464 lines
14 KiB
Plaintext
464 lines
14 KiB
Plaintext
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=======================================
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P.L.E DOCUMENTATION
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ENTERED BY JUDIE MAC
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LOADING/RUNNING P.L.EDITOR
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IF YOU OWN AN APPLE II PLUS SYSTEM THAT DOES NOT HAVE AN INTEGER BASIC
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FIRMWARE CARD, THE PROGRAM LINE EDITOR WILL NOT BE RUN WHEN THE
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SUPPLIED DISK IS BOOTED. THIS IS BECAUSE THE GREETING PROGRAM IS AN
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INTEGER BASIC PROGRAM. SO, THE FOLLOWING STEPS MUST BE TAKEN IN ORDER
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TO ALLOW THE PROGRAM LINE EDITOR DISK TO BOOT PROPERLY IN APPLESOFT.
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1. REMOVE THE WRITE PROTECT TABS FROM THE EDGE OF THE INCLUDED DISK.
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2. INSERT AND BOOT THE DISK.
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3. UNLOCK PROGRAM LINE EDITOR
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4. UNLOCK PLE.FP
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5. RENAME PROGRAM LINE EDITOR, PLE.INT
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6. RENAME PLE.FP.PROGRAM LINE EDITOR
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7. LOCK PROGRAM LINE EDITOR
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8. LOCK PLE.INT
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9. REPLACE THE WRITE PROTECT TAB.
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10. REBOOT THE DISK
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AFTER THIS IS DONE, JUST BOOT THE DISK NORMALLY. SOON, A DISK CATALOG
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WILL APPEAR ,LETTING YOU KNOW THE PLE IS UP AND RUNNING.
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WHEN THE PLE HAS BEEN RUN, YOU SHOULDN'T NOTICE ANYTHING UNUSUAL ABOUT
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THE OPERATION OF YOUR APPLE. IN FACT, EVERYTHING IS THE SAME, EXCEPT
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FOR ALL OF THE NEW COMMANDS AND FEATURES DESCRIBED IN THE FOLLOWING
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PAGES.
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NOTE:
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WHEN THE PLE IS UP AND RUNNING, DOS WILL SET HI-MEM:1536 BYTES LOWER
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THAN NORMAL FOR YOUR SYSTEM.
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PAGE 1
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THERE ARE TWO NEW COMMANDS ADDED TO BASIC THAT ALLOW YOU TO EDIT
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EITHER A PROGRAM LINE OR THE LAST LINE OF CHARACTERS TYPED AT THE
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KEYBOARD. THESE ARE CTRL-E (EDIT) AND CTRL-W
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ENTERING EDIT MODE:
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CTRL-E AND CTRL-W
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THIS IS THE COMMAND USED WHEN YOU WANT TO EDIT A LINE IN YOUR
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PROGRAM.`TO TYPE CTRL-E, JUST PRESS THE CTRL KEY AND HOLD IT DOWN
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WHILE YOU HIT THE E KEY. AFTER THE WORD "EDIT" APPEARS, TYPE THE LINE
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NUMBER OF THE LINE YOU WANT TO EDIT. THE LINE WILL APPEAR, WITH THE
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CURSOR AT THE BEGINNING OF THE FIRST STATEMENT IN THE LINE. THE LINE
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EDITOR REMEMBERS THE NUMBER OF THE LAST LINE EDITED, SO, IF YOU WANT
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TO EDIT THE SAME LINE AGAIN LATER, SIMPLY TYPE CTRL-E AND A PERIOD
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(.). THIS WILL CAUSE THE LAST - EDITED LINE TO REAPPEAR.
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HERE ARE A FEW THINGS TO WATCH FOR WHEN USING CRTL-E TO ENTER EDIT
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MODE:
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1. CTRL-E MUST BE THE FIRST CHARACTER TYPED ON A LINE.
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2. DON'T TRY TO EDIT LINE 0 OF AN APPLESOFT PROGRAM.
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3. CTRL-E IS DISABLED DURING INPUTS AND MONITOR.
