–€€XÊ L0„¶©AT810a[2ß] RW!((€­ Œ¢ Ž 0¢†D½ 0Rðe  ½ Ù±ÐFèˆÐô½ ¼ 0¢Ž¢­…E½ ¨ ðF½ èè†D 08­é°Î¦DÆEðÔ BL¥Di1ªi1­ø ¬ù ЋªÐˆ8`SYS EXSOD¨Œ/¥ÅðüŒÔx­ÓH)þÓ„D©…E±D…FȱDð;…GÈÉÿÐÅFðì±DªÈ±D…I8˜eD…DæE ±D‘FæDÐæEäFÐ¥GÅIðÄæFÐèæGÐähÓ©ÀÔX©"/làŒ ¬.Œ Ð .  ­/ ©@ Yä0î ­/ð mî °Ý`hh8`a$šÁÿÿÿÿBXEDOC 2 ºÎšÁ„¶¬¶¬BXEDOC 3 x;šÁö¬¶¬€XEDOC 4 úšÁ=¶¬¶¬šÁÿ  !"#$%&'()*+,-./0123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ[\]^_`abcdefghijklmnopqrstuvwxyz{|}~€‚ƒšÁ€››››› › › CHAPTER 4› › THE FILE ACCESS MENU› › › To enter the File Access menu from the Main menu, type [F]› then press [RETURN]. The File AccšÁess menu appears.› › ----------------------------------------› | DIRECTORY TODAY:20SE88 |› | D1> |› | |› | .....šÁ........................ |› | |› | DOS XE FILE ACCESS MENU |› | |› | FILES LISTING WORKING DIRECTORY |› | šÁPROTECT FILES NEW DIRECTORY |› | UNPROTECT FILES DELETE DIRECTORY |› | ERASE FILES COPY FILES |› | RENAME FILES APPEND A FILE |› | VIEW A FILE INITIAIZE DISK |› šÁ | ........................... |› | |› | SELECT ITEM OR ESCAPE FOR MAIN MENU |› | |› ----------------------------------------› šÁ › › The pathname of the working directory is at the top left of› the screen, under the word "DIRECTORY." The current date is› at the top right. Below the working directory pathname is› the list šÁ of options available in this menu. Press the key› which corresponds to the highlighted letter and press› [RETURN]. At the bottom is a reminder that you can return› to the Main menu at any time by pressing [ESC].› šÁ › After you have executed an option, DOS XE displays the› following line:› › ----------------------------------------› | |› | SELECT A LETTER,ESCAšÁPE, OR RETURN |› | |› ----------------------------------------› › This is a reminder that, although the current menu is not› displayed, you can press a letter and šÁselect an option from› it. You can also press [ESC] to return to the Main menu, or› press [RETURN] to display the File Access menu again.›››››› PAGE 23››››››››› › OPTIONS› šÁ › The following sections give detailed descriptions of each› option available from the File Access menu. Be sure to read› each one before selecting an option.› › FILES LISTING› › ThišÁ s option gives a listing of the contents of a directory.› A directory may contain files, other directories, or both.› › Type [F] and press [RETURN]. DOS XE displays this prompt:› › ------------------------šÁ ----------------› | FILES LISTING |› | |› | LIST WHAT FILES?:*.* |› | |› -------------------šÁ ---------------------› › › This prompt asks which files you want listed. Type in the› pathname you want. You may use wildcards to select groups› of files. Then press [RETURN]. If you do not entešÁ r a› pathname, DOS XE will provide a listing of all the files in› the working directory (:*.*).› › DOS XE then displays:› › ----------------------------------------› | LIST TO WHERE? šÁ |› ----------------------------------------› › › This prompt asks you where you want the listing sent. It› may be any legal device or file. If you do not enter a› name, DšÁOS XE lists the files on the screen. Press [RETURN].› DOS XE displays a listing like the following:› › d1>*.*› ----------------------------------------› | |› |šÁ *DOSXE.SYS 20SE88 20SE88 14224 |› | DOS2.SYS 20SE88 20SE88 2776 |› | LETTERS.> 20SE88 20SE88 > |› | PROGRAMS.> 20SE88 20SE88 > |› | 00344 K BYTES FREE |› šÁ | |› | SELECT ITEM OR ESCAPE OR RETURN |› | |› ----------------------------------------› › ›››› šÁ PAGE 24››››››››› The pathname of the directory listed is in the upper left› of the screen. Below it is a listing of the files and› directories it contains, one entry per line.› › Each enšÁtry begins with the file or directory name. If this› name is preceded by an asterisk(*), it means that the file› or directory is protected. (See PROTECT FILES later in this› chapter.) The name is followed by the extensiošÁn (if there› is one). Directory names are followed by a > symbol.