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references/TimothyLottesBlog/20150722_-_1536-3__Simplify_Repeat.md

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+# 20150722 - 1536-3 : Simplify, Repeat
+
+**Source:** https://refined-github-html-preview.kidonng.workers.dev/gomson/TimothyLottes.github.io/raw/refs/heads/master/20150722.html
+
+# 20150722 - 1536-3 : Simplify, Repeat
+
+  
+Night 3 on the 1536 project, decided to make some changes before going full ahead with writing an editor.  
+  
+(1.) Switched the boot loader to not relocate to zero.
+Now leaving the BIOS areas alone, I doubt I'll ever go back to real mode after switching to long mode,
+this ends up making the code easier, and provides room for the next change.  
+  
+(2.) Switched the boot loader to fetch the first 15 tracks instead of just 1 track.
+Now have a little over 472KB of source to work with on boot,
+which is effectively infinite for this project.
+The motivation for this change was the realization that x86-64 assembly source would get big.
+Don't want to change this later. 472KB is close to the maximum without checking for things like EBA, or handling non-full-track reads.  
+  
+(3.) Switched to an easier source model. Lines are now always 64 characters long.
+Comments are switch to a single \ which functions like the C // style comment, ignoring the rest of the line.
+Since lines are always 64 bytes (cacheline sized and aligned),
+the interpreter can quickly skip over comments.
+This is a trade in increased source size, for simplification of the editor:
+fixed size lines makes everything trivial.  
+  
+(4.) Making a convention that syntax highlighting with color only has a line of context.
+Which translates into don't let things wrap. Easy.