p1076_chap_04

P1076_chap_04

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Unformatted text preview: he relationship, if any, between values read from and written to multiple file objects that are associated with the same external file. An implementation may restrict the number of file objects that may be are19 associated at one time with a given external file. If a formal subprogram parameter is of the class file, it must be associated with an actual that is a file object. Examples: type IntegerFile is file of INTEGER; 19. IR1000.4.7. Clause 4 Copyright 2000, IEEE. All rights reserved. This is an unapproved IEEE Standards Draft, subject to change. 63 IEEE Std P1076a-1999 2000/D3 IEEE STANDARD VHDL file F1: IntegerFile; file F2: IntegerFile is "test.dat"; -- No implicit FILE_OPEN is performed -- during elaboration. ----At elaboration, an implicit call is performed: FILE_OPEN (F2, "test.dat"); The OPEN_KIND parameter defaults to READ_MODE. file F3: IntegerFile open WRITE_MODE is "test.dat"; -- At elaboration, an implicit call is performed: -- FILE_OPEN (F3, "test.dat", WRITE_MODE...
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This note was uploaded on 09/09/2009 for the course EECS 318 taught by Professor Saab during the Fall '01 term at Case Western.

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