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- ******************************************************************
- * REQEX.SCR - Request Exclusive access to port LPT1
- * uses GENDRV.SYS for request exclusive IDC request.
- ******************************************************************
- @Thread reqex.log
- @NewAlias ex gen.gra
-
- * Open GENDRV.SYS
- ex gen_open
-
- * Open LPT1
- ex gen_opendriver testdriver="LPT1"
-
- * Request exclusive access. (AX=0 (EXCLUSIVE ACCESS), BX=1 (WAIT FOR
- * EXCLUSIVE ACCESS), CX=0 (LPT!=0, LPT2=1, LPT3=2, ...), DX=UNUSED)
- ex gen_callreg axreg=0 bxreg=1 cxreg=0 dxreg=0
-
- ex response $PROMPT="HAVE EXLUSIVE ACCESS" $pause=120
-
- * Release exclusive access. (AX=1 (RELEASE), BX=UNUSED,
- * CX=LPT1, DX=UNUSED)
- ex gen_callreg axreg=1 bxreg=0 cxreg=0 dxreg=0
-