49 lines
972 B
Forth
49 lines
972 B
Forth
# Amalgamate
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The standard RETRO system is built using the Nga VM[1] and a
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copy of the image exported as a C source file[2]. I sometimes
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prefer to have these as a single file for easier sharing. This
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is a quick little tool to combine them.
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Output will be written to stdout.
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## References
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[1] vm/nga-c/retro.c
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[2] vm/nga-c/image.c
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## Code
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Include compilation instructions and enable i/o devices.
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~~~
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'/*_Build_with_`cc_-lm_-O2_retro-unix.c_-o_retro`_*/ s:put nl nl
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{ 'ENABLE_FLOATS
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'ENABLE_FILES
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'ENABLE_UNIX
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'ENABLE_RNG
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'ENABLE_CLOCK
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'ENABLE_SCRIPTING
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} [ '#define_%s s:format s:put nl ] a:for-each nl
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~~~
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Then extract and generate the single file source.
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~~~
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{{
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:include-file
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#10 + s:chop 'vm/nga-c/ s:prepend here swap file:slurp here s:put ;
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:source:line
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dup '#include_" s:begins-with?
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[ include-file ] [ s:put nl ] choose ;
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---reveal---
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:amalgamate
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'vm/nga-c/retro.c [ source:line ] file:for-each-line ;
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}}
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amalgamate
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~~~
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