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4. BACKSPACING INTO THE WORD EDIT BEFORE TYPING THE LINE NUMBER MAY
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DISABLE CTRL-R (RESTART) IN EDIT MODE.
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5. IF YOU INADVERTENTLY TYPE THE ESCAPE KEY BEFORE TYPING CTRL-E, TWO
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WARNING BELLS WILL SOUND AND YOU WILL NOT ENTER EDIT MODE. IF A LINE
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NUMBER IS TYPED AFTER THE WARNING BELL, HITTING RETURN MAY DELETE THE
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LINE.
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6. IF A LINE IS LONGER THAN THE MAXIMUM BASIC LINE LENGTH (128 FOR
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INTEGER BASIC, 239 FOR APPLESOFT), IT WILL BE AUTO-PACKED, REMOVING
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ALL EXTRANEOUS SPACES FROM THE LINE.
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CTRL-W
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THIS IS THE COMMAND TO USE WHEN YOU HAVE TYPED A LINE IN INTEGER BASIC
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AND RECEIVED A ***SYNTAX ERROR MESSAGE, JUST TYPE CTRL-W AND THE LINE
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WILL INSTANTLY REAPPEAR. CTRL-W WORKS DURING INPUTS, AND IT WILL
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RECOVER AND RE-EXECUTE IMMEDIATE COMMANDS. THIS COMMAND CAN ALSO BE
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USED TO RECOVER LINES CANCELED WITH CTRL-X. CTRL-W ACTUALLY WORKS TWO
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WAYS, DEPENDING ON WHEN IT IS TYPED. IF IT IS TYPED AS THE FIRST
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CHARACTER ON A LINE, IT WILL CAUSE THE LAST LINE TYPED FROM THE
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KEYBOARD TO REAPPEAR. IF IT IS TYPED WHILE ENTERING A LINE, CTRL-W
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RETYPES THE LINE AND ENTERS EDIT MODE.
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HERE ARE SOME THINGS TO BE CAREFUL OF WHEN USING CTRL-W:
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1. CTRL-W DOES NOT WORK WHEN ENTERED AS THE FIRST CHARACTER OF AN
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APPLESOFT LINE.
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2. VERY LONG LINES MAY BE AUTO-PACKED, REMOVING ALL EXTRANEOUS
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SPACES.
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EDIT MODE:CONTROL COMMANDS
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ALL OF THE FOLLOWING COMMANDS ARE AVAILABLE ONLY AFTER ENTERING EDIT
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MODE AS DESCRIBED. CONTROL CHARACTERS IN THE EDITED LINE ARE DISPLAYED
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IN INVERSE VIDEO DURING EDIT MODE. A WARNING BELL WILL SOUND IF YOUR
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LINE HAS REACHED THE MAXIMUM BASIC LINE LENGTH (128 FOR INTEGER BASIC,
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239 LINES FOR APPLESOFT).
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NOTICE THE FIRST CHARACTER OF EACH COMMAND'S NAME IS THE SAME AS (OR
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SOUNDS LIKE) THE COMMAND ITSELF. THIS IS AN EASY WAY TO REMEMBER THESE
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COMMANDS.
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EDIT MODE COMMANDS
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CTRL-I
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INSERT -THIS COMMAND ALLOWS YOU TO INSERT CHARACTER INTO THE LINE.
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NON-CONTROL CHARACTERS TYPED AFTER A CTRL-I WILL BE INSERTED IN FRONT
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OF THE CURSOR, AND THE REST OF THE LINE WILL SPREAD TO MAKE ROOM. ALL
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FOLLOWING CHARACTERS TYPED WILL BE INSERTED UNTIL A CONTROL CHARACTER
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IS TYPED (SUCH AS <-,->, OR ANOTHER EDIT MODE COMMAND). TO INSERT
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CONTROL CHARACTERS, SEE OVERRIDE.
