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syntax on
filetype on
filetype indent on
filetype plugin on
set autochdir
set autoindent
set backspace=2
set backspace=indent,eol,start
set expandtab
;; cmp word [ball_x], WIDTH - BALL_WIDTH
ref_x: cmp word 30, WIDTH - BALL_WIDTH
;; the "+ 1" here is the size of the "cmp word" opcode
;; ball_x will point to the memory address of "30" above
%define ball_x (ref_x + 1)
package main
import (
zorchenhimer /
Last active July 10, 2023 18:24
Setting up a build environment for the NES with cc65

Setting up a NES Build environment

This setup will allow you to assemble the NES projects I've got up on GitHub.


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zorchenhimer / remove-win10-spyware.bat
Created September 22, 2015 01:36
Remove all the nasty stuff that was backported to Windows 7 and 8 from Windows 10.
@echo off
echo Error: Not running as administrator.
echo Please right click the batch file and select 'Run as Administrator'
exit /b 1
echo Uninstalling bad updates...
zorchenhimer /
Created June 26, 2015 22:43
Pack and unpack COBOL's COMP-3 numbers.
#!/usr/bin/env python
# -*- coding: utf-8 -*-
Pack and unpack COBOL's COMP-3 numbers.
Cobol stores most numbers as strings. There are times that they are stored in a
packed format ("Computational numbers"). Comp numbers are not stored like
traditional numbers (16-bit, 32-bit, 64-bit, etc), but in a bit length that is
four times the number of digits in the stored value plus four bits. For a
zorchenhimer /
Last active August 29, 2015 14:13
Add or verify CRC32 checksums in filenames.
use strict;
use warnings;
use Getopt::Long;
use Pod::Usage;
use Digest::CRC;
# Disable output buffer
zorchenhimer /
Created December 24, 2014 22:53
Bogo Sort is best sort.
import random
import time
import copy
def check_sort(lst):