convert BCD to 16-bits integer

[hashem]

Convert a 4 digit number stored in a global array bcdval[4] in the format of Binary Coded Decimal (BCD) to a 16‐bit integer value stored in global variable ival. Sample of input and output:
char bcdval[4] = {2, 9, 8, 7};
int ival; Gives ival = 0x0BAB

[weaknessforcats]

This looks like a homework assignment.

First: How do you convert any integer to BCD?

Of you can do it on paper theb yu can code it.

Please post your paper conversion.