001.htm

<script>
for(rnd=w=>'#'+Math.random().toString(16).slice(-6),i=0;i<99;i++)
document.write(`<div style=background:linear-gradient(0.25turn,${rnd()},${rnd()},${rnd()},${rnd()})></div>`)
</script>
<style>body{background:#222;column-count:3;column-gap:6px}div{height:48;break-inside:avoid}</style> 
<!--
background: repeating-linear-gradient(45deg, #3f87a6, #ebf8e1 5%, #f69d3c 20%);
clip-path: polygon(5% 5%, 100% 0%, 100% 75%, 75% 75%, 75% 100%, 50% 75%, 0% 75%);
-->

002.htm

<style>
body{background:#000;}
    div{display:inline-block;}   
</style>
<div id="output"></div>
<script>
//transform:rotate(45deg);
rnd = w=>'#'+Math.random().toString(16).slice(-6)

clip = [
"polygon(0 100%, 50% 0, 0 0)",
"polygon(0 100%, 100% 0, 0 0)",
"polygon(0 50%, 50% 0, 0 0)", //////
"polygon(50% 50%, 0 0, 0 100%)",
"polygon(100% 100%, 50% 0, 0 100%)",
"polygon(50% 0%, 100% 50%, 50% 100%, 0% 50%)"
    ]


function gen() {
    var z = document.querySelector("div#output");
    //z.innerHTML = "";
    
    var ss = "";
    
for(i = 0; i < 69; i++) {
    

ss += `
<div style='margin:4px;width:96px;height:96px;overflow:hidden;text-align:center;vertical-align:top;filter: contrast(150%) saturate(50%);background:#FFF')>
<div style='width:100%;height:100%;'>
<div style='height:100%;width:100%;clip-path:${clip[Math.random()*clip.length|0]};background:#000 linear-gradient(${Math.random()}turn,${rnd()+"60"},${rnd()+"60"},${rnd()+"60"},${rnd()+"60"}')></div>

</div>
</div>

`
}

z.innerHTML = ss;
}

gen()

window.onclick = gen
</script>

003.htm

<!-- COLOR CODING FOR BINARY DECODE OF FM INSTRUMENT DATA -->


<style>
body{background:#011113;color:#FFFB}
pre{
background-image:url('data:image/png;base64,iVBORw0KGgoAAAANSUhEUgAABBIAAAABCAMAAABUi33SAAAAMFBMVEXYwwAUFP8A/wD/AAAAAAD/PwDX2wDXhoLYYbwAAAA1qACTUtgAftgA2IXYfgDYACSls45SAAAAEHRSTlN/f39/AH9/f39/f39/f39/k8ZVKAAAAEdJREFUeNrNzsUVwEAQw9AwQ//d5upxlvkXoKdO6NGARjBJsz8qtPCwaK1bNs4POzoAFQ50OqHC5Y8Kt78GHx5/VHj9tfDwflfXIpDws3x4AAAAAElFTkSuQmCC');
display:inline-block;
line-height:1;
font-size:24px;
margin:0;
}
pre#h{color:#FFF;font-weight:bold;background-color:#000}
pre#r{background-color:#444}
</style>

<pre id=h>
MMMM MMMM CCCC CCCC MMMM MMMM CC-C MMMM MMMM MMMM CCCC CCCC MMMM MMMM CCCC CCCC
TVSK MMMM TVSK MMMM KKOO OOOO KK-Q WFFF AAAA DDDD AAAA DDDD SSSS RRRR SSSS RRRR</pre>
<br><pre id=r>
</pre>
 

