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(2) a. MDBS. FL/I Inter7aee Notes. —. O'JTLI!'"£. ?age 2. I. 6. "L. 8. Introductior. Reloeating. MD6S-IJDL. :II. Generating. a. É3. IV. MEJES. DD!-. i E". V. I'nteri"acing PL/I. i7. 'E. I. ;-.inking. i8. V". II. Miscel. I. núw. Rtüocatcm. Patching. ?L/'I Éanec.us:. F'rograsís. with. ICIBS. »'jtñ=g. +. %:. CO7TF,'íG!-íT. :-GX3(),. !4it: rc> 2ata. Base Systems,. inc. .. 2.
(3) ? .\. MDBS. · I. ~F. · I. .. ?L/I Interface. --. !·Y'T:. —. ':OZ}ÜCTl. Th e m"acP:. !r23. ON. 3S. .. 3DL. a'n d. ir,e--cíependent. SPr=CiTiCS. [. O. 2. íN'ii"TF:. ,. .:3 .. l. Z.he. .. files. Y.. !JDL. RLC.COM. A -- Añ. 2LC.. —. IF!F. 2DL. I E7. í3 .. are. on. written. was. CP/M. on. tO. systems. in. a. non---. di-SCusr,S. the. with Di gi"tal. diskette(s"):. ?'$aDBS. the. lute version of dat: ::í. e. ab=·olute. MDBS. DDL. description. I. ri. at lOó. oading. hex. le. relocator (hex. fomnat). (hex. relocatable. A. --. l. of the nianua! is. pac'iages. relocatable. 4. Manua. s. purpose. M2BS. sam'pl. A. —. ". User. productm. ab=o. Ari. —. s. The. runni ng. COM. ÚDL.. .. m:. +. manne'ru. !"o21owing :. µeíDBS. F'L,/I or re lat.ed. R£zsea.r'cb. The. .í""Qtes. rejoctator. format). version of the. MDBS..IJÍJL. system SA.M?LD3L.. í3 .. 7. .. 2. .. 2MS.REL. "-. SAKÍPLZ.. ?LI. K!C2S.DDL ZcÁtito: 2!.ticÍ. p c" '. i. "i": Z S. o'jtiine. ycm. are. o. Lice. j e '3 i.. MF·2SÁ!JMS 'i'. DMS. of". the. f7. i. able versI3n b. le F'L/I !. Def"ini":. It. change the. I/'O. f'or. !3DL. SA!'4F'LE.. twh. M2'3S.ER4S. ion. DIJL. DDL. !yzer·,/. Ana. loads. 2"P,/M. load adáre"'s.. supplied with the. I. systeni. Language. uses standard. PL. £AI'4PÍ~DE'L.. with. 'ase. System.. Ééanagement. 340OH.. r'eíocat.or. the. oÍ". proq"r>tm. i-zed Data. nate!y t.cj. Tor use wi. !e. I /' C). en. Se-ct.icms. MDZS. lOCi!"!. at. II. system.. try a-ñgí4. Ir. timtries or requi: '"e other pa.tc"himg, re fer. for pacen: .ng procedures.. prQdaced. system '. e DDL. ycnir Data. is "uipplic"d. fú les. c'¿'F"'uuc7!':. Sarr.p. nonstandard. IV. ¡r:2'2S.D:Y:S. Ci E'. .. you need. using. ::eí:'t-1Qñ. -. a. if. .. relcoat:. A. to aoprcc<i:. c: 4t.0:'n¿s. II! t':. híDFS. ]. Samp. —. is your persona. an d. "". DL?L. in by. a ti'"ze. relocatable !"L,/I. is ap:3roxi:l7ate¡.y. 1980,. Mi :"ro. DA.ta. The. ccm?iler.. 44C'C. compatible. format. (hex). base Systems. bytes ,. In. c. O. prcg:. ^am. !otz&.. wi. th. are-a For. the t"he. Additienal.Iy, 3. Y.
