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char to unsigned int

Rod Ladwig

Hi all

Here is some code

char prev_ch;
unsigned int chksum_read;

chksum_read += (WORD)prev_ch*256;
chksum_read += (unsigned int)prev_ch<<8;

if prev_ch has a value of 0xDB after one of of the two above statments cheksum_read is 0xDA00 instead of 0xDB00. Can anyone explain where I am going wrong?

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