Chapter 10: SIMULATION
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10-9: Documenting the Netlist (ALS) |
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The designer can document a netlist by inserting comments that begin with the # character.
The parser will ignore the rest of the input line when it encounters this symbol.
An example illustrating the use of comments is shown below:
# Circuit: RS Latch #
#### Model description for the RS latch ####
model main(set, reset, q, q_bar) inst1: nor2(reset, q_bar, q)
inst2: nor2(q, set, q_bar)
#### Description for 2 input NOR gate ####
gate nor2(in1,in2,out)
t: delta=4.5e-9 + linear=5.0e-10 # Timing Parameters
i: in1=L in2=L o: out=H@2
i: in1=H o: out=L@2 # Truth Table Entries
i: in2=H o: out=L@2
i: o: out=X@2
load in1=1.5 in2=1.5 # Loading Declaration
