1DPGEN_ROM4(3) Alliance - genlib User's Manual DPGEN_ROM4(3)
2
3
4
6 DPGEN_ROM4 - 4 words ROM Macro-Generator
7
9 #include <genlib.h>
10
11 void GENLIB_MACRO (DPGEN_ROM4, char *modelname, long flags, long N,
12 char *constVal0, char *constVal1, char *constVal2, char *constVal3);
13
15 Generate a N bits 2 words optimized ROM named modelname.
16
17 TERMINAL NAMES
18 1. sel1 : upper bit of the address (input, 1 bits).
19
20 2. sel0 : lower bit of the address (input, 1 bits).
21
22 3. q : the selected word (output, N bit).
23
24 4. vdd : power.
25
26 5. vss : ground.
27
28 BEHAVIOR
29 q <= WITH sel1 & sel0 SELECT contsVal0 WHEN B"00",
30 contsVal1 WHEN B"01",
31 contsVal2 WHEN B"10",
32 constVal3 WHEN B"11";
33
34
36 GENLIB_MACRO(DPGEN_ROM4, "model_rom4_set1_16"
37 , F_BEHAV|F_PLACE
38 , 4
39 , "0xFF00" /* A string! */
40 , "0xCCCC" /* A string! */
41 , "0xF0F0" /* A string! */
42 , "0xAAAA" /* A string! */
43 );
44
45 GENLIB_LOINS( "model_rom4_set1_16"
46 , "instance1_rom4_set1_16"
47 , "sel1"
48 , "sel0"
49 , "q[31:0]"
50 , "vdd", "vss", NULL
51 );
52
53
55 GENLIB_MACRO(3), genlib(1)
56
57
58
59ASIM/LIP6 30 July 2004 DPGEN_ROM4(3)