DOS INTERNAL SERVICES - Position File Pointer                 

Input

DOS1 N DOS2 N

DOS3

Y DOS5 Y

Output

AX

12h 28h  New Offset (Low) / Error Code AX

BX

 File Handle     BX

CX

 Offset (Low)     CX

DX

 Offset (High) New Offset (High) DX

BP

 Seek Code (as per call 42h) Set if Error CF
 


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