zerucheck_key_check

BOOL zurumode::zerucheck_key_check(zuruKeyCheck *keyCheck,InputStates controllerState)

{
  InputStates IVar1;
  byte bVar2;
  byte bVar3;

  bVar2 = keyCheck->state;
  bVar3 = keyCheck->field1_0x1;
  if (bVar2 != 0xb) {
    IVar1 = keyCheck->lastButtonState;
    keyCheck->lastButtonState = controllerState;
    IVar1 = controllerState & (IVar1 ^ controllerState);
    if ((controllerState == NONE) && (bVar3 == 1)) {
      bVar3 = 0;
    }
    else if (IVar1 != NONE) {
      if (bVar3 == 1) {
        bVar2 = 0;
      }
      if (bVar2 == 7) {
        if (IVar1 == C-RIGHT) {
          bVar2 = 8;
        }
        else {
          bVar2 = 0;
        }
      }
      else if (bVar2 < 7) {
        if (bVar2 == 3) {
          if (IVar1 == C-UP) {
            bVar2 = 4;
          }
          else {
            bVar2 = 0;
          }
        }
        else if (bVar2 < 3) {
          if (bVar2 == 1) {
            if (IVar1 == D-UP) {
              bVar2 = 2;
            }
            else {
              bVar2 = 0;
            }
          }
          else if (bVar2 == 0) {
            if ((controllerState == (R|L|Z)) && (IVar1 == Z)) {
              bVar2 = 1;
              bVar3 = 1;
            }
          }
          else if (IVar1 == C-DOWN) {
            bVar2 = 3;
            bVar3 = 1;
          }
          else {
            bVar2 = 0;
          }
        }
        else if (bVar2 == 5) {
          if (IVar1 == D-LEFT) {
            bVar2 = 6;
          }
          else {
            bVar2 = 0;
          }
        }
        else if (bVar2 < 5) {
          if (IVar1 == D-DOWN) {
            bVar2 = 5;
            bVar3 = 1;
          }
          else {
            bVar2 = 0;
          }
        }
        else if (IVar1 == C-LEFT) {
          bVar2 = 7;
          bVar3 = 1;
        }
        else {
          bVar2 = 0;
        }
      }
      else if (bVar2 == 0x5b) {
        if (IVar1 == B) {
          bVar2 = 10;
        }
        else {
          bVar2 = 0;
        }
      }
      else if (bVar2 < 0x5b) {
        if (bVar2 == 10) {
          if (IVar1 == START) {
            bVar2 = 0xb;
          }
          else {
            bVar2 = 0;
          }
        }
        else if (bVar2 < 10) {
          if (bVar2 < 9) {
            if (IVar1 == D-RIGHT) {
              bVar2 = 9;
              bVar3 = 1;
            }
            else {
              bVar2 = 0;
            }
          }
          else if (IVar1 == (B|A)) {
            bVar2 = 10;
          }
          else if (IVar1 == A) {
            bVar2 = 0x5b;
          }
          else if (IVar1 == B) {
            bVar2 = 0x5c;
          }
          else {
            bVar2 = 0;
          }
        }
      }
      else if (bVar2 < 0x5d) {
        if (IVar1 == A) {
          bVar2 = 10;
        }
        else {
          bVar2 = 0;
        }
      }
    }
  }
  if (bVar2 == 0xb) {
    keyCheck->correctKeyEntered = keyCheck->correctKeyEntered ^ 1;
    keyCheck->state = 0;
    keyCheck->field1_0x1 = 0;
  }
  else {
    keyCheck->state = bVar2;
    keyCheck->field1_0x1 = bVar3;
  }
  return (uint)keyCheck->correctKeyEntered;
}