���� VIRTUA� SYSTEMS
���� Be� Grey� Ceda� Mil� Z-Nod� 24
����I� m� las� articl� � attempte� t� explai� som� o� th� feature� an� �
����standard� tha� w� woul� b� followin� i� thi� column� I� thi� month'� �
����articl� � wil� continu� t� addres� som� o� thes� item� an� se� � �
����definit� directio� fo� u� t� follow� Bu� befor� � forget� ther� i� som� �
����ver� importan� informatio� tha� yo� wil� nee� i� yo� ar� goin� t� �
����follo� alon� an� d� th� example� presented.
����Firstly� I'l� explai� wher� t� ge� th� variou� file� yo� wil� need� �
����Fou� majo� file� wil� com� int� pla� i� thi� column� BUFFERS.REL� �
����SYSLIB36.REL� VLIB11.RE� an� Z3LIB13.REL� Thes� file� ar� collection� �
����(libraries� o� pr�-assemble� Z8� subroutines� Th� sourc� fo� the� i� �
����available� bu� i� general� neve� neede� an� no� generall� distributed� �
����Th� reason� Th� sourc� ha� alread� bee� tested� tim� an� tim� again� �
����an� rarel� nee�s an� modificatio� fo� use� I� an� whe� on� o� the� �
����require� changing� onl� officia� �-Tea� member� (o� whic� � a� one� �
����mak� th� changes� s� w� ca� kee� som� sor� o� modificatio� histor�.
����Secondly� eac� o� thes� file� ca� b� foun� o� Ceda� Mil� �-Nod� 2� �
����(CMZ�-24)� a� [503� 64�-4621� 300/1200/2400� 2�-hour� � day� Th� driv� �
����wit� th� highes� interes� wil� b� H� use� area� 0� 1� 2� 3� 5� an� 7� �
����Th� sam� file� wil� als� b� foun� o� Acces� Programmin� RA� (A�-RAS)� �
����[503� 64�-0900� 300/1200� 2�-hour� � day� o� th� sam� driv� an� use� �
����areas� Thi� wa� don� s� tha� i� on� syste� wa� busy� th� othe� ma� b� �
����use� t� ge� th� files� Bot� system� ru� Rus� Pencin'� Publi� Bulleti� �
����Boar� Syste� an� operat� identically� Registratio� I� required� i� �
����automatic� an� yo� D� nee� t� fil� ou� th� o�-lin� applicatio� �
����completel� an� accurately� [Aliase� an� Handle� ar� NO� allowed!� Th� �
����informatio� i� kep� confidential.
����Thirdly, PE�-� wil� hav� copie� o� thes� file� too� I� addition� th� �
����followin� file� wil� b� o� interes� an� shoul� b� capture� an� PRINTE� �
����o� you� printer� Man� ma� thin� thi� i� � waste� bu� � assur� you� i� �
����yo� wan� t� d� an� seriou� learning/programming� yo� nee� th� har� cop� �
����t� achiev� thes� goals� Th� file� ar� Z3INST.LBR� Z3WKBK.WZ� Z3USER.LB� �
����an� perhap� IOPUG.LBR� Additionally� yo� shoul� brows� th� article� i� �
����TCJ2�-29.LB� a� the� she� muc� ligh� o� th� �-Syste� an� it� operation� �
����The� ar� locate� o� H1� o� bot� systems� Mos� o� thes� file� ar� i� �
����WordSta� (tm� format.
����Lastly� yo� wil� wan� t� ge� th� SYSLIB3� hel� files� Thes� ar� � �
����collectio� o� ASCI� file� tha� explain� i� detail� ho� t� us� eac� o� �
����th� subroutine� i� SYSLIB36� Simila� file� exis� fo� VLIB1� an� �
����Z3LIB13� However� t� us� the� correctly� yo� wil� nee� a� appropriat� �
����HELP.CO� program� Thi� the� wil� b� ou� firs� majo� project� Writin� � �
����progra� t� properl� displa� tree-structure� hel� files.
