Condition Register Logical instruction checks

> *Originally Gitea issue #7 by `jfng` (gitea) on 2022-04-11*

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Condition Register Logical instruction checks
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Instructions
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XL-form:
- `crand`
- `crnand`
- `cror`
- `crxor`
- `crnor`
- `creqv`
- `crandc`
- `crorc`
- `movcrf`

CR access
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Read/Write:
- all