› › There are two dates after each name in the directory: the› creation date and the revision date. The first is when the› file was crešÁated. The second date reflects the the last› time the file was updated, copied, or had material appended› to it.› › Finally, the size of the file is displayed. If the entry is› a file, DOS XE displays thšÁe number of bytes in the file. If› the item is a directory, DOS XE displays a > symbol.› › After the files and directories are listed, DOS XE displays› the amount of free space on the disk. Each kilobyte equals› šÁ 1000 bytes, not 1024 bytes as in other computer uses. The› number is rounded to the nearest 1000 bytes.› › If the listing is too large to fit on the screen, the list› will scroll. You can pause the scrošÁll by holding [CONTROL]› and pressing [1]. It can be restarted by typing› [CONTROL][1] again. Interrupt the scroll by pressing› [BREAK].› › Example 1: List the contents of the workingšÁ directory to› the screen.› › 1. Select [F] from the menu. This prompt appears:› › ----------------------------------------› | FILES LISTING |› | šÁ |› | LIST WHAT FILES?:*.* |› | |› ----------------------------------------› › 2. Press [RETURN]. The computer asks:› › šÁ ----------------------------------------› | LIST TO WHERE? |› ----------------------------------------› › 3. Press [RETURN] to list to the screen. After a brief› pause, the cšÁontents of the directory appear on the screen.››››››› PAGE 25››››››››› › Example 2: List the contents of the root directory to the› printer.› › 1. Make sure your printšÁer is connected and power is on.› › 2. Select [F] from the menu. This prompt appears:› › ----------------------------------------› | FILES LISTING |› | šÁ |› | LIST WHAT FILES?:*.* |› | |› ----------------------------------------› › 3. Enter D> and press [RETURN]. The computer asks:› šÁ › ----------------------------------------› | LIST TO WHERE? |› ----------------------------------------› › 4. Enter P: and press [RETURN]. The directory is printed on› yošÁ ur printer.› › Example 3: Create a file with a list of your business› letters.› › 1. Select [F] from the menu. This prompt appears:› › ----------------------------------------› šÁ! | FILES LISTING |› | |› | LIST WHAT FILES?:*.* |› | |› ----------------------------------------›šÁ" › 2. Enter D>LETTERS>*.BUS and press [RETURN]. The computer› asks:› › ----------------------------------------› | LIST TO WHERE? |› ------------------------------šÁ#----------› › 3. Enter D>LETTERS>LISTING.BUS and press [RETURN].The› information on the screen is listed to the disk in a file› called LISTING.BUS.›››››››››››› PAGE 26›››šÁ$›››››› › PROTECT FILES› › This option protects a file or directory so that it cannot› be changed or erased.Protected files and directories have› an asterisk in front of their names in file lišÁ%stings. The› protection can be removed with the Unprotect Files option.› › Type [P] and press [RETURN]. DOS XE displays this prompt:› › ----------------------------------------› | PROTECT FILES šÁ& |› | |› | PROTECT WHAT FILES? |› ----------------------------------------› › This prompt asks for the pathname of the file or diršÁ'ectory› to protect. Wildcards may be used for groups of files. Type› in the pathname and press [RETURN].› › Example: Protect all your business letter files.› › 1. Select [P] from the menu. This pršÁ(ompt appears:› › ----------------------------------------› | PROTECT FILES |› | |› | PROTECT WHAT FILES? |› -----------šÁ)-----------------------------› › 2. Enter D>LETTER>*.BUS and press [RETURN]. Those files are› now protected.› › › UNPROTECT FILES› › › This option removes the protectišÁ*on created by the Protect› Files option. Type [U] and press [RETURN].DOS XE displays› this prompt:› › ----------------------------------------› | UNPROTECT FILES |› | šÁ+ |› | UNPROTECT WHAT FILES? |› ----------------------------------------› › › The prompt asks for the pathname of the file or directory› to be unprošÁ,tected. Wildcards may be used for groups of› files. Type in the pathname and press [RETURN].