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--- a/README.md
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 # Assembly Emulator
 ## Summary
 This software is emulate assembly program.
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 ***
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 ## Assembly Instrument
 - add/addi
 - sub
@@ -12,14 +14,19 @@
 - j/jal/jalr/jr
 - beq/bne
 - lt/sw
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 ***
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 ## Pseudo Instrument (interrupt-mode)
 You must input ':' as to input command.
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 #### :help
 - Display help.
 
 #### :quit
 - Quit interrupt.
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 ***
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 ## License
 This software license is MIT.