ConwayLife.com

SSE2 hypot/hypotf (i386 fasm assembly): format PE Console 4.0 entry start include 'win32a.inc' section '.text' code readable executable start: push dword 3.0 push dword 4.0 call hypotf_sse2 push $40100000 push 0 push $40080000 push 0 call hypot_sse2 ud2 align 4 hypotf_sse2: push ebp mov ebp, esp sub...

Logic circuits:

• Single input gates:
  • Logic buffer
  • NOT gate
• Double input gates:
  • AND gate
  • ANDNOT gate
  • OR gate
  • XOR gate
• Triple input gates:
  • Multiplexer
• Memory cells:
  • SR Latch
  • D latch
  • D flip-flop
  • T flip-flop

function Knext (X) { let Y, Z, Kstep = 1; X = BigInt(X); for (;;) { switch (Kstep) { case 1: Y = Number(X / BigInt(1e9)); break; case 2: Z = Number((X / BigInt(1e8)) % BigInt(10)); Kstep = 3 + Z; continue; case 3: if (X < BigInt(5000000000)) X = X + BigInt(5000000000); break; case 4: X = (X ** BigI...

/* Generalized Arc4Random */ const int RAND_MAX = 256; int key[RAND_MAX]; int key_i = 0, key_j = 0; void srand (const char *seed, int len) { int i, j, t; for (i = 0; i < RAND_MAX; i++) key[i] = i; for (i = j = 0; i < RAND_MAX; i++) { t = key[i]; j = (j + t + seed[i % len]) % RAND_MAX; key[i] = key[...

11->10 converter:

x = 174, y = 174, rule = B3/S23 27b3o3b2o$33bobo10b2o$21b2o12bo10b2o$20bo2bo11bob2o$20b3o2b7obobob2o$ 23b2o8bobo$22bo10bobo20b2o$22b2obo4bo3bo21bobo$27bo25b2obobo60b2o10b2o $53bobobo60bo2bo8bo2bo$55bo62b3o2b6o2b3o$54bo2bo63b2o6b2o$54bo65bo10bo $15b2o37bo5bo42bo16b2obo4bob2o$15b2o37bo5bo38b2o2b2ob3o...

Notepad++ style transform (color inversion): (function (xml) { function XMLDecode(s) { return s.replace(/&([^;]*);/g,function($0,$1) { return ({ "AMP": "&", "LT": "<", "GT": ">", "QUOT": "\"", "APOS": "'", })[$1.toUpperCase()]; }); } function XMLEncode(s) { return s.replace(/[&<>"']/g,function($0) {...

AND gates (repeat time = 3+): #C Minimal variant x = 399, y = 83, rule = Sticky 395.B$395.C5$394.A.A$393.A3.A$394.A.A.A$395.A$392.A$393.A.A15$394.A.A $393.A3.A$388.BC4.A.A.A$395.A$392.A$393.A.A9$395.B$395.C5$394.A.A$ 393.A3.A$388.BC4.A.A.A$395.A$392.A$393.A.A22$395.A$BC.BC4.BC13.BC.BC. BC.BC.BC7.BC4...

For example, Win64 SEH implementation : UNW_FLAG_NHANDLER = 0 UNW_FLAG_EHANDLER = 1 UNW_FLAG_UHANDLER = 2 UNW_FLAG_CHAININFO = 4 __SEH64_REG.rax = 0 __SEH64_REG.rcx = 1 __SEH64_REG.rdx = 2 __SEH64_REG.rbx = 3 __SEH64_REG.rsp = 4 __SEH64_REG.rbp = 5 __SEH64_REG.rsi = 6 __SEH64_REG.rdi = 7 __SEH64_REG...

Diagonal wire using only one CGoL still life: x = 85, y = 82, rule = Sticky 9.2A$8.A.A$7.A$8.2A$BC8.A$8.2A.A$7.A2.A.A$7.2A2.A.A$12.A.A$13.A.A$14. A.A$15.A.A$16.A.A$17.A.A$18.A.A$19.A.A$20.A.A$21.A.A$22.A.A$23.A.A$ 24.A.A$25.A.A$26.A.A$27.A.A$28.A.A$29.A.A$30.A.A$31.A.A$32.A.A$33.A.A $34.A.A$35.A.A$3...

Arbitrary-period 14tick inserter RLE Use syringe: x = 128, y = 175, rule = B3/S23 125bobo$125b2o$126bo20$13bo$11bobo$12b2o5$60b2o$60b2o$45b2o$46bo$46bob o$36bo10b2o$34b3o$33bo$33b2o$18b2o$19bo46b2o$19bob2o43bo$20bo2bo23bo 19b3o$21b2o24bo21bo$36b2o9b3o$36b2o11bo14b2o$64b2o4$44bo3b2o$43bobo3bo $39b2o...

Constructor usage: x = 229, y = 37, rule = Sticky 213.A6$211.A.A.A$210.A.3A.A$208.3A5.A$207.A4.A2.A$207.2A.2A3.A$207.A 6.A5.2A$210.2A.A5.A2.A$210.3A8.A$197.A5.A6.A10.2A5.A$196.A7.A7.A6.A.A $215.4A3.A$202.A13.A2.3A$202.A9.A.A2.A$202.A10.2A$202.A7.A.A$202.A6. 3A2.A4.A$BC9.BC33.BC7.BC35.BC5.BC37.BC3.BC...