(4) Y .. LA3Z3. ?L,'"I. —. is. me'rtcn"'y. y.. ¿o. l":. required. i t. This. systerr: . tna. Iu,terface. amount. eonstraints. t.!ie. p=sse.d. t.:. j. Eec":. I r: .. jy4FjEG.2t·t!S;". witb.. a. MDBS. Ytjü can run. your. Seetic·t". III.E o t h e t [j quickly. m" '. t i. ^.l. gí.:r"e. f3tnzr:. samp. ;tz. (á. aval Iab¡. the. K!1FS.. 1. Vil. th. describes. Increased. je':. t. memory. OMS. t. procedu_r"e. e. Digital. !^T3iíl. rout"ineg. I. c). ink. the:. the. F'L./I. program.. provide. we. =ub. systera. greater system throughput.. to cal! the. oornpi led PL,/I. OMS. environment.. µrodue>. how. I. to. e. to. pí"o¿"ram. general. some. for'. notes. At the. DDL. end. Step. o?. !«ííjEG. see. 2. fol lowing. you are. user. some. by. ". s. in the. manija. i. í'. the. procedure. given. in. DIJL. program.. Refez". tCj. DEL. the. or. action, cQñti-nue with. t: he. c ommands. procedure. .. in. .. s. —. f"r'cm. V. t". ,. cal. version of. :. l4c\.3,'í±'·.3't±r. Lhe. package.. 7'igure. .. !. show. 'we. in Secticm. the. c't". wi. ling F'L/I. allocated in. operating. the. Section. sy"tem. 7"ina!iy, user. memory. system. VI. ion. FL/I.. n. ?e'3ea?"c":. cit" c$i". M"J2S. 'tht=. i.s. space. csed by the. various tables and buf"fers. the. o. memory. t-he. '-mize. ctes. :?--á'. t ne. Ti. rec,u!t in t:he reading l. e. I NVNTRY. description.. Cú?'"i"F?ICZT. 192Á),. -. .. Step. !dicro. IJDL 8. !Ja.t:. .. o!". Step. a E3. sample. data. results. in the. re'¿urr: s ccntr'o!. '[o the. á. Ine.. Base Syst.erús,. base. desseriotio"n ^. listing. operatiru;. of'. the. sy3tem.. 4.
(5) :'t ¥. 9áZ'2S. —. FL/ I. Interface. : \,rote"$. Figure DDL. Sample. .. 2.. you. DDL. Commuter d-. NTU3S.. t; 5 a 7 8. Re g. #'. name". k. .. Computer. FILENA\!r. .. y': ' U. INVN'TRY. .. y. L. .. Ccmputer. l. you. 13YE. .. .. Computer. A>. ret. urn. X.. X. 1979,. Micro. Data 3ase Systems,. Incor"porat'"ed. XXXXX. y oí:. C' u. VER. COPYRIGHT. .. C3. (. DL?L. (C). your 3. execution. ?RC)CZDÜR£/RESULT'S. sTi2!?. i. 1. .. isting. and "Adress. DDL. ni". sarzpie. data. descr-iption. to j4{^r)itc)r"). -. ¿i;. C3?'ZZIGHT. 1980,. l'dicro. Irie.. Data Base System's,. P. "5.
(6) V. ?4ti£X3. :. !. .. :"Z.i" '". -'. """' ': "o. ¿)Ce'd':. l ·'>n--". seqcún'n:. e. Te :c¥2'Fít.o7" ~ \/T. -. execut: CG)/'¥Í. 'M"íis s. exe2ut_ab: E>. "tn. z.bi e. r"e!ocat<n". loads. a'¿. lines. '3 !". i. 3L7L. MQ3S.. RLC.. t .¿": " .. 8'otes. and prm:iuce. an. "'2·7"'mir!g. ]:'u-":". :NG. mAocabe. >r'3\TiAFc: i'·-. >Mer5ace. s.eq 'aení: e. needeci. at. and. CUO"H.. in. shown. an. you. addreás. 2 may. 3. MTiZ3. r. ZJZIL. merely. us e. i t:. at. your. want. t. other than. o. CACU)H. form. the. gí. the. entcm. termina!. sav e the. ha-v-e. we. .. relocMíabie. a. To. Figure. of' '-'tepí:. form. Af. .. file. .. ter. Ir. a. refer to SectiQñ. .. «. CC'. CTO?'7T<íG7lT. 1£H3C'. ,. hficro. !3at-a. Base Systems. ,. Irte. .. t3.
