static bool HandleHolly_err(sh4_int intpt)
{
uint interupt = (uint)(1 << ((int)((uint)intpt & (uint)InteruptType.InteruptIDMask)));
*mem.ISTERR |= interupt;
if ((*mem.IML6ERR & interupt) != 0)
{
if (Do_interupt(IPr_LVL6, 0x320, 0x600))
{
return(true);
}
}
else if ((*mem.IML4ERR & interupt) != 0)
{
if (Do_interupt(IPr_LVL4, 0x360, 0x600))
{
return(true);
}
}
else if ((*mem.IML2ERR & interupt) != 0)
{
if (Do_interupt(IPr_LVL2, 0x3a0, 0x600))
{
return(true);
}
}
return(false);
}
static bool HandleSH4_int(sh4_int intpt)
{
switch (intpt)
{
case sh4_int.sh4_in_TMU0:
return(Do_interupt((uint)(((*mem.IPRA) >> 12) & 0xf), 0x400, 0x600));
case sh4_int.sh4_in_TMU1:
return(Do_interupt((uint)(((*mem.IPRA) >> 8) & 0xf), 0x420, 0x600));
case sh4_int.sh4_in_TMU2:
return(Do_interupt((uint)(((*mem.IPRA) >> 4) & 0xf), 0x440, 0x600));
}
return(false);
}
static bool HandleSH4_exept(sh4_int expt)
{
return(false);
}
//static bool inside_int = false;
static bool check_ints()
{
if (sh4.pc_funct != 0)
{
return(false);
}
#region new code
if (pending_interups.Count == 0)
{
return(false);
}
sh4_int interupt = pending_interups.Dequeue();
InteruptType type = (InteruptType)((uint)interupt & (uint)InteruptType.InteruptTypeMask);
bool rv = false;
switch (type)
{
case InteruptType.sh4_int:
rv = HandleSH4_int(interupt);
break;
case InteruptType.sh4_exp:
rv = HandleSH4_exept(interupt);
break;
case InteruptType.holly_nrm:
rv = HandleHolly_nrm(interupt);
break;
case InteruptType.holly_ext:
rv = HandleHolly_ext(interupt);
break;
case InteruptType.holly_err:
rv = HandleHolly_err(interupt);
break;
}
if (!rv)
{
pending_interups.Enqueue(interupt);
}
return(rv);
/*
* if (((interupt >> 24) & 0xFF) != 0)
* {
* WriteLine("WARNING : OLNY INTERNAL INTERUPS ARE SUPORTED");
* return false;
* }
*
* uint* IST_reg = null, IML6_reg = null, IML4_reg = null, IML2_reg = null;
*
* uint interupt_type=(interupt >> 24) & 0xFF;
*
* switch (interupt_type)
* {
* case 0: //normal
* IST_reg = ISTNRM;
* IML6_reg = IML6NRM;
* IML4_reg = IML4NRM;
* IML2_reg = IML2NRM;
* break;
* case 1: //external
* IST_reg = ISTEXT;
* IML6_reg = IML6EXT;
* IML4_reg = IML4EXT;
* IML2_reg = IML2EXT;
* break;
* case 2: //error
* IST_reg = ISTERR;
* IML6_reg = IML6ERR;
* IML4_reg = IML4ERR;
* IML2_reg = IML2ERR;
* break;
* }
*
* interupt =(uint)( 1 << ((int)(interupt & 0xFF)));
* IST_reg |= interupt;
*
* if ((*IML6_reg & interupt) != 0)
* {
* if (intc(IPr_LVL6, interupt_type))
* return true;
* }
* else if ((*IML4_reg & interupt) != 0)
* {
* if (intc(IPr_LVL4, interupt_type))
* return true;
* }
* else if ((*IML2_reg & interupt) != 0)
* {
* if (intc(IPr_LVL2, interupt_type))
* return true;
* }
* */
#endregion
//return false;
}
public static void RaiseInterupt(sh4_int interupt)
{
pending_interups.Enqueue(interupt);
}
public void Enqueue(sh4_int obj)
{
base.Enqueue(obj);
}
