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* switch to new syntax for segment headers in C++Kartik Agaram2019-05-1813-21/+22
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* 5102Kartik Agaram2019-04-164-5/+5
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* 5099Kartik Agaram2019-04-161-4/+4
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* 5084Kartik Agaram2019-04-113-3/+3
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* 5037Kartik Agaram2019-03-292-3/+3
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* 5011Kartik Agaram2019-03-202-2/+2
| | | | | | | New convention: compare 'with' for asymmetric comparisons (greater or lesser than), and compare 'and' for symmetric comparisons. Worth making this distinction even though the opcodes are identical; when we compare 'with', the order of operands is significant.
* 5009Kartik Agaram2019-03-201-1/+1
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* 4981 - no, go back to 3 phasesKartik Agaram2019-02-183-3/+4
| | | | | | | | | | | | | Considering how much trouble a merge phase would be (commit 4978), it seems simpler to just add the extra syntax for controlling the entry point of the generated ELF binary. But I wouldn't have noticed this if I hadn't taken the time to write out the commit messages of 4976 and 4978. Even if we happened to already have linked list primitives built, this may still be a good idea considering that I'm saving quite a lot of code in duplicated entrypoints.
* 4973Kartik Agaram2019-02-155-12/+13
| | | | | Support immediate operands in the data segment in all the ways we support them in the code segment.
* 4963Kartik Agaram2019-02-143-6/+6
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* 4961Kartik Agaram2019-02-145-67/+73
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* 4923Kartik Agaram2019-01-122-1/+1
| | | | | We want slice-equal? for length-prefixed strings, not null-terminated "kernel" strings.
* 4893Kartik Agaram2018-12-3012-24/+24
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* 4888Kartik Agaram2018-12-298-13/+13
| | | | We only can't use rm32=5 when mod=0. Totally fine when it's mod=1.
* 4886Kartik Agaram2018-12-281-1/+1
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* 4881Kartik Agaram2018-12-284-4/+4
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* 4847Kartik Agaram2018-12-064-4/+4
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* 4824Kartik Agaram2018-12-032-9/+9
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* 4819Kartik Agaram2018-12-021-3/+3
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* 4818Kartik Agaram2018-12-021-2/+2
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* 4817Kartik Agaram2018-12-021-1/+1
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* 4808 - clean up comments in all subx filesKartik Agaram2018-11-3012-80/+83
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* 4802Kartik Agaram2018-11-3012-118/+118
| | | | | | | | | | | | | | | | Some automated commenting cleanup. Still needs more careful manual scanning. sed -i 's/^# 1-3/# . 1-3/' *.subx */*.subx sed -i 's/^# op/# . op/' *.subx */*.subx sed -i 's/# vim/# . . vim/' *.subx */*.subx sed -i 's/^ # push args/ # . . push args/' *.subx */*.subx sed -i 's/^ # discard args/ # . . discard args/' *.subx */*.subx sed -i 's/^ # call/ # . . call/' *.subx */*.subx sed -i 's/^ # prolog/ # . prolog/' *.subx */*.subx sed -i 's/^ # epilog/ # . epilog/' *.subx */*.subx sed -i 's/^ # save registers/ # . save registers/' *.subx */*.subx sed -i 's/^ # restore registers/ # . restore registers/' *.subx */*.subx sed -i 's/ operand / register /' *.subx */*.subx
* 4801Kartik Agaram2018-11-3010-460/+460
| | | | Reindent all SubX code to make some room for the new comment style.
* 4792Kartik Agaram2018-11-281-2/+2
| | | | Thanks Pelle Hjek for the feedback: http://arclanguage.org/item?id=20870
* 4780Kartik Agaram2018-11-2610-1/+11
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* 4757Kartik Agaram2018-11-204-40/+40
| | | | | | Let's start highlighting all global variables in Red. Assembly programming has a tendency to over-use them. They're a necessary evil, but we should minimize the number of functions that access them.
* 4731Kartik Agaram2018-10-281-3/+3
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* 4698Kartik Agaram2018-10-146-27/+27
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* 4669Kartik Agaram2018-10-055-50/+40
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* 4668Kartik Agaram2018-10-0512-76/+76
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* 4667Kartik Agaram2018-10-056-96/+98
| | | | | Standardize on hyphens in all names. And we'll use colons for namespacing labels in functions.
* 4662Kartik Agaram2018-10-0512-9/+15
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* 4661Kartik Agaram2018-10-0412-0/+0
| | | | | Make segment management a little more consistent between initial segments and add-on segments (using `mmap`).
* 4655Kartik Agaram2018-10-021-2/+2
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* 4650Kartik Agaram2018-10-024-21/+21
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* 4646Kartik Agaram2018-10-011-1/+1
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* 4644Kartik Agaram2018-10-0115-84/+84
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* 4643Kartik Agaram2018-10-012-11/+11
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* 4641Kartik Agaram2018-10-012-52/+53
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* 4639Kartik Agaram2018-10-0112-36/+36
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* 4624Kartik Agaram2018-09-3012-12/+12
| | | | | | | | Start requiring a '-o' flag to designate the output binary when translating. Things currently get funky if you pass in multiple inputs, but that's ok. This is the first step to supporting multiple input files for a single output binary.
* 4622Kartik Agaram2018-09-302-20/+0
| | | | | When I started SubX I imagined that being able to write machine code directly was a feature. Now it's just a hole I haven't bothered closing yet.
* 4619 - new syscall: mmap()Kartik Agaram2018-09-292-0/+43
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* 4618Kartik Agaram2018-09-291-0/+5
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* 4616 - fix subx/examples/ex7Kartik Agaram2018-09-291-0/+0
| | | | | | | | | It was broken since I added support for global variables, back on Sep 1. One other subtle thing I've improved is the name `looks_like_hex_int`. We can now distinguish in the pack-operands transform between ignoring 'foo' because it doesn't look like a number, and immediately flagging '0xfoo' as an error because it *should* be a number.
* 4615Kartik Agaram2018-09-291-0/+0
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* 4518Kartik Agaram2018-09-242-9/+41
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* 4517Kartik Agaram2018-09-241-4/+4
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* 4516Kartik K. Agaram2018-09-248-56/+66
| | | | | | | More calling convention tweaks. Use EBP to get consistently at parameters and locals. Always put the first function argument closest to EBP.
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