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| author | Kartik Agaram <vc@akkartik.com> | 2019-05-12 07:36:18 -0700 |
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| committer | Kartik Agaram <vc@akkartik.com> | 2019-05-12 07:41:34 -0700 |
| commit | 8c1a69089bcb0be8ee869a3f83c3151a7083e27c (patch) | |
| tree | 319e3b04bb5d94b0306e336dff573d6685e8d683 /subx/examples/ex5.subx | |
| parent | d5d43e044d16335a3a865a8c9f5aea5cbad73360 (diff) | |
| download | mu-8c1a69089bcb0be8ee869a3f83c3151a7083e27c.tar.gz | |
snapshot of carry flag implementation
Tests failing. This approach seems wrong. I'm not sure even the tests are correct. Also, some open questions: 1. Should setting the overflow flag always set the carry flag? 2. Should the carry flag only be set on add/subtract/compare, or by all arithmetic ops? 3. Had to turn off the -ftrapv flag in `build`. Is there a way to detect overflow without actually causing overflow? Once we start setting CF correctly we have to implement jump above/below instructions (8- and 32-bit displacement variants). https://github.com/akkartik/mu/issues/30
Diffstat (limited to 'subx/examples/ex5.subx')
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