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sf2000/tools/biosCRC32Patcher.htm

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Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
<!DOCTYPE html>
Set HTML language for boot logo changer and CRC32 patcher
2023-06-26 14:17:35 +02:00
<html lang="en">
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>Data Frog SF2000 BIOS CRC32 Patcher</title>
<meta name="viewport" content="width=device-width">
Moved tool CSS to shared CSS file Just for future flexibility, moved the CSS from each individual tool to a shared CSS library
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<link rel="stylesheet" href="tools.css">
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
</head>
<body>
<h1>Data Frog SF2000 BIOS CRC32 Patcher</h1>
<p>This tool will recalculate and patch the CRC32 check bits for a modified <code>bisrv.asd</code> BIOS file for the SF2000; only really useful if you've manually modified data outside of the "safe" areas covered by my other tools. If you haven't done your own hex editing of the BIOS, then this tool probably isn't for you! 🙂</p>
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
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<p id="initialWarning"></p>
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
<hr>
<div id="steps">
<section id="bisrvSection">
<h2>Step 1: Select Your <code>bisrv.asd</code></h2>
<p>Select your <code>bisrv.asd</code> file. You should probably make a backup of the file first, just in case!</p>
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
<div id="bisrvMessages"></div>
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
<div class="controlContainer">
<label class="control">Open <code>bisrv.asd</code>: <input id="bisrvSelector" type="file" accept=".asd,application/octet-stream" onchange="bisrvLoad(event.target.files[0])"></label>
</div>
</section>
</div>
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
<script src="tools.js"></script>
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
<script type="text/javascript">
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
// Global variables...
var bisrvData; // Used to store the binary data from the bisrv.asd file
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
// Display our initial warning message
setMessage("warning", "initialWarning", "<strong><em>WARNING:</em></strong> This tool will just blindly modify bytes <code>0x18c</code> to <code>0x18f</code> of whatever input file you provide; correct usage of this tool is therefore up to you, not me! 🤣");
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
function bisrvLoad(file) {
// We've got a new file - clear any old error messages and any HTML after
// Step 1...
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
document.getElementById("bisrvMessages").innerHTML = "";
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
while(document.getElementById("bisrvSection").nextSibling) {
document.getElementById("bisrvSection").nextSibling.remove();
}
// Check to make sure the file is at least ~512-bytes-ish long (CRC32 for
// bisrv.asd is calculated for bytes 512 onwards)...
if (file.size < 520) {
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
setMessage("error", "bisrvMessages", "ERROR: Provided file is too small!");
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
return;
}
// If we're here then we should be good - read in our file and store its
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
// contents in bisrvData, then patch the CRC32 bytes...
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
var frBisrv = new FileReader();
frBisrv.readAsArrayBuffer(file);
frBisrv.onload = function(event) {
// Read the provided file's data into an array...
bisrvData = new Uint8Array(event.target.result);
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
// Patch the CRC32 bytes...
patchCRC32(bisrvData);
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
// And display Step 2...
stepTwo();
};
}
function stepTwo() {
// Start building our HTML...
var html = "<section id=\"downloadSection\"><h2>Step 2: Download Patched <code>bisrv.asd</code></h2><p>Click the download button for the patched <code>bisrv.asd</code> file; use it to replace the one in the <code>bios</code> folder on your SF2000's microSD card.</p><div id=\"downloadSectionMessages\"></div>";
// Add our download button...
html += "<div class=\"controlContainer\"><div class=\"control\"><input id=\"downloadButton\" type=\"button\" value=\"Download\"></div></div>";
// Finally, add a <hr> separator after the last step, and append the new step...
document.getElementById("steps").insertAdjacentHTML("beforeend", "<hr>");
document.getElementById("steps").insertAdjacentHTML("beforeend", html);
// Attach our event handler to our download button...
var dButton = document.getElementById("downloadButton");
dButton.addEventListener("click", function() {
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
downloadToBrowser(bisrvData, "application/octet-stream", "bisrv.asd");
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
});
}
</script>
<hr>
Transitioned to shared Javascript library There was a lot of repeated JS across all my tools (e.g., image conversion, BIOS hash checking, etc.), and so I decided to move all shared code out to its own separate library. This will improve scalability and maintainability at the cost of portability - a fair trade in my opinion. This work also involved large-scale refactoring of all of the tools. There's no actual functional difference (all the tools should behave exactly the same), bar some UI improvements for the oldest tools as a result of moving to the same codebase used by the more recent tools.
2023-06-26 15:11:01 +02:00
<p><a rel="license" href="https://creativecommons.org/publicdomain/zero/1.0/">CC0</a>: public domain. Version 1.1, 20230626.1</p>
Added CRC32 patcher tool, updated Audacity instructions Audacity instructions were for Audacity 2.x, have now been updated for 3.x
2023-05-26 14:01:55 +02:00
</body>
</html>
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