mirror of
https://github.com/hazemKrimi/jack-vm-translator.git
synced 2026-05-01 18:00:27 +00:00
Hazem Krimi
101 lines
2.1 KiB
C++
101 lines
2.1 KiB
C++
#include <iostream>
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#include <fstream>
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#include <string>
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using namespace std;
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ArithmeticOperator determineArithmeticOperator(string arithmeticOperator)
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{
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if (arithmeticOperator == "add")
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return ArithmeticOperator::ADD;
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if (arithmeticOperator == "sub")
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return ArithmeticOperator::SUB;
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if (arithmeticOperator == "neg")
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return ArithmeticOperator::NEG;
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return ArithmeticOperator::NEG;
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}
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string translateAdd()
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{
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stringstream output;
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output << "@SP" << endl;
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output << "M=M-1" << endl;
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output << "A=M" << endl;
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output << "D=M" << endl;
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output << "@R" << endl;
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output << "M=D" << endl;
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output << "@SP" << endl;
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output << "M=M-1" << endl;
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output << "A=M" << endl;
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output << "D=M" << endl;
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output << "@R" << endl;
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output << "M=D+M" << endl;
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output << "D=M" << endl;
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output << "@SP" << endl;
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output << "A=M" << endl;
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output << "M=D" << endl;
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output << "@SP" << endl;
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output << "M=M+1" << endl;
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return output.str();
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}
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string translateSub()
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{
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stringstream output;
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output << "@SP" << endl;
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output << "M=M-1" << endl;
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output << "A=M" << endl;
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output << "D=M" << endl;
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output << "@R" << endl;
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output << "M=D" << endl;
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output << "@SP" << endl;
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output << "M=M-1" << endl;
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output << "A=M" << endl;
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output << "D=M" << endl;
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output << "@R" << endl;
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output << "M=D-M" << endl;
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output << "D=M" << endl;
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output << "@SP" << endl;
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output << "A=M" << endl;
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output << "M=D" << endl;
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output << "@SP" << endl;
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output << "M=M+1" << endl;
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return output.str();
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}
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string translateNeg()
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{
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stringstream output;
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output << "@SP" << endl;
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output << "M=M-1" << endl;
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output << "A=M" << endl;
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output << "D=M" << endl;
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output << "@R" << endl;
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output << "M=D" << endl;
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output << "M=M-D" << endl;
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output << "M=M-D" << endl;
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output << "D=M" << endl;
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output << "@SP" << endl;
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output << "A=M" << endl;
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output << "M=D" << endl;
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output << "@SP" << endl;
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output << "M=M+1" << endl;
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return output.str();
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} |