››››››› PAGE 27››››››››› › Example: Unprotect your business letter files.› › šÁ- 1. Select [U] from the menu. The following prompt appears:› › ----------------------------------------› | UNPROTECT FILES |› | |› | UNPROTECT WHšÁ.AT FILES? |› ----------------------------------------› › 2. Type D>LETTERS>*.BUS and press [RETURN]. Those files are› no longer protected.› › › ERASE FILES› › šÁ/ › This option erases files. It does not erase directories.› Files cannot be erased if they are protected. Erased files› can't be recovered.› › Type [E] and press [RETURN]. DOS XE displays this prošÁ0mpt:› › ----------------------------------------› | ERASE FILES |› | |› | ERASE WHAT FILES? |› --------------------šÁ1--------------------› › This prompt asks for the pathname of the file to be erased.› Wildcards may be used for groups of files. Type in the› pathname and press [RETURN].› › It is a good idšÁ2ea to use the Files Listing command (with› the same wildcard name) to verify the files you will be› erasing. Make sure you type in the correct pathname and› filename; there is no verification prompt.› › šÁ3 Example: Erase all the letter files.› › 1. Select [E] from the menu. This prompt appears:› › ----------------------------------------› | ERASE FILES |› | šÁ4 |› | ERASE WHAT FILES? |› ----------------------------------------› › 2] Type D>LETTERS>LETTER?.* and press [RETURN]. Your letter› files are erased from the disšÁ5k.› ›››››› PAGE 28››››››››› › RENAME FILES› › › This option changes the names of files and directories. You› cannot rename protected files.› ›šÁ6 Type [R] and press [RETURN]. DOS XE displays this prompt:› › ----------------------------------------› | RENAME FILES |› | |› | RENAMEšÁ7 WHAT FILES? |› ----------------------------------------› › This prompt asks for the pathname of the file, or› directory, to be changed. You can use wildcards for groups› of fšÁ8iles. If a wildcard is used, the part of the name› designated by the wildcard will not be changed. Type in the› pathname and press [RETURN]. DOS XE displays the following› prompt:› › ----------------šÁ9------------------------› | DO NOT GIVE DRIVE (DN:) IN NEW NAME |› | TO WHAT NEW NAME? |› ----------------------------------------› › › This prompt asks for the new name of thešÁ: file or directory.› Do not include the pathname, just the name (and extension,› if any). If wildcards were used in the name of the file(s)› to be changed, the same wildcards should be used in the› same placešÁ;s in the new name. Type in the new name and press› [RETURN].› › Example 1: Changed the name of a game file from BLASTER to› BLAZER.› › 1. Select [R] from the menu. This message appears:› šÁ< › ----------------------------------------› | RENAME FILES |› | |› | RENAME WHAT FILES? |› ----------------------------------šÁ=------› › 2. Enter D>PROGRAMS>GAMES>BLASTER.BAS and press [RETURN].› The following message appears:› › › ----------------------------------------› | DO NOT GIVE DRIVE (DN:) IN NEW NAME šÁ> |› | TO WHAT NEW NAME? |› ----------------------------------------›››› PAGE 29››››››››› › 3. Enter BLAZER.BAS and press [RETURN]. The filename is now› šÁ? changed.› › Example 2: Make the same change using wildcards.› › 1. Select [R] from the menu. This message appears:› › ----------------------------------------› | RENAME FILES šÁ@ |› | |› | RENAME WHAT FILES? |› ----------------------------------------› › 2. Enter D>PROGRAMS>GAMES>???STER.BAS and press [RETURN].›šÁA The following message appears:› › › ----------------------------------------› | DO NOT GIVE DRIVE (DN:) IN NEW NAME |› | TO WHAT NEW NAME? |› ------------------------šÁB----------------› › 3. Enter ???ZER.BAS and press [RETURN]. The filename is now› changed.› › You cannot rename using wildcards if the result would be› two or more files with the same name. WšÁChen wildcards are› not used, no such restrictions apply. It is possible,› therefore, to get two files with the same name. If this› happens, use Rename again without wildcards. Only the first› file with a šÁDgiven name will be renamed.