== code 0x80400000
# repeatedly print "Hi\n"
main:
  13/opi 5/rd/t0 0/subop/add 0/rs/x0 0/imm12

  37/lui 5/rd/t0 10/imm20
  13/opi 6/rd/t1 0/subop/add 0/rs/x0 aa/imm12
  23/store 2/width/word 5/rs/t0 0/off12 6/rs/t1

  # load 0x20000 (UART) into t0
  37/lui 5/rd/t0 20/imm20
  # set UART_BAUD (UART+0) to 1666 (0x682)
  13/opi 6/rd/t1 0/subop/add 0/rs/x0 682/imm12
  23/store 2/width/word 5/rs/t0 0/off12 6/rs/t1

spin:a:
  # spin if FIFO is full (UART+4 < 0)
  03/load 7/rd/t2 2/width/w 5/rs/t0 4/imm12
  13/opi 7/rd/t2 7/subop/and 7/rs/t2 1/imm12
  63/branch 0/subop/== 7/rs/t2 0/rs/x0 spin:a/off13

  # store 0x48 (H) in UART+8
  13/opi 0/subop/add 6/rd/t1 0/rs/x0 48/imm12
  23/store 2/width/word 5/rs/t0 8/off12 6/rs/t1

spin:b:
  # spin if FIFO is full (UART+4 < 0)
  03/load 7/rd/t2 2/width/w 5/rs/t0 4/imm12
  13/opi 7/rd/t2 7/subop/and 7/rs/t2 1/imm12
  63/branch 0/subop/== 7/rs/t2 0/rs/x0 spin:b/off13

  # store 0x69 (i) in UART+8
  13/opi 0/subop/add 6/rd/t1 0/rs/x0 69/imm12
  23/store 2/width/word 5/rs/t0 8/off12 6/rs/t1

spin:c:
  # spin if FIFO is full (UART+4 < 0)
  03/load 7/rd/t2 2/width/w 5/rs/t0 4/imm12
  13/opi 7/rd/t2 7/subop/and 7/rs/t2 1/imm12
  63/branch 0/subop/== 7/rs/t2 0/rs/x0 spin:c/off13

  # store 0x0a (\n) in UART+8
  13/opi 0/subop/add 6/rd/t1 0/rs/x0 0a/imm12
  23/store 2/width/word 5/rs/t0 8/off12 6/rs/t1

  # jump back up to the top
  6f/jal 0/rd/x0 main/off21