8 ms·

I remember, as a child, attempting to reproduce the BASIC program in one of the MAD magazine issues. Somewhere, I had made a typo, which completely screwed the

by mdf 2y ago

I remember, as a child, attempting to reproduce the BASIC program in one of the MAD magazine issues. Somewhere, I had made a typo, which completely screwed the output. I guessed that the tediousness of the whole exercise was part of the joke, shrugged, and moved on. Luckily, someone else succeeded: https://meatfighter.com/mad/ https://meatfighter.com/mad/

m463 2y ago
dedication to create an svg version... https://meatfighter.com/mad/mad.svg https://meatfighter.com/mad/mad.svg
arp242 2y ago
It was pretty common to distribute code as "listing" like this. Typically it came with a checksum for every line and a small program to compute and print that for your own program that you had typed over, which you could then use to fairly quickly(-ish) spot any typos. All of this is how I learned to program by the way. Kids these days don't know how easy they have it.
- Mountain_Skies 2y ago
  Checksums were a great idea but I just could never resist the temptation to make changes to the program as I was typing it in.
- mellavora 2y ago
  Checksums! Bah, I used to have to code uphill both ways in the snow, and I liked it!
- pimlottc 2y ago
  Huh, we used to type in BASIC programs from magazines back in the 1980s and I don’t ever recall seeing any kinds of checksum. We would often resort to printing out the code and visually comparing line by line against the magazine.
  - mrandish 2y ago
    In the early 80s I never saw checksums on code listings but by the mid-80s it was fairly common, although certainly not universal.
  - kenjackson 2y ago
    Checksums became popular at some point in the 80s. I remember when COMPUTE! first added them they were a godsend. Especially for the machine language programs that were just pages of data statements.
  - arp242 2y ago
    The first edition of MSX Computer Magazine from 1985 has them, and I doubt they were the first or invented it: https://www.msxcomputermagazine.nl/archief/bladen/msx_computer_magazine_01.pdf#page=19 https://www.msxcomputermagazine.nl/archief/bladen/msx_comput... Perhaps it was less common in other countries? Things were a lot less global back then and things operated more on a local level.
    - pimlottc 2y ago
      We mostly had Family Computing magazine. I looked up an issue from 1985 with one of my favorite type-by-hand games, Hit or Miss [0], and no sight of a helpful checksum. To be honest, the idea of it would have blown my mind back then; the idea that your BASIC code is just a text file that can be processed by other programs is something that would never have occurred to me. https://archive.org/details/FamilyComputingIssue041983Dec/Family_Computing_Issue_23_1985_Jul/page/n53/mode/2up https://archive.org/details/FamilyComputingIssue041983Dec/Fa...
- latexr 2y ago
  I would take typing a program by hand from printed paper over dealing with npm, any day. Thankfully I have to do neither.
- tyre 2y ago