� ���Th� o�-lin� hel� file� ar� invaluabl� aid� whe� yo� ar� tryin� t� �
����progra� � ne� application� I� yo� ar� usin� � CP/� system� an� yo� d� �
����no� hav� th� lates� dat� compressio� utilitie� (CRUNCH24.CO� an� �
����UNCR24.COM� yo� shoul� ge� them� Al� o� thes� file� hav� bee� �
����compresse� usin� thes� utilitie� t� sav� spac� an� downloa� time.
����[Not� t� M�-DO� readers� Ther� i� � softwar� emulato� i� th� MSDO� are� �
����o� bot� A�-RA� an� CMZ�-2� t� allo� yo� t� ru� CP/� program� o� you� �
����PC� X� o� AT� � d� no� kno� anythin� abou� it� bu� d� kno� i� works� I� �
����yo� ar� intereste� i� followin� along� yo� shoul� ge� thi� package� I� �
����i� calle� Z80MU310.ARC� Bria� Garrison� Emeral� Microware� Beaverton� �
����[503� 64�-0347� sell� a� ad�-o� boar� tha� wil� provid� yo� wit� � rea� �
����8MH� Z8� fo� you� system� Th� pric� i� $169.9� an� include� UNIFORM� � �
����dis� compatabilit� program.]
����On� fina� note� � a� generall� availabl� fro� 08:0� t� 22:0� dail� fo� �
����voic� communication� a� [503� 64�-6101� Fee� fre� t� cal� an� as� �
����question� i� yo� ar� los� o� d� no� understand� � woul� prefe� tha� �
����yo� cal� on� o� th� tw� system� liste� abov� an� plac� � messag� t� AL� �
����USER� s� other� i� th� communit� wil� b� abl� t� shar� i� helpin� you� �
����An� whil� � a� o� th� subjec� o� messages� yo� SHOUL� rea� th� message� �
����whe� signin� o� A�-RA� an� CMZ�-24� Al� importan� syste� change� ar� �
����poste� there� alon� wit� man� helpfu� hints!
����Preliminarie� ou� o� th� way� let� ge� o� wit� th� busines� a� hand.
����Standard� ar� � ver� importan� par� o� computer� (an� man� othe� thing� �
����a� well)� � woul� lik� t� begi� b� discussin� som� fil� namin� �
����convention� an� explainin� wh� the� wil� becom� absolutel� necessar� i� �
����th� future.
����Unde� th� CP/� operatin� system� � fil� specificatio� ha� tw� parts� �
����th� filenam� an� th� filetype� Th� nam� ma� no� excee� eigh� character� �
����an� th� typ� ma� no� excee� � characters� I� general� th� filenam� i� �
����use� t� describ� th� "name� an� "version� o� � specifi� se� o� files� �
����Th� filetyp� i� use� t� describ� th� "natur� o� type� o� th� file� A� �
����yo� alread� probabl� know� CO� file� ar� executable� an� th� filetyp� �
����i� a� acrony� fo� COMMAND� DO� file� ar� documentation� .RE� file� ar� �
����relocatabl� (M8� compatible� modules� an� s� on� Ther� ar� man� �
����filetypes� an� w� wil� no� concer� ourselve� wit� the� i� detail� A� �
����eac� on� i� introduced� i� wil� b� explaine� fo� you.
����Th� constructio� o� th� filenam� require� � littl� mor� explanation� �
����an� i� I� IMPORTAN� t� observ� th� rules� Th� prope� par� o� th� �
����filenam� shoul� b� th� firs� � (o� less� character� an� th� versio� an� �
����revisio� leve� th� las� thre� characters� Fo� example� w� ar� goin� t� �
����writ� � utilit� progra� calle� HELP� Th� sourc� fil� fo� thi� projec� �
����wil� b� calle� HELP100.MA� (o� HELP100.Z8� fo� thos� wh� prefe� thi� a� �
����th� filetype)� HEL� then� define� th� nam� o� th� program� th� � i� 10� �
����tell� u� i� i� versio� 1� an� th� 0� i� 100� tell� u� i� i� revisio� 0�.