› › › VIEW A FILE› › › This option displays a file on the screen. This is designed› for reading text files. Any file can be viewed, although a› nontexšÁEt file may look like gibberish and the screen may› jump around.› › Type [V] and press [RETURN]. DOS XE displays the following› prompt:› › ----------------------------------------› | šÁF VIEW A FILE |› | |› | VIEW WHAT FILE? |› ----------------------------------------› › This prompt asks for the pathname of šÁGthe file to be viewed.› Type in the name and press [RETURN].› ›››› PAGE 30››››››››› Large files will scroll down the screen. You can pause the› scroll by holding down [CONTROLšÁH] and pressing [1]. It can› be restarted by typing [CONTROL][1] again. The scroll can› be interrupted by pressing [BREAK].› › › Example: Read a business letter without using your word› procešÁIssor.› › Note: Printing control-codes used by your word processor› may put some strange characters on the screen.› › 1. Select [V] from the menu. This message appears:› › › --šÁJ--------------------------------------› | VIEW A FILE |› | |› | VIEW WHAT FILE? |› ----------------------------------------› šÁK › › 2. Type D>LETTERS>LETTER1.BUS and press [RETURN]. The› contents of the file appear on screen.› › › WORKING DIRECTORY› › › This option changes the pathname šÁLof the working directory.› The working directory is the one DOS XE uses when you do› not enter a pathname. (see PATHNAMES in CHAPTER 2.)› › Type[W] and press [RETURN]. DOS XE displays this prompt:› › šÁM ----------------------------------------› | WORKING DIRECTORY |› | |› | GIVE NAME FOR WORKING DIRECTORY |› | NAME? šÁN|› ----------------------------------------› › This prompt asks for the pathname of your new working› directory. Type in the pathname and press [RETURN]. The new› pathname is displayed in the top lefšÁOt corner of the menus.› › Example: Change the working directory to LETTERS.››››››››››› PAGE 31››››››››› › 1. Select [W] from the menu. This message appears:› › šÁP› ----------------------------------------› | WORKING DIRECTORY |› | |› | GIVE NAME FOR WORKING DIRECTORY |› | NAME? šÁQ |› ----------------------------------------› › › 2. Enter D>LETTERS and press [RETURN]. You have just› changed the working directory.› › › NEW DIRECTORY› › šÁR › To create a new directory, type [N] and press [RETURN].› DOS XE displays this prompt:› › › ----------------------------------------› | NEW DIRECTORY |› šÁS | |› | GIVE NAME FOR NEW DIRECTORY |› | NAME? |› ----------------------------------------› › › Type in the pathname anšÁTd press [RETURN].› › Example: Create a games directory in the PROGRAMS› directory.› › 1. Select [N] from the menu. This prompt appears:› › › ---------------------------šÁU-------------› | NEW DIRECTORY |› | |› | GIVE NAME FOR NEW DIRECTORY |› | NAME? |› ----------------------šÁV------------------› › › 2. Enter D>PROGRAMS>GAMES and press [RETURN]. The directory› has been created.› › NOTE: This will not work under the following conditions:› › *If the D1>PšÁWROGRAMS directory does not exist.› ›››› PAGE 32››››››››› *If a file named D1>PROGRAMS>GAMES already exists and is› locked or for any other reason cannot be erased or deleted.› šÁX › › DELETE DIRECTORY› › › This option deletes a directory from the disk. It does not› erase files. directories which contain files or other› directories cannot be deleted.› šÁY › Type [D] and press [RETURN]. DOS XE displays this prompt:› › › ----------------------------------------› | DELETE DIRECTORY |› | |› šÁZ | DELETE WHAT DIRECTORY? |› ----------------------------------------› › › This prompt asks for the pathname of the directory to be› deleted. Wildcards are not permitted. Enter thšÁ[e pathname› and press [RETURN].› › Example: Delete the games directory.› › 1. Select [D] from the menu. This prompt appears:› › › ----------------------------------------› šÁ\ | DELETE DIRECTORY |› | |› | DELETE WHAT DIRECTORY? |› ----------------------------------------› › › 2. Type D>PROGRAMS>GšÁ]AMES and press [RETURN]. The directory› is erased.