a1k0n

https://microcorruption.com/

Load the Tutorial level, skip the tutorial

hit c, check the 'enter hex' box, and paste this:
3e4000103f400080b012484530400080

then type:
let pc=sp+e
c

a1k0n

Linking CXX shared library libgnuradio-core.dylib
cd /tmp/gnuradio-y2zG/gnuradio-3.6.5.1/build/gnuradio-core/src/lib && /usr/local/Cellar/cmake/2.8.12.2/bin/cmake -E cmake_link_script CMakeFiles/gnuradio-core.dir/link.txt --verbose=1
/usr/local/bin/g++-4.2   -dynamiclib -Wl,-headerpad_max_install_names   -compatibility_version 3.6.5 -o libgnuradio-core.3.6.5.1.dylib -install_name /tmp/gnuradio-y2zG/gnuradio-3.6.5.1/build/gnuradio-core/src/lib/libgnuradio-core.3.6.5.1.dylib CMakeFiles/gnuradio-core.dir/missing/bug_work_around_8.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_basic_block.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_flowgraph.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_flat_flowgraph.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_block.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_block_detail.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_block_executor.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_block_registry.cc.o CMakeFiles/gnuradio-core.dir/runtime/gr_hier_block2.cc.o CMakeFiles/gnuradio-core.dir

a1k0n

import sys
import math
from collections import defaultdict

# ideally, we need to minimize the state changes
# so we need to track the transitions

s = sys.stdin.read()
rle = []
freq = defaultdict(int)

a1k0n

Keybase proof

I hereby claim:

• I am a1k0n on github.
• I am a1k0n (https://keybase.io/a1k0n) on keybase.
• I have a public key whose fingerprint is 54C6 0ED3 608C E889 0913 6C06 D257 0C60 21DB 3514

To claim this, I am signing this object:

a1k0n

#include <math.h>
#include <stdio.h>
#include <unistd.h>

// Each character encodes an angle of a plane we are checking
const char plane_angles[] = "O:85!fI,wfO8!yZfO8!f*hXK3&fO;:O;#hP;\"i[";
// and these encode an offset from the origin s.t. (x, y) dot (cos(a), sin(a)) < offset
const char plane_offsets[] = "<[\\]O=IKNAL;KNRbF8EbGEROQ@BSXXtG!#t3!^";

// this table encodes the offsets within the above tables of each polygon

a1k0n

use Time::HiRes qw(time);

opendir $d, ".";

$| = 1;
$n = 0;
$t0 = time;
while ($f = readdir $d) {
  unlink $f;
  $n++;

a1k0n

00000000  a5 6c 64 63 61 73 73 20  20 80 4c 05 60 00 1e 08  |.ldcass  .L.`...|
00000010  00 01 01 01 01 01 01 01  01 01 01 01 01 01 01 01  |................|
00000020  01 01 01 01 01 01 01 01  01 01 01 01 01 01 01 01  |................|
*
00000100  ff ff ff fe fa fb ef df  28 01 2f 1f ff ff ff ff  |........(./.....|
00000110  ff ff ff ff ff ff ff ff  ff ff ff ff ff ff ff ff  |................|
*
00000200

a1k0n

// read a sample sent to the YM3014B                                                                                                                                                             
// it's a 13.3 floating point format, 3 MSBs are exponent,                                                                                                                                       
// 13 LSBs are mantissa, except only 10 of the mantissa bits are used                                                                                                                            
uint16_t ym3014b_read16(void) {                                                                                                                                                                  
  uint16_t data = 0;                                                                                                                                                                             
  uint8_t last_port_state = GPIOC_PDIR;               

a1k0n

// the donut code with fixed-point arithmetic; no sines, cosines, square roots, or anything.
// a1k0n 2020

#include <stdio.h>
#include <string.h>
#include <unistd.h>

#define R(mul,shift,x,y) \
  _=x; \
  x -= mul*y>>shift; \

a1k0n

1.  kn0thing
2.  spez
3.  third
4.  fifth
5.  fourth
6.  agentorange
7.  chickenlittle
8.  erzengel
9.  fizzypop
10.  madmax2