����Thi� convention� whe� properl� observed� wil� mak� i� ver� eas� fo� u� �
����t� develo� � DAT� SE� MANAGEMEN� SYSTE� i� late� projects� Ho� ar� w� �
����t� kee� trac� o� ou� work� Thin� abou� it� Ho� d� w� writ� � program�
� ���W� generall� begi� b� "flo� charting� th� logi� o� th� program� The� �
����whe� w� ar� satisfie� tha� w� kno� wha� w� ar� goin� t� do� w� begi� �
����wit� ou� favorit� edito� an� writ� th� cod� t� accomplis� ou� goals� �
����Afte� w� hav� code� th� program� w� assembl� i� (compiling� an� ru� � �
����test� Mos� often� th� progra� wil� bom� becaus� w� hav� forgotte� t� d� �
����something� W� the� edi� th� sourc� again� compil� again� tes� agai� �
����...edit� compile� test...� unti� w� ge� � progra� tha� reall� works.
���Thi� firs� workin� versio� ma� tak� u� throug� severa� revision� whic� �
����w� trac� b� changin� th� revisio� numbe� (00� 01� 02,...etc)� NO� th� �
����versio� number� Program� i� developmen� generall� begi� wit� � versio� �
����o� 0� an� whe� completed� th� versio� i� change� t� � an� th� revisio� �
����t� 00� Thi� indicate� i� i� th� firs� i� it� series� A� a� example� le� �
����u� conside� th� HEL� program� W� wil� begi� b� namin� ou� sourc� fil� �
����HELP000.MAC� Ou� firs� revisio� (firs� edi� afte� th� firs� test� wil� �
����b� t� renam� i� t� HELP001.MAC� secon� t� HELP002.MA� an� s� on� I� �
����thi� way� w� wil� b� abl� t� "track� ou� modification� an� remembe� �
����wha� w� ar� workin� on.
����To� muc� work� yo� say� Perhap� so� bu� i� i� importan� t� realiz� tha� �
����w� nee� � metho� o� identifyin� ou� wor� an� thi� i� th� easies� metho� �
����b� far� I� i� simple� an� ver� straigh� forward� Oh� yo� say� wha� �
����abou� al� th� file� � alread� hav� tha� don'� follo� thi� convention� � �
����ca� onl� say� i� i� � pit� tha� other� di� no� observ� thi� techniqu� �
����i� th� past� Ho� ver� frustratin� i� i� t� downloa� � progra� onl� t� �
����fin� yo� alread� hav� i� unde� anothe� simila� bu� differen� name� Th� �
����botto� lin� is� mor� an� mor� file� (dat� sets� ar� bein� create� dail� �
����tha� eve� before� Observin� som� namin� standar� wil� hel� u� t� easil� �
����identif� program� fro� othe� systems� Thu� th� namin� conventio� tell� �
����u� somethin� abou� th� dat� set� Wha� i� is� wha� version� wha� �
����revisio� an� s� on�
����Wh� di� � choos� HEL� a� ou� firs� project� Simply� becaus� i� i� on� �
����o� th� bes� tool� available� i� i� eas� t� use� an� provide� u� wit� �
����interactive� o�-lin� assistanc� i� usin� ZCPR� i� general� an� specifi� �
����ZCPR� command� i� particular� Thos� o� yo� wh� ar� no� intereste� i� �
����runnin� ZCPR� wil� benefi� a� wel� becaus� w� wil� writ� thi� progra� �
����t� ru� o� eithe� CP/� o� ZCP� systems!
����Severa� paragraph� bac� � sai� w� bega� � programmin� exercis� b� flo� �
����chartin� th� applicatio� w� wan� t� write� Tha� wa� no� quit� right� W� �
����mus� firs� decid� wha� w� wan� th� progra� t� d� an� ho� i� wil� work� �
����Thi� i� generall� calle� th� "Progra� Definition"� I� w� d� no� hav� � �
����clea� pictur� o� wha� w� wis� t� d� i� ou� minds� w� wil� fin� i� �
����extremel� difficul� t� pla� ou� programming� I� i� durin� thi� phase� �
����definition� tha� w� shak� ou� ou� idea� an� commi� the� t� writing� Yo� �
����ar� fortunate� becaus� � hav� alread� writte� th� progra� definitio� �
����fo� you� Onward....
