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== 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
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