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Welcome to the HELP Command How to Use the HELP Command Moving Around within the HELP Command HELP Command Prompts HELP Error Messages How to Write HELP Files An Explanation of the Tree Structure of the HELP Command Sample HELP Files Illustrating Use of Tree Structure :HELP: Welcome to the HELP Command Welcomσ t∩ thσ HEL╨ Commandí Thσ HEL╨ CommanΣ i≤ designeΣ ì t∩ assis⌠ you¼á thσ CP/═ user¼ iε thσ usσ oµ CP/═ iε genera∞ ì anΣ specifiπ CP/═ command≤ iε particular«á I⌠ i≤ designeΣ ì a≤ aε interactive¼ on-linσ assistancσ system. HEL╨á pull≤á iεá file≤ nameΣ <FILENAME>.HL╨á froφá disδá anΣ ì display≤ thesσ t∩ thσ use≥ iε ß pageΣ mode«á Thesσ file≤ arσ oµ ì tw∩ basiπ type≤ -- indexeΣ anΣ non-indexed. IndexeΣá file≤á arσá thosσ HEL╨ file≤ whicΦá star⌠á witΦá aε ì index«á Thi≤á i≤ aε examplσ oµ aε indexeΣ file«á Wheεá HEL╨ ì load≤á aε indexeΣ file¼á i⌠ display≤ thi≤ inde° t∩ thσá use≥ ì anΣá allow≤ hiφ t∩ selec⌠ entrie≤ froφ it«á Thσ use≥ ma∙ selec⌠ ì a≤ man∙ entrie≤ a≤ hσ desire≤ iε an∙ orde≥ hσ desire≤ b∙ simpl∙ ì typinτ thσ lette≥ oµ hi≤ selection«á Oncσ thσ use≥ ha≤ madσ hi≤ ì selection¼á HEL╨á wil∞ looδ u≡ thσ bod∙ oµ tex⌠ hσá selecteΣá anΣ ì displa∙ i⌠ t∩ hiφ iε ß pageΣ mode«á Wheε thσ use≥ ha≤ finisheΣ ì readinτá hi≤á selection¼á HEL╨ theε return≤ hiφ t∩á thσá inde° ì menu« Typinτ ß Control-├ wil∞ returε thσ use≥ t∩ CP/M. Non-indexeΣ file≤ arσ thosσ HEL╨ file≤ whicΦ d∩ no⌠ star⌠ ì witΦ aε index«á Iε sucΦ cases¼á HEL╨ wil∞ immediatel∙ displa∙ ì thσá content≤á oµ thσ filσ t∩ thσ use≥ and¼á wheε thσ use≥á ha≤ ì finisheΣ lookinτ a⌠ it¼ HEL╨ wil∞ returε t∩ CP/M. HEL╨ i≤ menu-driven¼á anΣ al∞ thσ command≤ availablσ t∩á thσ ì use≥ a⌠ an∙ giveε timσ arσ displayeΣ t∩ him« Thσá versioε oµ HEL╨ describeΣ iε thi≤ HL╨ filσ i≤á designeΣ ì t∩á worδ witΦ thσ ZCPR▓ systeφ anΣ takσ advantagσ oµ somσ oµá it≤ ì special features. Richard Conn :HELP: How to Use the HELP Command The HELP Command is executed in one of three ways: (1) by just typing 'HELP' (2) by typing 'HELP FILENAME', where FILENAME is the name of a disk file named FILENAME.HLP (3) by typing 'HELP FILENAME.TYP', where FILENAME.TYP is the name of a file created in the format of a help file Iµá thσ use≥ type≤ jus⌠ 'HELP'¼á hσ wil∞ receivσ ß lis⌠á oµ ì thσ availablσ HEL╨ File≤ anΣ m∙ elec⌠ t∩ reaΣ thσ basiπá HELP.HL╨ ì file« Fo≥ al∞ othe≥ form≤ oµ thσ HEL╨ command¼ thσ use≥ wil∞ seσ ì thσá specifieΣ hel≡ filσ information«á Generall∙á speaking¼á thσ ì namσá oµá thσá hel≡ filσ shoulΣ bσ indicativσ oµá it≤á subject¼ ì likσ CPM.HL╨ shoulΣ contaiε hel≡ informatioε oε CP/M. The HELP File Search Hierarchy Wheneve≥ HEL╨ look≤ fo≥ ß specifieΣ HEL╨ Filσ (eithe≥á froφ ì thσá HEL╨á CommanΣá o≥á froφ aεá Informatioεá Sectioεá whicΦ ì specifie≤ ß Nodσ [seσ later])¼ HEL╨ wil∞ perforφ ß searcΦ fo≥ ì thσ indicateΣ file« Thi≤ searcΦ goe≤ a≤ follows: 1«á Unde≥á ZCPR2¼á HEL╨á caε bσ se⌠ u≡ t∩á follo≈á thσ ì externa∞ path«á A≤ such¼á HEL╨ wil∞ searcΦ thσ curren⌠ director∙ ì (disδá anΣá user⌐á first«á Iµ i⌠ i≤ no⌠ se⌠á u≡á t∩á searcΦá thσ ì external path, it will search along its internal path. 2«á Iµá thσá HL╨ filσ i≤ no⌠ founΣ unde≥á thσá curren⌠ ì directory¼ HEL╨ wil∞ searcΦ alonτ thσ ZCPR▓ patΦ fo≥ it. (Continued Next Frame) HELP File Search Hierarchy, Continued 3«á Iµ thσ HL╨ filσ i≤ no⌠ founΣ alonτ thσ ZCPR▓ path¼ ì theε HEL╨ wil∞ searcΦ alonτ it≤ interna∞ patΦ fo≥ thσ file« Thi≤ ì i≤ ß majo≥ differencσ betweeε HEL╨ anΣ othe≥ ZCPR▓ utilities« T∩ ì configurσá HEL╨á witΦ GENINS¼á yo⌡ shoulΣ firs⌠ tel∞ GENIN╙á tha⌠ ì HEL╨ doe≤ no⌠ usσ externa∞ paths¼á definσ thσ interna∞ path¼á anΣ ì theε tel∞ GENIN╙ tha⌠ HEL╨ use≤ externa∞ path≤ anΣ wherσ thσ patΦ ì begins. 4«á Iµá thσ HL╨ filσ i≤ no⌠ found¼á HEL╨á wil∞á eithe≥ ì displa∙á thσ name≤ oµ thσ HL╨ file≤ alonτ thσ patΦ anΣ prin⌠á it≤ ì interna∞ documentatioε o≥ finΣ thσ filσ HELP.HL╨ anΣ prin⌠ that. :HELP: Moving Around within the HELP Command Oncσ thσ use≥ i≤ runninτ HELP¼ hσ i≤ giveε ß se⌠ oµ command≤ ì b∙ whicΦ hσ caε displa∙ thσ particula≥ item≤ oµ informatioε hσ i≤ ì interesteΣ in. Afte≥á issuinτ thσ HEL╨ command¼á thσ use≥ wil∞ comσ u≡ iε ì onσ oµ tw∩ mode≤ (dependinτ oε thσ typσ oµ HEL╨ filσ referenced)« ì Iε IndexeΣ Mode¼á ß Men⌡ oµ topic≤ i≤ displayeΣ t∩ thσ use≥ anΣ ì hσá caεá selec⌠ thσ desireΣ topiπ b∙ typinτá thσá lette≥á iε ì fron⌠á oµ thσ topiπ title╗á iε Non-IndexeΣ Mode¼á n∩ men⌡ i≤ ì displayeΣ anΣ thσ entirσ filσ i≤ vieweΣ a≤ onσ Informatioε ì Section. Aεá Informatioε Sectioε i≤ ß collectioε oµ screeεá display≤ ì (onσá screeε ful∞ oµ text⌐ calleΣá Frames«á Typically¼á aε ì Informatioε Sectioε shoulΣ contaiε ß logica∞ groupinτ oµá relateΣ ì datßá oε ß particula≥ topic«á Iε IndexeΣ Mode¼á eacΦ Men⌡ topiπ ì refer≤ t∩ aε Informatioε Section« B∙ selectinτ ß topic¼ thσ use≥ ì i≤ placeΣ int∩ aε Informatioε Section«á Iε Non-IndexeΣ Mode¼ thσ ì entirσ HEL╨ filσ i≤ onσ Informatioε Section. Moving From the Menu A⌠á thσá Men⌡á oµ ß HEL╨ file¼á thσá use≥á ha≤á tw∩á basiπ ì options« Thesσ option≤ arσ t∩ selec⌠ ß Men⌡ topiπ t∩ revie≈ o≥ ì t∩á exi⌠ t∩ CP/M«á Iµ ß Men⌡ topiπ i≤ selected¼á thσ use≥á i≤ ì placeΣ int∩ tha⌠ Informatioε Section. ┴á thirΣá optioε a⌠ thσ Men⌡ oµ ß HEL╨ filσá i≤á sometime≤ ì available«á Thi≤á optioεá i≤ t∩ movσ u≡ t∩ thσ previou≤á HEL╨ ì Level«á Somσá Informatioεá Section≤ arσ entirσ HEL╨á file≤á iε ì thei≥ owε right¼ whicΦ caε bσ accesseΣ independentl∙ oµ thσ HEL╨ ì filσ thσ use≥ i≤ currentl∙ in« Iµ thσ use≥ enter≤ onσ oµ thesσ ì Informatioε Sections¼ thσ namσ oµ thσ curren⌠ HEL╨ filσ i≤ saveΣ ì anΣ thσ ne≈ HEL╨ filσ i≤ loaded«á Wheε thi≤ happens¼á thσ use≥ ì i≤ placeΣ a⌠ thσ nex⌠ HEL╨ Leve∞ (aε ascendinτ number¼ wherσ thσ ì origina∞ HEL╨ filσ i≤ a⌠ HEL╨ Leve∞ 0¼á ß HEL╨ filσ calleΣá froφ ì thi≤ leve∞ i≤ a⌠ HEL╨ Leve∞ 1¼ ß HEL╨ filσ calleΣ froφ thi≤ leve∞ ì i≤á a⌠ HEL╨ Leve∞ 2¼á etc.)«á Wheε thσ use≥ i≤ a⌠ ß lowe≥á HEL╨ ì Leve∞ (use≥ i≤ NO╘ a⌠ HEL╨ Leve∞ 0)¼ hσ ha≤ thσ optioε t∩ movσ ì t∩á thσ nex⌠ highe≥ HEL╨ Leve∞ (froφ HEL╨ Leve∞ ▒ t∩ HEL╨á Leve∞ ì 0¼ fo≥ example). Thσá concep⌠á oµ movinτ betweeε HEL╨ Level≤ i≤ deriveΣá froφ ì thσ concep⌠ oµ ß Treσ datß structurσ froφ Compute≥á Science«á Iε ì thi≤ concept¼á thσ use≥ start≤ a⌠ thσ roo⌠ oµ thσ treσ anΣ theε ì climb≤á u≡á anΣá dowε thσ treσ t∩ variou≤á levels¼á o≥á nodes« ì Froφ eacΦ node¼á thσ use≥ ma∙ onl∙ movσ u≡ o≥ dowε thσ treσá -- ì hσá can'⌠á cros≤ ove≥ t∩ ß nodσ a⌠ thσ samσ leve∞ withou⌠á firs⌠ ì movinτ dowε thσ treσ anΣ theε bacδ up«á T∩ illustrate¼ conside≥ ì thσ following: Node A Node B HELP Level _________ ____________ 5 \ Node C / -------------- 4 \ Node D Node E ------------ ---------------- 3 \ Node F / Node G --------------------------- ----------- 2 \ Node H / Node I -------------------------- ------- 1 \ Node J / Root of Tree --> -------------------------- 0 Iεá thσ abovσ example¼á thσ use≥ mus⌠ alway≤ star⌠ a⌠á thσ ì roo⌠á oµ thσ treσ (Nodσ J)«á Thi≤ i≤ analogou≤ t∩ HEL╨ Leve∞á 0¼ ì whicΦ i≤ wherσ thσ use≥ i≤ placσ wheε hσ issue≤ thσ HEL╨ Command« ì T∩ ge⌠ t∩ Nodσ C¼á fo≥ example¼á thσ use≥ ha≤ t∩ climΓ thσá treσ ì froφá Nodσá ╩ t∩ Nodσ ╚ t∩ Nodσ ╞ t∩ Nodσ ─ t∩á Nodσá C«á Thi≤ ì woulΣáá bσá likσá thσá use≥á enterinτá ┤á Node-Typσá Informatioε ì Sections¼ iε whicΦ differen⌠ HEL╨ file≤ arσ successivel∙ loaded. No≈ tha⌠ thσ use≥ i≤ a⌠ Nodσ C¼á let'≤ sa∙ tha⌠ hσ want≤á t∩ ì g∩á t∩ Nodσ E«á Unde≥ thσ HEL╨ System¼á therσ arσ tw∩ way≤ t∩ d∩ ì this: 1«á Jum≡ ofµ oµ thσ treσ anΣ theε climΓ bacδ u≡ t∩ ì Nodσá E«á Here¼á thσ use≥ woulΣ jum≡ froφ Nodσ ├ t∩ Nodσ ╩á anΣ ì theε g∩ t∩ Nodσ ╚ t∩ Nodσ ╞ t∩ Nodσ E« Unde≥ HELP¼ thσ use≥ caε ì d∩á thi≤ b∙ exitinτ t∩ CP/═ anΣ theε reissuinτ thσ HEL╨á CommanΣ ì o≥ b∙ issuinτ thσ Roo⌠ CommanΣ (.)╗á oncσ a⌠ thσ roo⌠ oµ thσ ì tree¼á hσ theε climb≤ i⌠ agaiε b∙ enterinτ thσá appropriatσ ì Informatioε Sections. 2«á ClimΓ dowε thσ treσ anΣ theε bacδ up«á Thσ use≥ ì woulΣá movσá froφ Nodσ ├ t∩ Nodσ ─ t∩ Nodσ ╞ anΣ theε bacδ u≡á t∩ ì Nodσá E«á Thσ HEL╨ use≥ caε g∩ t∩ thσ previou≤ leve∞ b∙á issuinτ ì thσá U≡ Leve∞ (^⌐ command«á Iε thi≤ example¼á hσ woulΣ U≡á Leve∞ ì twicσ anΣ theε g∩ bacδ down. Moving Within An Information Section Oncσá thσ use≥ i≤ withiε ß textua∞ Informatioεá Section¼á hσ ì ha≤á severa∞ capabilitie≤ fo≥ movinτ withiε thi≤ sectioε anΣá ou⌠ ì oµ thi≤ section. First¼á t∩ movσ ou⌠ oµ aε Informatioε Section¼ thσ use≥ caε ì returεá t∩á thσ men⌡ (iµ thσ curren⌠ HEL╨ filσá i≤á Indexed⌐á o≥ ì returε t∩ CP/M«á Additionally¼á iµ thσ use≥ i≤ no⌠ oε thσ roo⌠ ì (HEL╨á Leve∞á 0)¼á hσ caε returε t∩ thσ previou≤ HEL╨á Leve∞á (U≡ ì Level)«á Iµá thσá use≥ i≤ no⌠ iε aε IndexeΣ HEL╨á file¼á movinτ ì forwarΣá beyonΣ thσ EnΣ oµ Informatioε (EOI⌐ wil∞ returε hiφá t∩ ì CP/═ iµ hσ i≤ a⌠ HEL╨ Leve∞ ░ o≥ returε hiφ t∩ thσ previou≤á HEL╨ ì Leve∞ iµ not. T∩ movσ withiε aε Informatioε Section¼ thσ datß i≤ typicall∙ ì arrangeΣ sequentially«á Consequently¼ thσ use≥ caε movσ ForwarΣ ì t∩á thσ nex⌠ Frame¼á BackwarΣ t∩ thσ previou≤ Frame¼á o≥ t∩ thσ ì beginninτá oµ thσ Informatioεá Section«á Naturally¼á thσá use≥ ì canno⌠á movσá backwarΣá beyonΣ thσ beginninτ oµá thσá Informatioε ì Section«á Also¼á iµ thσ use≥ trie≤ t∩ movσ forwarΣ beyonΣá thσ ì EnΣá oµá Informatioε (EOI)¼á hσ i≤ eithe≥ returneΣ t∩ thσá Menu¼ ì returneΣá t∩á CP/M¼á o≥ returneΣ t∩ thσ previou≤á HEL╨á Leve∞á a≤ ì describeΣ above. :HELP: HELP Command Prompts Thσá followinτá arσ thσ basiπ prompt≤ fo≥á use≥á commanΣ ì whicΦ HEL╨ display≤ t∩ thσ use≥ anΣ thei≥ meanings. ^C=CP/M ^=Level .