foo.c

   1 #include <stdio.h>
   2 #include "fakeasm.h"
   3 typedef unsigned char u8;
   4
   5 u8 data[] = {
   6         0x84, 0x9d, 0xb0, 0x69, 0x9d, 0x84, 0x69, 0x58,
   7         0x75, 0x8c, 0xb0, 0x69, 0x8c, 0x75, 0x69, 0x58
   8 };
   9 u8 g(int i, u8 x, u8 t, u8 o) {
  10         u8 tmp;
  11         ANDI    (t, 0x07)
  12         tmp = i >> 16;
  13         ANDI    (tmp, 3)
  14         TST     (tmp)
  15         BREQ    (skip)
  16         SUBI    (t, -8)
  17         skip:
  18         t = data[t];
  19         t = (i*t) >> o;
  20         AND     (t, x)
  21         ANDI    (t, 3)
  22         return t;
  23 };
  24
  25 int main(void) {
  26         int i;
  27         unsigned short n;
  28         unsigned short s;
  29         u8 acc;
  30         for (i = 0;; i++) {
  31                 acc = 0;
  32                 n = i >> 14;
  33                 s = i >> 17;
  34                 acc += g(i, 1, n, 12);
  35                 acc += g(i, s, n ^ i >> 13, 10);
  36                 acc += g(i, s / 3, n + ((i >> 11) % 3), 10);
  37                 acc += g(i, s / 5, 8 + n - ((i >> 10) % 3), 9);
  38                 putchar(acc<<4);
  39         }
  40 }