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Casio FX-870P
Manual (Japanese with English commentary): CasioVX-4-Manual-Peter-Rost.pdf Programming in C Navigation S (red), F.COM (blue) Enter C programming mode S Source - edit code R Run - compile and run code Arrow keys Select program ...
Workbench
WHDLoad Uses .Slave files that define how to load disk files and when for disk based games and demos. Can be called with whdload SLAVE=foo.Slave or SLAVE=foo.Slave can be set up in Tool Types on the slave file with WHDLoad Default Tool.
Homarr
Restore board from backup Find default.json (or other board) in YH backup file: apps/homarr/backup/var/www/homarr/data/configs/default.json and upload to server. Put the file in the configs directory: # Stop Homarr service systemctl stop homarr.service # ...
MACRO-80 Assembler
Manual: M80 Assembler.pdf Linker: Microsoft L80 Linker.pdf Compiling Using prompt Run with M80; prompts for file names in format: [[out-dev:]out-file[.ext]][,[lit-dev:]list-file[.ext]]=[in-dev:]in-file[.ext][/options] Try =example to compile example....
Quazar OLED interface
Official site: https://2014.samcoupe.com/#graphicoled Based on SSD1305 OLED display (128x32 version?): SSD1305.pdf Uses 0x50 I/O port by default (fully configurable). I/O decoder uses 74HCT02 NOR gates and 74GCT688 8-bit comparator. The SSD1305 chip is p...
Rsync
Copy content preserving attributes of /foo to /bar: rsync -aXHA --info=progress2 --stats /foo/ /bar To exclude specific paths from /foo, for example: --exclude=/.snapshots --exclude=/.swap To use .rsync-filter files as exclude info use -F flag. For example...
LUKS encryption
Set up new encrypted volume Format cryptsetup luksFormat --type luks2 /dev/<dev> cryptsetup luksDump /dev/<dev> Note the UUID. Open cryptsetup luksOpen --allow-discards /dev/<dev> <name> Creates new device /dev/mapper/<name>. Format mkfs.btrfs /dev/ma...
CP/M Software archives
http://www.cpm.z80.de/binary.html http://www.retroarchive.org/cpm/index.html http://www.floppysoftware.es/cpm_projects.html?path=cpm_projects
Linux tools
cpmtools Disk format definitions: /usr/share/diskdefs. List files in image: cpmls -f z80mbc2-d0 rc2014_cf.img Copy all files from image: cpmcp -f z80mbc2-d0 rc2014_cf.img '0:*.*' /tmp/1 Additional entries for /usr/share/diskdefs: ## Extras for Z80-MBC2 #...
Z80ASM - Z80 Relocating Macro Assembler
Documentation: Z80ASM.PDF Compiling .Z80 assembly file to .COM file: d:z80asm <file>/f
ZASMB - A Zilog mnemonic assembler
Documentation: ZASMB Documentation.pdf Compiles .Z80 to .COM file: D:zasm <file>
FORTH-83 version 2.0 for CP/M-80
Repository: https://github.com/janaite/forth83-80 Manual: F83-20.MAN (from http://www.retroarchive.org/cpm/cdrom/CPM/FORTH-83/) Copy f83.com to your system and run it. Words: BYE - exit to CP/M WORDS - list words SEE word - see word definition VIE...
OVH VPS
Since I no longer have public IPv4 assigned to my modem/router and no way to enable modem/bridge mode I use VPS to terminate incoming traffic for HTTP and VPN-in. Type: VPS vps2020-starter-1-2-20 (1 vcore, 2 GiB RAM, 20 GB HDD) Location: London os-uk2 O...
Laws
Kirchhoff's series: I const, V divider parallel : I divider, V const Ohm's V = IR I = V/R R = V/I Power P = IV Reactance / Inductance Xc = 1/(2πfC) Xl = 2πfL Z = sqrt(R**2 + X**2)
Lilygo LORA32 - TinyGS
ESP32: esp32_technical_reference_manual_en_0.pdf Configuration Configuration can be reset using UART (e to reset configuration). In my case the display would turn off after initial loading screen. This can be fixed by configuring "OLED Bright" configurati...
TinyGS
TinyGS intro: https://youtu.be/6Q5DRqxdOaY?t=629 Board: Lilygo LORA32 Build instructions: Build-Your-Own-Satellite-Ground-Station-TinyGS-compressed.pdf GroundStation Name: HxD https://tinygs.com/station/HxD@7641588744 http://192.168.80.155/ Zab...
Raspberry Pi Pico H
Specs Dual core Arm Cortex M0+ 133 MHz 264kB multi-bank high performance SRAM 2MiB external flash Datasheet: pico-datasheet.pdf Pinout VBUS 40 - micro-USB input voltage, connected to micro-USB port pin 1. This is nominally 5V (or 0V if the USB is n...
Paper Towel Holder
This is a remix of https://www.thingiverse.com/thing:5182572/files but with better fitting inserts (Part 2): FreeCAD project: Paper Towel Holder - Custom.FCStd STL: Paper Towel Holder - Custom-Body.stl