GenLib User's Manual
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# DPGEN_ROM4

## Name

DPGEN_ROM4 -- 4 words ROM Macro-Generator

## Synopsis

    #include  <genlib.h>

``void `GENLIB_MACRO``(DPGEN_ROM4, char *`modelname`, long `flags`, long `N`, char *`constVal0`, char *`constVal1`, char *`constVal2`, char *`constVal3`);`

## Description

Generate a N bits 2 words optimized ROM named modelname.

### Terminal Names

1. `sel1` : upper bit of the address (input, 1 bits).

2. `sel0` : lower bit of the address (input, 1 bits).

3. `q` : the selected word (output, N bit).

4. `vdd` : power.

5. `vss` : ground.

### Behavior

    q <= WITH sel1 & sel0 SELECT contsVal0  WHEN B"00",
                                 contsVal1  WHEN B"01",
                                 contsVal2  WHEN B"10",
                                 constVal3  WHEN B"11";

## Example

    GENLIB_MACRO(DPGEN_ROM4, "model_rom4_set1_16"
                           , F_BEHAV|F_PLACE
                           , 4
                           , "0xFF00"  /* A string! */
                           , "0xCCCC"  /* A string! */
                           , "0xF0F0"  /* A string! */
                           , "0xAAAA"  /* A string! */
                           );

    GENLIB_LOINS( "model_rom4_set1_16"
                , "instance1_rom4_set1_16"
                , "sel1"
                , "sel0"
                , "q[31:0]"
                , "vdd", "vss", NULL
                );

## See Also

GENLIB_MACRO(3), genlib(1)

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