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[/] [ao486/] [trunk/] [rtl/] [ao486/] [commands/] [CMD_CMPS.txt] - Blame information for rev 2

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`define CMD_CMPS        #AUTOGEN_NEXT_CMD
 
`define CMDEX_CMPS_FIRST    4'd0
`define CMDEX_CMPS_LAST     4'd1

 

dec_ready_one && { decoder[7:1], 1'b0 } == 8'hA6
`CMD_CMPS
SET(dec_cmdex,`CMDEX_CMPS_FIRST);
IF(decoder[0] == 1'b0); SET(dec_is_8bit); ENDIF();
SET(consume_one);
SET(dec_is_complex);

 

IF(`CMDEX_CMPS_FIRST);
    `CMDEX_CMPS_LAST
ENDIF();
 
IF(`CMDEX_CMPS_LAST);
    `CMDEX_CMPS_FIRST
ENDIF();

 

IF(rd_cmd == `CMD_CMPS && rd_cmdex == `CMDEX_CMPS_FIRST);
 
    SET(address_esi);
 
    //waiting for esi in 'address_waiting'
 
    IF(rd_mutex_busy_memory || (rd_mutex_busy_ecx && rd_prefix_group_1_rep != 2'd0)); SET(rd_waiting); //waiting for ecx for rd_ignore_string
    ELSE();
 
        IF(~(rd_string_ignore));
            SET(rd_src_is_memory);
 
            SET(rd_req_eflags);
            SET(rd_req_esi);
            SET(rd_req_edi);
            //not needed -- reset after finish //IF(rd_prefix_group_1_rep != 2'd0); SET(rd_req_ecx); ENDIF();
 
            SET(read_virtual);
 
            IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();
        ENDIF();
    ENDIF();
ENDIF();

 

IF(rd_cmd == `CMD_CMPS && rd_cmdex == `CMDEX_CMPS_LAST);
 
    SET(address_edi);
 
    //waiting for edi in 'address_waiting'
 
    IF(~(rd_string_ignore));
        SET(rd_src_is_memory);
        SET(rd_dst_is_memory_last);
 
        SET(rd_req_eflags);
        SET(rd_req_esi);
        SET(rd_req_edi);
        //not needed -- reset after finish //IF(rd_prefix_group_1_rep != 2'd0); SET(rd_req_ecx); ENDIF();
 
        SET(read_virtual);
 
        IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();
    ENDIF();
ENDIF();

 

IF(exe_cmd == `CMD_CMPS);
 
    SET(exe_result, exe_arith_sub[31:0]);
    SET(exe_arith_index, (`ARITH_VALID | `ARITH_SUB));
ENDIF();

 

IF(wr_cmd == `CMD_CMPS && wr_cmdex == `CMDEX_CMPS_FIRST);
    SET(wr_not_finished);
ENDIF();

 

IF(wr_cmd == `CMD_CMPS && wr_cmdex == `CMDEX_CMPS_LAST);
 
    IF(~(wr_string_ignore));
        SAVE(esi, wr_esi_final);
        SAVE(edi, wr_edi_final);
        IF(wr_prefix_group_1_rep != 2'd0); SAVE(ecx, wr_ecx_final); ENDIF();
 
        SAVE(zflag, zflag_result);
        SAVE(sflag, sflag_result);
        SAVE(pflag, pflag_result);
 
        SAVE(aflag, aflag_arith);
        SAVE(cflag, cflag_arith);
        SAVE(oflag, oflag_arith);
    ENDIF();
 
    IF(wr_string_ignore || wr_string_zf_finish || wr_prefix_group_1_rep == 2'd0);
        SET(wr_req_reset_micro);
        SET(wr_req_reset_rd);
        SET(wr_req_reset_exe);
    ENDIF();
 
    IF(~(wr_string_ignore) && ~(wr_string_zf_finish) && wr_prefix_group_1_rep != 2'd0);
        SET(wr_not_finished);
 
        SET(wr_string_in_progress);
    ENDIF();
ENDIF();