› › › COPY FILES› › › The Copy File option can be used in the following ways:› › *Copy a file to the same disk or to a šÁ^different disk.› › *Copy a directory to another directory on the same disk or› to a different disk.› › *Copy a group of files using wildcards.› › *Copy the contents of the screen editor šÁ_to a disk file.›››› PAGE 33››››››››› › *Copy a file to a device, such as a printer.› › Each of these options is discussed below.› › WARNING: The copy Files optšÁ`ion overwrites a part of memory› normally reserved for programs. If you have a program in› memory, and you do not want to lose it, be sure to save the› program before continuing the copy process.› › › šÁa Copying a File› › › The following process details the steps necessary to make a› copy of a file using one disk drive. This option copies a› file from one disk to different disk, prompting yošÁbu to› change disks during the process.› › If you are familiar with the Copy Files option, use the› short steps in the left column as reminders. Read the› descriptions on the right side if you wašÁcnt details about a› specific step.› › For this example, you will use the defaults provided by the› system. Optional changes to defaults, such as copying› directories or using two disk drives, wilšÁdl be discussed› later.› › NOTE:You will need a formatted disk with available space to› complete this operation.› › ACTION: DESCRIPTION:› › 1. Press [C] and [šÁeRETURN] Selects the Copy File option› from the File Access menu.› › ----------------------------------------› | COPY FILES |› | šÁf |› | CAUTION! |› | THIS OPERATION DESTROYS PROGRAM AREA |› | |› | PUSH START TO CONTINUE |› | PUSH SELECT TOšÁg STOP NOW |› ----------------------------------------› › › NOTE: This prompt appears the first time you use Copy Files› option during a session with DOS XE. If the program area› hašÁhs already been destroyed, the prompt will not appear.››››››› PAGE 34››››››››› › › 2. Press [START] This begins the copying› procedure. IfšÁi you do not wish› to use the Copy Files› operation, press [SELECT]› instead.› › › ---------------------------šÁj-------------› | CONTINUING |› | |› | COPY FROM WHAT FILE? |› ----------------------------------------› › › šÁk3. Enter the name of the Tells DOS XE which file to› file you want to copy copy. For example, enter› and press [RETURN]. WELCOME.BAS.› › › ----------------------------------------› šÁl | |› | COPY TO WHAT FILE? |› | |› ----------------------------------------› › › 4. Enter the name šÁmyou You must give the backup› want to give the copy a name. For this› copy, and press example, WELCOME.BAS is the› [RETURN]. filename.› › › -----šÁn-----------------------------------› | COPY SUBDIRECTORIES OR ONLY FILES? |› | SUBDIRECTORIES/FILES(S OR F)? F |› ----------------------------------------› › › 5. Press [RETURN]. šÁoCopies files only. You do not› need to type [F] since that› selection is provided by› default.› › › ---------šÁp-------------------------------› | VERIFY EACH NAME BEFORE PROCEDING? |› | VERIFY/NO VERIFY (V OR N)? V |› ----------------------------------------›››››››› PAGE 35››››››››› šÁq › › 6. Press [RETURN]. The verify prompt enables you› to confirm the filenames to be› copied.› › › -------------šÁr---------------------------› | ONE DRIVE,FILES ON SAME DISK? |› | SAME DISK/NOT SAME (S OR N)? N |› ----------------------------------------› › › 7. Press [RETURN]. Tells DOšÁsS XE that you are› copying from one disk to› another disk.› › ----------------------------------------› | PUT FROM DISK IN DRIVE 1 |› šÁt | |› | PUSH START TO CONTINUE |› | PUSH SELECT TO STOP NOW |› ----------------------------------------› › › 8. Insert the dišÁusk with Make sure you insert the› the file to be copied source disk correctly.› and press [START].