Category: DOS extenders
Flags: available only in protected mode
INT 21 - Phar Lap 386/DOS-Extender - VIRTUAL MEMORY MANAGEMENT - PAGE LOCKING AX = 252Bh BH = function 05h lock pages 06h unlock pages BL = address type 00h linear address ECX = linear start address of memory region 01h segmented address ES:ECX -> start of memory region EDX = size of memory region in bytes Return: CF clear if successful CF set on error Note: this function is also supported by FlashTek X-32VM; if X-32 is not using virtual memory, this function always succeeds