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CTRL-D
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DELETE -TO DELETE THE CHARACTER UNDER THE CURSOR FROM THE LINE, TYPE
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CTRL-D. THE CHARACTER WILL DISAPPEAR, AND THE REST OF THE LINE WILL
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MOVE IN AND FILL UP THE SPACE CREATED. IF YOU DELETE TOO MUCH, YOU CAN
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RECOVER THE LINE WITH RESTART
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CTRL-F
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FIND -FOLLOWED BY A CHARACTER TYPED N TIMES, FIND WILL MOVE THE CURSOR
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TO THE NTH OCCURRENCE OF THE CHARACTER IN THE LINE. FOR EXAMPLE, TO
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POSITION THE CURSOR ON THE THIRD COLON (:) IN A LINE, TYPE CTRL-F :::.
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NOTICE THAT YOU ONLY NEED TYPE CTRL-F ONCE. TYPE ANY OTHER CHARACTER
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TO TERMINATE FIND
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CTRL-Z
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ZAP - THIS FUNCTION DELETES ALL CHARACTERS UP TO A SPECIFIC CHARACTER.
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A CTRL-Z FOLLOWED BY A CHARACTER TYPED N TIMES WILL DELETE ALL
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CHARACTERS UP TO THE NTH OCCURRENCE OF THAT CHARACTER (MUCH LIKE
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FIND). FOR EXAMPLE, TO DELETE THREE STATEMENTS FROM A LINE, TYPE
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CTRL-Z :::. TYPE ANY OTHER CHARACTER TO TERMINATE ZAP. IF YOU ZAP A
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LITTLE TOO FAR, YOU CAN RESTORE THE ORIGINAL LINE WITH RESTART
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CTRL-0
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OVERRIDE - THIS COMMAND FUNCTIONS EXACTLY LIKE THE INSERT COMMAND
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EXCEPT THAT THE FIRST CHARACTER INSERTED MAY BE A CONTROL CHARACTER.
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AFTER THE FIRST CHARACTER HAS BEEN INSERTED, OVERRIDE BEHAVES EXACTLY
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LIKE INSERT THAT IS, INSERTION IS TERMINATED WITH A CONTROL CHARACTER.
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INSERTED CONTROL CHARACTERS ARE DISPLAYED IN INVERSE VIDEO IN EDIT
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MODE. YOU CAN USE OVERRIDE TO INSERT CTRL-D'S INTO PRINT STATEMENTS
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FOR DOS COMMANDS. YOU MIGHT ALSO WANT TO EXPERIMENT WITH OTHER CONTROL
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CHARACTERS SUCH AS THE FOUR PROGRAMMABLE CURSOR CHARACTERS (CTRL-
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H,I,J,K), BACKSPACES, AND CARRIAGE RETURNS.
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CTRL-R
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RESTART- THE RESTART COMMAND IS USED TO RE-EDIT THE ORIGINAL LINE,
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REGARDLESS OF ANY CHANGES OR DELETIONS YOU MIGHT HAVE MADE (A LIFE
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SAVER). RESTART DOES NOT WORK IF YOU ENTERED EDIT MODE WITH A
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CTRL-W.
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CTRL-P
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PACK-THE PACK COMMAND ALLOWS YOU TO REMOVE EXTRANEOUS SPACES IN EDITED
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LINES THAT WOULD OTHERWISE CAUSE A *** TOO LONG ERROR. CTRL-P WILL
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RETYPE A LINE
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WITH ALL SPACES REMOVED EXCEPT THOSE WITHIN QUOTES. PACK CAN ALSO BE
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USED WHEN YOU HEAR THE BELL WARNING YOU THAT YOUR LINE IS TOO LONG. TO
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PROTECT REMARK LINES FROM BEING PACKED, ENTER A QUOTE AS THE FIRST
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CHARACTER OF THE REMARK.
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CTRL-C
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CONVERT - THE CONVERT COMMAND IS USED TO QUICKLY CONVERT UPPER CASE
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TEXT TO LOWER CASE, OR VICE VERSA. CTRL-C CONVERTS THE CHARACTER UNDER
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THE CURSOR TO THE CURRENT CASE SET BY THE CTRL-A/CTRL-S UPPER-LOWER
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SHIFT LOCK, AND ADVANCES THE CURSOR.