› › › ----------------------------------------› | COPYING:WELCOME.BAS šÁv |› | PUSH START TO COPY THIS FILE |› | PUSH SELECT TO BYPASS IT |› ----------------------------------------› › › NOTE: This verification prompt is especially useful whenšÁw› copying with wildcards (discussed later), because it allows› you to bypass files which you may not want to copy but are› included in the group of files selected with the wildcards.››››››››››››››››› šÁx PAGE 36››››››››› › › 9. Press [START]. Confirms the name of the file› you wish to copy.› › › ----------------------------------------šÁy› | CONTINUING |› | |› | PUT TO DISK IN DRIVE 1 |› | |› | PUSH START TO CONTINUE šÁz |› | PUSH SELECT TO STOP NOW |› ----------------------------------------› › › WARNING: This is your last chance to bail out before the› new file is written to disk. If yšÁ{ou wish to stop the› procedure, press [SELECT].› › › 10.Insert the disk you Make sure the destination disk› are copying to and is not write-protected,› press [RETURN]. šÁ|…†‡ˆ‰Š‹ŒŽ‘’“”•–—˜™š›œžŸ ¡¢£¤¥¦§¨©ª«¬­®¯°±²³´µ¶·¸¹º»¼½¾¿ÀÁšÁ‚ otherwise it cannot receive› the file.› › › ----------------------------------------› | PUT FROM DISK IN DRIVE 1 |› | šÁ} |› | PUSH START TO CONTINUE |› | PUSH SELECT TO STOP NOW |› ----------------------------------------› › › 11.Press [START]. Because WELCOME.BAS is a› šÁ~ short file, you do not need› to reinsert the original› source disk. If you were› copying a longer file, yšÁou› might have had to repeat steps› 8 to 10 several times before› the entire file is copied to› thšÁ€e destination disk.› › › ----------------------------------------› | SELECT ITEM OR ESCAPE OR RETURN |› ----------------------------------------› › › This indicates that thšÁe copying procedure is finished. You› can select one of the following choices to continue:› ›››› PAGE 37››››››››› *To copy another file, press [C].› › *To return to the šÁ‚Main menu, press ESC].› › *To return to the File Access menu, press [RETURN].› › › Copying a File to the Same Disk.› › › If you want to make a backup copy of a file, but you wašÁƒnt› to keep it on the same disk, follow the above procedure,› with a couple of important exceptions.› › You cannot give the destination file the same name as the› source. If you are copying WELCOMEšÁ„.BAS, for example, you› could name the destination file HELLO.BAS. The only other› change will be in step 7, where you must enter [S] (same› disk) instead of accepting the default Value [N] (not the› same dišÁ…sk).› › The copy procedure will end following step 9.› › › Copying a File with Two Disk Drives.› › › To copy a file with two disk drives, follow the procedure› outlinešÁ†d in the COPYING A FILE section, with the exception› of steps 3 and 4. When you enter the filenames of the› source and destination files, you must add a pathname.› › › Example: Copy a file callešÁ‡d WELCOME.BAS from a disk in› drive 1 to a disk in drive 2.› › 1. Type D1>WELCOME.BAS the press [RETURN].› › 2. Change your response in step 4 to D2>WELCOME.BAS, then› press [RETURN].› šÁˆ › 3. Continue to respond to the prompts as you did in the› section on COPYING A FILE TO THE SAME DISK. You will be› told to insert the FROM disk (the source) in drive 1 and› the TO disk (the destinationšÁ‰) in drive 2.› › 4. Press [START] and DOS XE will copy the file in drive 1› to drive 2. You will not need to swap disks.› › 5. When DOS XE finishes, you can choose another option,› press [ESšÁŠC], or press [RETURN].››››››› PAGE 38››››››››› › › Copying Directories› › › You can use the Copy Files option to copy directories and› subdirectoriesšÁ‹, as well as files. This allows you to move a› directory into a subdirectory.› › In other words, you could copy a directory containing› business letters into a directory containing other letter› fišÁŒles. Your letter directory might already contain separate› subdirectories with letters to your sister and letters to a› friend named Ann.› › NOTE: When you copy a directory, you copy the directory and› allšÁ directories and files that it contains.