// Check for interrupts
STATIC_INLINE void m68ki_check_interrupts(void)
{
#if 0
if(CPU_INT_LEVEL > FLAG_INT_MASK)
m68ki_exception_interrupt(CPU_INT_LEVEL>>8);
#else
if (regs.intLevel > regs.intmask)
m68ki_exception_interrupt(regs.intLevel);
#endif
}
/* ASG: rewrote so that the int_level is a mask of the IPL0/IPL1/IPL2 bits */
void m68k_set_irq(unsigned int intLevel)
{
#if 0
uint old_level = CPU_INT_LEVEL;
CPU_INT_LEVEL = int_level << 8;
/* A transition from < 7 to 7 always interrupts (NMI) */
/* Note: Level 7 can also level trigger like a normal IRQ */
if(old_level != 0x0700 && CPU_INT_LEVEL == 0x0700)
m68ki_exception_interrupt(7); /* Edge triggered level 7 (NMI) */
else
m68ki_check_interrupts(); /* Level triggered (IRQ) */
#else
int oldLevel = regs.intLevel;
regs.intLevel = intLevel;
// A transition from < 7 to 7 always interrupts (NMI)
// Note: Level 7 can also level trigger like a normal IRQ
if (oldLevel != 0x07 && regs.intLevel == 0x07)
m68ki_exception_interrupt(7); // Edge triggered level 7 (NMI)
else
m68ki_check_interrupts(); // Level triggered (IRQ)
#endif
}
/* ASG: rewrote so that the int_level is a mask of the IPL0/IPL1/IPL2 bits */
void m68k_set_irq2(unsigned int intLevel)
{
// pthread_mutex_lock(&executionLock);
// printf("m68k_set_irq: Could not get the lock!!!\n");
int oldLevel = regs.intLevel;
regs.intLevel = intLevel;
// A transition from < 7 to 7 always interrupts (NMI)
// Note: Level 7 can also level trigger like a normal IRQ
if (oldLevel != 0x07 && regs.intLevel == 0x07)
m68ki_exception_interrupt(7); // Edge triggered level 7 (NMI)
else
m68ki_check_interrupts(); // Level triggered (IRQ)
// pthread_mutex_unlock(&executionLock);
}