  > Kids these days don't know how easy they have it. Maybe it’s rose-colored glasses, but I have much fonder memories of programming basic on a Ti-84 calculator than debugging an import incompatibility between. Es5 and CommonJS modules
dole 2y ago
The Commodore version of the source in the magazine never worked. I probably typed it in at least five times in whole thinking I'd screwed something up. It wasn't until a few years ago (from an HN post, no less) that I found the link above and finally, finally got to see what the code did.
- jordigh 2y ago
  It's a sign error. https://github.com/asig/MAD_computer_program?tab=readme-ov-file#the-mad-computer-program https://github.com/asig/MAD_computer_program?tab=readme-ov-f...
evanelias 2y ago
Excellent link, thank you for posting this. In case there are any other Sergio Aragones superfan weirdos like me here, who only click MAD-related stories in order to command-f for "Sergio Aragones" and then move on when inevitably there are no results: today's your lucky day, click that link above!
- derencius 2y ago
  nice. I'm a Groo fan.
jordigh 2y ago
A port to GNU Octave... x = [ -27,-11,-23,-6,-28,-13,-22,-6,-20,-5,-12,-5,-27,-14,-26,-13 ... -38,-29,-42,-28,-40,-28,-50,-16,-8,13,0,13,-29,4,-29,9 ... -50,-17,-41,-28,-49,-17,-50,-8,-8,12,0,12,-28,5,-28,13 ... -50,-15,-49,-10,40,-26,42,-17,-4,9,-21,14,5,48,2,44 ... -53,-39,-45,-48,-55,-23,-55,-28,-61,-23,-58,-22,-42,-39,-43,-39 ... 36,-52,36,-55,-37,-48,-32,-56,-32,-56,-26,-60,9,-74,33,-55 ... 6,-12,12,-11,14,-8,24,-11,6,-13,10,-11,20,-9,10,-8 ... -23,-15,-24,-19,-26,-18,-22,-15,-25,-18,-22,-19,-23,-18,-21,-16 ... -49,2,-43,10,38,-11,43,-15,7,14,7,9,-9,13,-6,8 ... -5,-33,-4,-33,-6,-36,-6,-36,-5,-32,-5,-32,-7,-29,-7,-29 ... -39,-32,-38,-41,-62,-25,-54,-39,-50,-29,-50,-35,-54,-33,-57,-24 ... -38,-34,-39,-39,-51,-19,-60,-22,-57,-25,-50,-24,-48,-25,-46,-38 ... -42,-24,-42,-19,41,-26,43,-14,-3,7,-19,14,8,48,4,42 ... 27,-38,31,-47,-29,-42,-16,-37,-11,-51,10,-48,26,-38,24,-47 ... -4,-73,14,-71,-3,-74,5,-74,5,-73,12,-72,8,-72,35,-57 ... -2,-48,5,-54,-15,-36,-20,-42,17,-34,32,-45,-6,-53,6,-48 ... 40,-51,38,-43,39,-45,38,-50,38,-46,37,-53,37,-47,37,-46 ... 15,-25,18,-24,23,-18,23,-20,12,-19,19,-18 ... 8,-50,20,-49,-12,-53,-3,-62,-5,-49,14,-49,4,-62,16,-53 ... -41,-19,-41,-27,44,-14,43,-20,-22,13,-22,14,8,46,2,42 ... -40,-23,-39,-28,42,-26,50,-19,-23,14,-24,5,3,41,2,48 ... -51,-42,-39,-49,-47,-26,-49,-36,-53,-18,-59,-21,-45,-28,-53,-23 ... -40,-19,-37,-7,50,-18,50,-13,-25,5,-26,14,1,41,9,40 ... -22,-9,-19,-6,-21,-9,-18,-6,-21,-6,-11,-9,-19,-8,-16,-8 ... -57,-26,-57,-28,-37,-41,-37,-37,-59,-31,-50,-40,-39,-36,-36,-40 ... -5,-28,-6,-30,-6,-28,-7,-30,6,-28,5,-30,6,-29,6,-31 ... 6,-37,9,-36,-12,-38,-2,-39,-6,-33,-2,-35,-13,-35,-8,-39 ... -20,-18,-17,-17,-14,-18,-15,-17,-17,-18,-16,-18,-20,-17,-14,-17 ... -39,-17,-35,-6,51,-14,48,-12,-24,8,-23,13, 1,40,12,39 ... -36,-6,-36,-1,41,-14,40,-9,-23,8,-24,11,14,39,19,40 ... -26,34,-32,37,-32,37,-29,32,-29,32,-30,36,-29,32,-39,34 ... -35,-5,-35,-1,40,-13,41,-12,-26,7,-27,14,21,39,11,38 ... 