����Overvie� o� th� HEL� Comman� (Progra� Definition)
����HEL� pull� i� file� name� <filename>.HL� fro� dis� an� display� thes� �
����t� th� use� i� � page� mode� Thes� file� ar� o� tw� basi� types� �
����indexe� an� non-indexed.
�����"Indexed� HEL� files� o� whic� HELPSYS.HL� i� a� example� star� wit� a� �
����index� Whe� HEL� load� a� indexe� file� i� display� thi� inde� t� th� �
����use� an� allow� hi� t� selec� a� man� entrie� a� h� desires� i� an� �
����order� b� simpl� typin� th� letter(s� correspondin� t� hi� selection� �
����Onc� th� use� ha� mad� hi� selection� HEL� wil� loo� u� th� associate� �
����bod� o� tex� an� displa� i� t� hi� i� � page� mode� Whe� th� use� ha� �
����finishe� reading� HEL� return� hi� t� th� inde� menu� Typin� � Conto�-� �
����wil� retur� th� use� t� th� operatin� system.
����Ther� ar� tw� type� o� indexe� HEL� files� use�-indexe� an� HEL�-�
����indexed� � "use�-indexed� fil� (o� whic� HELPSYS.HL� i� a� example� i� �
����on� i� whic� th� write� o� th� fil� i� allowe� t� crea�e th� imag� o� �
����th� inde� o� hi� scree� i� th� for� whic� wil� b� displaye� t� th� use� �
����o� th� HEL� file.
����� "HEL�-indexed� HEL� fil� i� on� whic� contain� � lis� o� th� option� �
����a� th� beginnin� o� it� HEL� automaticall� create� th� menu� assignin� �
����sequentia� letter� (A� B� etc.� t� th� men� options.
����"No�-indexed� file� d� no� star� wit� a� index� I� suc� cases� HEL� �
����wil� immediatel� displa� th� content� o� th� fil� t� th� use� and� whe� �
����th� use� ha� finishe� lookin� a� it� retur� t� th� operatin� system.
����HEL� i� men�-driven� an� al� th� command� availabl� t� th� use� a� an� �
����give� tim� ar� displaye� t� him� Th� versio� o� hel� w� wil� develo� i� �
����designe� t� wor� wit� th� ZCPR� syste� an� wil� tak� advantag� o� som� �
����o� it� specia� feature� (CP/Mer� neve� fear...yo� ca� us� i� too).
����Ho� t� us� th� HEL� command
����Th� HEL� comman� i� execute� i� on� o� thre� ways:
���� 1� B� jus� typin� HELP
���� 2� B� typin� HEL� <filename>� wher� th� angl� bracket� ar� no� �
��������������typed� an� filenam� i� th� nam� o� � dis� fil� wit� th� .HL� �
��������������filetype
���� 3� B� typin� HEL� <filename.typ>� wher� th� angl� bracket� ar� �
��������������no� typed� an� filename.ty� i� th� nam� o� � fil� create� i� �
��������������th� forma� o� � hel� file.
����I� th� use� type� jus� HELP� h� wil� revie� th� fil� HELP.HLP� whic� �
����shoul� contai� � brie� summar� o� ho� t� us� th� HEL� command� Fo� al� �
����othe� form� o� th� hel� command� th� use� wil� se� th� specifie� hel� �
����fil� information� Generall� speaking� th� nam� o� th� hel� fil� shoul� �
����b� indicativ� o� it� subjec� �� i.e.� CPM.HL� shoul� contai� hel� �
����informatio� o� CP/M.
