Make the exchange unit behave differently in the E->M and M->E
directions. This follows the explanation in chapter 13 of the Users
Handbook.
Also fix sign extension. It doesn't happen in the E->M direction and
the sign bit of a quarter is 0o400, not 0o300.
Add test cases for the RSX instruction which correspond to the
examples in the instruction definition in the Users Handbook.
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Make the exchange unit behave differently in the E->M and M->E directions. This follows the explanation in chapter 13 of the Users Handbook.
Also fix sign extension. It doesn't happen in the E->M direction and the sign bit of a quarter is 0o400, not 0o300.
Add test cases for the RSX instruction which correspond to the examples in the instruction definition in the Users Handbook.
Pull Request template
Please, fill in the following checklist when you submit a PR. The items you have done should be updated with a check mark (that is,
[x]instead of[ ]).cargo testpasses.cargo clippydoes not generate any warnings.cargo fmt.closes #XXXXin your commit message to auto-close the issue that your PR fixes.If any of the checklist items don't apply, please leave them un-checked.
PLEASE KEEP THE ABOVE IN YOUR PULL REQUEST.
closes #55 closes #54