printChar method
void
printChar()
Implementation
void printChar() {
//Debugger.verbose('${pcHex(-1)} [print_char]');
final operands = visitOperandsVar(1, false);
final z = operands[0].value!;
if (z < 0 || z > 255) {
throw GameException('ZSCII char is out of bounds.');
}
Z.sbuff.write(ZSCII.zCharToChar(z));
}