<script>
function doitt(asd) {
var data = asd.split(" ").map(x=>parseInt(x,16));
var str = "";
for(var i = 0; i < data.length; i++) str+= ((data[i]&0b11110000)>>4).toString(2).padStart(4, "0")+" "+(data[i]&0b1111).toString(2).padStart(4, "0")+"|";
return str;
}

var strs = 
`21 72 0D 00 C1 D5 56 06
21 72 0D 00 C1 A0 54 16
`;

strs = strs.split("\n");

strs.pop();

var out = "";
for(var i = 0; i < strs.length; i++) out +=  doitt(strs[i]) + "\n";
document.querySelector("pre#r").innerHTML = out;
</script>

checksumhash.js

// HASH/CHECKSM STUFF
function bsd8(data) {
    for(var i = 0, c = 0; i < data.length; i++) {
        c = (c>>>1) + ((c&1) << 7);
        c += data[i];
        c &= 0xff;
    }
    return c;
}

function bsd82(data) {
    for(var i = 0, c = 0; i < data.length; i++) {
        c = (c>>>1) | (c << 7);
        c += data[i];
        c &= 0xff;
    }
    return c;
}

for(var i = 0; i < 2**15; i++) {
    data = new Uint8Array(65536 - Math.random()*2**16-1|0);
    window.crypto.getRandomValues(data);
    console.log(
        bsd8(data) === bsd82(data)
    )
}

gistfile1.txt

<!-- THEORETICAL VIDEO GAME PASSWORD GENERATOR -->


<style>
h1 {
    font-family:Courier New;      
  font-size: 160px;
  background: -webkit-linear-gradient(red, #CCC);
  -webkit-background-clip: text;
  -webkit-text-fill-color: transparent;  -webkit-text-stroke-width: 3px;
  -webkit-text-stroke-color: black;
letter-spacing:24px;text-align:center;
line-height:132px;
  filter: drop-shadow(2px 2px 1px #000A);
 
  
}
</style>

<h1></h1>

            
<script>
    var char="123456789ABCDEFGHJKLMNOPQRTVWXYZ";                                    
      
    //for(var i = 0; i < 4; i++) {
       // var rand = Math.random()*32|0;
       function gen() { return Array(4).fill("").map(a=>char[Math.random()*32|0]).join('')}
        function gen2() { document.querySelector("h1").innerHTML = `${gen()}<br>${gen()}<br>${gen()}`; }
        
        gen2()
        setInterval(gen2, 1000)
    //}                 
</script>

shoop.c

// HASH AND PRNG C CODE STUFF
mod 255 sum + sll (sum first)
mod 255 sum + sll
mod 255 sum + rol
bsd-8

41 42 43 | 99, CC, CD, B4, 66
41 43 42 | 9B, CD, CE, 33, 64
42 41 43 | 9D, CE, CF, 74, 62
42 43 41 | A1, D0, D1, 73, 5E
43 42 41 | A5, D2, D3, 32, 5A
43 41 42 | A3, D1, D2, B3, 5C


FC 28 02
FC 02 28
28 FC 02
28 02 FC
02 FC 28
02 28 FC

00 00 DE AD BE EF 00 00 00 00 00
00 00 00 DE AD BE EF 00 00 00 00

x, y, z, w
function xorshift128plus_32a(state) {
    return function() {
      var x, y, z, w, t;

      x = state[0];
      y = state[1];
      z = state[2];
      w = state[3];
      t = w + y + (x !== 0 && z >= (-x>>>0) ? 1 : 0);
      y ^= (y << 23) | (x >>> 9);
      x ^= x << 23;

      state[0] = z;
      state[1] = w;
      state[2] = x ^ z ^ ((x >>> 18) | (y << 14)) ^ ((z >>> 5) | (w << 27));
      state[3] = y ^ w ^ (y >>> 18) ^ (w >>> 5);

      return t>>>0;
    }
}

uint32_t xorshift128plus_32(uint32_t *state) {
  uint32_t x, y, z, w, t;

  x = state[0];
  y = state[1];
  z = state[2];
  w = state[3];

  t = w + y + (x != 0 && z >= -x ? 1 : 0);
  y ^= (y << 23) | (x >> 9);
  x ^= x << 23;

  state[0] = z;
  state[1] = w;
  state[2] = x ^ z ^ ((x >> 18) | (y << 14)) ^ ((z >> 5) | (w << 27));
  state[3] = y ^ w ^ (y >> 18) ^ (w >> 5);

  return t;
}

https://github.com/umireon/my-random-stuff/tree/master/xorshift