NAME

       DPGEN_NUL - Zero Detector Macro-Generator

SYNOPSIS

       #include  <genlib.h>

       void GENLIB_MACRO (DPGEN_NUL, char *modelname, long flags, long N);

DESCRIPTION

       Generate a N bits zero detector named modelname.

   TERMINAL NAMES
       1. i0 : value to check (input, N bits).

       2. q : null flag (output, 1 bit).

       3. vdd : power.

       4. vss : ground.

   BEHAVIOR
       q <= <= '1' WHEN (i0 = X"00000000") ELSE '0';

EXAMPLE

       GENLIB_MACRO(DPGEN_NUL, "model_nul_32"
                             , F_BEHAV|F_PLACE
                             , 32
                             );

       GENLIB_LOINS( "model_nul_32"
                   , "instance1_nul_32"
                   , "i0[31:0]"
                   , "q"  /* Flag null. */
                   , "vdd", "vss", NULL
                   );

SEE ALSO

       GENLIB_MACRO(3), genlib(1)