* - Option to (not) print samplenumber / time as extra column.
* - Option to "compress" output (only print changed samples, VCD-like).
* - Option to print comma-separated bits, or whole bytes/words (for 8/16
* - Option to (not) print samplenumber / time as extra column.
* - Option to "compress" output (only print changed samples, VCD-like).
* - Option to print comma-separated bits, or whole bytes/words (for 8/16