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	Commit message (Collapse)	Author	Age	Files	Lines
*	updated TODO and pydoc	hut	2010-03-21	1	-1/+5
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*	updated pydoc	hut	2010-03-12	1	-1/+3
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*	updated pydoc	hut	2010-03-12	1	-15/+17
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*	incremented version number and updated pydoc html files v1.0.3	hut	2010-02-16	1	-26/+74
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*	updated pydoc documentation	hut	2010-01-13	1	-1/+13
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*	updated pydoc documentation	hut	2010-01-02	1	-9/+29
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*	moved pydoc pages to doc/pydoc	hut	2009-12-25	1	-0/+75

<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd"> <html> <head> <meta http-equiv="content-type" content="text/html; charset=UTF-8"> <title>Mu - linux/advent2020/1a.mu</title> <meta name="Generator" content="Vim/8.1"> <meta name="plugin-version" content="vim8.1_v1"> <meta name="syntax" content="none"> <meta name="settings" content="number_lines,use_css,pre_wrap,no_foldcolumn,expand_tabs,line_ids,prevent_copy="> <meta name="colorscheme" content="minimal-light"> <style type="text/css">  </style> <script type='text/javascript'>  </script> </head> <body onload='JumpToLine();'> <a href='https://github.com/akkartik/mu/blob/main/linux/advent2020/1a.mu'>https://github.com/akkartik/mu/blob/main/linux/advent2020/1a.mu</a> <pre id='vimCodeElement'> 1 # <a href="https://adventofcode.com/2020/day/1">https://adventofcode.com/2020/day/1</a> 2 # 3 # To run (on Linux): 4 # $ git clone <a href="https://github.com/akkartik/mu">https://github.com/akkartik/mu</a> 5 # $ cd mu 6 # $ ./translate advent2020/1a.mu 7 # $ ./a.elf < input 8 # found 9 # 1353 667 10 # 902451 11 # 12 # You'll need to register to download the 'input' file for yourself. 13 14 fn <a href='1a.mu.html#L14'>main</a> -> _/ebx: int { 15 # data structure 16 var numbers-storage: (array int 0x100) # 256 ints 17 var numbers/esi: (addr array int) <- address numbers-storage 18 var numbers-index/ecx: int <- copy 0 19 # phase 1: parse each line from stdin and add it to numbers 20 { 21 var line-storage: (stream byte 0x100) # 256 bytes 22 var line/edx: (addr stream byte) <- address line-storage 23 { 24 #? print-string 0, "== iter\n" 25 # read line from stdin 26 <a href='../106stream.subx.html#L17'>clear-stream</a> line 27 <a href='../305keyboard.subx.html#L158'>read-line-from-real-keyboard</a> line 28 # if line is empty (not even a newline), quit 29 var done?/eax: boolean <- <a href='../309stream.subx.html#L6'>stream-empty?</a> line 30 compare done?, 0/false 31 break-if-!= 32 #? print-stream-to-real-screen line 33 # convert line to int and append it to numbers 34 var n/eax: int <- <a href='../311decimal-int.subx.html#L48'>parse-decimal-int-from-stream</a> line 35 #? print-int32-decimal 0, n 36 #? print-string 0, "\n" 37 var dest/ebx: (addr int) <- index numbers, numbers-index 38 copy-to *dest, n 39 numbers-index <- increment 40 #? print-string 0, "== " 41 #? print-int32-decimal 0, numbers-index 42 #? print-string 0, "\n" 43 loop 44 } 45 } 46 # phase 2: for each number in the array, check if 2020-it is in the rest of 47 # the array 48 var i/eax: int <- copy 0 49 { 50 compare i, numbers-index 51 break-if->= 52 var src/ebx: (addr int) <- index numbers, i 53 #? print-int32-decimal 0, *src 54 #? print-string 0, "\n" 55 var target/ecx: int <- copy 0x7e4 # 2020 56 target <- subtract *src 57 { 58 var found?/eax: boolean <- <a href='1a.mu.html#L77'>find-after</a> numbers, i, target 59 compare found?, 0/false 60 break-if-= 61 <a href='../405screen.mu.html#L169'>print-string</a> 0, "found\n" 62 <a href='../405screen.mu.html#L484'>print-int32-decimal</a> 0, *src 63 <a href='../405screen.mu.html#L169'>print-string</a> 0, " " 64 <a href='../405screen.mu.html#L484'>print-int32-decimal</a> 0, target 65 <a href='../405screen.mu.html#L169'>print-string</a> 0, "\n" 66 target <- multiply *src 67 <a href='../405screen.mu.html#L484'>print-int32-decimal</a> 0, target 68 <a href='../405screen.mu.html#L169'>print-string</a> 0, "\n" 69 return 0/success 70 } 71 i <- increment 72 loop 73 } 74 return 1/not-found 75 } 76 77 fn <a href='1a.mu.html#L77'>find-after</a> _numbers: (addr array int), start: int, _target: int -> _/eax: boolean { 78 var numbers/esi: (addr array int) <- copy _numbers 79 var target/edi: int <- copy _target 80 var len/ecx: int <- length numbers 81 var i/eax: int <- copy start 82 i <- increment 83 { 84 compare i, len 85 break-if->= 86 var src/edx: (addr int) <- index numbers, i 87 # if *src == target, return true 88 compare *src, target 89 { 90 break-if-!= 91 return 1/true 92 } 93 i <- increment 94 loop 95 } 96 return 0/false 97 } </pre> </body> </html>