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This file contains notes on the internal commands sent between tkgate and the simulator verga.
Commands recognized by simulator:
$script <file> Read a verilog script file
$show <net> Show current value of net
$sendto <q> <value> Put value in named channel
$cpath <n> Do a critical path analysis
$set <net> <value> Set a net to a value
$break <id> <expr> Create a breakpoint
$delete_break <id> Delete a breakpoint
$probe <net> [<who>] Monitor a net
$unprobe <net> [<who>] Remove a monitor from a net
$memload <fmt> <file> [<mem>] Load a memory(s) from a file
$memdump <fmt> <file> <mem> Dump a memory to a file.
$time Report current time
$step [<n>] Step simulator a number of epochs.
$addclock <net> Register 'net' as a clock.
$stepclock <+/-> <ncycle> <nafter> [<gate>] Step simulator a number of clock cycles.
$wait Wait for all events to be executed.
$stop Pause simulator.
$go Put simulator in continuos mode.
$exit Exit the simulator
Commands sent from simulator to tkgate:
stop @ <t> Indicate simulator is stopped
break <n> @ <t> Indicate simulator is stopped at a breakpoint
time @ <t> Report of current simulator
valueof <who> <net> <value> @ <t> Report value of a net to a tkgate listener
comment <text> Comment command. Ignored by tkgate.
echo <text> Text to be displayed as is.
error file <text> Error message with
error gate <gate> <text> Error occuring related to a gate/module
error net <net> <text> Error occuring related to a net
error run <text> Run-time error report
error command <text> Error in command from tkgate
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