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Faster 16bit increment for index operations
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@ -315,14 +315,12 @@ void subtract_16_bit(const Personality &personality,
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void increment_16_bit(const Personality &personality, std::vector<mos6502> &instructions, int reg)
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{
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// instructions.emplace_back(mos6502::OpCode::sta, Operand(Operand::Type::literal, address_low_byte));
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instructions.emplace_back(mos6502::OpCode::lda, personality.get_register(reg));
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instructions.emplace_back(mos6502::OpCode::clc);
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instructions.emplace_back(mos6502::OpCode::adc, Operand(Operand::Type::literal, "#1"));
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instructions.emplace_back(mos6502::OpCode::sta, personality.get_register(reg));
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instructions.emplace_back(mos6502::OpCode::lda, personality.get_register(reg + 1));
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instructions.emplace_back(mos6502::OpCode::adc, Operand(Operand::Type::literal, "#0"));
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instructions.emplace_back(mos6502::OpCode::sta, personality.get_register(reg + 1));
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std::string skip_high_byte_label =
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"skip_inc_high_byte_" + std::to_string(instructions.size());
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instructions.emplace_back(mos6502::OpCode::inc, personality.get_register(reg));
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instructions.emplace_back(mos6502::OpCode::bne, Operand(Operand::Type::literal, skip_high_byte_label));
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instructions.emplace_back(mos6502::OpCode::inc, personality.get_register(reg+1));
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instructions.emplace_back(ASMLine::Type::Label, skip_high_byte_label);
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}
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void translate_instruction(const Personality &personality,
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