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A few further small edits to README.

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Chris Pressey 2019-04-10 12:29:59 +01:00
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README.md
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@ -49,12 +49,9 @@ many ridiculous silly errors at compile time.
### Low level ### Low level
Many of SixtyPical's primitive instructions resemble Many of SixtyPical's primitive instructions resemble those of the
those of the 6502 CPU — in fact it is intended to be compiled to [MOS Technology 6502][] — it is in fact intended to be compiled to 6502
6502 machine code — but along with these instructions are machine code. However, it also does provide some "higher-level" operations
constructs which ease structuring and analyzing the code.
However, SixtyPical also does provide some "higher-level" operations
based on common 8-bit machine-language programming idioms, including based on common 8-bit machine-language programming idioms, including
* copying values from one register to another (via a third register when * copying values from one register to another (via a third register when
@ -83,7 +80,7 @@ it conforms to it. It can detect common mistakes such as
Unlike most languages, in SixtyPical the programmer must manage memory very Unlike most languages, in SixtyPical the programmer must manage memory very
explicitly, selecting the registers and memory locations to store all data in. explicitly, selecting the registers and memory locations to store all data in.
So, unlike a C compiler such as [cc65][], a SixtyPical compiler doesn't need So, unlike a C compiler such as [cc65][], a SixtyPical compiler doesn't need
to generate code to handle [call stack management][] or [register allocation][]. to generate code to handle [calling conventions][] or [register allocation][].
This results in smaller (and thus faster) programs. This results in smaller (and thus faster) programs.
The flagship demo, a minigame for the Commodore 64, compiles to The flagship demo, a minigame for the Commodore 64, compiles to
@ -118,9 +115,10 @@ and a reference implementation written in Python.
* [Output formats supported by `sixtypical`](doc/Output%20Formats.md) * [Output formats supported by `sixtypical`](doc/Output%20Formats.md)
* [TODO](TODO.md) * [TODO](TODO.md)
[MOS Technology 6520]: https://en.wikipedia.org/wiki/MOS_Technology_6502
[effect system]: https://en.wikipedia.org/wiki/Effect_system [effect system]: https://en.wikipedia.org/wiki/Effect_system
[abstractly interprets]: https://en.wikipedia.org/wiki/Abstract_interpretation [abstractly interprets]: https://en.wikipedia.org/wiki/Abstract_interpretation
[call stack management]: https://en.wikipedia.org/wiki/Call_stack [calling conventions]: https://en.wikipedia.org/wiki/Calling_convention
[register allocation]: https://en.wikipedia.org/wiki/Register_allocation [register allocation]: https://en.wikipedia.org/wiki/Register_allocation
[VICE]: http://vice-emu.sourceforge.net/ [VICE]: http://vice-emu.sourceforge.net/
[cc65]: https://cc65.github.io/ [cc65]: https://cc65.github.io/