mirror of https://github.com/raphnet/4nes4snes
71 lines
2.1 KiB
Plaintext
71 lines
2.1 KiB
Plaintext
This is 4nes4snes Readme.txt file.
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Table of contents:
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1) What is 4nes4snes?
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2) USB Implementation
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3) Compilation and installation
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4) License
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5) About the vendor id/product id pair:
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6) Where do I get more information and updates?
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1) What is 4nes4snes?
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--------------------
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4nes4snes if a firmware for Atmel ATmega8 and Atmega168*
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which allows one to connect up to 4 NES and/or SNES
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controllers to a PC using a single circuit.
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The device connects to an USB port and appears to the
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PC as standard HID joystick with 4 report Id's. This means
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that it looks like 4 controllers in Windows's
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control_panel->game_controllers window.
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* Other devices from the same family are probably supported, but
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not tested.
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2) USB Implementation
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------------------
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4nes4snes uses the software-only usb driver from Objective Development.
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See http://www.obdev.at/products/avrusb/index.html
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A good portion of 4nes4snes is based on Objective Development's
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HIDKeys example.
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3) Compilation and installation
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----------------------------
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First, you must compile it. To compile, you need a working avr-gcc and
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avr-libc. Under linux or cygwin, simply type make in the project directory.
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(assuming avr-gcc is in your path).
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Next, you must upload the generated file (main.hex) to the Atmega8 using
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whatever tools you like. Personally, I use uisp. The 'flash' and 'fuse'
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targets in the makefile is a good example about how to use it.
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The Atmega fuse bits must also be set properly. The idea behind this is to
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enable the external 12mhz crystal instead of the internal clock. Check the
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makefile for good fuse bytes values.
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4) License
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-------
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4nes4snes is released under the GPLv2 license. See License.txt
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5) About the vendor id/product id pair:
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------------------------------------
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Please do not re-use them for other projects. Instead,
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obtain your own.
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6) Where can I get more information and updates?
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--------------------------------------------
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Visit the 4nes4snes webpage:
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http://www.raphnet.net/electronique/4nes4snes/index_en.php
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you may also contact me by email:
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Raphael Assenat <raph@raphnet.net>
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