diff interps/linguine/mult.lng @ 996:859f9b4339e6

<Gregor> tar xf egobot.tar.xz
author HackBot
date Sun, 09 Dec 2012 19:30:08 +0000
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/interps/linguine/mult.lng	Sun Dec 09 19:30:08 2012 +0000
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+'General multiplication and integer division routines
+'Programmed by Jeffry Johnston, 2005
+
+'test -12 / 3 = -4
+1[-1=2,-2=-12,-3=3]200
+2[-2#]0
+
+'Multiply: -2 *= *-3
+'-1=return jump, -4=temp, -5=temp
+100[-4=*-3,-5=*-2,-2=0,-4<0:101]102
+101[-4~0:*-1,-2-*-5,-4+1]101 '-3 is negative
+102[-4~0:*-1,-2+*-5,-4-1]102 '-3 is positive 
+
+'Divide: -2 /= *-3
+'-1=return jump, -4=temp, -5=temp
+200[-4=*-2,-2=0,-5=0,-4<0:201,-3<0:204]202
+201[-5-*-4,-4=*-5,-3<0:205]203
+202[-4<*-3:*-1,-4-*-3,-2+1]202
+203[-4<*-3:*-1,-4-*-3,-2-1]203
+204[-5-*-3,-3=*-5]203
+205[-5=0,-5-*-3,-3=*-5]202