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* 7490 - baremetal: draw a grapheme to screenKartik Agaram2021-01-091-0/+2
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* 7441Kartik Agaram2020-12-281-1/+1
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* 7231Kartik Agaram2020-11-121-2/+2
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* 6895Kartik Agaram2020-09-281-0/+2
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* 6595Kartik Agaram2020-06-291-26/+26
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* 6507 - use syscall names everywhereKartik Agaram2020-06-101-18/+9
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* all syntax sugar now workingKartik Agaram2020-05-181-12/+36
| | | | | | | | I just needed to adjust row-sizes when accessing the Registers table. This commit dedicated to a fun hour on https://hn.town.siempre.io. Thanks Cyrus! (via https://news.ycombinator.com/item?id=22818300)
* 6089Kartik Agaram2020-03-061-8/+8
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* 5924Kartik Agaram2020-01-271-24/+24
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* 5897 - rename comparison instructionsKartik Agaram2020-01-161-48/+48
| | | | | | | Signed and unsigned don't quite capture the essence of what the different combinations of x86 flags are doing for SubX. The crucial distinction is that one set of comparison operators is for integers and the second is for addresses.
* 5883 - drop the `ref` keywordKartik Agaram2020-01-121-12/+12
| | | | | | | | | | When I created it I was conflating two things: a) needing to refer to just the start, rather than the whole, and b) counting indirections. Both are kinda ill-posed. Now Mu will have just `addr` and `handle` types. Normal types will translate implicitly to `addr` types, while `handle` will always require explicit handling.
* 5876 - address -> addrKartik Agaram2020-01-031-10/+10
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* 5804Kartik Agaram2019-12-081-23/+24
| | | | | Try to make the comments consistent with the type system we'll eventually have.
* 5790Kartik Agaram2019-12-051-62/+62
| | | | | | Standardize conventions for labels within objects in the data segment. We're going to use this in a new tool.
* 5752Kartik Agaram2019-11-181-16/+0
| | | | | | | Support binary operations with reg/mem and reg operands. Everything is passing. However, the self-hosting translator now generates some discrepancies compared to the C++ translator :(
* 5715Kartik Agaram2019-10-261-2/+2
| | | | | | | Clean up pseudocode to match planned syntax for the type- and memory-safe level-2 Mu language. http://akkartik.name/post/mu-2019-2 is already out of date.
* 5714Kartik Agaram2019-10-251-128/+62
| | | | Replace calculations of constants with labels.
* 5700Kartik Agaram2019-10-171-1/+1
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* 5698Kartik Agaram2019-10-151-109/+109
| | | | Thanks Andrew Owen for reporting this typo.
* 5678Kartik Agaram2019-09-191-82/+82
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* 5675 - move helpers from subx-common into layersKartik Agaram2019-09-191-1/+1
| | | | | | | | | | | | | | | | This undoes 5672 in favor of a new plan: Layers 000 - 099 are for running without syntax sugar. We use them for building syntax-sugar passes. Layers 100 and up are for running with all syntax sugar. The layers are arranged in approximate order so more phases rely on earlier layers than later ones. I plan to not use intermediate syntax sugar (just sigils without calls, or sigils and calls without braces) anywhere except in the specific passes implementing them.
* 5668 - start reorg to permit syntax sugar in layersKartik Agaram2019-09-191-5/+5
| | | | | | | | | | | | | | | | | | | Right now we always build the library before any apps. Apps are where our syntax sugar translators (sigils, calls, braces) live. So we can't use sugar in the standard library. New idea: move all code for SubX phases into the top-level. Perhaps we should also just build a single file rather than pipeline stages. But for now we'll build each phase by building up to some specific layer. This will simplify test_apps and move lots of one-off logic to a more standard form in test_layers. I'm also going to reorg existing layers so that we introduce each phase at a point where it mostly only gets the helpers it needs. This commit itself is just cleaning up some common strings. Using explicit names for them streamlines binaries a bit.
* 5661Kartik Agaram2019-09-151-1/+1
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* 5625Kartik Agaram2019-09-051-5/+5
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* 5620Kartik Agaram2019-09-041-6/+5
| | | | | | Further flesh out next-word variant for calls.subx. All the code is sketched out, and baseline tests pass. No tests yet for new functionality compared to sigils.subx.
* 5616Kartik Agaram2019-09-041-327/+0
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* 5613Kartik Agaram2019-09-031-17/+33
| | | | | Translating common bits from sigils.subx expression-aware variant of next-word to use sigils in calls.subx.
* 5607Kartik Agaram2019-09-011-2/+2
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* 5606Kartik Agaram2019-09-011-0/+2
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* 5605 - sigils: support *disp32Kartik Agaram2019-09-011-4/+241
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* 5604Kartik Agaram2019-09-011-7/+7
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* 5603Kartik Agaram2019-09-011-12/+12
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* 5602Kartik Agaram2019-09-011-66/+75
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* 5601Kartik Agaram2019-08-311-68/+68
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* 5600Kartik Agaram2019-08-311-9/+11
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* 5599 - sigils: support metadata in %reg and *regKartik Agaram2019-08-311-3/+176
| | | | | We already support metadata after *(...) No plans to support metadata _inside_ *(...)
* 5595 - support ebp and esp in sigilsKartik Agaram2019-08-311-0/+173
| | | | The x86 instruction set carves out exceptions for these registers.
* 5594 - rename 'desugar' to 'sigils'Kartik Agaram2019-08-311-0/+4439
There's going to be multiple forms of syntax sugar going forward.