7 +629,7 @@ void __saveds IllInstrHandler(trap_regs EmulatedSR |= 0x0700; // Call opcode routine - EmulOp(*(uint16 *)(r->pc), (M68kRegisters *)r); + EmulOp(opcode, (M68kRegisters *)r); r->pc += 2; // Restore interrupts