99 Bottles of Beer

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Language Michigan Algorithm Decoder

Date:	04/20/05
Author:	Eric S. Raymond
URL:	n/a
Comments:	2
Info:	n/a
Score:	(3.25 in 4 votes)

By: Eric S. Raymond (http://www.catb.org/~esr/)

	THROUGH TAKEN,FOR I=100,-1,I.GE.2
	PRINT FORMAT WALL,I,I
	PRINT FORMAT DOWN
TAKEN	PRINT FORMAT LEFT,I
	PRINT FORMAT WALL1
	PRINT FORMAT DOWN
	PRINT FORMAT LEFT0
	VECTOR VALUES WALL=$1H0,I2,30H BOTTLES OF BEER ON THE WALL, ,I2,
      1 17H BOTTLES OF BEER,*$
	VECTOR VALUES DOWN=$34H0TAKE ONE DOWN AND PASS IT AROUND,*$
	VECTOR VALUES LEFT=$1H0,I2,17H BOTTLES OF BEER./*$
	VECTOR VALUES WALL1=$33H01 BOTTLE OF BEER ON THE WALL,, 1
      1 15H BOTTLE OF BEER*$
	VECTOR VALUES LEFT0=$19H00 BOTTLES OF BEER.*$
	END OF PROGRAM

This is Michigan Algorithm Decoder, commonly known as MAD, an Algol 58
variant dating from 1962 on the IBM 709 and now long extinct.  I'm
working on a retrocompiler for it, and this code has been tested and
works.

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Comments

L. S. Hicks said on 04/13/06 22:25:18

Thanks for the memories -- wrote some MAD code in 1965 at the Yale University Computer Center when I first learned programming. They had an IBM 7090/7040 -- a super-fast setup capable of something like 0.05 MFLOPS! If a job ABENDed, the programmer got the card deck back wrapped in a 14x17 printout having a banner that said "WHAT, ME WORRY?" under a portrait of Alfred E. Newman.

I still sometimes use the THROUGH-loop box when I'm flowcharting.

Pete Anderson said on 07/20/09 21:45:04

Yes, many thanks for the memories. I wrote many MAD programs while studying for my BSE Che from 1962 to 1965 at Michigan. You would submit your punched cards, get a job number, and come back in a few days to see if it had run. If it had, more likely it had crashed and you got back a listing which was mostly a core dump, and useless to the ordinary student. There were gurus at the computing center who could read the dump and tell you where you goofed up.

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one program in 1500 variations