(7) ,. b!DFjS. '?L,/I. —. In"erf"a.ce. Eotes. Figure ?roduc ing St. 3 4 5. Exemutab le. "e'. 1. 2. ar,. 2 Form. CT. Frcjcedure. É>rjrárñe RLC. .. you. RLC. .. Computrer. I19PUT. .. you. MD-ES. .. Cou'tpüter. LOAD. ADDRESS. .. you. yyyy. (,ZZZ.Z). .. C'rmputer'. t.. E3. .. ('z'"eturn to. Monitor). M'3IJS. DDL. !JDL. ML'BS. t.. tt. a:. n executable. L'!'J .. {-. 2DOO. >. ExL]!a.'nation: W This. sequenee. starting. :netncu"y T'n e ". t t.. ,zzzz " 'i: Z.. e»:. is The. .. }'2'C3*.Ei·¿'í: ]s>. Fol. The. location yyyyl'!. memary. t".í¿;}"¿. should. us er. in oonfl.. and. progra:. (as. vi. in Sections executable. CL")F""i"SúGHT. 1S23tj. ,. acidress. memory. insui"'"e. ict with. Kwing this procedure,. r'esu!tiT.,£:. á^. st:eps produces. at. ase not. 3c'dtab|e. manual. of". IV. the. of. +. z::zzH and. Lhé. routine. that the relocator'. user. V. of". MDES. Qt. ORGed 1. s. .. at:. LJDL. yyyyi-!.. inatca 'te'^:. anal. the. in tj y n. pr-c!,gr'a.:. another.. one. want. may. this. to. make. II.C.3. outlined in Section 'and. f"or"rn. manua. l ). an. to. patches. of". the. d,. then. idIjES. t he. "8ser"s. save. the. prc3gTam.. ?í'íicro Data 3ase Systems,. } ne. .. 7. E.
(8) T .. MDBS. :I. --'. ?L/I Interface Notes ZRATING. ,1. proci'ace. a. GZ?·:. g .. To. reXcator. of steps. sequence. i?ZÁ'3CÁTCR. HEW. at an addres"s other. ?rociucing. Examp. RLC. RLC. .. you. 2. .. Ccunt'>uter. I NPUT. 3.. y3U.. RLC.. 4. .. Gomµuter. LOAD. .. you. yyyy. .. 2omp·uter. .. (2eturn. Relc>eator". Prmiedure. :. IF!F. RLC.. i e. IHF. AFD!U'"S ':. ,ZZZZ). (3COO. tttt. Monitor). to. Í"o! low the. 3. Executable. an. 3te;>. E. Q1OOH. in Figure 3.. shown. Figure. F3. than. >. Ek:p:2naEiQn:. 7!::is me r.c. t" y'. sequence. starting. {the "zzzzú." á.Tj. have a'i. 11. 3. te. The. t?. me7.7c;r'y. cont"!. may. then. =gYT¶Igµ: T 1é3í),. E-xeouting. at. O1CKJH. ic': between. at yyyyH. +. want. Micro. an. location. memory. em=cution. Fdja3ed. user. at. is cptiona!).. subseauent. d. of "·teps produees. executable yyy'yH RLC.COÍ'4. and the. RLC.CCJM. +. 7ot-í2. zzz: zh' and. results. user' must. and the newly. RLC. or. in be. ORGed. .. I :iu". ijn .·. at yyyy9i. i ts. i. óaciing. careful not to. Íorme-d. =C. which. zzz-zH.. to save this program. Data Base Systems,. inc.. 8.
