FASTA format: Difference between revisions
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(prinl) ) ) )
(fasta "fasta.dat")</syntaxhighlight>
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Rosetta_Example_1: THERECANBENOSPACE
Rosetta_Example_2: THERECANBESEVERALLINESBUTTHEYALLMUSTBECONCATENATED
</pre>
=={{header|PL/M}}==
{{works with|8080 PL/M Compiler}} ... under CP/M (or an emulator)
Reads the data from the file named on the command line, e.g., if the program is stored in D:FASTA.COM and the data in D:FSTAIN.TXT, the following could be used: <code>D:FASTA D:FASTAIN.TXT</code>.<br>
Restarts CP/M when the program finishes.
<syntaxhighlight lang="plm">
100H: /* DISPLAY THE CONTENTS OF A FASTA FORMT FILE */
DECLARE FALSE LITERALLY '0', TRUE LITERALLY '0FFH';
DECLARE NL$CHAR LITERALLY '0AH'; /* NEWLINE: CHAR 10 */
DECLARE CR$CHAR LITERALLY '0DH'; /* CARRIAGE RETURN, CHAR 13 */
DECLARE EOF$CHAR LITERALLY '26'; /* EOF: CTRL-Z */
/* CP/M BDOS SYSTEM CALL, RETURNS A VALUE */
BDOS: PROCEDURE( FN, ARG )BYTE; DECLARE FN BYTE, ARG ADDRESS; GOTO 5; END;
/* CP/M BDOS SYSTEM CALL, NO RETURN VALUE */
BDOS$P: PROCEDURE( FN, ARG ); DECLARE FN BYTE, ARG ADDRESS; GOTO 5; END;
EXIT: PROCEDURE; CALL BDOS$P( 0, 0 ); END; /* CP/M SYSTEM RESET */
PR$CHAR: PROCEDURE( C ); DECLARE C BYTE; CALL BDOS$P( 2, C ); END;
PR$STRING: PROCEDURE( S ); DECLARE S ADDRESS; CALL BDOS$P( 9, S ); END;
PR$NL: PROCEDURE; CALL PR$STRING( .( 0DH, NL$CHAR, '$' ) ); END;
FL$EXISTS: PROCEDURE( FCB )BYTE; /* RETURNS TRUE IF THE FILE NAMED IN THE */
DECLARE FCB ADDRESS; /* FCB EXISTS */
RETURN ( BDOS( 17, FCB ) < 4 );
END FL$EXISTS ;
FL$OPEN: PROCEDURE( FCB )BYTE; /* OPEN THE FILE WITH THE SPECIFIED FCB */
DECLARE FCB ADDRESS;
RETURN ( BDOS( 15, FCB ) < 4 );
END FL$OPEN;
FL$READ: PROCEDURE( FCB )BYTE; /* READ THE NEXT RECORD FROM FCB */
DECLARE FCB ADDRESS;
RETURN ( BDOS( 20, FCB ) = 0 );
END FL$READ;
FL$CLOSE: PROCEDURE( FCB )BYTE; /* CLOSE THE FILE WITH THE SPECIFIED FCB */
DECLARE FCB ADDRESS;
RETURN ( BDOS( 16, FCB ) < 4 );
END FL$CLOSE;
/* I/O USES FILE CONTROL BLOCKS CONTAINING THE FILE-NAME, POSITION, ETC. */
/* WHEN THE PROGRAM IS RUN, THE CCP WILL FIRST PARSE THE COMMAND LINE AND */
/* PUT THE FIRST PARAMETER IN FCB1, THE SECOND PARAMETER IN FCB2 */
/* BUT FCB2 OVERLAYS THE END OF FCB1 AND THE DMA BUFFER OVERLAYS THE END */
/* OF FCB2 */
DECLARE FCB$SIZE LITERALLY '36'; /* SIZE OF A FCB */
DECLARE FCB1 LITERALLY '5CH'; /* ADDRESS OF FIRST FCB */
DECLARE FCB2 LITERALLY '6CH'; /* ADDRESS OF SECOND FCB */
DECLARE DMA$BUFFER LITERALLY '80H'; /* DEFAULT DMA BUFFER ADDRESS */
DECLARE DMA$SIZE LITERALLY '128'; /* SIZE OF THE DMA BUFFER */
DECLARE F$PTR ADDRESS, F$CHAR BASED F$PTR BYTE;
/* CLEAR THE PARTS OF FCB1 OVERLAYED BY FCB2 */
DO F$PTR = FCB1 + 12 TO FCB1 + ( FCB$SIZE - 1 );
F$CHAR = 0;
END;
/* SHOW THE FASTA DATA, IF THE FILE EXISTS */
IF NOT FL$EXISTS( FCB1 ) THEN DO; /* THE FILE DOES NOT EXIST */
CALL PR$STRING( .'FILE NOT FOUND$' );CALL PR$NL;
END;
ELSE IF NOT FL$OPEN( FCB1 ) THEN DO; /* UNABLE TO OPEN THE FILE */
CALL PR$STRING( .'UNABLE TO OPEN THE FILE$' );CALL PR$NL;
END;
ELSE DO; /* FILE EXISTS AND OPENED OK - ATTEMPT TO SHOW THE DATA */
DECLARE ( BOL, GOT$RCD, IS$HEADING ) BYTE, DMA$END ADDRESS;
DMA$END = DMA$BUFFER + ( DMA$SIZE - 1 );
GOT$RCD = FL$READ( FCB1 ); /* GET THE FIRST RECORD */
F$PTR = DMA$BUFFER;
BOL = TRUE;
IS$HEADING = FALSE;
DO WHILE GOT$RCD;
IF F$PTR > DMA$END THEN DO; /* END OF BUFFER */
GOT$RCD = FL$READ( FCB1 ); /* GET THE NEXT RECORDD */
F$PTR = DMA$BUFFER;
END;
ELSE IF F$CHAR = NL$CHAR THEN DO; /* END OF LINE */
IF IS$HEADING THEN DO;
CALL PR$STRING( .': $' );
IS$HEADING = FALSE;
END;
BOL = TRUE;
END;
ELSE IF F$CHAR = CR$CHAR THEN DO; END; /* IGNORE CARRIAGE RETURN */
ELSE IF F$CHAR = EOF$CHAR THEN GOT$RCD = FALSE; /* END OF FILE */
ELSE DO; /* HAVE ANOTHER CHARACTER */
IF NOT BOL THEN CALL PR$CHAR( F$CHAR ); /* NOT FIRST CHARACTER */
ELSE DO; /* FIRST CHARACTER - CHECK FOR A HEADING LINE */
BOL = FALSE;
IF IS$HEADING := F$CHAR = '>' THEN CALL PR$NL;
ELSE CALL PR$CHAR( F$CHAR );
END;
END;
F$PTR = F$PTR + 1;
END;
/* CLOSE THE FILE */
IF NOT FL$CLOSE( FCB1 ) THEN DO;
CALL PR$STRING( .'UNABLE TO CLOSE THE FILE$' ); CALL PR$NL;
END;
END;
CALL EXIT;
EOF
</syntaxhighlight>
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