regbits - pretty print numbers as binary

README.md

Register Bits

Dump in a register value and get a binary representation that makes decoding registers just that bit easier.

Demo

regbits.py

#!/usr/bin/python3

import argparse
from ansi.colour import fg
from ansi.colour.fx import reset
from math import ceil

def auto_int(x):
	return int(x, 0)

parser = argparse.ArgumentParser(description='Pretty print')
parser.add_argument('-b', '--bits', type=int, default=None, help='Number of bits')
parser.add_argument('value', type=auto_int, help='Value to print')

args = parser.parse_args()

print("\n")
pretty_val = ""
if (args.value >> 32) > 0:
    pretty_val += f"{fg.cyan}{args.value >> 32:#10x}"
    pretty_val += f"{fg.green}{args.value & 0xFFFFFFFF:08x}{reset}"
else:
    pretty_val += f"{fg.green}{args.value & 0xFFFFFFFF:#010x}{reset}"
print(f"Value: {pretty_val} // {fg.blue}{args.value}{reset}\n\n\t", end="")

bl = args.value.bit_length()
if args.bits is None or bl > args.bits:
    args.bits = ceil(bl/8)*8

cols = [fg.blue, fg.cyan, fg.green, fg.magenta, fg.yellow, fg.red]
coli = len(cols)-1
for i in reversed(range(args.bits)):
    if i % 8 == 7:
        print(f"{cols[coli % len(cols)]}", end="")
        coli -= 1
        if coli < 0:
            coli = len(cols)-1
    print(f"{i:3d} ", end="")

print(f"{reset}\n", end="")

print("\t╭", end="")
print("───┬" * (args.bits - 1) , end="")
print("───╮\n\t│", end="")

for i in reversed(range(args.bits)):
    print(" x │" if args.value & (1 << i) else "   │", end="")

print("\n\t╰", end="")
print("───┴" * (args.bits - 1) , end="")
print("───╯\n")