› › When prompted to enter filenames, you must enter the› pathname of the directory you wish to copy, in this case› maybe D1>LETTERS.BUS and the destinationšÁŽ pathname› D2>LETTERS>. Then you need to change the default in step 5› to [S], telling DOS XE to copy subdirectories.› › You can change the defaults for the number of disk drives› as you would if you šÁwere copying files.› › The result would be a directory called LETTERS which would› contain subdirectories called LETTERS.SIS, LETTERS.ANN, and› the newly copied LETTERS.BUS.› › Copying a Group ofšÁ Files› › › By using wildcards in your filenames, you can copy a group› of files at the same time. For example, you could use› LETTERS.* to copy all of your letter files. (For more› išÁ‘nformation about wildcards, see WILDCARDS in CHAPTER 2).› › › Specify the wildcards when prompted foe the filename, then› follow the procedure outlined in this chapter, making› alterations for thešÁ’ number of disks, disk drives, and so› on.› › › NOTE: When copying with wildcards, keep Verify mode› enabled. This allows you to select the files you want to› copy by pressing [STARTšÁ“] and reject those you do not want› by pressing [SELECT]. Rejected files will remain on the› source disk or directory, but will not be copied to the› destination.› › ›››› šÁ” PAGE 39››››››››› Copying To and From Devices› › › DOS XE also makes it possible to copy files and directories› to devices such as a printer or serial port, as well as› copy them tošÁ• and from the screen editor.The procedure is› much the same as that outlined above. You must, however,› change the device name. In other words, instead of entering› the pathname, you can answer the COPY TO WHAT FILE? pšÁ–rompt› by typing P:. This copies the file to a printer and prints› it out.› › THe valid device names include› › *P: (printer)› › *E: (screen editor-display a file on screen)› šÁ— › *R: (serial port-send the file to a peripheral connected to› the serial port on your Atari computer, such as a serial› printer)› › › Although you cannot copy information from a pršÁ˜inter or› serial port (except for possible specific cases outlined in› your peripheral's manual), you can copy from the screen› editor. Entering E: as the FROM device name allows you to› copy the contents ofšÁ™ the screen editor to a disk file with› the filename you specify.› › For example, you can copy the contents of the screen editor› to a disk file named SCREEN by entering E: as the FROM file› and D1>SCREEN šÁšas the TO file. Press [RETURN].› › › WARNING: You must give the destination disk file as a name,› otherwise the data you save from the screen editor will be› irretrievable.› › The screešÁ›n goes blank, except for the cursor in the top› left corner. Simply type the information you want to save.› You could, for example, type the words, THIS IS THE› INFORMATION FOR THE SCREEN FILE. When you finisšÁœh typing,› press [CONTROL][3]. The data you typed will be saved to the› disk with the filename SCREEN.› › › To copy information from the screen editor to a printer,› follow the above steps, bušÁt instead of typing D1>SCREEN as› the destination file, enter P:. Type what you want to› print, then enter [CONTROL][3]. The information will print› out on your printer.› › ›››› šÁž PAGE 40››››››››› NOTE: You can type more than one screenful of data, but you› can only see the text that is currently on screen. You› cannot return to a previous section. However, everything› šÁŸ you typed will be copied to the disk or printer.› › › APPEND TO A FILE› › › This option adds a copy of one file (the source) onto the› end of another file (the destination). For exašÁ mple, start› with two files, one containing "DEF" and the other "ABC".› Append "DEF" (the source) onto "ABC" (the destination). THe› result will be an unchanged source file, "DEF", and a› destination file wšÁ¡hich now has "ABCDEF".› › › If you only have one disk drive, both the source and› destination files must be on the same disk.› › › You cannot append to a protected destination filešÁ¢.