65 lines
2.1 KiB
TypeScript
65 lines
2.1 KiB
TypeScript
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import { opCodeToName, operandToName, readData, VM } from "./solve_1.ts";
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class VMCompiler extends VM {
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compileSingleInstruction(pc: number): string {
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const opCode = this.programs[pc];
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const operand = this.programs[pc + 1];
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switch (opCode) {
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case 0:
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return `label${this.pc}: A = (A >> ${operandToName(operand)});`;
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case 1:
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return `label${this.pc}: B = B ^ ${operand};`;
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case 2:
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return `label${this.pc}: B = ${operandToName(operand)} % 8;`;
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case 3:
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return `label${this.pc}: if (A !== 0) goto label${operand};`;
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case 4:
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return `label${this.pc}: B = B ^ C;`;
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case 5:
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return `label${this.pc}: out(${operandToName(operand)} % 8);`;
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case 6:
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return `label${this.pc}: B = (A >> ${operandToName(operand)});`;
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case 7:
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return `label${this.pc}: C = (A >> ${operandToName(operand)});`;
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default:
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throw new Error(`Unknown opCode: ${opCode}`);
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}
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}
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compile(): string {
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let code = "";
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let pc = 0;
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while (pc < this.programs.length) {
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code += this.compileSingleInstruction(pc) + "\n";
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pc += 2;
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}
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return code;
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}
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}
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if (import.meta.main) {
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const data = await readData("example_3.txt");
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console.log(data.registers);
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data.registers.A = 0b11100101011000000;
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console.log(data.programs.join(","));
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const vm = new VMCompiler(data);
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const text = vm.compile();
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console.log(text);
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const out: number[] = [];
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console.log(out.join(","));
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// vm.registers.A = 3;
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vm.pc = 0;
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const outputs: number[] = [];
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vm.on("out", (value) => {
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outputs.push(value);
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});
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// print code and registers
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while (vm.pc < vm.programs.length) {
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const code = vm.compileSingleInstruction(vm.pc);
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vm.runSingleInstruction();
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console.log(code, vm.registers, vm.registers.C & 7);
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}
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console.log(outputs.join(","));
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}
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