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<defines>
`define CMD_SGDT        #AUTOGEN_NEXT_CMD

`define CMD_SIDT        #AUTOGEN_NEXT_CMD

`define CMDEX_SGDT_SIDT_STEP_1  4'd0
`define CMDEX_SGDT_SIDT_STEP_2  4'd1
</defines>

<decode>
dec_ready_2byte_modregrm && decoder[7:0] == 8'h01 && decoder[13:11] == 3'd0
prefix_group_1_lock || `DEC_MODREGRM_IS_MOD_11
`CMD_SGDT
SET(dec_cmdex, `CMDEX_SGDT_SIDT_STEP_1);
SET(consume_modregrm_one);
SET(dec_is_complex);
</decode>

<decode>
dec_ready_2byte_modregrm && decoder[7:0] == 8'h01 && decoder[13:11] == 3'd1
prefix_group_1_lock || `DEC_MODREGRM_IS_MOD_11
`CMD_SIDT
SET(dec_cmdex, `CMDEX_SGDT_SIDT_STEP_1);
SET(consume_modregrm_one);
SET(dec_is_complex);
</decode>

<microcode>
IF(mc_cmd == `CMD_SGDT || mc_cmd == `CMD_SIDT);
    LAST_DIRECT(mc_cmd, `CMDEX_SGDT_SIDT_STEP_2);
ENDIF();
</microcode>

<read>
IF((rd_cmd == `CMD_SGDT || rd_cmd == `CMD_SIDT));
    
    SET(address_ea_buffer_plus_2);
    
    IF(rd_cmdex == `CMDEX_SGDT_SIDT_STEP_1);
        SET(read_length_word);
    ENDIF();
    
    IF(rd_cmdex == `CMDEX_SGDT_SIDT_STEP_2);
        SET(address_ea_buffer);
        SET(read_length_dword);
    ENDIF();

    SET(rd_req_memory);
    
    // only memory operand
    SET(write_virtual_check);

    IF(~(write_virtual_check_ready)); SET(rd_waiting); ENDIF();
ENDIF();
</read>

<execute>
IF(exe_cmd == `CMD_SGDT);
    
    IF(exe_cmdex == `CMDEX_SGDT_SIDT_STEP_1);
        SET(exe_result, { 16'd0, gdtr_limit });
    ENDIF();
    
    IF(exe_cmdex == `CMDEX_SGDT_SIDT_STEP_2);
        SET(exe_result, gdtr_base);
    ENDIF();
ENDIF();
</execute>

<execute>
IF(exe_cmd == `CMD_SIDT);
    
    IF(exe_cmdex == `CMDEX_SGDT_SIDT_STEP_1);
        SET(exe_result, { 16'd0, idtr_limit });
    ENDIF();
    
    IF(exe_cmdex == `CMDEX_SGDT_SIDT_STEP_2);
        SET(exe_result, idtr_base);
    ENDIF();
ENDIF();
</execute>

<write>
IF((wr_cmd == `CMD_SGDT || wr_cmd == `CMD_SIDT));
    IF(wr_cmdex == `CMDEX_SGDT_SIDT_STEP_1);
        SET(write_length_word);
        SET(wr_not_finished);
    ENDIF();
    
    IF(wr_cmdex == `CMDEX_SGDT_SIDT_STEP_2);
        SET(write_length_dword);
    ENDIF();

    IF(~(write_for_wr_ready)); SET(wr_waiting); ENDIF();
    
    SET(write_virtual);
ENDIF();
</write>