=Root M=Menu S=Start L=Last CR=Next - \ \ \ \ \ \ \__Goto Next Frame \ \ \ \ \ \__Goto Last (Previous) Frame \ \ \ \ \__Goto Start of Info Section \ \ \ \__Goto Menu of HELP File \ \ \__Goto Root if NOT at Level 0 \ \ (this is displayed only if NOT at Level 0) \ \__Goto Previous Level \ (this is displayed only if NOT at Level 0) \__Return to CP/M EOI ^C=CP/M ^=Level .=Root M=Menu S=Start L=Last CR=Next - \ \________\_______\________\_______\_______\_______\__Same as \ Above \__User is at the End of Information (end of Information Section) Type ^C=CP/M ^=Level .=Root or Enter Selection - \ \ \ \__Enter letter of desired \ \ \ Information Section \ \ \__Goto Root \ \ (this is displayed only if NOT at Level 0) \ \__Goto Previous Level \ (this is displayed only if NOT at Level 0) \__Return to CP/M Preceedinτá eacΦ oµ thσ abovσ prompt≤ i≤ aε indicato≥á oµ ì thσ HEL╨ Leve∞ anΣ Framσ Numbe≥ thσ use≥ i≤ currentl∙ at« Thi≤ ì indicato≥ ma∙ takσ thσ followinτ forms: <Nothing> \__The user is at the Menu of Level 0 fff: \__Current Frame Number within Information Section (the user is at Level 0) Level lll/ \__Current Level Number (The user is at a Menu Frame) (this is displayed only if the user is NOT at Level 0) Level lll/fff: \ \__Current Frame Number within Information Section \__Current Level Number (this is displayed only if the user is NOT at Level 0) Summary of User Commands Cmd Meaning ^ Go to Previous Level . Go to Root Level M Go to Menu of Current HELP File S Go to Start of Information Section L Go to Previous Frame CR (Carriage Return or Space) Go to Next Frame ^C (Control-C) Return to CP/M :HELP: HELP Error Messages Thσá followinτá arσ thσ erro≥ message≤ issueΣ b∙á HEL╨ ì anΣ thei≥ meanings: HELP FATAL ERROR -- File not Found The specified HELP File cannot be found. HELP FATAL ERROR -- File Name Contains Wild Car Thσá specifieΣ HEL╨ Filσ contain≤ thσ characte≥ "*ó o≥á "?"