now fetching from ram correctly as ram is 32 bit word not byte indexed

README.md

@@ -25,6 +25,11 @@ essence forms the context of our micro-op machinery.
 
 Change instructions to support Nix
 
+## Disassembling
+```
+riscv64-unknown-elf-objdump -D -b binary -m riscv:rv64 ./rv_tests/hello_world/hello.bin > hello.asm
+```
+
 
 # TODO
  - [ ] fetch should invoke mem read function