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Gent edited this page Jun 25, 2024 · 36 revisions

Welcome to Retro-HQ-7800-GD-Cheat-Tool

This is a more advance Windows Application based off of 7800GD-Cheat which is a command line tool to validate the 7800GD.CHT file and help generate CRC's for A78 ROM files.

To use the project

Make sure you place Retro HQ 7800 GD Cheat Tool.exe, 7800GD.CHT and your Rom in the same directory

Launch the project and use File or the the drop down bar to select your option

  1. Parse 7800GD.CHT file (This requires you have to file named 7800GD.CHT)
  2. ROM Information (This displays the Name and CRC of a ROM to use with 7800GD.CHT)
  3. Cheat Management (This allows you to load, edit & add new game cheats to the 7800GD.CHT)

To use Parse 7800GD.CHT

or

Make the selection to Parse 7800GD.CHT

and then click Submit

the information will be displayed in a new window and If it has passed it will display like the above image.

If it has failed the parse it will show what has failed and what the line:row is for you to check and fix until it parses.

Parse And Edit 7800GD.CHT Video

To use the goto line function, use CTRL+G

Press Here To Play

Press CTRL & Click together to open the video a new tab.

To use ROM Information

or

Make the selection of ROM Information

and then click Submit

then select the ROM you want to display Internal Name and CRC for and click Open

the information will then be displayed as shown above

Click copy to clipboard if you would like to paste it to a text file.

You will will then get a message telling you that the data was saved to clipboard

It will look like this on pasting to a text file for you to save if you so choose.

To use Cheat Management (Add New Cheat)

or

Make the selection to Cheat Management

and then click Submit

The 7800 GD Cheat Management dialog will now be open and ready to use.

Click on the Open 7800GD.CHT

and then select the 7800GD.CHT file and click Open.

The file will now be loaded and ready to edit or add a new cheat entry.

As we are adding a new cheat, click on the Insert CRC and Name button

and then select the ROM you will be adding support for and click Open.

The games CRC and Internal Header Name will now be placed in the correct order ready for you to add the New Cheat Name.

Add your Cheat Name, Cheat Address and Value (All 3 if you have them for one cheat) and click Submit.

Your new game name and crc and cheat name with codes will now be entered to the bottom of the 7800GD.CHT file on the right hand side panel.

If you have another cheat to add, click on Clear All Fields button

and a message box will tell you that all data has been cleared. Click the OK button to continue.

Now click on the file after the last value and press the delete button on your keyboard

and you are now ready to enter the details of your next cheat.

Just fill in the Cheat Name, Address and Value and click Submit. (Leaving the CRC & Game Name blank)

You will now get several warnings about CRC, Game Name, and Address, Value if only one code was entered like above, click OK on each.

The cheat will now also be added to the file in the correct order as shown above.

Now click on the Save button to save your update.

Select the 7800GD.CHT file and click Yes to the Do you want to replace it? Message.

The file has now been saved. If you are done click on the Close button to return to the main application, or repeat to add another game.

Add New Cheat Video

Press Here To Play

Press CTRL & Click together to open the video a new tab.

Latest 7800GD.CHT File

Check for the latest version of the 7800GD.CHT File so you are up to date with the latest file.