����HEL� fil� searc� hierarchy
����Wheneve� HEL� look� fo� � specifie� HEL� fil� (eithe� fro� th� HEL� �
����comman� o� fro� a� informatio� sectio� whic� specifie� � Nod� [se� �
����later])� HEL� wil� perfor� � searc� fo� th� indicate� file� Th� searc� �
����goe� a� follows:
�
���� 1� Unde� ZCPR3� HEL� wil� follo� th� comman�-searc� path� �
��������������searchin� th� curren� director� (dis� an� user� first.
���� 2� I� th� HLP fil� i� no� foun� i� th� curren� directory� HEL� �
��������������wil� searc� alon� th� ZCPR� pat� fo� it.
���� 3. I� th� HL� fil� i� no� foun� alon� th� ZCPR� path� the� HEL� �
��������������wil� loo� i� th� director� name� "HELP� fo� th� indicate� �
��������������file� Thi� i� � majo� differenc� betwee� HEL� an� othe� ZCPR� �
��������������utilities.
���� 4. I� th� HLP fil� i� no� found� HEL� wil� prin� a� erro� �
��������������message.
����Movin� aroun� withi� th� HEL� command
����Onc� th� use� i� runnin� HELP� h� i� give� � se� o� command� b� whic� �
����h� ca� displa� th� particula� item� o� informatio� h� i� intereste� in.
����Afte� issuin� th� HEL� command� th� use� wil� com� u� i� on� o� tw� �
����mode� (dependin� o� th� typ� o� HEL� fil� referenced)� I� indexe� mode� �
����� men� o� topic� i� displaye� t� th� use� an� h� ca� selec� th� desire� �
����topi� b� typin� th� characte� i� fron� o� th� topi� title� I� no�-�
����indexe� mode� n� men� i� displayed� instead� th� entir� fil� i� viewe� �
����a� on� "informatio� section".
����A� "informatio� section� i� � collectio� o� scree� display� (on� scree� �
����ful� o� text� calle� "frames"� Typically� a� informatio� sectio� shoul� �
����contai� � logica� groupin� o� relate� dat� o� � particula� topic� I� �
����indexe� mode� eac� men� topi� refer� t� a� informatio� section� B� �
����selectin� � topic� th� use� i� place� i� th� correspondin� informatio� �
����section� I� no�-indexe� mode� th� entir� HEL� fil� i� on� informatio� �
����section.
����Movin� fro� th� menu
����A� th� men� o� � HEL� file� th� use� ha� tw� basi� choices� t� selec� � �
����men� topi� fo� review� o� t� exi� t� th� operatin� system� I� � men� �
����topi� i� selected� th� use� i� place� int� th� correspondin� �
����informatio� section.
����� thir� choic� i� sometime� availabl� a� th� men� level� t� mov� u� t� �
����th� previou� HEL� level� Som� informatio� section� ar� entir� HEL� �
����file� i� thei� ow� right� whic� ca� b� accesse� independentl� o� th� �
����HEL� fil� th� use� i� currentl� in� I� th� use� enter� on� o� thes� �
����informatio� sections� th� nam� o� th� curren� HEL� fil� i� save� an� �
����th� ne� HEL� fil� i� loaded� Whe� thi� happens� th� use� i� place� a� �
����th� nex� HEL� level.
����HEL� level� star� a� � an� increas� eac� time th� use� call� � ne� �
����HEL� fil� fro� hi� curren� level� Thus� h� start� a� 0� an� th� firs� �
����HEL� fil� h� call� put� hi� a� leve� 1� I� h� no� call� anothe� HEL� �
����file� thi� put� hi� a� leve� 2� Fro� leve� � h� ma� hav� th� optio� o� �
����exiting� eithe� t� th� operatin� syste� (retur� hel� leve� 0� o� th� ������previou� leve� (1).
