AddressingMode.java

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package com.rox.cpu.mos6502.assembler;
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/** The 13 addressing modes of the 6502 instruction set, as used by the assembler's operand grammar. */
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enum AddressingMode {
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    IMPLIED,
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    ACCUMULATOR,
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    IMMEDIATE,
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    ZERO_PAGE,
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    ZERO_PAGE_X,
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    ZERO_PAGE_Y,
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    ABSOLUTE,
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    ABSOLUTE_X,
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    ABSOLUTE_Y,
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    INDIRECT,
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    INDIRECT_X,
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    INDIRECT_Y,
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    RELATIVE;
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    /** @return the number of operand bytes this mode encodes in an instruction, after the opcode byte */
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    int operandByteCount() {
21 1 1. operandByteCount : replaced int return with 0 for com/rox/cpu/mos6502/assembler/AddressingMode::operandByteCount → KILLED
 
        return switch (this) {
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            case IMPLIED, ACCUMULATOR -> 0;
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            case ABSOLUTE, ABSOLUTE_X, ABSOLUTE_Y, INDIRECT -> 2;
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            default -> 1; // IMMEDIATE, ZERO_PAGE(+X/Y), INDIRECT_X, INDIRECT_Y, RELATIVE
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        };
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    }
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}

Mutations

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1.1
Location : operandByteCount
Killed by : com.rox.cpu.mos6502.assembler.DisassemblerTest.[engine:junit-jupiter]/[class:com.rox.cpu.mos6502.assembler.DisassemblerTest]/[method:operandReadsWrapAtSixteenBitsRatherThanPeekingPastTheAddressSpace()] replaced int return with 0 for com/rox/cpu/mos6502/assembler/AddressingMode::operandByteCount → KILLED

Active mutators

Tests examined


Report generated by PIT 1.22.1