nurpax

// Modded from from https://gist.github.com/karlseguin/c6bea5b35e4e8d26af6f81c22cb5d76b

// in your build.zig, you can specify a custom test runner:
// const tests = b.addTest(.{
//   .target = target,
//   .optimize = optimize,
//   .test_runner = "test_runner.zig", // add this line
//   .root_source_file = .{ .path = "src/main.zig" },
// });

nurpax

C64 "lines" size optimization contents

Deadline: midnight Finnish time on Monday, Aug 12, 2019.

Problem: make a PRG file that draws two crossing lines in C64 text mode in as few bytes as possible. The output should look exactly like this:

(Note: the reference includes the black border. See the reference code for details.)

nurpax

!use "./text" as text

!byte text("testing 123")

nurpax

import numpy as np
import sys

# C64 ROM font:
# https://github.com/nurpax/petmate/raw/master/assets/system-charset.bin

unallowed_pattern = np.array([
    [1, 0, 0, 0, 0, 0, 1, 0],
    [1, 1, 0, 0, 0, 1, 1, 0],

nurpax

import torch
import torch.utils.cpp_extension

def compile():
    ext_name = 'ext1'
    torch.utils.cpp_extension.load(name=ext_name, sources=['ext1.cpp', 'ext1cuda.cu'], with_cuda=True, verbose=True)

def main():
    compile()

nurpax

#include "sokol_gfx.h"
#include <assert.h>
#include "mui_renderer.h"
#include "mui_atlas.inl"
#include "HandmadeMath.h"
#include <string.h>

#define BUFFER_SIZE 16384

nurpax

import numpy as np
import math
import functools

import torch
import torch.nn as nn
from torch.nn import init
import torch.optim as optim
import torch.nn.functional as F
from torch.nn import Parameter as P

nurpax

!filescope c64
!macro basic_start(addr) {
* = $801
    !byte $0c, $08, $00, $00, $9e
    !for d in [10000, 1000, 100, 10, 1] {
        !if (addr >= d) {
            !byte $30 + (addr/d)%10
        }
    }

nurpax

module.exports = {
  create: ({}, initial) => {
    const stack = [initial];
    return {
      push: (elt) => {
        stack.push(elt)
      },
      pop: () => stack.pop(),
      top: () => {
        return stack[stack.length-1];

nurpax

!include "c64.asm"

+c64::basic_start(entry)

entry: {

	lda #0
	sta $d020
	sta $d021