����Th� HEL� file� ar� organize� i� � "tre� dat� structure�. T� ge� t� � �
����particula� HEL� file� th� use� start� a� th� roo� o� th� tre� an� the� �
����climb� u� an� dow� th� trun� an� branche� t� variou� levels� o� �
����"nodes"� Fro� eac� node� th� use� ma� onl� mov� u� o� dow� th� tre� �� �
����h� canno� cros� ove� t� � nod� a� th� sam� leve� withou� firs� movin� �
����dow� th� tre� an� bac� up� T� illustrate� conside� th� following:
���� Hel� Level
����Nod� � Nod� B
����-----� -----� 5
���� � /
���� Nod� C
���� -----� 4
����
\
���� Nod� � Nod� E
���� -----� -----� 3
���� � /
���� Nod� � Nod� G
���� -----� -----� 2
���� � /
���� Nod� � Nod� I
���� -----� -----� 1
���� � /
���� Nod� J
����Roo� o� Tree ----> -----� 0
����I� th� abov� example� th� use� mus� alway� star� a� th� roo� o� th� �
����tre� (Nod� J)� Thi� i� analogou� t� HEL� Leve� 0� whic� i� wher� th� �
����use� i� place� whe� h� issue� th� HEL� command� T� ge� t� Nod� C� fo� �
����example� th� use� ha� t� clim� th� tre� fro� Nod� � t� Nod� � t� Nod� � �
����t� Nod� � t� Nod� C� Thi� woul� b� lik� th� use� enterin� fou� mod�-�
����typ� informatio� sections� i� whic� differen� HEL� file� ar� �
����successivel� loaded.
����No� tha� th� use� i� a� Nod� C� let'� sa� h� want� t� g� t� Nod� E� �
����Unde� th� HEL� system� ther� ar� tw� way� t� d� this:�
���� 1.���Jum� t� th� groun� an� the� clim� bac� t� Nod� E� Here� th� �
��������������use� woul� jum� fro� Nod� � t� Nod� � an� the� g� t� Nod� � �
��������������t� Nod� � t� Nod� E� Unde� HELP� th� use� ca� d� thi� b� �
��������������exitin� t� th� operatin� syste� an� the� r�-issuin� th� HEL� �
��������������comman� or b� issuin� th� Roo� Comman� (.)� onc� a� th� roo� �
��������������o� th� tree� h� the� climb� i� agai� b� enterin� th� �
��������������appropriat� informatio� sections.
���� 2� Clim� dow� th� tre� an� the� bac� up� Th� use� woul� mov� �
��������������fro� Nod� � t� Nod� � t� Nod� � an� the� bac� u� t� Nod� E� �
��������������Th� HEL� use� ca� g� t� th� previou� leve� b� issuin� th� U� �
��������������Leve� (^� command� I� thi� example� h� woul� issu� th� Up �
��������������Leve� comman� twic� an� the� g� bac� down.
�����Movin� withi� a� Informatio� Section
����Onc� th� use� i� withi� � textua� informatio� section� h� ha� severa� �
����capabilitie� fo� movin� withi� thi� sectio� o� t� anothe� informatio� �
����section.
����First� t� leav� a� informatio� section� th� use� ca� retur� t� th� men� �
����(i� th� curren� HEL� fil� i� indexed� o� retur� t� th� operatin� �
����system� Additionally� i� th� use� i� no� o� th� roo� (HEL� Leve� 0)� h� �
����ca� retur� t� th� previou� HEL� Leve� (U� Level)� I� th� use� i� no� i� �
����a� Indexe� HEL� file� movin� forwar� beyon� th� En� o� Informatio� �
����(EOI� wil� retur� hi� t� th� operatin� syste� i� h� i� a� HEL� leve� 0� �
����o� t� th� previou� HEL� leve� i� not.
����Th� dat� withi� a� informatio� sectio� i� arrange� sequentially� �
����Consequently� th� use� ca� mov� forwar� t� th� nex� frame� o� backwar� �
����t� th� previou� fram� o� t� th� beginnin� o� th� informatio� section� �
����Th� use� canno� mov� backwar� beyon� th� beginnin� o� th� informatio� �
����section� i� h� trie� t� d� so� � bel� i� sounded� Also� i� th� use� �
����tire� t� mov� forwar� beyon� th� En� o� Informatio� (EOI)� h� i� �
����returne� t� th� menu� returne� t� th� operatin� system� o� returne� t� �
����th� previou� HEL� Leve� a� describe� above.
