diff --git a/.gitignore b/.gitignore
new file mode 100644
index 0000000..5c8adf4
--- /dev/null
+++ b/.gitignore
@@ -0,0 +1,25 @@
+# Build directory — everything Make produces
+build/
+
+# Object files
+*.o
+*.obj
+
+# Compiled binaries
+*.elf
+*.bin
+
+# Disk images
+*.iso
+*.img
+
+# Editor / IDE
+.vscode/
+.idea/
+*.swp
+*.swo
+*~
+
+# OS junk
+.DS_Store
+Thumbs.db
diff --git a/build/isofiles/boot/grub/grub.cfg b/build/isofiles/boot/grub/grub.cfg
deleted file mode 100644
index 4a7cff3..0000000
--- a/build/isofiles/boot/grub/grub.cfg
+++ /dev/null
@@ -1,7 +0,0 @@
-set timeout=0
-set default=0
-
-menuentry "TurtleOS" {
-	multiboot /boot/kernel.elf
-	boot
-}
diff --git a/build/isofiles/boot/kernel.elf b/build/isofiles/boot/kernel.elf
deleted file mode 100755
index 33a07c3..0000000
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diff --git a/build/kernel.elf b/build/kernel.elf
deleted file mode 100755
index 33a07c3..0000000
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diff --git a/build/kernel.iso b/build/kernel.iso
deleted file mode 100644
index 23c32f5..0000000
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diff --git a/build/turtleos-data.img b/build/turtleos-data.img
deleted file mode 100644
index 98fc2c0..0000000
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diff --git a/src/ata.c b/src/ata.c
index c5a95b0..166e673 100644
--- a/src/ata.c
+++ b/src/ata.c
@@ -63,7 +63,7 @@ int ata_read_sector(uint32_t lba, void *buffer) {
     }
 
     for (int i = 0; i < 256; i++) {
-        __asm__ volatile("inw %1, %0" : "=a"(data[i]) : "Nd"(ATA_REG_DATA));
+        __asm__ volatile("inw %w1, %w0" : "=a"(data[i]) : "Nd"(ATA_REG_DATA): "memory");
     }
 
     return 1;
@@ -88,7 +88,7 @@ int ata_write_sector(uint32_t lba, const void *buffer) {
     }
 
     for (int i = 0; i < 256; i++) {
-        __asm__ volatile("outw %0, %1" : : "a"(data[i]), "Nd"(ATA_REG_DATA));
+        __asm__ volatile("outw %w0, %w1" : : "a"(data[i]), "Nd"(ATA_REG_DATA): "memory");
     }
 
     io_wait();
diff --git a/src/ata.o b/src/ata.o
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diff --git a/src/boot.o b/src/boot.o
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diff --git a/src/console.o b/src/console.o
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diff --git a/src/io.o b/src/io.o
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diff --git a/src/kernel.o b/src/kernel.o
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diff --git a/src/keyboard.o b/src/keyboard.o
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diff --git a/src/serial.o b/src/serial.o
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diff --git a/src/vga.o b/src/vga.o
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