[<<Previous Entry]
[^^Up^^]
[Next Entry>>]
[Menu]
[About The Guide]
Int 21 Fn 250E P - Phar Lap 386/dos-extender - Call Real-mode Procedure [E]
AX = 250Eh
EBX = CS:IP of real-mode procedure to call
ECX = number of two-byte words to copy from protected-mode stack
to real-mode stack
Return: CF clear if successful
all segment registers unchanged
all general registers contain values set by real-mode procedure
all other flags set as they were left by real-mode procedure
stack unchanged
CF set on error
EAX = error code
01h not enough real-mode stack space
Note: this function is also supported by FlashTek X-32VM; under X-32VM, the
call will fail if ECX > 0000003Fh
See Also: AX=250Dh,AX=2510h,AH=E1h"OS/286",INT 31/AX=0301h
This page created by ng2html v1.05, the Norton guide to HTML conversion utility.
Written by Dave Pearson