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()0Y0BTC-PS/8 FOCAL, 1971?MB]BEC HFILE1.RE?MB&BJL C FOCAL.TM?MB,BTG 2.1?MTLCZS DU=FOUT(162)?MCGFJT "*** PS/8 DEVICE NAMES:"!!?MC/FTT "SYS: SYSTEM DEVICE (DSK: IN DISK SYSTEM; DTA0: IN DECTAPE SYSTEM)"!?MDTF^T "DSK: THE DISK IN DISK SYSTEMS; DECTAPE IN DECTAPE SYSTEMS"!?MD3F(T :9,"( DSK: IS ASSUMED IF A DEVICE IS NOT SPECIFIED)"!?MEHF2T "DTA0: - DTA7: DECTAPE DRIVES"!?ME]F7T "LTA0: - LTA7: LINCTAPE DRIVES"!?ME2F<T "MTA0: - MTA7: MAGTAPE DRIVES"!?MFRGFT "PTR: HIGH SPEED READER"!"PTP: HIG SPEED PUNCH"!?MF"GKT "LPT: LINE PRINTER"!?MW*GPT "TTY: TERMINAL (MAY BE USED WITH OTHER DEVICES THROUGH ECHO )"!!!!!?MGYHT :25,"FROM THE DSK:)"!?MXRH(T "OPEN INPUT TTY:,ECHO":23,"(RESTORES TERMINAL TO NORMAL FUNCTION)"!?MHHH<T " * * * "?MYJIFT "CT L/Z IS THE END-OF-DATA-FILE CHARACTER. ATTEMPTS TO READ PAST IT"!?MIWIZT "*OPEN INPUT [DEVICE:][FILE NAME][,ECHO] (PREPARES TO READ A FILE)"!?MI]I T !!!!?MJJL R HFILE2.RE 5.1?MI;DLT "FILES WITH MANY DEVICES."!!?MJ!DNT "PS/8 FOCAL ASSUMES .FC AND .FD AS NAME EXTENSIONS FOR PROGRAM AND"!?MKIDPT "DATA FILES RESPECTIVELY. DATA FILES ARE SAVED IN STANDARD PS/8 ASCII"!?MK$DRT "FORMAT AND ARE EDIT AND TEC -8 COMPATIBLE."!!?MLKDTT "THE TERMINAL (TTY:) IS PS/8 FOCAL S NORMAL INPUT AND OUTPUT DEVICE."!?MT6DVT "THE OPEN INPUT COMMAND PERMITS SELECTING ANOTHER DEVICE FOR INPUT"!?MM[D\T " ,ECHO ADDED TO THE INPUT COMMANDS ECHOES THE INPUT DATA ON THE OUTPUT"! MNED^T "DEVICE. WHEN ADDED TO OUTPUT COMMANDS, IT CAUSES THE OUTPUT TO BE ECHOED"!?MNSD T "ON THE TERMINAL."!!?MN<D"T " OUTPUT CLOSE EMPTIES THE OUTPUT BUFFER ONTO THE DEVICE AND SAVES THE"!?MO!D$T "FILE IF THE DEVICE IS FILE STRUCTURED (DISK OR MAGNETI TAPE)."!!?MPHD(T "THE OPEN INPUT TTY:,ECHO COMMAND WILL RESTORE THE TERMINAL AS THE"!?MP0D*T "INPUT DEVICE WITH ECHO. AFTER AN ERROR OCCURS OR CTRL/P IS STRUCK,"!?MQSD,T "THE TERMINAL IS RESTORED AS BOTH INPUT AND OUTPUT DEVICE."!!?MQ:D.T "READING A D WRITING CAN BE RESUMED WITH PREVIOUSLY OPENED NON-TTY:"!?MR$D0T "DEVICES THROUGH OPEN RESTORE INPUT AND OPEN RESTORE OUTPUT COMMANDS."!!?MU2D2T "NOTE: WHEN WRITING FOCAL DATA FILES, IT IS NECESSARY TO INCLUDE A"!?MS3D8T "PRECEDING SPACE WILL BE AUT MATICALLY TYPED IF THE INITIAL DIALOGUE"!?MB6D:T "RECEIVES AN ANSWER OF YES OR 4,5 ."!!!?MI)DJT !!!"*** THE EXPERIENCED PROGRAMMER MAY READ AND WRITE PS/8 COMPATIBLE DATA"!?MU^DXT " OPEN OUTPUT DOES THE SAME FOR OUTPUT. BE SURE TO CLOSE ONE OUTPUT" ?ML2DZT "FILE BEFORE OPENING ANOTHER."!!?MVZD4T "SPACE, COMMA, CARRIAGE RETURN OR OTHER DELIMITER PRECEDING ANY MINUS"!?MSKD6T "SIGNS, OTHERWISE THE NUMBER WILL APPEAR POSITIVE WHEN ASKED . A"!?MGJH^T "O I TABLE,ECHO":23,"(WILL ECHO ON OUTPUT DEVICE WHI E READING TABLE.FD "!?MX HJT !!!"OPEN INPUT BLEEP":23,"(SWITCHES INPUT TO BLEEP.FD FILE ON DSK:)"!?MG?H2T "O I TTY:,E":23,"(ABBREVIATION)"!!?MWHTT "O I DTA4:RED":23,"(OPENS RED.FD FILE ON DECTAPE DRIVE 4)"!?MH/IPT :8,"WILL OUTPUT A AND SWITCH INPUT TO THE TERMINAL. ";D 4.6;T !!?M"TL S HFILE1.RE;L C HFILE2.RE?M? Note: Lines longer than 256 characters were wrapped