Feb 10, 2020
A brief timeline of the Mu computing stack

Jul 6, 2014: commit 0, tree-based interpreter for a statement-oriented language

Jul 19, 2017: commit 3930, start of SubX machine code

Sep 20, 2018: started building SubX in SubX

Jul 24, 2019: SubX in SubX done, commit 5461

Oct 2, 2019: started designing the Mu memory-safe language

Oct 29: started http://akkartik.github.io/mu/html/apps/mu.subx.html

Table of recent milestones with line counts and binary sizes date commit mu.subx -tests/cmts binary (KB excl. dead code) parsing function headers Oct 30 5725 621 277 6.9 function calls Nov 10 5739 1202 346 7.2 code-generating primitive instructions Nov 17 5750 1923 363 7.3 arguments Nov 30 5785 4038 1330 13 return values Jan 1 5878 5432 1457 15 compound types: `addr` and `array` Jan 20 5911 6023 1697 16 local variables and their reclamation Jan 27 5934 6340 1900 18 register locals and shadowing Jan 27 5940 6498 1940 18 blocks Jan 29 5948 7455 2534 22 break/continue instructions Jan 30 5964 7871 2558 22 cleaning up locals in the presence of early exits Feb 9 6000 8554 2918 26

This post is part of my Freewheeling Apps Devlog.

Comments gratefully appreciated. Please send them to me by any method of your choice and I'll include them here.

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