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.TH "DPGEN_NUL" "3" "30 July 2004" "ASIM/LIP6" "Alliance - genlib User's Manual"

.SH NAME
DPGEN_NUL \- Zero Detector Macro-Generator
.SH SYNOPSIS
.sp
\fB#include  <genlib.h>
.sp
void GENLIB_MACRO (DPGEN_NUL, char *\fImodelname\fB, long \fIflags\fB, long \fIN\fB);
\fR
.SH "DESCRIPTION"
.PP
Generate a \fIN\fR bits zero detector named \fImodelname\fR\&.
.SS "TERMINAL NAMES"
.TP 3
1. 
i0 : value to check (input, \fIN\fR bits). 
.TP 3
2. 
q : null flag (output, 1 bit). 
.TP 3
3. 
vdd : power. 
.TP 3
4. 
vss : ground. 
.SS "BEHAVIOR"

.nf
q <= <= '1' WHEN (i0 = X"00000000") ELSE '0';
      
.fi
.SH "EXAMPLE"
.PP

.nf
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
            );
    
.fi
.SH "SEE ALSO"
.PP
\fBGENLIB_MACRO\fR(3),
\fBgenlib\fR(1)