Newman/Haas Racing cheat code handler

newman_haas.c

void title_cheat_handler_01(void)

{
  int buffer_index_1;
  int buffer_index_2;
  
  if ((249 < cheat_timer_01) && (cheat_entry_active == '\0')) goto LAB_80046a18;
  if (cheat_timer_01 < 0xfc) {
    cheat_timer_01 = cheat_timer_01 + 1;
  }
  if (cheat_entry_active != '\0') {
    if (direction_01 == 'L') {
      if ((p1_held_01 & 0x80) == 0) {
        if (((p1_held_01 & 0x20) == 0) || (buffer_index_1 = buffer_pos_01 + 1, 99 < buffer_pos_01))
        {
LAB_80046960:
          cheat_timer_01 = cheat_timer_01 + 1;
        }
        else {
          buffer_pos_01 = (short)buffer_index_1;
          (&letter_buffer_00)[buffer_index_1 * 0x10000 >> 0x10] = 1;
          direction_01 = 'R';
LAB_80046950:
          cheat_timer_01 = 0;
        }
      }
      else {
LAB_800468e0:
        (&letter_buffer_00)[buffer_pos_01] = (&letter_buffer_00)[buffer_pos_01] + '\x01';
        cheat_timer_01 = 0;
      }
    }
    else if (direction_01 == 'R') {
      if ((p1_held_01 & 0x20) == 0) {
        if (((p1_held_01 & 0x80) == 0) || (buffer_index_2 = buffer_pos_01 + 1, 99 < buffer_pos_01))
        goto LAB_80046960;
        buffer_pos_01 = (short)buffer_index_2;
        (&letter_buffer_00)[buffer_index_2 * 0x10000 >> 0x10] = 1;
        direction_01 = 'L';
        goto LAB_80046950;
      }
      goto LAB_800468e0;
    }
  }
  if (((p1_held_01 & 0x80) == 0) || (cheat_entry_active != '\0')) {
    if (((p1_held_01 & 0x20) != 0) && (cheat_entry_active == '\0')) {
      direction_01 = 'R';
      goto LAB_800469ec;
    }
  }
  else {
    direction_01 = 'L';
LAB_800469ec:
    cheat_entry_active = cheat_entry_active + '\x01';
    letter_buffer_00 = 1;
    buffer_pos_01 = 0;
    cheat_timer_01 = 0;
  }
  if (250 < cheat_timer_01) {
    cheat_entry_active = '\0';
  }
  apply_cheat_effects_01();
LAB_80046a18:
  if ((p1_held_01 & 0xc00) == 0xc00) {
    cheat_timer_01 = 0;
  }
  return;
}