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PJRC Store 8051 Dev Board, $79 LCD 20x2 Display, $11 Serial Cable, $5 12 Volt Power, $8 More Components... 8051 Tools Main Page Software PAULMON Monitor Download Code Manual Table of Contents Introduction Hardware Req. Software Req. Getting Started Standard Commands Extra Commands Built-In Functions Example Programs Tutorial Using Serial Port Program Headers Single-Step Run Using Flash ROM Intel-Hex Format Adding Commands Customizing PAULMON2Incomplete Common Problems Version 1 Development Board Code Library 89C2051 Programmer Other Resources

Introductions to PAULMON2

By placing PAULMON2 in the board's EPROM, the board will "boot-up" to a menu-driven monitor, which you can control using a standard terminal emulation program. PAULMON2 allows you to download your programs to RAM and run them, which is much faster and easier than reprogramming the EPROM. PAULMON also provides several features to help you debug your programs.

PAULMON2 also provides many useful built-in functions which you may call from your programs. Several of these are quite useful for debugging your code.

Because PAULMON2 is in the public domain, when your 8051 program is nearly finished, any portions of PAULMON2 which your program uses may be copied directly into your code to make it into a stand-alone application.

PAULMON2 also contains features which can utilize Flash ROM. Boards equipped with Flash ROM can be made "dedicated" by downloading a slightly modified copy of the application program, and PAULMON2 will run it when the board is reset instead of starting with the usual welcome screen and prompt. If the code must later be upgraded, a jumper may be inserted to tell PAULMON2 to erase the Flash ROM chip and return to development mode, so that new code may be downloaded.