Line No.	Rev	Author	Line
1	2	alfik
2
3			`define CMD_CMPS #AUTOGEN_NEXT_CMD
4
5			`define CMDEX_CMPS_FIRST 4'd0
6			`define CMDEX_CMPS_LAST 4'd1
7
8
9
10			`dec_ready_one && { decoder[7:1], 1'b0 } == 8'hA6`
11			`CMD_CMPS
12			SET(dec_cmdex,`CMDEX_CMPS_FIRST);
13			`IF(decoder[0] == 1'b0); SET(dec_is_8bit); ENDIF();`
14			`SET(consume_one);`
15			`SET(dec_is_complex);`
16
17
18
19			IF(`CMDEX_CMPS_FIRST);
20			`CMDEX_CMPS_LAST
21			`ENDIF();`
22
23			IF(`CMDEX_CMPS_LAST);
24			`CMDEX_CMPS_FIRST
25			`ENDIF();`
26
27
28
29			IF(rd_cmd == `CMD_CMPS && rd_cmdex == `CMDEX_CMPS_FIRST);
30
31			`SET(address_esi);`
32
33			`//waiting for esi in 'address_waiting'`
34
35			`IF(rd_mutex_busy_memory \|\| (rd_mutex_busy_ecx && rd_prefix_group_1_rep != 2'd0)); SET(rd_waiting); //waiting for ecx for rd_ignore_string`
36			`ELSE();`
37
38			`IF(~(rd_string_ignore));`
39			`SET(rd_src_is_memory);`
40
41			`SET(rd_req_eflags);`
42			`SET(rd_req_esi);`
43			`SET(rd_req_edi);`
44			`//not needed -- reset after finish //IF(rd_prefix_group_1_rep != 2'd0); SET(rd_req_ecx); ENDIF();`
45
46			`SET(read_virtual);`
47
48			`IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();`
49			`ENDIF();`
50			`ENDIF();`
51			`ENDIF();`
52
53
54
55			IF(rd_cmd == `CMD_CMPS && rd_cmdex == `CMDEX_CMPS_LAST);
56
57			`SET(address_edi);`
58
59			`//waiting for edi in 'address_waiting'`
60
61			`IF(~(rd_string_ignore));`
62			`SET(rd_src_is_memory);`
63			`SET(rd_dst_is_memory_last);`
64
65			`SET(rd_req_eflags);`
66			`SET(rd_req_esi);`
67			`SET(rd_req_edi);`
68			`//not needed -- reset after finish //IF(rd_prefix_group_1_rep != 2'd0); SET(rd_req_ecx); ENDIF();`
69
70			`SET(read_virtual);`
71
72			`IF(~(read_for_rd_ready)); SET(rd_waiting); ENDIF();`
73			`ENDIF();`
74			`ENDIF();`
75
76
77
78			IF(exe_cmd == `CMD_CMPS);
79
80			`SET(exe_result, exe_arith_sub[31:0]);`
81			SET(exe_arith_index, (`ARITH_VALID \| `ARITH_SUB));
82			`ENDIF();`
83
84
85
86			IF(wr_cmd == `CMD_CMPS && wr_cmdex == `CMDEX_CMPS_FIRST);
87			`SET(wr_not_finished);`
88			`ENDIF();`
89
90
91
92			IF(wr_cmd == `CMD_CMPS && wr_cmdex == `CMDEX_CMPS_LAST);
93
94			`IF(~(wr_string_ignore));`
95			`SAVE(esi, wr_esi_final);`
96			`SAVE(edi, wr_edi_final);`
97			`IF(wr_prefix_group_1_rep != 2'd0); SAVE(ecx, wr_ecx_final); ENDIF();`
98
99			`SAVE(zflag, zflag_result);`
100			`SAVE(sflag, sflag_result);`
101			`SAVE(pflag, pflag_result);`
102
103			`SAVE(aflag, aflag_arith);`
104			`SAVE(cflag, cflag_arith);`
105			`SAVE(oflag, oflag_arith);`
106			`ENDIF();`
107
108			`IF(wr_string_ignore \|\| wr_string_zf_finish \|\| wr_prefix_group_1_rep == 2'd0);`
109			`SET(wr_req_reset_micro);`
110			`SET(wr_req_reset_rd);`
111			`SET(wr_req_reset_exe);`
112			`ENDIF();`
113
114			`IF(~(wr_string_ignore) && ~(wr_string_zf_finish) && wr_prefix_group_1_rep != 2'd0);`
115			`SET(wr_not_finished);`
116
117			`SET(wr_string_in_progress);`
118			`ENDIF();`
119			`ENDIF();`
120

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[/] [ao486/] [trunk/] [rtl/] [ao486/] [commands/] [CMD_CMPS.txt] - Blame information for rev 2