INT 21 - DOS Internal - SET PSP SEGMENT                    

Input

DOS1 N DOS2 Y

DOS3

Y DOS5 Y

Output

AX

50h       AX

BX

 Segment of New PSP     BX

CX

        CX

DX

        DX

ES:DI

    CF
Note:   Under DOS 2.xx, this function cannot be invoked inside an
        INT 28h handler without setting the Critical Error flag

See Also 51h 26h 55h 62h PSP


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