Edge shooters: x = 66, y = 44, rule = B3/S23 2bo$obo$b2o$51b2o$47bobo2bo$45b3ob2o$44bo$45b3ob2o$47bob2o12b2o$63bo$ 61bobo$61b2o$25bo$23b3o$22bo$22b2o$7b2o$8bo$8bob2o$9bo2bo23bo$10b2o24b o$25b2o9b3ob2o$25b2o11bob2o5$64b2o$64b2o$28b2obo2b2obo$28b2ob4ob2o2$ 28b2ob2o13b2o$29bobo14b2o$17b2o10bobo$17b2o11...

p74. I just started, and it came up in less than one second — I may find more like these! Minimum population 84 cells. Should probably be added to the wiki. x = 35, y = 35, rule = B3/S23 9bo15bo$9b3o11b3o$12bo9bo$11b2o9b2o6$2o31b2o$bo31bo$bobo27bobo$2b2o27b 2o$13b2o5b2o$13b3o3b3o$12bo2bo3bo2bo$13b2...

Call TLS Initializers (DLL_THREAD_ATTACH) Jump to BaseThreadStartup Call Original Entry Point Call ExitThread Call TLS Initializers (DLL_THREAD_DETACH) Call kernel mode API (NtTerminateThread) to notify thread scheduler ExitProcess: Acquire the Loader Lock Acquire the PEB Lock Acquire the Process H...

Have stripes: Another PRNG suggestion:
Brent's XORGEN algorithm

Unbias a random generator (Javascript): function biased(n){return Math.random()<(1/n)}; function unbiased(n){var a;while((a=biased(n))==biased(n));return a}; Kogge-Stone adder (Javascript): function KoggeStoneAdd (A, B) { // Addition without "+" operator var G, P; G = A & B; P = A ^ B; G |= P & (G ...

https://oeis.org/A001175 1/2 = basephi(0.(010)) 1/3 = basephi(0.(00101000)) 2/3 = basephi(0.(10000010)) 1/4 = basephi(0.(001000)) 3/4 = basephi(0.(100010)) 1/5 = basephi(0.(00010010101001001000)) 2/5 = basephi(0.(01000000100101010010)) 3/5 = basephi(0.(01010100100100000010)) 4/5 = basephi(0.(1001001...

C:\Users\Administrator>ping catagolue.hatsya.com Pinging ghs.googlehosted.com [172.217.160.115] with 32 bytes of data: Reply from 172.217.160.115: bytes=32 time=71ms TTL=108 Reply from 172.217.160.115: bytes=32 time=71ms TTL=108 Reply from 172.217.160.115: bytes=32 time=71ms TTL=108 Reply from 172....

well there is this x = 47, y = 90, rule = B3/S23 45b2o$45b2o27$45b2o$45b2o27$45b2o$45b2o21$37bo$bo34b3o$b2o33bo$obo6$21b 3o$23bo$22bo! x = 192, y = 283, rule = B3/S23 190b2o$190b2o27$190b2o$190b2o27$190b2o$190b2o27$190b2o$190b2o27$190b2o $190b2o27$190b2o$190b2o27$190b2o$3o187b2o$2bo$bo5$21b2o$22b2o...

x = 231, y = 465, rule = B3/S23 o$b2o$2o19$229b2o$229b2o$169b2o$169b2o25$22bo206b2o$20bobo206b2o$21b2o 146b2o$169b2o25$229b2o$229b2o$169b2o$169b2o18$41bobo$42b2o$42bo5$229b 2o$229b2o$169b2o$169b2o25$229b2o$229b2o$169b2o$169b2o10$63bo$64bo$62b 3o13$229b2o$229b2o$169b2o$169b2o25$229b2o$229b2o$169b2o$...

Completed... sort of: x = 88, y = 51, rule = B3/S23 61b2o$62bo$62bobo13b3o$58b2o3b2o3bo8bo3bo$58b2o7bob2o6bo4bo$66bo4bo6b 2obo$67bo3bo8bo3b2o$53b2o3b3o7b3o13bobo$53b2o3bobo25bo$58b3o25b2o4$58b 2o$44b2o12b2o$44b2o12b2o3$39b2o6b3o2b3o$39b2o6bobo2bobo6b2o$47b3o2b3o 6b2o3$42b2o12b2o$42b2o12b2o$30b2o10b...

00000000 (00000000) DB710641 (00000001) 6D930AC3 (00000002) DB261586 (00000004) 6D3D2D4D (00000008) DA7A5A9A (00000010) 6F85B375 (00000020) DF0B66EA (00000040) 6567CB95 (00000080) CACF972A (00000100) 4EEE2815 (00000200) 9DDC502A (00000400) E0C9A615 (00000800) 1AE24A6B (00001000) 35C494D6 (00002000)...

For Win32 users, use VirtualQuery API For Linux users, no API equivalents, try sigaction + sigsetjmp/siglongjmp To determine read access (example: 1 byte): *(volatile char*)ptr; To determine write access (example: 1 byte): __sync_fetch_and_or((volatile char*)ptr, (char)0); To determine execute acces...

Memory access: Problem #1 (user mode): Thread A calls VirtualQuery (Address = X) returns "Accessible" Thread B terminated with release memory (Address = X) Thread C created with allocate memory (Address = X, Status = Guarded) Thread A tried access memory (Address = X) failed Thread C tried expands s...