char Z1, Z2, M, ST2, ST3, ST5, tim, pc = 0, xw;

char tab_PS[]={32, 34, 32, 32, 9, 8, 16, 32, 2, 0, 34};
char tab_PW[]={2, 1, 6, 4, 1, 7, 3, 0, 1, 7, 0};
char tab_PA[]={0, 0, 8, 2, 0, 5, 6, 0, 0, 9, 2};

....

while(1){
...

Z1=(tab_PS[pc]&32)?1:0;
Z2=(tab_PS[pc]&16)?1:0;
M=(tab_PS[pc]&8)?1:0;
ST2=(tab_PS[pc]&4?1:0;
ST3=(tab_PS[pc]&2?1:0;
ST5=(tab_PS[pc]&1?1:0;

switch(tab_PW[pc]){
case 0: xw=0; break;
case 1: xw=1; break;
case 2: xw=X1; break;
case 3: xw=!X1; break;
case 4: xw=X2; break;
case 5: xw=!X2; break;
case 6: xw= tim; break;
case 7: xw = !tim; break;
}

if(xw) ++pc; else pc=tab_PA[pc];
if(ST3) tim = 30;
if(ST2) tim = 20;
if(ST5) tim = 50;

if(tim) --tim;

L1 = Z1;
L2 = Z2;
L3 = M;

...

}