bool ld, sv;

attr_a1.channel = 0;
attr_a2.channel = 1;
attr_a3.channel = 2;
attr_a4.channel = 3;
attr_a5.channel = 4;
attr_a6.channel = 5;
attr_a7.channel = 6;
attr_a8.channel = 7;
int pattern = (param_pattern - 1) * 96 * 8;
if (param_save && !sv) {
  sv = 1;
  attr_a1.save = 1;
  attr_a2.save = 1;
  attr_a3.save = 1;
  attr_a4.save = 1;
  attr_a5.save = 1;
  attr_a6.save = 1;
  attr_a7.save = 1;
  attr_a8.save = 1;
  attr_a1.pattern = pattern;
  attr_a2.pattern = pattern;
  attr_a3.pattern = pattern;
  attr_a4.pattern = pattern;
  attr_a5.pattern = pattern;
  attr_a6.pattern = pattern;
  attr_a7.pattern = pattern;
  attr_a8.pattern = pattern;
} else if (!param_save && sv) {
  sv = 0;
  attr_a1.save = 0;
  attr_a2.save = 0;
  attr_a3.save = 0;
  attr_a4.save = 0;
  attr_a5.save = 0;
  attr_a6.save = 0;
  attr_a7.save = 0;
  attr_a8.save = 0;
}
if (param_load && !ld) {
  ld = 1;
  attr_a1.load = 1;
  attr_a2.load = 1;
  attr_a3.load = 1;
  attr_a4.load = 1;
  attr_a5.load = 1;
  attr_a6.load = 1;
  attr_a7.load = 1;
  attr_a8.load = 1;
  attr_a1.pattern = pattern;
  attr_a2.pattern = pattern;
  attr_a3.pattern = pattern;
  attr_a4.pattern = pattern;
  attr_a5.pattern = pattern;
  attr_a6.pattern = pattern;
  attr_a7.pattern = pattern;
  attr_a8.pattern = pattern;
} else if (!param_load && ld) {
  ld = 0;
  attr_a1.load = 0;
  attr_a2.load = 0;
  attr_a3.load = 0;
  attr_a4.load = 0;
  attr_a5.load = 0;
  attr_a6.load = 0;
  attr_a7.load = 0;
  attr_a8.load = 0;
}