Programmer 7500

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Text File | 1987-01-11 | 11.4 KB | 360 lines

Invoking BASIC-E BASIC-E Statements BASIC-E Functions Differences between BASIC-E and CBASIC BASIC-E Error Messages CBASIC: Compiler Error Messages CBASIC: Run-Time Error Messages -- Warnings CBASIC: Run-Time Error Messages -- Error Codes :Invoking BASIC-E BASIC-E is invoked by typing the following -- EBASIC filename $o wherσá 'filenameº i≤ thσ namσ oµ thσ sourcσ filσ 'filename.BASº t∩á bσ ì compiled and 'o' is one or more of the following options -- A List Productions (for compiler debugging); normally OFF B List only source statements with errors; normally OFF C Check syntax only; don't create .INT file; normally OFF D Convert lowercase to uppercase; normally ON E Generate line number code; normally OFF After compilation, the program may then be executed by -- ERUN filename where 'filename' is the name of the intermediate code file 'filename.INT'. :BASIC-E Statements The following statements are valid in BASIC-E -- FOR NEXT FILE GOTO LET CLOSE GOSUB INPUT ON PRINT READ RESTORE RETURN OUT RANDOMIZE STOP DATA DEF DIM END IF REM ELSE THEN :BASIC-E Functions The following built-in functions are valid in BASIC-E -- ABS ASC ATN CHR$ COS COSH FRE INP INT LEFT$ LEN LOG MID$ POS RIGHT$ RND SGN SIN SINH STR$ SQR TAB TAN VAL EXP :Differences between BASIC-E and CBASIC Thσá followinτá feature≤ arσ no⌠ availablσ iε BASIC-E¼á bu⌠á the∙á arσ ì available in CBASIC -- 1. PEEK or POKE 2. PRINT USINGè 3. CALL to machine code programs 4. LPRINT :BASIC-E Error Messages Sincσá BASIC-┼ i≤ ß "subsetó oµ CBASIC¼á refe≥ t∩ thσ CBASI├ hel≡ filσ ì for information on the BASIC-E error messages. Most¼á bu⌠á no⌠ all¼á BASIC-┼ erro≥ message≤ arσ covereΣ iε thi≤á hel≡ ì file. :CBASIC: Compiler Error Messages Text Messages NO SOURCE FILE: <FILENAME>.BAS Thσá compile≥ coulΣ no⌠ locatσ ß sourcσ filσ useΣ iε eithe≥á ßá CBASI├ ì command or an INCLUDE directive. PROGRAM CONTAINS n UNMATCHED FOR STATEMENT(S) There are n FOR statements for which a NEXT could not be found. PROGRAM CONTAINS n UNMATCHED WHILE STATEMENT(S) There are n WHILE statements for which a WEND could not be found. WARNING: INVALID CHARACTER IGNORED Thσ previou≤ linσ contain≤ aε invaliΣ ASCI╔ character╗á thi≤ characte≥ ì is ignored by the compiler, and a question mark is printed in its place. 2-Letter Error Codes CE -- Close Error The intermediate (.INT) file could not be closed. DE -- Disk Error A disk error occurred while trying to read the .BAS file. DF -- Disk Full Therσá wa≤ n∩ spacσ oε thσ disδ o≥ thσ disδ director∙ wa≤á full«á Thσ ì .INT file was not created. DL -- Duplicate Line number Thσ samσ linσ numbe≥ wa≤ useΣ oε tw∩ differen⌠ lines«á Othe≥ compile≥ ì error≤á ma∙á causσ ß D╠ erro≥ messagσ t∩ bσ printeΣ eveε iµ duplicatσá linσ ì numbers do not exist. DP -- Defined Previously A variable in a DIM statement was previously defined. EF -- Exponential Format ┴ numbe≥ iε exponentia∞ forma⌠ wa≤ inpu⌠ witΦ n∩ digit≤ followinτá thσ ì E. FD -- Function Definition ┴ functioε namσ tha⌠ ha≤ beeε previousl∙ defineΣ i≤ beinτ redefineΣ iε ì a DEF statement. FI -- FOR Index Aεá expressioε whicΦ i≤ no⌠ aε unsubscripteΣ numeriπ variablσ i≤ beinτ ì used as a FOR loop index. FN -- Function parameter Number A function reference contains an incorrect number of parameters. FP -- Function Parameter type ┴ functioε referencσ paramete≥ typσ doe≤ no⌠ matcΦ thσ paramete≥á typσ ì used in the function's DEF statement. FU -- Function Undefined A function has been referenced before it has been defined. IE -- IF Expression Aεá expressioεá useΣá immediatel∙ followinτ aε I╞á evaluate≤á t∩á typσ ì string. Only type numeric is permitted. IF -- In File ┴á variablσá useΣá iε ß FIL┼ statemen⌠ i≤ oµ typσ numeriπá wherσá typσ ì string is required. IP -- Input Prompt An input prompt string is not surrounded by quotes. IS -- Invalid Subscript A subscripted variable was referenced before it was dimensioned. IU -- Invalid Use A variable defined as an array is used with no subscripts. MF -- Mixed Format An expression evaluates to type string when type numeric is required. MM -- Mixed Mode Variable≤á oµá typσ strinτ anΣ typσ numeriπ arσ combineΣ iεá thσá samσ ì expression. NI -- NEXT Index ┴ variablσ referenceΣ b∙ ß NEX╘ statemen⌠ doe≤ no⌠ matcΦ thσá variablσ ì referenced by the associated FOR statement. NU -- NEXT Unexpected A NEXT statement occurs without an associated FOR statement. OO -- ON Overflow More than 25 ON statements were used in the program. SE -- Syntax Error The source line contains a syntax error. SN -- Subscript Number A subscripted variable contains an incorrect number of subscripts. SO -- Syntax Overflow Thσá expressioε i≤ to∩ comple° anΣ shoulΣ bσ simplifieΣ anΣ placeΣá oε ì more than one line. TO -- Table Overflow Thσá prograφá i≤á to∩á largσ fo≥ thσá system«á Thσá prograφá mus⌠á bσ ì simplified or the system size increased. UL -- Undefined Line number A line number that does not exist has been referenced. US -- Undefined String A string has been terminated by a carriage return rather than quotes. VO -- Variable Overflow Variable names are too long for one statement. This should not occur. WE -- WHILE Error The expression immediately following a WHILE statement is not numeric. WU -- WHILE Undefined A WEND statement occurs without an associated WHILE statement. :CBASIC: Run-Time Error Messages -- Warnings Tw∩ textua∞ run-timσ erro≥ message≤ arσ presenteΣ b∙ CRUN: NO INTERMEDIATE FILE ┴á filσ namσ wa≤ no⌠ specifieΣ witΦ thσ CRU╬ command¼á o≥ n∩á filσá oµ ì typσ .IN╘ anΣ thσ specifieΣ filσ namσ wa≤ founΣ oε disk. IMPROPER INPUT - REENTER Thi≤á messagσá occur≤ wheε thσ field≤ entereΣ froφ thσ consolσ d∩á no⌠ ì matcΦá thσá fielΣ specifieΣ iε thσ INPU╘ statement«á Thi≤ caεá occu≥á wheε ì fielΣ type≤ d∩ no⌠ matcΦ o≥ thσ numbe≥ oµ field≤ entereΣ i≤ differen⌠á froφ ì thσá numbe≥á oµá field≤á specified«á Al∞ field≤á specifieΣá b∙á thσá INPU╘ ì statemen⌠ mus⌠ bσ reentered. 2-Letter Warning Codes DZ -- Divide by Zero ┴ numbe≥ wa≤ divideΣ b∙ zero«á Thσ resul⌠ i≤ se⌠ t∩ thσ larges⌠ valiΣ ì CBASI├ number. FL -- Field Length ┴á fielΣá lengtΦ greate≥ thaε 25╡ byte≤ wa≤ encountereΣ durinτ ßá REA─ ì LINE« Onl∙ thσ firs⌠ 25╡ character≤ oµ thσ recorΣ arσ retained. LN -- Logarithm error Thσá argumen⌠á giveε iε thσ LO╟ functioε wa≤ zer∩á o≥á negative«á Thσ ì valuσ oµ thσ argumen⌠ i≤ returned. NE -- NEgative number ┴á negativσá numbe≥á wa≤á specifieΣ followinτ thσá raisσá t∩á ßá powe≥ ì operato≥ (^)« Thσ absolutσ valuσ i≤ useΣ iε thσ calculation. OF -- OverFlow ┴ calculatioε produceΣ ß numbe≥ to∩ large«á Thσ resul⌠ i≤ se⌠ o⌠á thσ ì larges⌠ valiΣ CBASI├ number. SQ -- SQuare root error ┴á negativσá numbe≥ wa≤ specifieΣ iε thσ SQ╥ function«á Thσá absolutσ ì valuσ i≤ used. :CBASIC: Run-Time Error Messages -- Error Codes