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17,-35,21,-39,7,-62,14,-56,14,-51,-17,-48,4,-43,4,-47 ... -11,-12,-12,-14,-12,-13,-9,-15,-20,-16,-15,-16,-17,-16,-15,-16 ... -11,-22,-12,-24,-9,-22,-12,-23,-9,-20,-11,-24,-8,-20,-9,-23 ... -34,-2,-33,6,25,7,29,7,30,8,30,6,31,8,35,9 ... -33,3,-33,-1,33,8,36,8,36,7,36,2,35,4,35,7 ... -32,6,-31,11,-30,11,-29,4,3,48,-3,41,-5,41,2,48 ... -5,-59,-6,-62,12,-52,21,-47,-2,-54,-2,-53,-4,-60,3,-62 ... -44,-47,-41,-49,-54,-24,-56,-30,-36,-43,-37,-48,-47,-37,-49,-32 ... -40,-48,-45,-46,-38,-47,-35,-44,-58,-36,-51,-40,-58,-35,-48,-45 ... 24,-42,32,-42,-3,-61,-3,-61,-54,-19,-50,-18,-5,-72,9,-72 ... 10,-22,10,-22,19,-22,19,-22,13,-16,13,-16,9,-19,10,-20 ... -25,-42,-21,-41,2,-53,4,-54,29,-40,31,-46,26,-43,22,-48 ... 6,-10,18,-6,14,-6,21,-7,22,-8,6,-11 ... 1,-38,-14,-36,-13,-37,-11,-32,-14,-35,-12,-33 ... 55,-37,41,-51,46,-48,61,-33,41,-49,37,-48 ... -10,-21,-10,-24,-28,-14,-22,-7 ... -3,43,-26,35,-26,35,-5,41,-9,39,-20,36,-26,34,-26,37 ... -6,-58,1,-60,-24,-43,-21,-42,3,-45,3,-46,4,-52,4,-53 ... 72,73,72,63,71,74,70,78,71,62,70,58,69,57,65,53,70,78,65,83 ... 64,83,58,86,64,53,55,48,56,49,43,49,47,48,55,48,58,86,46,86 ... 42,84,46,85,44,50,39,52,42,50,39,51,41,85,40,85,39,86,33,86 ... 38,51,33,48,35,79,35,58,34,79,34,58,34,57,32,56,34,80,32,79 ... 32,85,30,83,31,83,31,80,30,82,30,79,31,55,29,55,33,49,23,49 ... 32,48,25,48,24,50,22,50,28,55,17,78,18,79,20,79,20,80,20,84 ... 21,51,18,48,19,50,17,48,16,48,14,48,17,49,14,49,19,85,11,86 ... 13,48,12,53,12,48,11,53,11,54,15,57,15,58,14,59,14,59,-1,59 ... 14,58,-2,58,10,85,7,83,6,84,1,86,0,86,-5,85,-6,84,-6,80,-7,83,-7,79 ... -5,79,-3,79,-2,78,-13,56,-14,56,-3,78,-2,59,-4,57,-4,56,-1,54 ... 0,55,1,55,1,54,1,50,0,50,-1,48,-2,48,-7,48,-2,49,-6,49,-6,48,-9,51 ... -7,48,-10,50,-11,49,-17,49,-12,48,-16,48,-17,48,-21,51,-18,48,-22,50 ... -15,55,-16,55,-17,56,-22,78,-21,79,-19,79,-19,80,-19,84,-23,49,-30,49 ... -24,48,-30,48,-31,48,-31,55,-32,54,-32,49,-30,55,-28,55 ... -20,85,-25,86,-26,85,-29,83,-28,55,-32,70,-28,55,-31,71 ... -28,83,-33,86,-34,86,-37,86,-32,70,-41,49,-38,85,-40,84 ... -40,83,-40,81,-41,83,-41,79,-40,80,-37,78,-37,78,-41,65 ... -42,65,-38,78,-43,64,-48,78,-47,79,-45,79,-45,80,-45,84 ... -46,85,-51,86,-42,49,-47,49,-42,48,-48,48,-48,48,-56,70 ... -48,49,-56,71,-56,71,-60,56,-52,85,-54,84,-55,83,-59,85 ... -60,86,-64,86,-59,55,-58,54,-57,54,-55,55,-55,54,-55,50 ... -56,50,-57,48,-57,49,-61,49,-58,48,-60,48,-61,48,-64,51 ... -62,48,-65,50,-65,85,-67,84,-67,83,-67,79,-68,83,-68,79,-66,79,-64,79 ... -63,78,-68,56,-69,55,-64,78,-66,49,-72,49,-68,48,-73,48 ... -69,55,-73,55,-73,55,-73,48,-74,49,-74,54 ... 61,71,61,65,60,73,60,63,59,73,59,72,60,65,58,60 ... 59,61,54,56,59,74,55,78,59,75,54,80,54,80,48,80 ... 46,79,55,79,54,56,48,56,47,57,46,57,47,78,46,78 ... 45,78,45,58,7,76,11,66,10,66,6,76,9,66,1,66,0,66,6,75]; l = reshape(x, 4, 522)'; [x1, y1, x2, y2] = deal(l(:,1), l(:,2), l(:,3), l(:,4)); sz = 1.2; xc = 140; yc = 90; fx = x1*sz + xc; fy = 176 - (y1 + yc); lx = x2*sz + xc; ly = 176 - (y2 + yc); plot([fx+1, lx+1]', [fy, ly]', '-b', [fx, lx]', [fy, ly]', '-b'); axis tight; axis off; axis ij; h = title('What, me worry?'); set(h, 'position', [140, 170]);