(9) "7 ' _. Mi32ilS. 7Ll' I Ín'¿ert"ace. --. .7'\'.. :. í!:.3F.. z4_=<". Nze. átciz. t:o. consists of. ite:. CQ7"^'m_" :?1. '2'. ':'. ":. 3. i. ts. area. immediately. Fi.='ure Ai. i. ions,. decreased. throUg7¿. 3l. .. e. 4. out. maps áddí"é<·s. !. that the user should. addresses. t. .. these. areas.. patches. should. lower. he. bits. 8. oÍ". A. be. be. brief" des<"ripticn made. the addre=.s. w. ':> f". aware. i t.h. no rma. precede. the. :1.. r. oí". each. 1. G:OC3Cí. nigher". n"'ti3i Entry ?oint. EÁ"3S. Tú.. physically. is. Jump. is. (2ef"au!t. ',Üírm. This. &ciciress. 2"J':. ls.. variab!e3. re—initialized.. regí ems. an d. Re¿;ister"s. are. are not. is preserved.. o. the. I. disk. managememt. an. cl. periµher"al. rout"ines.. C7,/!v!. F'C?. program. hex). C)OOE3. address. t ti e. i. logiea!iy. or. entering stack. bat: the. ;jrc)c[essing. '}:. or". µr'ogram area.. ':. :3:,3L'jed. {d). f"o! lows the. increased. These. region.. a-r"ea. .. either". (C}. be. can. 'lprz entry at this ?oint, ai. '.13)'. region and work. program. systetn.. !"Oi!OWS.. :i. wc)!" k. 'are severa!. :r"m : jzj.. a. work area. t:'he. the. c) !". the. There t':. ?ATCH!NG. 2i¿?u'jus and. e. TP'. z: *. r'F'L. Ior.':. are. 3DL. U"otes. Entry. (Defbmjt. Juínp. is the. warm. Location {Default. 005C. 0000. he:. x). entry point to. CP/M.. hex). 'joints to the File Control Block area.. ¿: ?:P"':HIG:2T. 1980. ,. tCi. ero Data Base Systetn·z. ,. Inc. .. 9.
(10) C k. HJDBS-—. (e). (t). BUFF. Location (Default 0020 hex). This. points to. Reserved This. it (g). not. byte. ror i: nternal use by the MDBS..DDL-rout"ínes.. 01. the. to. will. hex). output If". place.. take. If. device.. it. have. to. wants. byte. the. is the value one,. MDES.JIDIÁ. value.is zero,. no. echo"i.ng. will. performed.. Last. Word. The. a<idress. stored. MDBS.DDL. memory. starting. f"ie!d.. Needless. word. memory. of". may. program from. byte. its. Note. use. load. that. address. i"·. physically. have. one. beyond 0!3. the. up. make. Jess than. that. in thi-s the. last. values: Byte. or equal. Micro. to the value sure. all. uses. hex). of the fo!lowi"ng. to 64. greater than or equal to 1930,. MIJ3S.DDL. of the program.. end. Width. characters. COPYRIGHT. hex). to say, the user should. should. Screen. OEIFF7. gives the last available word of memory. here. Control Byte (Default. Screen This. (Default. Memory. of. that the. ©. area.. is checked to see if" the user. input. echoing. (i). buMer. altered.. be. (Default. Echo Toggle. be. byte. 128. is reserved. should. echo. a. ----. Regions. area. This. (h). Notes. PL/I Interí7ace. (30. Data 3ase Systems,. I.nc.. Válue. li. (OB. hex). 15. (OP. hex). i. .LO.
(11) 'Y '" " V. MDBS. —. PL/I Interf"ace Notes characters 64. to 80 characters per line (call it N). (i). Re—entry The. user. greatest integer less than or equal to: N/'5. —1. Point may. re—enter. MDBS-. DDL. variables and regions by icsuing. a. whi le. preserving. a I l. jump. to this address.. program. .. ©. COPYRIGHT. 1.980, Míero. Data Base Systems,. Inc.. -LI. W.
(12) XDEIS. —. .. PL/I Interface Notes. Figure md2s.ddl. Default Value. Description. 0100 (hex). Initial Entry Point. 0109 (hex) O1OB. (hex). 13DOS. Jump. CP/h4. Warm. l. FCB. OOCl5. 0000 (hex). Entry. Location. BUFF. (hex). 005C. (hex). 0080 (hex). Location. O1OD-Oi26. Reserved. —-. 0127 (hex). Echo Toggle. 01. (hex). BFFF. (hex). 012A. ©. addresses. Address. 0104 (hex) L107 (hex). 4. (hex). Last. \'iord of. Oi2C (hex). Screen. 0139 (hex). Re-Entry. COPYRIGHT. 1980,. Miero. Memory. Control. Byte. 11. Point. Data Base Systems,. (hex). ——. Inc.. 12..
