DavidBuchanan314

import os
import sys

"""
This (pure!) python script streams a gzip-compressed YUV4MPEG video to stdout.
It easily runs at 1080p60fps on my machine.

Pipe it into a media player like this:

python3 gzip_swar_life.py | mbuffer | gunzip - | mpv -

DavidBuchanan314

import os
import sys

"""
This (pure!) python script streams a YUV4MPEG format video to stdout. It easily
runs at 1080p60fps on my machine.

Pipe it into a media player like this:

python3 swar_life.py | mpv -

DavidBuchanan314

import inspect

# helper function to visualise the results
def print_table(width, height, function):
	grid = [["   "]*(width + 1) for _ in range(10)]
	for n in range(1, 118+1):
		y, x = function(n)
		grid[y][x] = str(n).ljust(3)

	for x in range(1, width+1):

DavidBuchanan314

import operator
from abc import ABC, abstractmethod


class Expression(ABC):
	type = None

	@staticmethod
	def cast(value):
		if isinstance(value, Expression):

DavidBuchanan314

import zlib
import io
import sys

PNG_MAGIC = b"\x89PNG\r\n\x1a\n"

def parse_png_chunk(stream):
	size = int.from_bytes(stream.read(4), "big")
	ctype = stream.read(4)
	body = stream.read(size)

DavidBuchanan314

from dataclasses import dataclass

def lambda_match_wrapper(instance, _locals):
	return type("MatchWrapper", (), {
		"__getattribute__": (lambda self, name:
			type("EqWrapper", (), {
				"__eq__": (lambda self, o:
					eval(o, None, dict(_locals, self=instance)) )})()
			if name == "_lambda" else
				instance.__getattribute__(name) )})()

DavidBuchanan314

# based on https://github.com/unicorn-engine/unicorn/blob/master/bindings/python/sample_arm.py

from __future__ import print_function
from unicorn import *
from unicorn.arm_const import *

# https://github.com/raspberrypi/pico-bootrom/blob/ef22cd8ede5bc007f81d7f2416b48db90f313434/bootrom/bootrom_rt0.S#L441-L445
CODE = bytes.fromhex("""
    .byte 0x11, 0x38, 0xc0, 0x7a, 0x00, 0xbd, 0x00, 0xb5
    .byte 0x42, 0x40, 0x00, 0x2a, 0x00, 0xf0, 0x02, 0xf8

DavidBuchanan314

// edit this path according to your needs!
var projFile = "/Users/david/Sync/programming/python/boiga/test.sb3";

var fs = require("fs");
var vm = document.querySelector("#app")._reactRootContainer.current.child.child.child.stateNode.store.getState().scratchGui.vm;
var loading = false;
var watcher = fs.watch(projFile, async (event, filename) => {
  if (!filename || loading) return;
  var fileContents = await fs.promises.readFile(projFile);
  if (!fileContents.length) return;

DavidBuchanan314

/* https://github.com/kokke/tiny-AES-c */
#ifndef _AES_H_
#define _AES_H_

#include <stdint.h>
#include <stddef.h>

// #define the macros below to 1/0 to enable/disable the mode of operation.
//
// CBC enables AES encryption in CBC-mode of operation.

DavidBuchanan314

#include <stdio.h>
#include <stdint.h>
#include <math.h>
#include <string.h>

// charset is [a-z0-9\n\-]
// scancodes from https://stackoverflow.com/a/61192565
static const uint8_t CHARSET[] = {30, 48, 46, 32, 18, 33, 34, 35, 23, 36, 37, 38, 50, 49, 24, 25, 16, 19, 31, 20, 22, 47, 17, 45, 21, 44, 2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 28, 12};

// extracted from the floppy image