« ì Thi≤ i≤ no⌠ alloweΣ sincσ i⌠ specifie≤ aε ambiguou≤ name. HELP ERROR -- Invalid Response The user issued an invalid command. HELP ERROR -- EOF on HELP File Iε searchinτ fo≥ aε Informatioε Section¼á HEL╨ raε int∩á thσ ì enΣá oµá thσ HEL╨ File«á Thσ IndexeΣ HEL╨ Filσ i≤á improperl∙ ì structureΣ (morσ inde° entrie≤ thaε Informatioε Sections). HELP ERROR -- Not Possible to Backup Before Start of Info Aεá ╠á CommanΣá wa≤ issueΣ wheε thσ curren⌠ Framσá wa≤á thσ ì beginninτ oµ thσ curren⌠ Informatioε Section. HELP ERROR -- Node Level Limit Reached -- Aborting Thσá limi⌠á oµ thσ nestinτ oµ thσ HEL╨ Level≤á i≤á exceeded« ì HEL╨ limit≤ thσ numbe≥ oµ HEL╨ Level≤ tha⌠ caε bσ traverseΣ t∩ 1░ ì (default¼á whicΦá caε bσ changed)¼á anΣ aε attemp⌠ wa≤ madσá t∩ ì ente≥ HEL╨ Leve∞ 1▒ (o≥ defaul⌠ ½ 1). HELP ERROR -- Invalid File Name in Load Aε Informatioε Sectioε whicΦ i≤ tryinτ t∩ loaΣ ß nodσá (g∩ ì t∩ nex⌠ HEL╨ Level⌐ contain≤ aε invaliΣ filσ name. HELP ERROR -- No Higher Level to Return to Aεá attemp⌠ wa≤ madσ t∩ g∩ t∩ ß HEL╨ Leve∞ previou≤ t∩á HEL╨ ì Leve∞ ░ (▐ CommanΣ issueΣ froφ HEL╨ Leve∞ 0). HELP ERROR -- Not Enough Room for HELP File Thσá selecteΣá HEL╨á Filσá i≤ to∩ largσá t∩á loaΣá int∩á thσ ì availablσ memor∙ iε thσ user'≤ compute≥ system«á Thσ HEL╨ Filσ ì shoulΣ bσ reduceΣ iε size╗ usinτ HEL╨ Level≤ (Nodσ references⌐ iε ì thσ Informatioε Section≤ i≤ ß gooΣ wa∙ t∩ d∩ this. :HELP: How to Write HELP Files File≤á useΣá b∙á thσ HEL╨ prograφ arσ eithe≥á simplσá CP/M-ì standarΣá file≤ oµ ASCI╔ tex⌠ o≥ ASCI╔á file≤á generateΣ ì b∙á thσ WorΣ Sta≥ tex⌠ editor/formatter«á Thesσ files¼á a≤ ì mentioneΣá above¼á arσá oµ tw∩ basiπá types║á indexeΣá anΣá non-ì indexed¼á anΣá eacΦ typσ i≤ relateΣ t∩ thσ othe≥ anΣ i≤ oµá thσ ì samσ basiπ format. Grouping of Information Informatioε displayeΣ t∩ thσ use≥ i≤ groupeΣ b∙ thσ inde° iε ì indexeΣá HEL╨á file≤ anΣ ma∙ als∩ bσ groupeΣ b∙ line≤á beginninτ ì witΦ Forφ FeeΣ (^L⌐ characters« Groupinτ i≤ aε effectivσ wa∙ t∩ ì logicall∙á organizσá informatioε s∩ tha⌠ meaninτ wil∞á bσá morσ ì clea≥ t∩ thσ use≥ anΣ unit≤ oµ informatioε wil∞ no⌠ pas≤á betweeε ì screeε displays. Thσá informatioεá displayeΣá t∩ thσ use≥ i≤á organizeΣá int∩ ì logica∞á unit≤á calleΣ Informatioε Section≤ anΣá screeεá display≤ ì (onσá screeε ful∞ oµ text⌐ calleΣ Frames«á Usinτ tex⌠á editors¼ ì thσá use≥á caεá creatσá hi≤á owεá HEL╨á file≤á anΣá organizσá hi≤ ì informatioε a≤ hσ desire≤ fo≥ displa∙ t∩ thσ HEL╨ user. Non-Indexed HELP Files Non-indexeΣá HEL╨á file≤ arσ simplσ ASCI╔ file≤ whicΦá star⌠ ì witΦá ß coloε (:⌐ a≤ thσ firs⌠ characte≥ oµ thσ filσ anΣá consis⌠ ì oµ ASCI╔ tex⌠ (witΦ eacΦ linσ terminateΣ b∙ ß carriagσ returε anΣ ì linσ feeΣ characte≥ combination)«á Thσ informatioε iε sucΦá ß ì hel≡á filσ consist≤ oµ al∞ tex⌠ afte≥ thσ leadinτ coloε u≡á t∩ ì eithe≥á thσá terminatinτ end-of-filσ marδ (control-Z⌐ o≥ ßá ne≈ ì linσ whicΦ start≤ witΦ ß colon. Indexed HELP Files IndexeΣá HEL╨á file≤ arσ simplσ ASCI╔ file≤ whicΦá d∩á no⌠ ì star⌠á witΦá ß coloε (:⌐ a≤ thσ firs⌠ characte≥ oµá thσá file« ì Thi≤á typσ oµ HEL╨ filσ consist≤ oµ onσ o≥ morσ norma∞á ASCI╔ ì tex⌠á line≤á a≤á thσá firs⌠á line≤á oµá thσá filσá followeΣá b∙ ì informatioεá section≤á whicΦá begiεá witΦá ßá linσá whosσá firs⌠ ì characte≥ i≤ ß coloε anΣ enΣ witΦ eithe≥ thσ firs⌠ linσá oµ ì thσ nex⌠ informatioε sectioε o≥ thσ enΣ oµ thσ file. Tree Structures within Indexed HELP Files A≤á mentioneΣ above¼á thσ IndexeΣ HEL╨ Filσ i≤ divideΣá int∩ ì Informatioε Sections¼ wherσ eacΦ Informatioε Sectioε start≤ witΦ ì ß coloε (:)« Therσ arσ tw∩ basiπ type≤ oµ Informatioε Section: 1«á Informatioε Section≤ containinτ textua∞ material╗ ì thi≤ typσ oµ Informatioε Sectioε simpl∙ contain≤ readinτ materia∞ ì whicΦá i≤á organizeΣ int∩ Frames¼á wherσ ß Framσ i≤ equa∞ t∩á onσ ì screeε display. 2«á Informatioεá Section≤ whicΦ referencσ othe≥á HEL╨ ì files╗á thi≤á typσ oµ Informatioε Sectioε begin≤ witΦ tw∩á colon≤ ì (::⌐á insteaΣá oµá onσ a≤ iε (1⌐ above╗á thσá tw∩á colon≤á arσ ì immediatel∙ followeΣ b∙ thσ namσ oµ thσ HEL╨ filσ (thσ HEL╨á filσ ì typσ ma∙ bσ optionall∙ specified). T∩ illustrate¼á thσ followinτ outline≤ thσ structurσ oµ thσ ì tw∩ type≤ oµ Informatioε Sections: :Title for Type 1 Information Section <text> : [next Information Section] Figure: A Text (Type 1) Information Section ::HLPFILE <-- for HLPFILE.HLP : [next Information Section] ::HLPFILE.TYP <-- for HLPFILE.TYP : [next Information Section] Figure: Examples of Node (Type 2) Information Sections :HELP: The Tree Structure of HELP -- Basic HELP File -- |Info Sect 1 |Info Sect 2 |Info Sect 3 |Info Sect 4 | | Text | HELP File | Text | HELP File | / \ / \ -- SubHelp File 1 -- -- SubHelp File 2 -- |Info Sect 1 |Info Sect 2 | |Info Sect 1 |Info Sect2| | Text | HELP File | | Text | Text | / \ -- SubSubHelp File 1 -- |Info Sect 1 |Info Sect 2 |Info Sect 3 | | Text | HELP File | HELP File | / \ / \ -- Sub3Help File 1 -- -- Sub3Help File 2 -- |Info Sect | |Info Sect 1 |Info Sect 2| | Text | | Text | HELP File | / \ -- Sub4Help File -- |Info Sect 1 |Info Sect 2| | Text | Text | Figure: Sample HELP File Structure Thσáá abovσá diagraφá i≤á mean⌠á t∩á illustratσá ho≈áá treσ ì structure≤á caε bσ implementeΣ unde≥ Version≤ 1.