== code 0x80000000
main:
  # load 0x10010000 (UART0) into t0
  37/lui 5/rd/t0 0x10010/imm20

  # x4 = &message
  # . load high bits
  37/lui 4/rd/x4 Message/imm20
  # . add low bits
  13/opi 0/subop/add 4/rd/x4 4/rs/x4 Message/imm12
print:loop:
  # load unsigned byte at x4
  03/load 4/subop/lbu 6/rd/t1 4/rs/x4 0/imm12
  # break loop if zero
  63/branch 0/subop/== 6/rs/t1 0/rs/x0 print:break/off12
  # print char
  23/store 2/subop/word 5/rs/t0 6/rs/t1 0/off12
  # increment x4
  13/opi 0/subop/add 4/rd/x4 4/rs/x4 1/imm12
  # jump back up
  6f/jal 0/rd/x0 print:loop/off20
print:break:

loop:
  # infinite loop
  6f/jal 0/rd/x0 loop/off20

== data 0x80001000
Message:
  # "Hello World\n\0"
  48/8 65/8 6c/8 6c/8 6f/8 20/8 77/8 6f/8 72/8 6c/8 64/8 21/8 0a/8 00/8