or method
void
or()
Implementation
void or() {
//Debugger.verbose('${pcHex(-1)} [or]');
final operands = mem.loadb(programCounter- 1) < 193
? visitOperandsLongForm()
: visitOperandsVar(2, false);
final resultTo = readb();
writeVariable(resultTo, (operands[0].value! | operands[1].value!));
}