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- (********************************************************************)
- (* THIS PROCEDURE WILL READ THE SERIAL CHANNELS RECV FLOW CONTROL *)
- (* AND CONTROL COUNTS FOR ON AND OFF CONTROL *)
- (* INPUT : Ser_Chan : INTEGER *)
- (* INPUT/OUTPUT : NONE *)
- (* OUTPUT : Xmit_Flow : BYTE, On_Count, Off_Count : INTEGER *)
- (* USES : NO SIDE EFFECTS *)
- (* CALLS : INTR *)
- (* ERRORS : NONE *)
- (* GLOBAL VARS : NONE *)
- (* SUBJECT : SER COMM, READ RECV FLOW CONTROL *)
- (* DOMAIN : ARNO A. KARNER LEVEL : 001 *)
- (********************************************************************)
-
- PROCEDURE Read_Recv_Flow ( Ser_Chan : INTEGER ;
- VAR Xmit_Flow : BYTE ;
- VAR On_Count : INTEGER;
- VAR Off_Count : INTEGER );
-
- VAR
- Regs : Reg;
-
- BEGIN (* PROC *)
- Regs.AH := 13;
- Regs.DX := Ser_Chan;
- INTR ( 20, Regs );
- Xmit_Flow := Regs.AL;
- Off_Count := Regs.BX;
- On_Count := Regs.CX;
- END ; (* PROC *)