SYSLEX “System Utilities lexfile”. SIZE: 643 bytes.

Adds the following commands to HP-71 BASIC:

ATTNOFF? - returns 1 after ATTN OFF, 0 after ATTN ON.
ATTN ON/OFF - disables ATTN from exiting a running program.
CLKSPD? - returns the current CPU clock speed.
CMDSTK? - returns the current command stack height.
CONTRST? - returns the current CONTRAST setting.
DELAY? - returns the first argument of current DELAY setting.
LOOPOFF? - returns 1 after OFF IO, 0 after RESTORE IO.
PWIDTH? - returns current PWIDTH setting.
SCROLL? - ??? unknown.
STACK - sets command stack height (1 to 16).
WEND? - returns position of current end of window.
WIDTH? - returns current WIDTH.
WSIZE? - returns current window size.
WSTART? - returns position of current start of window.
ZAPSTK - clears the command stack.


*** SYSLEX ***
(31A23) File Header
(31BDA) Poll Handler
(31D57) 55/01 ATTNOFF? fn
(31DBC) 55/02 ATTN
(31C1B) 55/03 CLKSPD? fn
(31D2E) 55/04 CMDSTK? fn
(31D47) 55/05 CONTRST? fn
(31C47) 55/06 DELAY? fn
(31D6D) 55/07 LOOPOFF? fn
(31CA9) 55/08 PWIDTH? fn
(31C57) 55/09 SCROLL? fn
(31DF5) 55/0A STACK
(31CFF) 55/0B WEND? fn
(31C99) 55/0C WIDTH? fn
(31CD7) 55/0D WSIZE? fn
(31CE7) 55/0E WSTART? fn
(31F17) 55/0F ZAPSTK
(31F4D) Next File Header