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--- intro_example:standard_sim [2025/05/14 18:31] – rajit
+++ intro_example:standard_sim [2025/05/14 18:40] (current) – rajit
@@ Line 47: / Line 47: @@
 [                 140] <t1>  Source 0: Sequence ended.
 [                 140] <t2>  Sink 0: Received value 55 (0x37)
+</code>
+Instead of using a hard-coded set of values in the the test environment, the standard simulation library also provides a mechanism to read values from a file.  Using:
+<code act>
+sim::source_file<32 /* bit-width */,
+/* file ID */,
+                    false /* don't loop file contents */,
+/* source ID */,
+                    false /* turn off verbose logs */>
+            t1(b.I);
+</code>
+instead of a ''source_sequence'', gets the data values from a file ''_infile_.0'' (0 is the file ID).
+<file txt _infile_.0>
+x493
+x29
+x3
+</file>
+The result is:
+<code>
+$ actsim -p test etest.act
+WARNING: source_file<32,0,f,0,f>: substituting chp model (requested prs, not found)
+WARNING: buffer<>: substituting chp model (requested prs, not found)
+WARNING: sink<32,0,t>: substituting chp model (requested prs, not found)
+actsim> cycle
+[                  50] <t2>  Sink 0: Received value 1173 (0x495)
+[                  70] <t2>  Sink 0: Received value 43 (0x2b)
+[                  90] <t2>  Sink 0: Received value 5 (0x5)
+[                 110] <t1>  Source 0: Input file #0 ended.
+[                 110] <t2>  Sink 0: Received value 6 (0x6)
 </code>