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CTRL-B
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BEGIN - THIS COMMAND MOVES THE CURSOR TO THE BEGINNING OF THE LINE. IT
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IS USEFUL FOR REPOSITIONING THE CURSOR BEFORE USING THE FIND COMMAND,
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AND FOR RENUMBERING LINES.
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CTRL-N
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END - THIS COMMAND MOVES THE CURSOR TO THE END OF THE LINE.CTRL-Q QUIT
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- THE QUIT COMMAND DELETES TO THE END OF THE LINE STARTING FROM THE
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CURSOR POSITION AND EXITS EDIT MODE. THE LINE IS ENTERED UP TO THE
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CURSOR POSITION.
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CTRL-M
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RETURN - TYPING A CARRIAGE RETURN WILL EXIT EDIT MODE AND SAVE THE
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LINE EXACTLY AS IT APPEARS ON THE SCREEN THIS IS THE USUAL WAY OF
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LEAVING EDIT MODE.
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CTRL-X
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CANCEL - CTRL-X IS USED TO CANCEL THE LINE BEING EDITED, AND EXIT EDIT
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MODE. A LINE CANCELLED WITH CTRL-X CAN BE RECOVERED WITH CTRL-W.
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<-,->
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THE BACKWARD AND FORWARD ARROW KEYS WORK JUST AS THEY NORMALLY DO,
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MOVING THE CURSOR BACKWARD OR FORWARD ONE SPACE. THESE ARE ALSO
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INVOKED WITH CTRL-H AND CTRL-U, RESPECTIVELY.
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CTRL-A, CTRL-S
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THE UPPER AND LOWER CASE SHIFT LOCK KEYS ALSO WORK IN EDIT MODE.
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CTRL-A IS UPPER SHIFT LOCK, AND CTRL-S IS THE LOWER SHIFT LOCK. (SEE
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CONVERT)
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STOP LIST ESC OR
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CTRL-S
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TEMPORARILY STOP,I.E. PROGRAM LISTINGS OR CATALOG, HIT CTRL-S OR
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ESC. EXIT COMMAND, HIT ANY KEY.
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CANCEL LIST
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CTRL-C
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TO TERMINATE LISTING ENTIRELY AND RETURN TO BASIC
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FLUSH LIST
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CTRL-F
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TO QUICKLY SKIP THROUGH LONG LISTINGS. TO RESUME OUTPUT TO SCREEN
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CTRL-F
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NOTICE: ESC AND CTRL-S:
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DURING INPUT BE CAREFUL. THE ABOVE COMMANDS S, C, F, ESC, WORK ONLY
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WHEN CHARACTERS ARE ACTUALLY BEING PRINTED ON THE SCREEN.
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CURSOR CONTROL
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CTRL-H - LEFT
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CTRL-I - RIGHT
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CTRL-J - DOWN
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CTRL-K - UP
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THESE CHARACTER ALLOW YOU TO CONTROL THE POSITION OF THE CURSOR FROM
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WITHIN PRINT, REM, OR INPUT STATEMENTS.
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EXAMPLE:
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A PRINT STATEMENT WITH AN ASTERISK FOLLOWED BY FIVE CTRL-K'S AND
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ANOTHER ASTERISK WILL PRINT AN ASTERISK ONE SPACE AHEAD AND FOUR LINES
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ABOVE THE OTHER.
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ESCAPE FUNCTIONS
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NOTE:
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THE ESCAPE FUNCTIONS ARE NOT AVAILABLE DURING EDIT MODE!
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ESC @, A-G
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THESE ARE NORMAL APPLE ESCAPE COMMANDS. THEY WORK AS IS IN MANUAL.
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ESC P
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TYPING ESC-P/ SAME AS ESC SHIFT-P, EXCEPT DON'T USE SHIFT KEY.
