zephray/calc-rom-research

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Created over 7 years ago
Updated over 7 years ago

zephray/calc-rom-research

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CASIO fx-ES (clone) calcuator ROM research

VerilogBoy

A Pi emulating a GameBoy sounds cheap. What about an FPGA?

NekoCal

A simple calendar using EPD (E-ink) as display based on STM32 microcontroller

NekoCart-GB

Open-source Gameboy Flash Cartridge using an Xilinx CPLD as MBC

NekoInk

Next gen. of NekoCal: An open-source hackable and programmable e-paper display

ELTerm

ANSI/VT100-compatible serial terminal built with Raspberry Pi Pico and EL640.480-AM/AG screen

ArithMax

DIY open source calculator

RISu064

Dual-issue RV64IM processor for fun & learning

prinux

Tools and scripts for running Linux on HP Prime calculator

vga_to_ascii

Realtime VGA to ASCII Art converter

Fobu

Fobu is a key fob sized open-source FPGA + ARM handheld device

zeph-39gx

a third-party open source firmware for HP-39gs calculator

SampleRateConverter

Audio sample rate converter based on polyphase FIR filter

driving-lcds

Code for my LCD driving blog posts

stm32_msc_bootloader

USB Mass Storage Bootloader for STM32F103 microcontroller

Bric

GBxProgrammer

Game Boy Cartridge Programmer

X61-Backlight-Mod

LED Backlight Kit for ThinkPad X61

CSTroN

FPGA-based CSTN monitor

BenqS6-SSD

Replacement SSD for Benq S6

SDL-1.2-N3DS

SDL 1.2.15 for Nintendo 3DS

nPal

TI-Nspire port of Chinese classic RPG game Pal

GbaStnMod

Manjuu

Python preprocessor module library for Verilog

Pants479

Adapter board to use SocketP CPU on FC-BGA479 motherboard

PenabledDisplay

Mod a ThinkPad X200T display into a USB-C pen display

WP34S-4NS

TI Nspire port of the WP 34S Simulator

MBC1-Verilog

Verilog implemention of Nintendo MBC1 used in some gameboy cartridges

cc1110-prog

Bit-bang programmer for CC1110, running on Raspberry Pi

phUSB

Portable host-side USB stack for microcontrollers

zbd-epop-900-screen-demo

Demo screen driver running on ZBD EPOP 900 ESLs

Servaru

Experimental 3D GPU in Verilog

x68k-ramcard

RAM Expansion Board for SHARP X68000

Preader

eBook Reader based on Raspberry Pi RP2040 MCU and ZBD Bistable LCD

XserveFanSpeedController

A hardware module that controls the fan speed of Xserve 3,1

PiBorZero

Yet another Raspberry Pi Zero based handheld gaming device

sweep-generator

Simple frequency sweep wave file generator

s3e_mig_lpddr

Modified version of Spartan 3E MIG to work with LPDDR memory

cpuid-nspire

CPUID tool for TI-Nspire series of calculators (for now)

uboot-imx-pne

uboot used in my projects

linux-imx-pne

Linux kernel used in my projects

Sitina2

RhythmPocket

Pocket audio player inside GameBoy case

vb-gfmpw1

VerilogBoy tapeout for GFMPW1 shuttle

nekoink-software

Nitrogen6X-PCIeAdapter

PCIe adapter for Boundary Devices Nitrogen 6X

fx-emu

Emulator for fx-es series (and clone) scientific calculator

portfolio

My portfolio, created for wentingzhang.com

RhythmPocketLite

Pocket audio player inside GameBoy case

ePS6800-Tools

Homebrew development tools for ePS6800 processor

Sharket

rocket-chip-sim

Another Verilator-based simulator setup for rocket-chip

Satrec

Saturn to Arm Thumb2 Recompiler

EL-Calendar

HackTale

CFW for TempTale Direct temperature logger

my-kicad-library

KiCAD symbol/ footprint library and scripts used in my projects

vb-gfmpw0

CoreMark-Ports