by mdf 2y ago

m463 2y ago

dedication to create an svg version... https://meatfighter.com/mad/mad.svg https://meatfighter.com/mad/mad.svg

arp242 2y ago

It was pretty common to distribute code as "listing" like this. Typically it came with a checksum for every line and a small program to compute and print that for your own program that you had typed over, which you could then use to fairly quickly(-ish) spot any typos. All of this is how I learned to program by the way. Kids these days don't know how easy they have it.

Mountain_Skies 2y ago
Checksums were a great idea but I just could never resist the temptation to make changes to the program as I was typing it in.
mellavora 2y ago
Checksums! Bah, I used to have to code uphill both ways in the snow, and I liked it!
pimlottc 2y ago
Huh, we used to type in BASIC programs from magazines back in the 1980s and I don’t ever recall seeing any kinds of checksum. We would often resort to printing out the code and visually comparing line by line against the magazine.
- mrandish 2y ago
  In the early 80s I never saw checksums on code listings but by the mid-80s it was fairly common, although certainly not universal.
- kenjackson 2y ago
  Checksums became popular at some point in the 80s. I remember when COMPUTE! first added them they were a godsend. Especially for the machine language programs that were just pages of data statements.
- arp242 2y ago
  The first edition of MSX Computer Magazine from 1985 has them, and I doubt they were the first or invented it: https://www.msxcomputermagazine.nl/archief/bladen/msx_computer_magazine_01.pdf#page=19 https://www.msxcomputermagazine.nl/archief/bladen/msx_comput... Perhaps it was less common in other countries? Things were a lot less global back then and things operated more on a local level.
  - pimlottc 2y ago
    We mostly had Family Computing magazine. I looked up an issue from 1985 with one of my favorite type-by-hand games, Hit or Miss [0], and no sight of a helpful checksum. To be honest, the idea of it would have blown my mind back then; the idea that your BASIC code is just a text file that can be processed by other programs is something that would never have occurred to me. https://archive.org/details/FamilyComputingIssue041983Dec/Family_Computing_Issue_23_1985_Jul/page/n53/mode/2up https://archive.org/details/FamilyComputingIssue041983Dec/Fa...
latexr 2y ago
I would take typing a program by hand from printed paper over dealing with npm, any day. Thankfully I have to do neither.
tyre 2y ago
> Kids these days don't know how easy they have it. Maybe it’s rose-colored glasses, but I have much fonder memories of programming basic on a Ti-84 calculator than debugging an import incompatibility between. Es5 and CommonJS modules

dole 2y ago

The Commodore version of the source in the magazine never worked. I probably typed it in at least five times in whole thinking I'd screwed something up. It wasn't until a few years ago (from an HN post, no less) that I found the link above and finally, finally got to see what the code did.

jordigh 2y ago
It's a sign error. https://github.com/asig/MAD_computer_program?tab=readme-ov-file#the-mad-computer-program https://github.com/asig/MAD_computer_program?tab=readme-ov-f...

evanelias 2y ago

Excellent link, thank you for posting this. In case there are any other Sergio Aragones superfan weirdos like me here, who only click MAD-related stories in order to command-f for "Sergio Aragones" and then move on when inevitably there are no results: today's your lucky day, click that link above!

derencius 2y ago
nice. I'm a Groo fan.

