05/18/90

SCA� i� � tex� fil� viewin� utilit� primaril� intende� fo� those�
WordSta� user� wh� woul� fin� � smal� read-onl� utilit� wit� th� �
WordSta� loo� an� fee� woul� b� usefu� t� them�  

Fo� thos� preferin� th� BGii-TYP� comman� set� th� librar� �
SCAN22BG.LB� contain� SCAN22BG.CO� an� SCAN22BG.Z8� (a� overla� �
fil� tha� modifie� SCAN.CO� fo� thos� wh� woul� prefe� thei� �
command� t� b� mor� BGii-like.)

SCA� 2.� ha� bee� heavil� revise� t� ad� severa� ne� feature� �
tha� hav� bee� requested�  I� no� support� settin� an� returnin� �
t� plac� marker� 0-� an� ha� � ne� type-ahea� comman� buffe� tha� �
suspend� displa� operation� whil� pendin� command� ar� executed� �
helpin� t� spee� u� operation.

SCA� use� termina� delet� an� inser� lin� contro� sequences� i� �
the� ar� available� t� spee� u� scrollin� b� on� lin� forward� �
an� backward� i� th� text�  SCA� wil� loo� fo� th� delet� an� �
inser� lin� sequence� i� th� location� define� i� th� ne� VLBI4� �
extende� Z3TCA� an� us� the� i� found� otherwis� i� wil� produc� �
th� ne� displa� b� refreshin� th� entir� screen� whic� take� �
slightl� longer�  I� yo� haven'� ye� installe� � VLIB4� extende� �
Z3TCAP� th� include� utilit� TCSRC13.CO� ma� b� use� creat� � �
commente� sourc� cod� fil� fro� th� existin� Z3TCA� i� you� �
environment�  Thi� sourc� cod� fil� ca� the� b� easil� edite� t� �
ad� th� additiona� termina� command� supporte� b� VLIB4D� an� �
the� assemble� an� loade� t� you� environment�  Se� TCSRC13.DO� �
fo� mor� information.

A� � demonstratio� o� ho� th� WordSta� an� ZCPR� vide� displa� �
mode� work� tr� usin� SCA� t� vie� SCAN.HLP�   Man� o� th� �
heading� us� 01� (^A� an� 02� (^B� character� t� tur� th� �
standou� vide� mod� o� an� off� an� wil� sho� ho� SCA� use� �
highlighte� vide� i� th� ZCPR� mod� an� ho� SCA� display� contro� �
character� i� th� WordSta� mode.

� hop� yo� tr� SCA� an� tha� i� prove� usefu� t� you�  � welcom� �
al� comments� suggestion� an� bu� reports!  

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