| This is the (one dimensional) Life! | ||||||||
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added on the 2025-05-07 00:27:59 by orac81  |
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Here is the Turbo-C version using the "TCTINY" library.. (180 bytes)
And another screenshot..
Code:
/*
CLIFE1D.C - Classic 1D Cellular Automata Generator.
(C) A.Millett 1992-2025. Released as free software under GNU GPL3 license.
(See: www.gnu.org/licenses/gpl-3.0.html )
Simplified one Dimensional Cellular Automata pattern Generator, for DOS.
Hit SPACE for next pattern, ESC to quit. (type CLS or MODE 80 after)
Uses MOD 5 sum of 3 cells above for next gen.
For DOS/VGA, minimal version written in <256 bytes for TurboC + TCTINY lib.
To build: TCTINY [TC3PATH] XLIFE2Dx to build tiny .COM file (<1k)
(See TCTINY.TXT for details on using TCTINY library)
Code from LIFE17.C, XLIFE2D4.C ..
->CLIFE1D-104 (6.5.2025)
Make smaller/faster, sim to NASM version.
->CLIFE1D-105 (6.5.2025) (180 bytes)
*/
typedef unsigned char BYTE;
typedef unsigned int UINT;
#include "tctiny.c"
BYTE far *pTop = (BYTE far *) ((unsigned long) 0xa0000000L); /* Vdu top, also used as "Rules" array */
#define XMOD 5
void main ()
{
register BYTE far *pVdu;
UINT x;
UINT rnd = 0xa000;
/* Set VGA video mode 13h 320x200x256 */
IO_VIDEOMODE (0x13);
do {
/* Top line is a "rules" lookup table for rest of screen */
for (x = 0; x < 319; x ++) {
rnd += x; rnd += rnd + (rnd >> 15); rnd ^= (rnd >> 8);
pTop [x] = rnd;
}
/* Draw main screen, each new cell based on state of 3 above. */
pVdu = pTop;
do {
pVdu [321] = pTop[(*pVdu+pVdu[1]+pVdu[2]) % XMOD] ;
pVdu ++;
} while ((UINT) pVdu);
/* Ok, check for user key hit */
do {
IO_GETKEY (x);
} while (x == 0);
} while (x != 27);
/* IO_VIDEOMODE (3); */
}
And another screenshot..
You called it and here it is ;)
Rudi did something in 128 then in 64 bytes, then i optimized it to 55 bytes and created something similar in 24 bytes
Totalistic & Edits
Tough to compare all those 1D automatons, but yes, 32 bytes for a decent one should be enough ;)
Rudi did something in 128 then in 64 bytes, then i optimized it to 55 bytes and created something similar in 24 bytes
Totalistic & Edits
Tough to compare all those 1D automatons, but yes, 32 bytes for a decent one should be enough ;)
yes, inevitable! This one does compile down to 57b if using mod 4 and no user keys, but the results are less interesting. I thought it important that the user could step through a wide range of different effects.
After writing it I realized I had done it differently from the normal 1d method, in fact the 5 colours are 0-255 vga index, which are added and THEN made MOD 5. This makes the colours more varied, and I think changes the maths and makes the effects more interesting.
More experiments needed.
Thanks for the links, useful..
After writing it I realized I had done it differently from the normal 1d method, in fact the 5 colours are 0-255 vga index, which are added and THEN made MOD 5. This makes the colours more varied, and I think changes the maths and makes the effects more interesting.
More experiments needed.
Thanks for the links, useful..
submit changes
if this prod is a fake, some info is false or the download link is broken,
do not post about it in the comments, it will get lost.
instead, click here !
This is an old-school (and well known) effect, but it uses a different approach to most other programs I have seen, in particular I think using MOD 5 generates interesting graphics.
When running, hit SPACE for next pattern, ESC to quit. (CLR or MODE 80 after)
See file "life1d.txt" for more details.
There is an SDL2/linux version in the zip file too. See "sdl_life" folder and "sdl_life1d.txt" for details.
There is a Turbo-C "TINYTC" version of the code (180 bytes) in the TC folder, and my original 1992 shareware version, which actually has a CGA option.
Also a load of pix in the "screenshot" folder.
I expect someone here will tell me it can be done in 32 bytes!