┤ anΣ beyonΣá oµ ì HELP«á A≤á thσ use≥ caε see¼á ß ne≈ nodσ oµ thσ treσ i≤ createΣ ì wheneve≥á ß HEL╨ filσ i≤ referenceΣ b∙ aεá Informatioεá Sectioε ì (a≤á opposeΣ t∩ simpl∙ havinτ tex⌠ iε thσ Informatioεá Section)« ì EacΦá nodσ become≤ thσ basσ oµ ß ne≈ tree¼á whicΦ itselµá ma∙ ì contaiε reference≤ t∩ othe≥ HEL╨ files. Froφ thσ previou≤ diagraφ (fee∞ freσ t∩ refe≥ bacδ t∩ it)¼ ì SubHel≡ Leve∞ │ contain≤ tw∩ HEL╨ files«á Thesσ caε bσ entereΣ ì froφá Informatioε Sectioε ▓ anΣ Informatioε Sectioε │ oµ SubHel≡ ì Leve∞á 2«á B∙á simpl∙ enterinτ onσ oµá thesσá tw∩á Informatioε ì Sections¼á thσá appropriatσ HEL╨ filσ i≤ loadeΣ anΣ thσ use≥ i≤ ì placeΣ a⌠ thσ nex⌠ level« Froφ thesσ HEL╨ files¼ thσ use≥ ma∙ ì movσá withiεá thσ HEL╨ filσ itselµ o≥ movσ u≡á t∩á thσá previou≤ ì leve∞á (naturally¼á thσá use≥á alway≤ ha≤ thσ optioε t∩á exi⌠á t∩ ì CP/M). :HELP: Sample HELP Files Illustrating Use of Tree Structure Thσá followinτá Frame≤á sho≈ thσ sourcσá t∩á threσá HEL╨ ì Files¼á nameΣ DEMO.HLP¼á DEMO2.HLP¼á anΣ DEMO3.HLP« DEMO.HL╨ i≤ ì provide≤á thσá Roo⌠ Nodσ t∩ ß treσ whicΦ include≤á DEMO2.HL╨á anΣ ì DEMO3.HL╨ a≤ subnodes«á Additionally¼á DEMO3.HL╨ ha≤ ßá subnodσ ì whicΦáá reference≤á DEMO.HLP¼áá s∩á wσá havσá ßá recursivσá treσ ì structure. DEMO.HLP TEST 1 - OK <-- Menu TEST 2 - SIMPLE NEST TEST 3 - INVOLVED NEST TEST 4 - OK :TEST 1 <-- First Info Section (Text) THIS IS TEST 1 ::DEMO2 <-- 2nd Info Section (Node) ::DEMO3 <-- 3rd Info Section (Node) :TEST 4 <-- 4th Info Section (Text) TO BE, OR NOT TO BE, THAT IS THE QUESTION! ... TO TAKE ARMS AGAINST A SEA OF TROUBLES AND BY OPPOSING END THEM. TO DIE, TO SLEEP ... TO SLEEP, PERCHANCE TO DREAM. AYE, THERE'S THE RUB! FOR IN THAT SLEEP, WHAT DREAMS MAY COME! DEMO2.HLP :TEST 2 <-- No Menu -- 1 Info Section THIS IS TEST 2 DEMO3.HLP TEST 3A <-- Menu TEST 3B TEST 3C :TEST 3A <-- First Info Section (Text) THIS IS TEST 3A the rain in Spain falls mainly in the plain :TEST 3B <-- 2nd Info Section (Text) THIS IS TEST 3B ::demo <-- 3rd Info Section (Node)