Created a basic binary format to help guide the disassembler.

misc/test.asm

@@ -1,7 +1,7 @@
 ;.org 0x100
-;.db msg "Hello, world!", 0
+.db msg "Hello, world!", 0
 ;.db more_stuff "AA", 0
-copy r7, 45 ; //
+copy r7, msg ; //
 cmp r8, 45 ;1000 1111
 add r4, 30
 sub r1, 69
@@ -17,4 +17,6 @@ jz 45
 ;mov r1, 5   ; move the immediate value 5 into r1
 ;add r1,5   ; add 5 into r1
 ;int 21      ; maybe that will call some string drawing BIOS-like routine
-;ret
+;ret
+; 4 byte header
+; | Address of First Opcode (2 bytes) | End of Binary (2 bytes) |