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`define CMD_IN          #AUTOGEN_NEXT_CMD

`define CMDEX_IN_imm            4'd0

`define CMDEX_IN_dx             4'd1

`define CMDEX_IN_protected      4'd2

`define CMDEX_IN_idle           4'd3

(dec_ready_one && { decoder[7:1], 1'b0 } == 8'hEC) || (dec_ready_one_one && { decoder[7:1], 1'b0 } == 8'hE4)

`CMD_IN

IF(decoder[3]); SET(dec_cmdex, `CMDEX_IN_dx); ELSE(); SET(dec_cmdex, `CMDEX_IN_imm); ENDIF();

IF(decoder[0] == 1'b0); SET(dec_is_8bit); ENDIF();

IF(decoder[3] == 1'b1); SET(consume_one); ELSE(); SET(consume_one_one); ENDIF();

SET(dec_is_complex);

IF(mc_cmd == `CMD_IN && (mc_cmdex_last == `CMDEX_IN_imm || mc_cmdex_last == `CMDEX_IN_dx) && ~(io_allow_check_needed));

    LOOP(`CMDEX_IN_idle);

ENDIF();

IF(mc_cmd == `CMD_IN && (mc_cmdex_last == `CMDEX_IN_imm || mc_cmdex_last == `CMDEX_IN_dx) && io_allow_check_needed);

    CALL(`CMDEX_io_allow_1);

    `CMDEX_IN_protected

    LOOP(`CMDEX_IN_idle);

ENDIF();

wire rd_in_condition;

assign rd_in_condition =

    (rd_mutex_busy_active && (rd_cmdex == `CMDEX_IN_imm || rd_cmdex == `CMDEX_IN_dx) && ~(io_allow_check_needed)) ||

    (rd_cmdex == `CMDEX_IN_dx && rd_mutex_busy_edx);

IF(rd_cmd == `CMD_IN && rd_cmdex != `CMDEX_IN_idle);

    SET(io_read_address, (rd_cmdex == `CMDEX_IN_imm)? { 8'd0, rd_decoder[15:8] } : (rd_cmdex == `CMDEX_IN_protected)? glob_param_1[15:0] : edx[15:0]);

    IF(rd_in_condition); SET(rd_waiting);

    ELSE();

        IF(~(io_allow_check_needed) || rd_cmdex == `CMDEX_IN_protected);

            SET(rd_src_is_io);

            SET(io_read);

            //not required: SET(rd_req_eax);

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

        ENDIF();

    ENDIF();

ENDIF();

IF(exe_cmd == `CMD_IN && exe_cmdex == `CMDEX_IN_protected);

    SET(exe_result2, src);

ENDIF();

IF(exe_cmd == `CMD_IN && (exe_cmdex == `CMDEX_IN_dx || exe_cmdex == `CMDEX_IN_imm));

    SET(exe_result2, src);

    IF(exe_cmdex == `CMDEX_IN_dx && exe_mutex_current[`MUTEX_EDX_BIT]); SET(exe_waiting);

    ELSE();

        SET(exe_glob_param_1_set);

        SET(exe_glob_param_1_value, (exe_cmdex == `CMDEX_IN_dx)? { 16'd0, edx[15:0] } : { 24'd0, exe_decoder[15:8] });

    ENDIF();

ENDIF();

IF(wr_cmd == `CMD_IN); // all CMDEX

    IF(~(io_allow_check_needed) || wr_cmdex == `CMDEX_IN_protected);

        SAVE(eax, (wr_is_8bit)? { eax[31:8], result2[7:0] } : (wr_operand_16bit)? { eax[31:16], result2[15:0] } : result2);

        // reset pipeline

        SET(wr_req_reset_micro);

        SET(wr_req_reset_rd);

        SET(wr_req_reset_exe);

    ELSE();

        SET(wr_not_finished);

    ENDIF();

ENDIF();