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switch (BASIC(a1)->id) {
case ID_ADD:
{
COUNTUP_INTERACTION(vm);
BASIC(a1)->id = ID_ADD2;
VALUE a1port1 = AGENT(a1)->port[1];
AGENT(a1)->port[1] = a2;
a2 = a1port1;
goto loop;
}
case ID_ADD2:
{
COUNTUP_INTERACTION(vm);
// r << Add(m,n)
long n = FIX2INT(AGENT(a1)->port[1]);
long m = FIX2INT(a2);
a2 = INT2FIX(m+n);
VALUE a1port0 = AGENT(a1)->port[0];
free_Agent(a1);
a1 = a1port0;
goto loop;
}
case ID_SUB:
{
COUNTUP_INTERACTION(vm);
BASIC(a1)->id = ID_SUB2;
VALUE a1port1 = AGENT(a1)->port[1];
AGENT(a1)->port[1] = a2;
a2 = a1port1;
goto loop;
}
case ID_SUB2:
{
COUNTUP_INTERACTION(vm);
// r << Sub(m,n)
long n = FIX2INT(AGENT(a1)->port[1]);
long m = FIX2INT(a2);
a2 = INT2FIX(m-n);
VALUE a1port0 = AGENT(a1)->port[0];
free_Agent(a1);
a1 = a1port0;
goto loop;
}
case ID_MUL:
{
COUNTUP_INTERACTION(vm);
BASIC(a1)->id = ID_MUL2;
VALUE a1port1 = AGENT(a1)->port[1];
AGENT(a1)->port[1] = a2;
a2 = a1port1;
goto loop;
}
case ID_MUL2:
{
COUNTUP_INTERACTION(vm);
// r << Mult(m,n)
long n = FIX2INT(AGENT(a1)->port[1]);
long m = FIX2INT(a2);
a2 = INT2FIX(m*n);
VALUE a1port0 = AGENT(a1)->port[0];
free_Agent(a1);
a1 = a1port0;
goto loop;
}
case ID_DIV:
{
COUNTUP_INTERACTION(vm);
BASIC(a1)->id = ID_DIV2;
VALUE a1port1 = AGENT(a1)->port[1];
AGENT(a1)->port[1] = a2;
a2 = a1port1;
goto loop;
}
case ID_DIV2:
{
COUNTUP_INTERACTION(vm);
// r << DIV(m,n)
long n = FIX2INT(AGENT(a1)->port[1]);
long m = FIX2INT(a2);
a2 = INT2FIX(m/n);
VALUE a1port0 = AGENT(a1)->port[0];
free_Agent(a1);
a1 = a1port0;
goto loop;
}
case ID_MOD:
{
COUNTUP_INTERACTION(vm);
BASIC(a1)->id = ID_MOD2;
VALUE a1port1 = AGENT(a1)->port[1];
AGENT(a1)->port[1] = a2;
a2 = a1port1;
goto loop;
}
case ID_MOD2:
{
COUNTUP_INTERACTION(vm);
// r << MOD(m,n)
long n = FIX2INT(AGENT(a1)->port[1]);
long m = FIX2INT(a2);
a2 = INT2FIX(m%n);
VALUE a1port0 = AGENT(a1)->port[0];
free_Agent(a1);
a1 = a1port0;
goto loop;
}
case ID_ERASER:
{
COUNTUP_INTERACTION(vm);
// Eps ~ (int n)
free_Agent(a1);
return;
}
case ID_DUP:
{
COUNTUP_INTERACTION(vm);
// Dup(x,y) ~ (int n) --> x~n, y~n;
VALUE a1port = AGENT(a1)->port[0];
PUSH(vm, a1port, a2);
a1port = AGENT(a1)->port[1];
free_Agent(a1);
a1 = a1port;
goto loop;
}
}
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