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ESC I, HJ, K, M
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SIMULATE AUTOSTART ROM ESCAPE EDITING. SAME AS ESC A, B, C, D.
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ESC T
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THIS TYPES TEXT AND RETURN, AND THEN POKE -16300,0 RETURN, WHICH
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RETURNS YOU TO TEXT PAGE 1.
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ESC L
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TYPE LIST AND A CARRIAGE RETURN.
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ESC O AUTOMATICALLY TYPES CALL-936
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ESC 1,2 ESC 1 WILL CATALOG THE DISK IN DRIVE 1
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ESC 2 WILL CATALOG THE DISK IN DRIVE 2
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ESC / USE IN PLACE OF WORD PRINT
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ESC: THIS DOES A CALL-151 NOTE THAT A ":" IS A LOWER CASE "*" THE
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MONITOR PROMPT CHARACTER.WHEN EXECUTED ALL THAT IS SEEN IS "MON"
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ESC <- -> PERFORMS EIGHT <- AND ->. TYPING ESC ->->->->-> WILL COPY
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AN ENTIRE LINE FROM THE APPLE SCREEN WHILE ESC <- <- WILL FAST
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BACKSPACE SIXTEEN TIMES.
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ESC Q
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THIS FUNCTION WILL BRING THE VALUE OF THE CONTENTS OF ANY TWO MEMORY
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LOCATIONS. TO USE, YOU MUST FIRST SET THE VARIABLE A EQUAL TO THE
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ADDRESS OF THE LOCATION OF THE TWO-BYTE NUMBER. (THIS IS DONE BY
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TYPING A=N, WHERE N IS AN INTEGER) NEXT JUST TYPE ESC Q. THIS FUNCTION
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IS ROUGHLY EQUIVALENT TO PRINT PEEK (A) + PEEK (A+1) * 256, EXCEPT
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THAT VALUES GREATER THAT 32767 ARE PRINTED AS NEGATIVE NUMBERS. IN
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INTEGER BASIC SETTING A=74 WILL PRINT THE CURRENT VALUE OF LOMEM: AND
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A=76 WILL PRINT THE ADDRESS OF HIMEM: IN APPLESOFT USE A=105 AND A=73
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RESPECTIVELY, TO PRINT THE VALUE OF LOMEM: AND HIMEM: THIS FUNCTION IS
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NOT PRINTED ON THE SCREEN DURING EXECUTION.
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ESC W
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WILL CALCULATE THE START ADDRESS AND LENGTH OF THE MOST RECENTLY
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BLOADED DISK FILE ON 48K SYSTEM. YOU MUST CHANGE THE CONSTANTS WITHIN
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THE FUNCTION WITH THE ESC CREATE PROGRAMS FOR USE WITH OTHER SIZE
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SYSTEMS.
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ESC !-% -ESC SHIFT 1 THRU ESC SHIFT 5
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MAKE AVAILABLE THE FIVE CHARACTERS THAT ARE NOT NORMALLY AVAILABLE ON
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THE APPLE KEYBOARD: THE RIGHT BRACKET, THE BACKSLASH, THE UNDERLINE,
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CTRL-/, AND CTRL
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ESCAPE FUNCTIONS CAN BE USED FOR ANYTHI NG, REMEMBER POKES PEEKS
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CALLS, TYPE RESPONSES TO INPUT, FIRE UP PRINTER DRIVER, APPEND INTEGER
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BASIC.
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ESCAPE CREATE.INT
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ESCAPE CREATE.FP
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WHEN USING THE ESC CREATE PROGRAM TO DISPLAY THE ESCAPE FUNCTIONS
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YOU'VE NOTICED THAT THE CURSOR MOVEMENT COMMANDS ESC@ @ THROUGH ESC F
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ARE DEFINED IN TERMS OF THEMSELVES.
