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https://wiki.xxiivv.com/site/uxntal.html is a stack-based assembly language designed for the Uxn virtual machine. There are 256 instructions designed to work within a 16-bit space. The Uxn specification provides Tal with a 256 byte data-stack and 64kb of RAM. The language even features has support for https://wiki.xxiivv.com/site/uxntallambdas.html.
@fib ( num* -- numfib* ) #0001 GTH2k ?{ POP2 JMP2r } SUB2k fib STH2 INC2 SUB2 fib STH2r ADD2 JMP2r
@paint-sprite ( x* y* -- ) .Screen/y DEO2 ( set y position ) .Screen/x DEO2 ( set x position ) #16 .Screen/auto DEO ( set length 2 with auto y and addr ) ;23x-icns .Screen/addr DEO2 ( set addr ) #01 .Screen/sprite DEOk DEOk DEO ( draw 3 rows of 1-bit sprites ) JMP2r @23x-icns ( 0 ) ( 1 ) ( 0 ) 0010 2847 2810 0001 0000 00e0 2040 8000 ( 1 ) 0204 080f 0000 0001 0000 00e0 2040 8000
https://wiki.xxiivv.com/site/uxn.html is a small stack-based computer with an implementation-first design. It is specialized for building small, low-energy, audio-visual applications. The specification for Uxn fits onto a single page, and its implementation is 100 lines of C. Finally, it powers the personal computing stack called https://wiki.xxiivv.com/site/varvara.html.
This revision created on Tue, 5 Sep 2023 01:54:37 by CapitalEx (Add Uxn to Wiki)