99 lines
1.0 KiB
NASM
99 lines
1.0 KiB
NASM
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(SimpleFunction.test) // function SimpleFunction.test 2
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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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@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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@LCL
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A=M
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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 // end push local 0 (L1)
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@LCL // local 1
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D=M
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@1 // write 1 to A
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D=D+A // D = segment+index
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@R13 // save it to R13
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M=D // write @LCL+1 to R13
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@R13
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A=M
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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 // end push local 1 (L2)
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@SP // ==== add ====
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A=M-1
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D=M
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A=A-1
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M=D+M
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@SP
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M=M-1 // end add (L3)
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@SP // ==== not ====
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A=M-1
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D=M
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M=!M // end not (L4)
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@ARG
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A=M
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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 // end push argument 0 (L5)
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@SP // ==== add ====
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A=M-1
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D=M
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A=A-1
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M=D+M
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@SP
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M=M-1 // end add (L6)
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@ARG // argument 1
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D=M
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@1 // write 1 to A
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D=D+A // D = segment+index
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@R13 // save it to R13
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M=D // write @ARG+1 to R13
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@R13
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A=M
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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 // end push argument 1 (L7)
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@SP // ==== sub ====
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A=M-1
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D=M
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A=A-1
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M=M-D
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@SP
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M=M-1 // end sub (L8)
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@ARG
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D=M+1
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@SP
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M=D // @SP = ARG+1
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@LCL
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D=M // D=@LCL
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@THAT
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MD=D-1 // THAT = LCL-1
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@THIS
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MD=D-1 // THIS = LCL-2
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@ARG
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MD=D-1 // ARG = LCL-3
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@LCL
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MD=D-1 // LCL = LCL-4
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A=D-1 // A = LCL-5
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0;JMP // Jump to *(LCL-5)
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@97
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0;JMP
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