Add TAY instruction
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@ -133,6 +133,12 @@ void execute() {
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cpu.N = (cpu.X & 0b1000000) > 0;
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cpu.PC++;
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break;
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case INS_TAY:
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cpu.Y = cpu.A;
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cpu.Z = (cpu.Y == 0);
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cpu.N = (cpu.Y & 0b1000000) > 0;
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cpu.PC++;
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break;
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case INS_JSR:
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word jsr_addr = fetch_word();
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write_word(cpu.PC - 1, cpu.SP);
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@ -1 +1 @@
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ゥUェ
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ゥUィ
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