107 lines
2.6 KiB
Text
107 lines
2.6 KiB
Text
# RETRO 2019.10
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This is a worthwhile release, bringing changes and improvements
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in several areas.
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## 64-Bit
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RETRO has been 32-bit only since the days of RETRO2 apart from
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some limited experiments with RETRO11. I'm pleased to say that
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this release of RETRO12 adds support for building a system with
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64-bit cells.
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This carries the same limitations regarding instruction packing,
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addressing, etc as the standard 32-bit system, and is not built
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by default. If you want to build a 64-bit system, do:
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make clean; make CFLAGS="-O2 -DBIT64"
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## Compatibility
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There are a few small breaks in compatibility.
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`unix:time` was removed. There is some discussion ongoing about
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this, but leaving it in would be problematic on 32-bit systems
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in a couple of years when the counter overflows. For now, I have
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added `clock:timestamp`, but the value of the epoch this uses
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may change in the future.
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The time functions in the `clock:` namespace are now part of
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their own I/O device. This aids in allowing them to be enabled
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on a VM that disables the Unix system interface. In this release
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the time functions remain accessible via the Unix device, but
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this will be dropped in the next release.
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## User Interface
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The 'ok' prompt has been removed.
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----
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# Detailed Changelog
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Examples
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- use a `.retro` extension instead of `.forth`
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- add `Gott.retro`
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- add `wordwrap.retro`
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- add `reforth.retro`
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- add an example showing how to generate an
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array of namespaces
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- fixed content type header in Casket
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- add irc-bot.retro
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retro-unix
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- deprecate unix:io:n:put
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- deprecate unix:io:s:put
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- deprecate unix:write
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- remove unix:time
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- add clock:timestamp
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- move clock: words to their own device handler
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- move rng to its own device handler
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- fix unix:getcwd
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- fixes to f:to-e and e:to-f
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- better output on stack under/overflow errors
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- add guards for floating point stack over/underflow
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- fix an issue w/loading images
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- moved xorshift and mersenne rng to examples
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retro-compiler
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- add new clock, rng devices to runtime
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retro-javascript
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- new interface layout
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Documentation
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- fix typos
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- fix stack comments in the glossary
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- fix some namespace listings in the glossary
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- correct an example in the book
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- formatting improvements in html for glossary server
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- minor expansions to the descriptions in the glossary
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Kernel
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- fix assembly listing in rx.muri
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- remove an unused function
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- several clarifications to commentary
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Tooling
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- use Luke's proposed changes in retro-muri (C)
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- add retro-tags
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- add a tool to export rx.muri as html for better
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reabability
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Build
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- fix a dependency issue with the .retro sources
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- fix the retro/javascript build tool
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VM
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- added new queries for cell min/max values
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