binary encoding foo

// ------------------------------------------------------------------------------
// THE BEER-WARE LICENSE (Revision 43):
// <aaronryool@gmail.com> wrote this file. As long as you retain this notice you
// can do whatever you want with this stuff. If we meet some day, and you think
// this stuff is worth it, you can buy me a beer in return
// ------------------------------------------------------------------------------

#define SIZE_BYTE 8
#define SIZE_WORD 16
#define SIZE_DOUBLEWORD 32
#define SIZE_QUADWORD 64

unsigned Madnsize(long unsigned x)
{
    return  x&0xFFFFFFFF00000000 ? SIZE_QUADWORD :
                x&0xFFFF0000 ? SIZE_DOUBLEWORD :
                    x&0xFF00 ? SIZE_WORD:
                        SIZE_BYTE;
}

void encode_instruction(std::vector<int>* bcode, long unsigned in)
{
    for(int i=(Madnsize(in)/SIZE_BYTE)-1;i>=0;i--)
        bcode->push_back(0xff&((in&(0xff<<SIZE_BYTE*i))>>SIZE_BYTE*i));
}


void encode_little_endian(std::vector<int>* bcode, long unsigned in)
{
    for(int i=0;i<=(Madnsize(in)/SIZE_BYTE)-1;i++)
        bcode->push_back(0xff&((in&(0xff<<SIZE_BYTE*i))>>SIZE_BYTE*i));
}