public void releasePage(page page, RAM ram)
{
page.valid = false;
ram.frameList[page.frameNumber].available = true;
for (int i = page.ramBaseAddress; i < page.ramBaseAddress + 128; i++)
{
ram.data[i] = -1;
}
}
public void pageLoadRam(Disk disk, page page, RAM ram)
{
int index = ram.getFreeFrame();
if (index == ram.frameList.Length)
{
return; //no available memory
}
page.frameNumber = index;
page.ramBaseAddress = ram.frameList[index].startAddress;
ram.frameList[index].available = false;
int ramPointer = ram.frameList[index].startAddress;
int diskPointer = page.diskBaseAddress;
for (int i = 0; i < 128; i++)
{
ram.data[ramPointer] = disk.data[diskPointer];
ramPointer++;
diskPointer++;
}
page.valid = true;
}
public void requestPageLoad(Disk disk, RAM ram, page page)
{
pageLoadRam(disk, page, ram);
}