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CREATE OR TRUNCATE FILE INT21

December 25, 2012

Which register’s used by “INT 21-CREATE OR TRUNCATE FILE” to read service number and file attributes?

AH = 3Ch
CX = file attributes
DS:DX -> ASCIZ filename

CREATE OR TRUNCATE FILE INT21

CREATE OR TRUNCATE FILE INT21

Reviewed by MCH on December 25, 2012 Rating: 5

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