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The comparing mechanism of the HardwareSimulator fails when the formatting of the .cmp file is not identical.
= = = = = Minimal working example = = = = =
The following configuration works as expected.
AndMuxOr.hdl
CHIP AndMuxOr {
IN a, b, sel;
OUT out;
PARTS:
And (a=a, b=b, out=andOut);
Or (a=a, b=b, out=orOut);
Mux (a=andOut, b=orOut, sel=sel, out=out);
}
AndMuxOr.tst
load AndMuxOr.hdl,
output-file AndMuxOr.out,
compare-to AndMuxOr.cmp,
output-list a b sel out;
set a 0, set b 0, set sel 0, eval, output;
set a 0, set b 0, set sel 1, eval, output;
set a 0, set b 1, set sel 0, eval, output;
set a 0, set b 1, set sel 1, eval, output;
set a 1, set b 0, set sel 0, eval, output;
set a 1, set b 0, set sel 1, eval, output;
set a 1, set b 1, set sel 0, eval, output;
set a 1, set b 1, set sel 1, eval, output;
AndMuxOr.cmp
| a | b |sel|out|
| 0 | 0 | 0 | 0 |
| 0 | 0 | 1 | 0 |
| 0 | 1 | 0 | 0 |
| 0 | 1 | 1 | 1 |
| 1 | 0 | 0 | 0 |
| 1 | 0 | 1 | 1 |
| 1 | 1 | 0 | 1 |
| 1 | 1 | 1 | 1 |
= = = = = = = = = = = = = = = = = = = = =
Altering the latter to (what is way more convenient to produce using [1])
|a|b|sel|out|
|0|0|0|0|
|0|0|1|0|
|0|1|0|0|
|0|1|1|1|
|1|0|0|0|
|1|0|1|1|
|1|1|0|1|
|1|1|1|1|
fails with comparison failure at line 1.
I recommend altering the comparison mechanism to something like the ''.join(string.split()) operation in python.
Thanks a lot!
Cheers,
Stephan
[1] echo \|a\|b\|sel\|out\|;for i in {0..1}{0..1}{0..1};do echo \|${i:0:1}\|${i:1:1}\|${i:2:2}\|\|;done and fill out the blanks.
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