AC -- AsCii error Thσ strinτ useΣ a≤ thσ argumen⌠ iε aε AS├ functioε evaluateΣ t∩ ß nul∞ ì string. CE -- Close Error An error occurred upon closing a file. CU -- Close Undefined file ┴ closσ statemen⌠ specifieΣ ß filσ numbe≥ tha⌠ wa≤ no⌠ active. DF -- Defined File Aεá OPE╬ o≥ CREAT┼ wa≤ specifieΣ witΦ ß filσ numbe≥ tha⌠á wa≤á alread∙ ì active. DU -- Delete Undefined file ┴ DELET┼ statemen⌠ specifieΣ ß filσ numbe≥ tha⌠ wa≤ no⌠ active. DW -- Disk Write error Aεá erro≥ occurreΣ whilσ writinτ t∩ ß file«á Thi≤ occur≤ wheεá eithe≥ ì thσ director∙ o≥ thσ disδ i≤ full. EF -- End of File ┴á reaΣá pas⌠ thσ enΣ oµ filσ occurreΣ oε ß filσ fo≥ whicΦ n∩á I╞á EN─ ì statemen⌠ ha≤ beeε executed. ER -- Error in Record Aεá attemp⌠á wa≤á madσ t∩ writσ ß recorΣ oµ lengtΦá greate≥á thaεá thσ ì maximuφá recorΣá sizσ specifieΣ iε thσ associateΣá OPEN¼á CREATE¼á o≥á FIL┼ ì statement. FR -- File Rename Aε attemp⌠ wa≤ madσ t∩ renamσ ß filσ t∩ aε existinτ filσ name. FU -- File Undefined Aε attemp⌠ wa≤ madσ t∩ reaΣ o≥ writσ t∩ ß filσ tha⌠ wa≤ no⌠ active. IR -- Invalid Record number A record number less than one was specified. LW -- Line Width ┴á linσá widtΦá les≤ thaε ▒ o≥ greate≥ thaε 13│ wa≤á specifieΣá iεá aε ì LPRINTE╥ WIDT╚ statement. ME -- MAKE Error Aεá erro≥ occurreΣ whilσ creatinτ o≥ extendinτ ß filσ becausσ thσ disδ ì director∙ wa≤ full. MP -- MATCH Parameter Thσ thirΣ paramete≥ iε ß MATC╚ functioε wa≤ zer∩ o≥ negative. NF -- Number of FILE Thσ filσ numbe≥ specifieΣ wa≤ les≤ thaε ▒ o≥ greate≥ thaε 20. NM -- No Memory There was insufficient memory to load the program. NN -- No Number field Aε attemp⌠ wa≤ madσ t∩ prin⌠ ß numbe≥ witΦ ß PRIN╘ USIN╟ statemen⌠ bu⌠ ì therσ wa≤ no⌠ ß numeriπ datß fielΣ iε thσ USIN╟ string. NS -- No String field Aε attemp⌠ wa≤ madσ t∩ prin⌠ ß strinτ witΦ ß PRIN╘ USIN╟ statemen⌠ bu⌠ ì therσ wa≤ no⌠ ß strinτ fielΣ iε thσ USIN╟ string. OD -- Overflow Data ┴á REA─á statemen⌠ wa≤ executeΣ witΦ n∩ DAT┴ available. OE -- OPEN Error Aε attemp⌠ wa≤ madσ t∩ OPE╬ ß filσ tha⌠ didn'⌠ exis⌠ anΣ fo≥ whicΦá n∩ ì I╞ EN─ statemen⌠ haΣ beeε previousl∙ executed. OI -- ON Index Thσá expressioεá specifieΣá iεá aε O╬ ..«á GOSU┬ o≥á aεá O╬á ..«á GOT╧ ì statemen⌠á evaluateΣ t∩ ß numbe≥ les≤ thaε ▒ o≥ greate≥ thaε thσ numbe≥á oµ ì linσ number≤ containeΣ iε thσ statement. OM -- Overflow Memory The program ran out of memory during execution. QE -- Quote Error Aε attemp⌠ wa≤ madσ t∩ PRIN╘ t∩ ß filσ ß strinτ containinτ ß quotatioε ì mark. RE -- READ Error Aε attemp⌠ wa≤ madσ t∩ reaΣ pas⌠ thσ enΣ oµ ß recorΣ iε ß fixeΣ file. RG -- RETURN with no GOSUB A RETURN occurred for which there was no GOSUB. RU -- Random Undefined ┴ randoφ reaΣ o≥ prin⌠ wa≤ attempteΣ t∩ othe≥ thaε ß fixeΣ file. SB -- SuBscript Aεá arra∙ subscrip⌠ wa≤ useΣ whicΦ exceedeΣ thσ boundarie≤á fo≥á whicΦ ì thσ arra∙ wa≤ defined. SL -- String Length ┴ concatenatioε operatioε resulteΣ iε ß strinτ oµ morσ thaε 25╡ bytes. SS -- SubString error Thσ seconΣ paramete≥ oµ ß MIDñ functioε wa≤ zer∩ o≥ negative. TF -- Too many Files Aε attemp⌠ wa≤ madσ t∩ havσ morσ thaε 2░ activσ file≤ simultaneously. TL -- TAB Length ┴á TA┬ statemen⌠ containeΣ ß paramete≥ les≤ thaε ▒ o≥ greate≥ thaε thσ ì curren⌠ linσ width. UN -- UNdefined edit string ┴ PRIN╘ USIN╟ statemen⌠ wa≤ executeΣ witΦ ß nul∞ edi⌠ string. WR -- WRite error Aεá attemp⌠ wa≤ madσ t∩ writσ t∩ ß filσ afte≥ i⌠ haΣá beeεá read¼á bu⌠ ì beforσ i⌠ haΣ beeε reaΣ t∩ thσ enΣ oµ thσ file.