zjkuki/TommyPROM
1
0
Fork 0
forked from Apple-2-HW/TommyPROM
Code Issues Pull Requests Packages Projects Releases Wiki Activity
Simple Arduino-based EEPROM programmer
61 Commits 1 Branch 0 Tags 16 MiB
C++ 99.2%
C 0.8%
b131fbe8ae
Go to file
Tom Nisbet b131fbe8ae Fix #19 - XModem changed from 16-bit CRC to 8-bit checksum
2020-10-14 11:58:14 -04:00
docs Fix #19 - XModem changed from 16-bit CRC to 8-bit checksum 2020-10-14 11:58:14 -04:00
hardware Move readmes to the github pages 2020-06-29 11:48:57 -04:00
HardwareVerify Fix #18 - addressing bug with 74LS595 shift registers 2020-10-12 18:41:12 -04:00
TommyPROM Fix #19 - XModem changed from 16-bit CRC to 8-bit checksum 2020-10-14 11:58:14 -04:00
unlock-ben-eater-hardware optimize Ben Eater unlock setAddress timing 2020-08-14 00:29:18 -04:00
.gitignore Update gitignore for Mac 2020-08-10 14:28:57 -04:00
README.md Fix broken documentation links 2020-06-29 14:44:14 -04:00

README.md

TommyPROM - An Arduino-based EEPROM programmer

This is a simple EEPROM programmer and reader that can be assembled using an Arduino and a few additional parts. The original code was specific to the 28C256 32Kx8 EEPROM, but it has been extended to also support Intel 8755A EPROMS and some 29C010 Flash.

Features include:

  • Simple hardware design that can be assembled on a breadboard.
  • ROM images transfers using XMODEM - no special host client needed.
  • Support for fast block EEPROM writes - a 32K EEPROM will program in just a few seconds.
  • Optimized code that supports the timing requirements needed to unlock the 28C series Software Protection Algorithm.
  • Modular software design to easily support other EEPROM and EPROM families.

TommyPROM Nano Hardware

See the documentation pages for the full documentation with hardware, software, and troubleshooting tips.

Further Work

  • Add a new PromDevice class for 27 series EPROMS.
  • Additional error checking in the CmdLine code.