Configure logical and physical memory usage. Amount of memory to claim automatically, in bytes, or -1 to read current value. The size of address space to allocate. The amount of memory to claim, in bytes. The amount of memory to leave free, in bytes.
Interrupt status is undefined.
Fast interrupts are enabled. Processor is in SVC mode. This call provides control over how much real memory to claim, and how much to leave free. These values are only treated as guidelines. In particular the user may drag the bar in the Task Manager or the specified values may lie outside the range of required or useful memory.