Dir cleanup

src/bootsect.S

@@ -0,0 +1,29 @@
+	.arch i8086,jumps
+	.code16
+
+.section .init
+.global _start
+_start:
+#ifndef NOBPB
+    jmp l0
+    nop
+
+.ascii "IBM  3.1"
+bpb_bytespersect:    .word 512
+bpb_sectspercluster: .byte 2
+bpb_reservedsects:   .word 1
+bbp_fats:            .byte 2
+bpb_rootentries:     .word 112
+bpb_localsectors:    .word 720
+bpb_mediadescr:      .byte 0xfd
+bpb_sectsperfat:     .word 2
+
+l0:
+#endif  // NOBPB
+    cli
+    xor %ax, %ax
+    mov %ax, %ds
+    mov %ax, %ss
+    mov $0x7c00, %sp
+    sti
+    jmp main