(13) .. MDBS. V.. —. PL/I interface. INTERFACING. Notes. PL/I. .. Data Types. A.. The. data. f"o!lowing. types. and. correspondence. the data types. PL/I. or. exi-sts. Binary i-7. BIN. 1. Fixed. Binary. BIN. 2. BIN. i. Bit 9-16. !3IbY. 2. Char(n). CHAR. i—8. Fixed. Decimal. IDEC. n. Floating Point Binary. REAL. ?cÁnter,Entry,Label. not. The. MOBS. supported. LOGical under. addit"i.onal. data. data. has. type. the. PL/I. type. (Internal. represent fixed decimal. INT. also. used. pLl1. ir n. be. VARYING. by. is. used. eme.. n. used no. in PL/I and i: s nut. correspondence oí". the. MDBS.DMS. An. system.. Decimal,. or IDEC) has been def"íned. The item. size "n". to the greeision "p" of the item,. eooresponds. may. Note: increment. n. version. fields.. Research. Comments. Fixed. Bit. Digital. K!DBS.DMS:. MDBS. B—15. between. on. which. an. may. IDEC. vary. to. ent'ry. f"rom. 1. to. 15. i3.. Command. The. MDBS. f"ormat. a. ©. Strings User's Manual shows eal!a to the various. OMS. functions. i"n. simi.lar to that used with North Star BASIC. "The conventions. COPYRIGHT. 1980,. Micro. Data Base Systems,. Inc.. 13. T W·.
(14) F'L/I. MDBS. —. used. f"or. InteMace Notes. PL/I are similar,. obviates the need Thus,. section.. blocks,. data. ílcm. commands. specif"ied in sueh. as. ?L/I. permfts. types. in the data base.. described. as. CRS,. of. definition. in. the. a. data. string need not have. command. the. that. to record. correspond. which. structures. except. This.. fbllowing block. name. etc.. FMSK,. Data Communication. C.. languages, MD!3S. to. MOBS. the. it. f\acilitate. data. block. data. might. facilities. are. scheme. representation the. from. not. host. needed.. MDBS.DMS. or data.. to be used f"or transfer. overhead. the. ?L/I has record ciriented. is used in calls to. parameter. between. communication. Since. in. other. to pass. structures,. a. use. of". pointer to the record a. call to. more. natural. eliminates. and. program a. the. additional. an. results in. PL/I. Thus,. data. in. and. language. Instead,. This. the. system.. MDBS.DMS. and. to include "data block" capabilities. necessary. was. system.. area. oriented data structures of BASIC. to the non—record. Due. the. CRS. some. routine. like:. look. er"r=DMSD('CRS,RECORD',struct); where type. is. err CHAR. VARYING. corresponds. to. procedurem. that. point. OMS. Fixed. a. of". the. and the do. Binary (15) variable, struet. data. not. expect. is. record data. poi.nter. a. "RECORD". can. be. the. to. first a. in. the. invoked. vi-a. argument. structure data a. base.. call to. is of whi.ch DMS. entry. f"orm:. err=DMS('FNM,SET');. ©. COPYRIGHT. 1980,. ldiero. Data Base Systems,. Inc.. 14. '.
(15) -. MD3S. E.. F'L/I. —. The The. Interface íjotes. SETPBF. Routine. SET?3F. entry. into. to easily allocate. prQgrammer SETF'BF. point. must. be. alloeated for use by program's. dynamic. storage. store tables and buf"f"ers. allocating. MUST. MOT. DMS. command.. in. ALTERED. t-he. Eystem. Memory. by. is. calling. the. is used by. a-rea BE. at-lows. MDBS.DMS. storage. This. area. and. other. any. by. MDEIS.DMS. system. for use by the. memory. bef1>re. called. !V!DBS.DMS'. the. MD3S.DMS. to. user's. the. t'. Since. program.. by. MDEIS. the. allocated).. system Since. system. can. impl-ies. more. the. much. memory as. or the could. (we. dynamic. memory. of. amount. disk bufTem te. uses. dynamic be. easy. of". the. for. a. 4000. to. and. the. scheme,. for bytes. accesses),. be. memory SETPEIF". to allocate. calls. u=e. IQDEIS.DMS. (more. system. µrogrammer. dec!aratic>n. The. aíloeated. available. throughput. it. buf"i"ering. least. at:. implies Kewer disk. which. For use.. that. memory. the. make. a. possible. recommend. affect. radically. been implemented. has. system. important that as. i: s. it. the. MJJBS.DMS. Tor. all. SETPBF. be:. (ytr,tixed(15));. del. SET?13F. entry. dcl. MAXWDS. returns(f"ixed(15));. de!. ALLWDS. entry(í"ixed(15)). dcl. WDS. r'eturns. (ptr');. fixed(15);. V 0 *. WDS=!vÍAXWDS()/2; CALL. ©. */Ai!ocate. ha!f7. SET?BF(ALLWDS(WDS),WDS*2);. COPYRIGHT. 1980,. Miicr"o. of available space for D!dS/* */Seeond. Data Base Systems,. paremeter. Inc.. is. a. byte. ceyant/*. -j='. &.
