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* snapshot of carry flag implementationKartik Agaram2019-05-121-1/+1
| | | | | | | | | | | | | | | | | | 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
* 4970Kartik Agaram2019-02-151-4/+4
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* 4403Kartik Agaram2018-07-251-0/+2
| | | | | | Couple of improvements for the tangle/ directory: a) Start running tangle unit tests at build time again. b) Option to print out test names as they run, just like in top-level.
* 4288Kartik Agaram2018-06-281-0/+1
| | | | Give subx too the recent support for running a single test.
* 4013Kartik K. Agaram2017-10-111-3/+3
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* 3930 - experimental bytecode interpreterKartik K. Agaram2017-06-191-0/+106