encoder unit test

test/unit_tests/encoder_7/test.prsim

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+watchall
+
+system "echo '0'"
+
+set e.in[0] 0
+set e.in[1] 0
+set e.in[2] 0
+set e.in[3] 0
+set e.in[4] 0
+set e.in[5] 0
+set e.in[6] 0
+
+# set-bool-array "e.in" 7 0
+
+cycle
+# mode run
+
+# assert t.out 0
+
+system "echo '[] setting input 0 high'"
+set Reset 0
+set e.in[0] 1
+cycle
+
+system "echo '[] removing inputs'"
+set e.in[0] 0
+cycle
+
+system "echo '[] setting input 4 high'"
+set e.in[4] 1
+cycle
+
+system "echo '[] removing inputs'"
+set e.in[4] 0
+cycle
+
+system "echo '[] setting input 6 high'"
+set e.in[6] 1
+cycle
+
+system "echo '[] removing inputs'"
+set e.in[6] 0
+cycle
+
+
+
+# system "echo '[] setting input 6 high'"
+# set e.in[4] 0
+# set e.in[6] 1
+# cycle
+
+
+# assert t.out 0
+
+# system "echo '[] setting all bits high'"
+# set t.in[3] 1
+# set t.in[4] 1
+
+# cycle
+# assert t.out 1
+
+
+# system "echo '[] setting some low'"
+# set t.in[0] 0
+# set t.in[1] 0
+
+# cycle 
+# assert t.out 0
+
+
+# system "echo '[] setting all low'"
+# set t.in[2] 0
+# set t.in[3] 0
+# set t.in[4] 0
+
+# cycle 
+# assert t.out 0
+