(16) PL/I Interface Notes. MD13S'—. F.. The The. OFEN. Command. data. block containing four parameters. name,. a. password. following. and. record. —. a. read/write status.. a. must. be. OPEN. that the. User's Manual ind"ieates. MDBS. requ±res. command. data. base. For. Lise. file. name,. with. a. a user. PL/I,. the. defined in the declaration of the the F'L/I. program: del. 1. openblk,. 2. dbname. 2. user. 2. password. 2. rwstat char(4). char(16) char(12). length of the data items must. The. of course. are. char(14). f"or the. user. OPEN. block. would. be:. application name. dependÉ'nt.. and password. such as. we. have. are. be. In. exactly as"shown; applications,. mos-t. input with. GET. statements.. the the. values values With. an. described, the call to open the data base. err=DMS('O?EN',openb1k). .. .. ©. COPYRIGHT. 198Cl,. Micro. Data Base Systems,. Inc.. 1-6.
(17) e. ?L,/I. MD2S. —. VI.. LINKING The. THE. MDBS.DMS. the. and your. program. DMS. as. may. LINK—80. system. use. O?. be. the. AND. !. CO?YRIGHT. 1980,. inked. Al. !. options may. take. LINK-BI). with your eompijed. that is, necessary ( " PGM ". program). LINK. ©. MDBS.DMS. be.l ow. shown. compiled. your. MDEIS. DMS. and the. PROGRAM. linker.. LINK—80. Digi.tal Research the. PL/I system. by using. containing. Notes. Interf%,ce. may. the. Note. .. load. program. is to load the name. o. r. the. DMS. f i.l e. that any of the standard The. be used.. several [A]. is. source. minutes. due. process. cif. to the size. !. ink ing. of". tht=. option.. ?g!\á,Dy¿s[A?. !4i.cro Data Base Systems,. Inc.. í7. ..
(18) '. E. S :. W. b. MDBS. PL/I Interface Notes. —. S. VII. 1.. GENERAL. and. the. EXTEND. commands. a"re. and. system. in the PL/I version. needed. is. toward. oriented (whieh. structures. the. correspond. to. records).. DDL. Analyzer,. drive. by. speeií"ying. a. new an. data. base can. be. initialized appropriately qualified file name. on on. any the. specification.. In the. DMS. OPEN. command. a. specification.. name. starting DDL. =e. usíng'arrays.. not. data. Manual). User"s. the. PL/I. since. and use of' record. In the. file. F'L/I. f"rom. MDBS.DMS. base. FILES. of". báDBS.DMS. def"inition data. IL.D.5. returned to. DEFINE. The. of. 3.. (see Section. Replicated items given. 2.. NOTES. drive The. may. be. included in the. data. base.. drive specified is assumed to. drive tor the data base (corresponding. to Drive. 1. be. in. the the. specifications).. DRIVE. ,. 4.. 5.. In. both. f"or. a. the. file,. Filenames. DDL. the. Analyzer. !ogon. in the. DDL. and the. DMS,. when. no. drive is spee-ified. drive is the default. Analyzer. are. deMulted to. NAME.TXT.. .. ©. COPYRIGHT. 1980,. Micro. Data Base Systems,. Inc.. 18.
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