#include <stdio.h> unsigned char buf[256]; static int lookup ( int i ) { int block[3]; block[0] = (int)&buf[0]; block[1] = i; block[2] = 0; __asm__ __volatile__( "movl %0,%%esi\n\t" "movl 0(%%esi),%%ebx\n\t" "movl 4(%%esi),%%eax\n\t" "xlat\n\t" "movl %%eax,8(%%esi)\n\t" : : /*in*/"r"(block) : "esi", "ebx", "eax", "memory", "cc" ); return block[2]; } int main(void) { int i; unsigned j; for (i = 0; i < 256; i++) buf[i] = (unsigned char) i; j = 0; for (i = 0; i < 130; i++) { printf("%08x\n", lookup(j)); j += 0x01000001; } return 0; }