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Complement of Char

Mahesh M over 18 years ago

Is any direct function is available for the complement of the char variable

Parents

0 Jonny Doin over 18 years ago in reply to Christoph Franck

Hm, maybe the OP can try this:

sbit ACC_0 = ACC^0;

unsigned char getComplement(unsigned char input)
{
    register unsigned char i = 8;

    ACC = input;

    do
    {
        ACC *= 2;
        ACC_0 = CY ? 0 : 1;
    } while(--i);

    return ACC;
}

warning: the code above is strictly non-ansi and non-portable.

Reply

0 Jonny Doin over 18 years ago in reply to Christoph Franck

Hm, maybe the OP can try this:

sbit ACC_0 = ACC^0;

unsigned char getComplement(unsigned char input)
{
    register unsigned char i = 8;

    ACC = input;

    do
    {
        ACC *= 2;
        ACC_0 = CY ? 0 : 1;
    } while(--i);

    return ACC;
}

warning: the code above is strictly non-ansi and non-portable.

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