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IF YOU DON'T WANT THE TEXT OF THE ESCAPE FUNCTION TO BE DISPLAYED ON
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THE APPLE SCREEN JUST INSERT (') APOSTROPHE INTO THE FUNCTION AT THE
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PLACE WHERE YOU WANT TO DISABLE THE DISPLAY (USUALLY THE FIRST
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CHARACTER OF THE FUNCTION). WHEN ENCOUNTERED, DURING EXECUTION OF AN
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ESC FUNCTION, LISTING OF THE FUNCTION IS TURNED OFF AND (') SKIPPED
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OVER NOT ENTERED INTO THE LINE AS PART OF THE FUNCTION.
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ALSO NOTICE ESC CTRL-E IS DEFINED AS TWO BELLS AND A CTRL-X. THIS CAN
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BE A LIFE SAVER IF YOU USE ESC KEY FOR STOP LIST AND YOU ACCIDENTALLY
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HIT THE ESC KEY AFTER THE LISTING HAS STOPPED. THE NEXT KEY WILL BE
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PROCESSED AS AN ESCAPE FUNCTION AND THUS YOU WILL NOT ENTER EDIT
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MODE.
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TYPE CTRL-E TO ENTER EDIT MODE AND YOU HEAR TWO BELL, YOU KNOW TO TRY
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AGAIN.
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USING PLE GREETING PROGRAM ON YOUR OWN DISK:
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A. INSERT PLE DISK AND BOOT.
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B. DECIDE INTEGER BASIC OR APPLESOFT OF THE GREETING PROGRAM YOU WANT.
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C. LOAD PLE
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D. INSERT YOUR OWN DISK.
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E. CATALOG YOUR DISK TO FIND OUT THE NAME AND FILE TYPE OF ITS EXISTING
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GREETING PROGRAM.
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F. SAVE HELLO. YOU NOW HAVE REPLACED
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THE OLD GREETING PROGRAM WITH PLE
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GREETING PROGRAMS:
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A. LOAD PLE
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B. DEL 10,30
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C. ENTER YOUR PROGRAM.
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INTEGER: THE LAST STATEMENTS EXECUTED IN YOUR PROGRAM MUST GOSUB
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32767: PRINT "<CTRL-D>INT"
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APPLESOFT: THE LAST STATEMENT EXECUTED MUST BE GOSUB 63999:PRINT
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"<CTRL-D>FP"
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BECAUSE THE FINAL INT AND FP IMMEDIATELY TERMINATES THE PROGRAM AND
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CLEARS PROGRAM MEMORY, IT IS NOT POSSIBLE TO RUN AN OTHER PROGRAM FROM
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YOUR GREETING PROGRAM. BRUN CATALOG AND EXEC ETC., ARE ALLOWED
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D. INSERT YOUR OWN DISK.
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E. SAVE HELLO
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IT IS POSSIBLE TO INIT A NEW DISK WITH A PLE GREETING PROGRAM.
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ENTERING BASIC FROM APPLE MONITOR
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TO RETURN TO BASIC AFTER HITTING RESET OR CALL-151,TYPE CTRL-Y AND HIT
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RETURN. IF YOU USE 3D0G TO RE-ENTER BASIC THE PLE WILL BE DISABLED
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UNTIL BASIC IS REENTERED WITH CTRL-Y. IF YOU HAVE AUTOSTART ROM,
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HITTING RESET WILL ALWAYS RETURN YOU TO BASIC WITH THE EDITOR UP AND
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RUNNING.
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THE PLE IS MUCH CONNECTED TO THE APPLE LIKE A PRINTER OR OTHER
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PERIPHERAL. THEREFORE WHEN YOU USE PR# IN# THE PLE IS TEMPORARILY
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DISABLED AND MUST BE RECONNECTED. IN APPLESOFT CALL-1013 OR SIMPLY AN
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& IN YOUR PROGRAM OR FROM THE KEYBOARD. INTEGER DOESN'T HAVE &
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STATEMENT YOU MUST USE CALL-1013 TO RECONNECT THE PLE.
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MEMORY CONFLICTS; TO TRANSFER TO ANOTHER DISK
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A. BLOAD REMOVE PLE
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B. BSAVE REMOVE PLE,A$300,L$3A
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