143 lines
917 B
NASM
Executable File
143 lines
917 B
NASM
Executable File
@0
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D=A
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@SP
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A=M
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M=D
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@SP
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M=M+1
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//push CONSTANT
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@0
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D=A
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@LCL
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M=M+D
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@SP
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M=M-1
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A=M
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D=M
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@LCL
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A=M
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M=D
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@0
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D=A
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@LCL
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M=M-D
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//pop LOCAL
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(Sys.init$LOOP_START)
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//LABEL
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@0
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D=A
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@ARG
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A=M+D
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D=M
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@SP
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A=M
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M=D
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@SP
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M=M+1
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//push ARGUMENT
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@0
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D=A
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@LCL
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A=M+D
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D=M
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@SP
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A=M
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M=D
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@SP
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M=M+1
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//push LOCAL
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@SP
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M=M-1
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A=M
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D=M
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A=A-1
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M=M+D
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//ADD
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@0
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D=A
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@LCL
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M=M+D
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@SP
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M=M-1
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A=M
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D=M
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@LCL
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A=M
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M=D
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@0
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D=A
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@LCL
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M=M-D
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//pop LOCAL
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@0
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D=A
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@ARG
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A=M+D
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D=M
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@SP
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A=M
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M=D
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@SP
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M=M+1
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//push ARGUMENT
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@1
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D=A
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@SP
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A=M
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M=D
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@SP
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M=M+1
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//push CONSTANT
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@SP
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M=M-1
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A=M
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D=M
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A=A-1
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M=M-D
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//SUB
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@0
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D=A
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@ARG
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M=M+D
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@SP
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M=M-1
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A=M
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D=M
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@ARG
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A=M
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M=D
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@0
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D=A
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@ARG
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M=M-D
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//pop ARG
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@0
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D=A
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@ARG
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A=M+D
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D=M
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@SP
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A=M
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M=D
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@SP
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M=M+1
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//push ARGUMENT
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@SP
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M=M-1
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A=M
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D=M
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@Sys.init$LOOP_START
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D;JNE
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//IFGOTO
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@0
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D=A
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@LCL
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A=M+D
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D=M
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@SP
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A=M
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M=D
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@SP
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M=M+1
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//push LOCAL
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