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tdbgbscs.hlp
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1990-09-11
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1KB
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TDBGBSCS.HLP Help for TDBGBSCS.SEQ
Some definitions of communication protocol characters....
listen-up byte sent before any command
go-ahead byte returned in response to "listen-up"
hi-there byte sent to see if target is listening
I'm-here byte returned in response to "hi-there"
tdbg-hello ( -- ) This defines the startup message that gets displayed
initially if there is nothing on the DOS command line
purge ( -- ) clear out the buffer and any pending communications
go-wait ( -- ) used after sending a "listen-up" before sending a command
command ( command-to-do -- )
send the command along with the necessary prior handshaking
getbyte ( -- b ) get a byte value from the comm port
This is used a lot by higher level TDBG words
getword ( -- w ) get a word value from the comm port
This is used a lot by higher level TDBG words
sendword ( -- w ) send a word value to the comm port
.ns ( n -- ) display a number without a space following
This is useful for formatting dates and times
jumpto ( addr -- ) make target jump to addr
Normally the target code can execute a RET and return to the
way it was running before this command.