private int getValue(uint target)
{
bool isMemLocation = (CPUBasic.FLAG_MEM_OR_NUM & target) > 0;
bool isJump = (CPUBasic.FLAG_JUMP_ADDRESS & target) > 0;
bool isBitAccess = (CPUBasic.FLAG_BIT_ACCESS & target) > 0;
uint len = (CPUBasic.FLAG_BITFIELD_VAL & target) >> 20;
CPUBasic.eMemRange witchMem = (CPUBasic.FLAG_MEM_MARKER & target) > 0 ? CPUBasic.eMemRange.MARKER : CPUBasic.eMemRange.NONE;
witchMem = (CPUBasic.FLAG_MEM_OUTPUT & target) > 0 ? CPUBasic.eMemRange.OUTPUT : witchMem;
witchMem = (CPUBasic.FLAG_MEM_INPUT & target) > 0 ? CPUBasic.eMemRange.INPUT : witchMem;
int value = 0;
if (isMemLocation)
{
value = (int)(CPUBasic.FLAG_MEMADR & target);
}
else
{
value = (int)target;
}
int memValue = getValueMem(isBitAccess, witchMem, value, (int)len);
return(memValue);
}
private int getValueMem(bool isBit, CPUBasic.eMemRange range, int targetVal, int bitfield)
{
int akkuVal = 0;
switch (range)
{
case CPUBasic.eMemRange.MARKER:
if (isBit)
{
akkuVal = m_byaMarkerMemory[targetVal] & CPUBasic.BITVALUES[bitfield];
}
else
{
for (int i = 0; i < bitfield; i++)
{
akkuVal |= m_byaMarkerMemory[targetVal + i] << (i * 8);
}
}
break;
case CPUBasic.eMemRange.OUTPUT:
if (isBit)
{
akkuVal = m_byaOutputMemory[targetVal] & CPUBasic.BITVALUES[bitfield];
}
else
{
for (int i = 0; i < bitfield; i++)
{
akkuVal |= m_byaOutputMemory[targetVal + i] << (i * 8);
}
}
break;
case CPUBasic.eMemRange.INPUT:
if (isBit)
{
akkuVal = m_byaInputMemory[targetVal] & CPUBasic.BITVALUES[bitfield];
}
else
{
for (int i = 0; i < bitfield; i++)
{
akkuVal |= m_byaInputMemory[targetVal + i] << (i * 8);
}
}
break;
}
return(akkuVal);
}