����HEL� Statu� an� Comman� Prompts
����Wheneve� th� HEL� syste� i� i� us� an� a� informatio� sectio� i� bein� �
����displayed� th� botto� lin� o� th� scree� display� som� statu� �
����informatio� an� th� prompt� fo� HEL� command� availabl� t� th� user.
����Th� statu� indicator� appea� a� th� extrem� lef� o� th� botto� line� �
����the� ar� followe� b� th� comman� prompts� Th� statu� indicator� ma� �
����tak� th� followin� forms:
����<Nothing� ...� comman� prompt� ....
���� \
���� \_� Th� use� i� a� th� men� o� Leve� 0
����fff� ...� comman� prompt� .....
���� \
���� \_� Curren� Fram� Numbe� withi� th� Informatio� Section
���� (th� use� i� a� Leve� 0)
����Leve� lll� ...� comman� prompt� ....
���� \
���� \_� Curren� Leve� Numbe� (Th� use� i� a� � men� frame)
���� (thi� i� displaye� onl� i� th� use� i� NO� a� Leve� 0)
����Leve� lll/fff� ...� comman� prompt� ...
���� � \
���� � �_� Curren� Fram� Numbe� withi� Informatio� Section
���� \
���� \_____� Curren� Leve� Number
���� (thi� i� displaye� onl� i� th� use� i� NO� a� Leve� 0)
�����Th� comman� prompt� tak� on� o� th� thre� format� show� below� �
����dependin� o� th� HEL� file� i� use:
����^C=ZCPR� ^=Leve� .=Roo� M=Men� S=Star� L=Las� P=Print
���� � � � � � � \
���� � � � � � � Prin� Info
���� � � � � � G� t� Las� Frame
���� � � � � G� t� Star� o� Inf� Section
���� � � � G� t� Men� o� HEL� file
���� � � G� t� Roo� i� NO� a� Leve� 0
���� � G� t� Previou� Level
���� Retur� t� ZCPR� (operatin� system)
����EO� ^C=ZCPR� ^=Leve� .=Roo� M=Men� S=Star� L=Las� P=Print
���� � � � � � � � \
���� � --------------------------------------------� a� above...
���� Use� i� a� th� End O� Informatio� (section)
����Typ� ^C=ZCPR� ^=Leve� .=Roo� o� Ente� Selectio� -
���� � � � �
���� � � � Ente� lette� o� desire� info
���� � � G� t� Roo� i� No� a� Leve� 0
���� � G� t� Previou� Leve� i� NO� a� Leve� 0
���� Retur� t� ZCPR� (operatin� system)
���� Summar� o� Use� Commands
���� Comman� Meaning
���� � G� t� Previou� Level
���� � G� t� Roo� Level
���� � G� t� Men� o� Curren� HEL� File
���� � G� t� Star� o� Informatio� Section
���� � G� t� Las� (previous� Frame
���� <cr� G� t� Nex� Frame
���� <sp� G� t� Nex� Frame
���� ^� G� t� ZCPR� (operatin� System)
���� � Prin� Curren� Scree� Displa� (Frame� or
���� Informatio� Section
����Note� <cr� � carriag� retur� o� enter
���� <sp� � spac� bar
���� ^� � control-� (Contro� ke� an� � presse� simultaneously)
����[Note� Bot� CMZ�-2� an� A�-RA� hav� extensiv� o�-lin� HEL� system� tha� �
����us� th� ver� definition� w� hav� jus� described� HEL� i� fundamenta� t� �
����thes� systems� Yo� ar� invite� t� cal� an� experimen� wit� HELP� Kee� �
����i� mind� th� Prin� featur� i� disable� o� Remot� Acces� System� becaus� �
����i� woul� NO� prin� o� YOU� printer� an� we� th� syste� operators� kno� �
����wha� th� file� say� W� wrot� them.