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`define CMD_ARPL        #AUTOGEN_NEXT_CMD

dec_ready_modregrm_one && decoder[7:0] == 8'h63

prefix_group_1_lock || ~(protected_mode)

`CMD_ARPL

SET(consume_modregrm_one);

IF(rd_cmd == `CMD_ARPL);

    // dst: rm, src: reg

    IF(rd_modregrm_mod == 2'b11);

        SET(rd_src_is_reg);

        SET(rd_dst_is_rm);

        SET(rd_req_rm);

        SET(rd_req_eflags);

        IF(rd_mutex_busy_modregrm_rm || rd_mutex_busy_modregrm_reg); SET(rd_waiting); ENDIF();

    ENDIF();

    // dst: memory, src: reg

    IF(rd_modregrm_mod != 2'b11);

        SET(read_length_word);

        SET(rd_dst_is_memory);

        SET(rd_req_memory);

        IF(rd_mutex_busy_memory || rd_mutex_busy_modregrm_reg); SET(rd_waiting);

        ELSE();

            SET(read_rmw_virtual);

            IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();

        ENDIF();

    ENDIF();

ENDIF();

IF(exe_cmd == `CMD_ARPL);

    SET(exe_result, { 16'd0, dst[15:2], src[1:0] });

    SET(exe_result_signals, { 4'd0, dst[1:0] < src[1:0] });

ENDIF();

IF(wr_cmd == `CMD_ARPL);

    SET(write_length_word);

    SET(wr_regrm_word);

    IF(result_signals[0]);

        SET(write_rmw_virtual,   wr_dst_is_memory);

        SET(write_regrm,         wr_dst_is_rm);

        IF(wr_dst_is_memory && ~(write_for_wr_ready)); SET(wr_waiting); ENDIF();

        SAVE(zflag, `TRUE);

    ELSE();

        SAVE(zflag, `FALSE);

    ENDIF();

ENDIF();