1OPTINLINE void applyMemoryHoles(uint_32 *realaddress, byte *nonexistant)
2{
3	if (*realaddress >= LOW_MEMORYHOLE_END) //1MB+?
4	{
5		if ((*realaddress >= MID_MEMORYHOLE_START) && (*realaddress < MID_MEMORYHOLE_END)) //15-16M ISA memory hole?
6		{
7			*nonexistant = 1; //Non-existant memory!
8		}
9		else if (*realaddress<MID_MEMORYHOLE_START) //Mid memory(IBM AT memory range)?
10		{
11			*realaddress -= (LOW_MEMORYHOLE_END - LOW_MEMORYHOLE_START); //Patch to less memory to make memory linear!
12		}
13		else if (!((*realaddress>=MID_MEMORYHOLE_END) && (*realaddress<HIGH_MEMORYHOLE_START))) //Not High memory hole(32-bit memory range)?
14		{
15			*nonexistant = 1; //Non-existant memory!
16		}
17		else //High memory?
18		{
19			*realaddress -= (LOW_MEMORYHOLE_END - LOW_MEMORYHOLE_START)+(MID_MEMORYHOLE_END - MID_MEMORYHOLE_START); //Patch to less memory to make memory linear!			
20		}
21	}
22	else if (*realaddress >= LOW_MEMORYHOLE_START) //640K ISA memory hole addressed?
23	{
24		*nonexistant = 1; //Non-existant memory!
25	}
26}

1//Memory hole start/end locations!
2#define LOW_MEMORYHOLE_START 0xA0000
3#define LOW_MEMORYHOLE_END 0x100000
4#define MID_MEMORYHOLE_START 0xF00000
5#define MID_MEMORYHOLE_END 0x1000000
6#define HIGH_MEMORYHOLE_START 0xC0000000