bb - Feature Overview

123 faa     unquoted hexadecimal
0xcafe      canonical hexadecimal
$FFFF       $-prefixed hexadecimal
100h        h-postfixed hexadecimal

'42         canonical decimal, must be quoted in hex mode

0o664       canonical octal

'0b1010     canonical binary, must be quoted in hex mode
0i1010      canonical binary, does not need a quote

+           addition
-           subtraction
*           multiplication
/           integer division
%           remainder
//          floor of real division
%%          modulo (zero or same sign as divisor)

&           bitwise AND
|           bitwise OR
^           bitwise XOR

unary -     negation
unary ~     complement

<<          shift left
>>          shift right
s>>         signed shift right
<<<         rotate left
>>>         rotate right

u*u         multiplication with zero/zero extension
s*u         multiplication with sign/zero extension
u*s         multiplication with zero/sign extension
s*s         multiplication with sign/sign extension

u/u         unsigned division
s/u         signed/unsigned division
u/s         unsigned/signed division
s/s         signed/signed division

:hi#        select high # bits
:lo#        select low # bits
:msb        select MSB
:lsb        select LSB
:#          select bit #
:#-#        select bit range (can use 'msb' and 'lsb' in place of #)
:(...)      select bit list, eg. :(0,5-msb)

[...]#      put in a box of # bits width
unary ^     unbox
unary ^s    unbox signed

<-          name binding

(a /  b) * b + (a %  b) == a
(a // b) * b + (a %% b) == a