jordigh 2y ago

A port to GNU Octave... x = [ -27,-11,-23,-6,-28,-13,-22,-6,-20,-5,-12,-5,-27,-14,-26,-13 ... -38,-29,-42,-28,-40,-28,-50,-16,-8,13,0,13,-29,4,-29,9 ... -50,-17,-41,-28,-49,-17,-50,-8,-8,12,0,12,-28,5,-28,13 ... -50,-15,-49,-10,40,-26,42,-17,-4,9,-21,14,5,48,2,44 ... -53,-39,-45,-48,-55,-23,-55,-28,-61,-23,-58,-22,-42,-39,-43,-39 ... 36,-52,36,-55,-37,-48,-32,-56,-32,-56,-26,-60,9,-74,33,-55 ... 6,-12,12,-11,14,-8,24,-11,6,-13,10,-11,20,-9,10,-8 ... -23,-15,-24,-19,-26,-18,-22,-15,-25,-18,-22,-19,-23,-18,-21,-16 ... -49,2,-43,10,38,-11,43,-15,7,14,7,9,-9,13,-6,8 ... -5,-33,-4,-33,-6,-36,-6,-36,-5,-32,-5,-32,-7,-29,-7,-29 ... -39,-32,-38,-41,-62,-25,-54,-39,-50,-29,-50,-35,-54,-33,-57,-24 ... -38,-34,-39,-39,-51,-19,-60,-22,-57,-25,-50,-24,-48,-25,-46,-38 ... -42,-24,-42,-19,41,-26,43,-14,-3,7,-19,14,8,48,4,42 ... 27,-38,31,-47,-29,-42,-16,-37,-11,-51,10,-48,26,-38,24,-47 ... -4,-73,14,-71,-3,-74,5,-74,5,-73,12,-72,8,-72,35,-57 ... -2,-48,5,-54,-15,-36,-20,-42,17,-34,32,-45,-6,-53,6,-48 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72,73,72,63,71,74,70,78,71,62,70,58,69,57,65,53,70,78,65,83 ... 64,83,58,86,64,53,55,48,56,49,43,49,47,48,55,48,58,86,46,86 ... 42,84,46,85,44,50,39,52,42,50,39,51,41,85,40,85,39,86,33,86 ... 38,51,33,48,35,79,35,58,34,79,34,58,34,57,32,56,34,80,32,79 ... 32,85,30,83,31,83,31,80,30,82,30,79,31,55,29,55,33,49,23,49 ... 32,48,25,48,24,50,22,50,28,55,17,78,18,79,20,79,20,80,20,84 ... 21,51,18,48,19,50,17,48,16,48,14,48,17,49,14,49,19,85,11,86 ... 13,48,12,53,12,48,11,53,11,54,15,57,15,58,14,59,14,59,-1,59 ... 14,58,-2,58,10,85,7,83,6,84,1,86,0,86,-5,85,-6,84,-6,80,-7,83,-7,79 ... -5,79,-3,79,-2,78,-13,56,-14,56,-3,78,-2,59,-4,57,-4,56,-1,54 ... 0,55,1,55,1,54,1,50,0,50,-1,48,-2,48,-7,48,-2,49,-6,49,-6,48,-9,51 ... -7,48,-10,50,-11,49,-17,49,-12,48,-16,48,-17,48,-21,51,-18,48,-22,50 ... -15,55,-16,55,-17,56,-22,78,-21,79,-19,79,-19,80,-19,84,-23,49,-30,49 ... -24,48,-30,48,-31,48,-31,55,-32,54,-32,49,-30,55,-28,55 ... -20,85,-25,86,-26,85,-29,83,-28,55,-32,70,-28,55,-31,71 ... -28,83,-33,86,-34,86,-37,86,-32,70,-41,49,-38,85,-40,84 ... -40,83,-40,81,-41,83,-41,79,-40,80,-37,78,-37,78,-41,65 ... -42,65,-38,78,-43,64,-48,78,-47,79,-45,79,-45,80,-45,84 ... -46,85,-51,86,-42,49,-47,49,-42,48,-48,48,-48,48,-56,70 ... -48,49,-56,71,-56,71,-60,56,-52,85,-54,84,-55,83,-59,85 ... -60,86,-64,86,-59,55,-58,54,-57,54,-55,55,-55,54,-55,50 ... -56,50,-57,48,-57,49,-61,49,-58,48,-60,48,-61,48,-64,51 ... -62,48,-65,50,-65,85,-67,84,-67,83,-67,79,-68,83,-68,79,-66,79,-64,79 ... -63,78,-68,56,-69,55,-64,78,-66,49,-72,49,-68,48,-73,48 ... -69,55,-73,55,-73,55,-73,48,-74,49,-74,54 ... 61,71,61,65,60,73,60,63,59,73,59,72,60,65,58,60 ... 59,61,54,56,59,74,55,78,59,75,54,80,54,80,48,80 ... 46,79,55,79,54,56,48,56,47,57,46,57,47,78,46,78 ... 45,78,45,58,7,76,11,66,10,66,6,76,9,66,1,66,0,66,6,75]; l = reshape(x, 4, 522)'; [x1, y1, x2, y2] = deal(l(:,1), l(:,2), l(:,3), l(:,4)); sz = 1.2; xc = 140; yc = 90; fx = x1*sz + xc; fy = 176 - (y1 + yc); lx = x2*sz + xc; ly = 176 - (y2 + yc); plot([fx+1, lx+1]', [fy, ly]', '-b', [fx, lx]', [fy, ly]', '-b'); axis tight; axis off; axis ij; h = title('What, me worry?'); set(h, 'position', [140, 170]);