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@justinian
justinian / linux-x64-nasm-cheatsheet.md
Last active March 27, 2026 02:12
x64 NASM Cheat Sheet

x64 NASM cheat sheet

Registers

64 bit 32 bit 16 bit 8 bit
A (accumulator) RAX EAX AX AL
B (base, addressing) RBX EBX BX BL
C (counter, iterations) RCX ECX CX CL
D (data) RDX EDX DX DL
@kay
kay / hsdis-ubuntu.sh
Last active October 21, 2019 21:16 — forked from zajacmp3/hsdis-ubuntu.sh
Build hsdis for JDK 1.8 on Debian/Ubuntu
sudo apt-get install libgmp-dev libmpfr-dev libmpc-dev g++-multilib mercurial texinfo
hg clone http://hg.openjdk.java.net/jdk8u/jdk8u
cd jdk8u
hg update jdk8u92-b14
sed -ri 's/subrepos="[^"]+"/subrepos="hotspot"/' ./make/scripts/hgforest.sh # only get hotspot
sed -ri 's/subrepos="[^"]+"/subrepos="hotspot"/' ./common/bin/hgforest.sh # only get hotspot
chmod +x ./get_source.sh; ./get_source.sh
cd hotspot/src/share/tools/hsdis
wget http://ftp.heanet.ie/mirrors/ftp.gnu.org/gnu/binutils/binutils-2.29.tar.gz
tar -xzf binutils-2.29.tar.gz
@Konamiman
Konamiman / 0. WiFi for Ethernet-only devices via Raspberry Pi.md
Last active April 13, 2025 20:49
How to use a Raspberry Pi to provide WiFi for Ethernet-only devices, and how to use stunnel as a SOCKS server ro provide indirect TLS support

What's this?

I love MSX computers. I have developed quite a few things for them, including a TCP/IP stack and some networking applications. Some other MSX nerds have developed networking hardware, so boom! Here it is, Internet access from MSX, a 1980s 8 bit machine. How cool is that?

However there are a few issues that prevent us the MSX users to reach the absolute networking happiness:

  1. At the time of this writing, there isn't any solution for wireless Internet for MSX, only Ethernet hardware.
  2. InterNestor Lite, the TCP/IP stack for MSX, doesn't support TLS. It's not that the developer (me!) is too lazy to implement it, it's just that a Z80 can't handle the required encryption algorythms. Trust me, I tried.

So

@pojntfx
pojntfx / main.sh
Last active February 11, 2026 16:22
PXE booting iPXE in a QEMU virtual machine with the host's DHCP and TFTP server
sudo ip tuntap add tap0 mode tap user root
sudo ip addr add dev tap0 10.0.0/24
sudo ip link set tap0 up
# See https://pojntfx.github.io/go-isc-dhcp/
cat >/tmp/dhcpd.yaml <<EOF
dhcpd:
device: tap0
subnets:
- netmask: 255.255.255.0
@Gavinok
Gavinok / y.tmac
Last active May 24, 2024 18:24
A collection of groff,pic,and eqn macros used in many of my local files. Note that many of these are not my own work and come from a variety of sources.
.defcolor LOCALBLUE rgb 0.1 0.1 0.9
.de NOTE
\m[LOCALBLUE]NOTE\m[]: \\$*
..
.de PROOF
.ft BI
PROOF
.ft
..
.defcolor LOCALRED rgb 1 0.0 0.0
@GestaltEngine
GestaltEngine / box.c
Created November 12, 2021 02:38
Changes rendering of fractions
/* equation boxes */
#include <stdarg.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "eqn.h"
struct box *box_alloc(int szreg, int pre, int style)
{
struct box *box = malloc(sizeof(*box));
@Oderjunkie
Oderjunkie / CPP.ORG
Last active April 3, 2025 05:46
C Preprocessor Abuse

C Preprocessor Abuse

@auchenberg
auchenberg / index.js
Created March 31, 2024 23:25
Script to delete all Google Photos from console (2024)
const maxCount = 500;
const counterSelector = '.rtExYb';
const checkboxSelector = '.ckGgle[aria-checked=false]';
const photoDivSelector = ".yDSiEe.uGCjIb.zcLWac.eejsDc.TWmIyd";
const deleteButtonSelector = 'button[aria-label="Delete"]';
const confirmationButtonSelector = '#yDmH0d > div.VfPpkd-Sx9Kwc.cC1eCc.UDxLd.PzCPDd.V639qd.bvQPzd.oEOLpc.A9Uzve.VfPpkd-Sx9Kwc-OWXEXe-FNFY6c > div.VfPpkd-wzTsW.O4g5Md.iWO5td > div > div.VfPpkd-cnG4Wd.m5OsGf > div > div.VfPpkd-T0kwCb.IdSMxc > button.VfPpkd-LgbsSe.VfPpkd-LgbsSe-OWXEXe-k8QpJ.nCP5yc.AjY5Oe.LQeN7.kDryjd';
async function deleteGooglePhotos() {
// Retrieves the current count of selected photos
const getCount = () => {