<<Crystal>> Glacierbadge bug

// Confirms only 206-432 & 661-999 unboosted Special Attack activate the Special Defense badge boost from Glacierbadge

#include <stdio.h>
typedef unsigned char bool;

unsigned char A, B, C, D, E, F;
bool CARRY, ZERO;

unsigned int MAX_STAT = (unsigned int) 999;

unsigned char LOW(unsigned int integer){ return (unsigned char) (integer % 256); }
unsigned char HIGH(unsigned int integer){ return (unsigned char) (integer / 256); }


void resetGlobals(){
    A = 0;
    B = 0;
    C = 0;
    D = 0;
    E = 0;
    CARRY = 0;
    ZERO = 0;
}

void ld(unsigned char* dest, unsigned char value){
    *dest = value;
}

void srl(unsigned char* reg){
    CARRY = (*reg & 1);
    *reg >>= 1;
    ZERO = (*reg == 0);
}

void rr(unsigned char* reg){
    unsigned char newCarry;
    newCarry = (*reg & 1);
    *reg >>= 1;
    *reg |= (CARRY << 7);
    CARRY = newCarry;
    ZERO = (*reg == 0);
}

void add(unsigned char reg){
    unsigned int tmpA;
    tmpA = A + reg;
    A += reg;
    CARRY = (tmpA > 255);
    ZERO = (A == 0);
}

void adc(unsigned char reg){
    unsigned int tmpA;
    tmpA = A + reg + CARRY;
    A += (reg + CARRY);
    CARRY = (tmpA > 255);
    ZERO = (A == 0);
}

void sub(unsigned char reg){
    int tmpA;
    tmpA = A - reg;
    A -= reg;
    CARRY = (tmpA < 0);
    ZERO = (A == 0);
}

void sbc(unsigned char reg){
    int tmpA;
    tmpA = A - reg - CARRY;
    A -= (reg + CARRY);
    CARRY = (tmpA < 0);
    ZERO = (A == 0);
}

void BoostStat(unsigned char _high, unsigned char _low){
    unsigned char high = _high;
    unsigned char low = _low;

    ld(&A, high);
    ld(&D, A);
    ld(&E, low);
    srl(&D);
    rr(&E);
    srl(&D);
    rr(&E);
    srl(&D);
    rr(&E);
    ld(&A, low);
    add(E);
    ld(&low, A);
    ld(&A, high);
    adc(D);
    ld(&high, A);

    ld(&A, low);
    sub(LOW(MAX_STAT));
    ld(&A, high);
    sbc(HIGH(MAX_STAT));

    if(CARRY){
        return;
    }

    ld(&A, HIGH(MAX_STAT));
    ld(&high, A);
    ld(&A, LOW(MAX_STAT));
    ld(&low, A);

    return;
}

bool testFunction(unsigned char high, unsigned char low){
    BoostStat(high, low);
    srl(&A);
    return CARRY;
}

int main()
{
    unsigned char highSpcAtk;
    unsigned char lowSpcAtk;

    unsigned int MIN_INPUT = 0;
    unsigned int MAX_INPUT = 999;

    bool out;

    for(unsigned int i = MIN_INPUT; i <= MAX_INPUT; i++){
        resetGlobals();
        highSpcAtk = HIGH(i);
        lowSpcAtk = LOW(i);
        out = testFunction(highSpcAtk, lowSpcAtk);
        printf("%4d %s\n", (highSpcAtk<<8)|lowSpcAtk, out ? "BOOST":"");
    }
}