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Filename : SMALLX6.BBS

Morå abouô small-Ø commands

Aô thió point¬ thå small-Ø commandó SAVÅ anä MEMORIZÅ caî bå 
useä tï storå thå contentó oæ STÍ anä thå currenô seô oæ rules¬ 
respectively¬ iî á DOÓ file® Iæ yoõ subsequentlù returî tï 
small-Ø anä uså thå REAÄ anä REMEMBEÒ commands¬ small-Ø woulä bå 
iî thå samå statå iî whicè iô waó left® Thå REAÄ anä REMEMBEÒ 
commandó arå alsï usefuì wheî thå experô systeí haó beeî 
"modularized,¢ anä onlù portionó oæ thå systeí arå processeä aô á 
time® Iî additioî tï MEMORIZÅ anä REMEMBER¬ thå CSAVÅ anä CLOAÄ 
commandó caî bå useä tï storå partiallù compileä rulå fileó foò 
securitù anä quickeò execution.

Thå TRACÅ anä STEÐ commandó arå verù usefuì durinç thå 
debugginç process® Thå TRACÅ commanä causeó small-Ø tï displaù 
eacè truå rulå aó iô ió beinç executed¬ sï yoõ caî follo÷ thå 
exacô patè takeî througè thå rulå system® Thå STEÐ commanä 
causeó small-Ø tï pauså afteò eacè cyclå oæ thå inferencå engine¬ 
anä allo÷ yoõ tï manipulatå datá iî STÍ beforå restartinç it.

Thå small-Ø DOÓ commanä allowó yoõ tï uså youò favoritå texô 
editoò tï creatå anä modifù rulå files¬ whicè caî theî bå loadeä 
usinç thå REMEMBEÒ command.


Morå abouô STÍ commands

Data is stored into STM using the READ and ADD commands. Data is
further manipulated in STM using the BIND, UNBIND, and COMPUTE
commands. The BIND command simply assigns a value to a variable
name, and the UNBIND command removes that assignment and leaves
the variable in STM with no associated value. The COMPUTE com
mand is useful for doing simple calculations, string manipulation
and list operations.

Data is output from STM using the WRITE command. When using the
WRITE command for display output, you can optionally write a new-
line (skip a line on the screen), clear the screen, randomly
position the cursor, and draw boxes on the screen.

The STM command RUN is used in those special situations where
complex calculations or other special manipulation of data needs
to be done. You may execute an external program which would
perform the desired operations, and store the result in an disk
file. This file could then be read into STM using the READ
command, and subsequent rules could be executed based on this
data.

During cycles of the inference engine, as more information is
obtained about the problem being solved, it is sometimes neces
sarù tï modifù thå valuå oò certaintù factoò oæ á rule® Thå STÍ 
commanä MODIFÙ caî bå useä tï seô á rule'ó certaintù factoò tï á 
particulaò value¬ oò tï simplù incremenô oò decremenô thå factoò 
bù á prescribeä value.
Š