› › › Type [A] and press [RETURN]. DOS XE displays this prompt:› › › ----------------------------------------› | APPEND TO A FILE |› | šÁ£ |› | APPEND FROM WHAT FILE? |› ----------------------------------------› › › This prompt asks for the pathname of the source file. type› in the pathname and pressšÁ¤ [RETURN]. DOS XE displays the› following prompt:› › › ----------------------------------------› | |› | APPEND TO WHAT FILE? |› | šÁ¥ |› ----------------------------------------› › › This prompt asks for the pathname of the destination file.› Type in the pathname and press [RETURN].› › šÁ¦› Append does not destroy the program area and can be used to› copy small files, if desired. If the destination file does› not exist, it is created and the append becomes a copy.› When used this way, AppenšÁ§d creates a copy of a file but›››› PAGE 41››››››››› gives it a new creation date.› › › Example: Append letter 2 onto letter 1.› › › 1. Select [A] from šÁ¨the menu. This prompt appears:› › › ----------------------------------------› | APPEND TO A FILE |› | |› | APPEND FROM WHAT FILE? šÁ© |› ----------------------------------------› › › 2. Type D>LETTERS>LETTER2.BUS and press [RETURN]. You will› see the prompt:› › › ----------------------------------------› šÁª | |› | APPEND TO WHAT FILE? |› | |› ----------------------------------------› › › 3. Enter D>LEšÁ«TTERS>LETTER1.BUS and press [RETURN]. The› computer does its work.› › › › INITIALIZE DISK› › › Before a new disk can be used by your disk drive, it must› be initialšÁ¬ised. This option performs that procedure.› › › 1. Type [I] and press [RETURN]. DOS XE displays this› prompt:› › › ----------------------------------------› | INITIALIZEšÁ­ DISK |› | |› | WHAT DRIVE NUMBER? |› ----------------------------------------› › › 2. This prompt asks which disk drive šÁ®has the disk which is› to be initialised. Enter the drive number (no "D") and› press [RETURN]. DOS XE displays the following prompt:› ›››› PAGE 42››››››››› › ------šÁ¯----------------------------------› | DRIVE IS A(N)XF551 |› | |› | AVAILABLE DEVICE TYPES ARE |› | AT810 |› |šÁ° AT1050 |› | XF551 |› | SSDD |› | |› | CHOOSE ONE OF THE ABOVE DEVICE TYPES |› šÁ± | GIVE ITS NAME |› ----------------------------------------› › › 3. If the drive number is the RAM disk on a 130XE (See› CONFIGURING DOS XE in CHAPTER 2), DOS XE displašÁ²ys this› prompt instead of the one above:› › › ----------------------------------------› | DRIVE IS A(N) 130 RAM |› | |› | AVAILABLE šÁ³DEVICE TYPES ARE |› | 130RAM |› | |› | CHOOSE ONE OF THE ABOVE DEVICE TYPES |› | GIVE ITS NAME |› ---------šÁ´-------------------------------› › › 4. You can select any drive type shown in the list below:› › › AT810 - Single density, single sided disk drives.› AT1050- Dual density, single sšÁµided disk drives.› XF551 - Double density, double sided disk drives.› SSDD - 5 1/4 inch single sided, double density disk› drives.› 130RAM- The RAM disk in the Atari 130XE computer.› ›šÁ¶ › Type in the name and press [RETURN]. DOS XE displays this› prompt:› › › ----------------------------------------› | READY TO INITIALIZE DISK |› | šÁ· |› | PUSH START TO CONTINUE |› | PUSH SELECT TO STOP NOW |› ----------------------------------------› › ›››› PAGE 43››››šÁ¸››››› 5. This prompt is a safety check. Initialising a disk will› destroy any information on it. If you are certain the disk› is blank and you want to initialise it, press [START].› › After a short wašÁ¹it while DOS XE does its work, the disk› will be initialised and ready to use in disk.› ››››››››››››››››››››››››››››››››››››››››››››››››››› PAGE 44››››šÁºÄÅÆÇÈÉÊËÌÍÎÏÐÑÒÓÔÕÖ×ØÙÚÛÜÝÞßàáâãäåæçèéêëìíîïðñòóôõö÷øùúûüýþÿ      !"#$%&'()*+,-./0123456789:;<šÁ€››››› › › CHAPTER 5› › THE MACHINE LANGUAGE› ACCESS MENU› › › To enter the Machine Language Access menu from the Main› menu, typešÁ [M] and press [RETURN] . The Machine Language› Access menu appears on the screen.› › › ----------------------------------------› | DIRECTORY TODAY:20SE88 |› | D1> šÁ |› | ................................. |› | |› | DOS XE MACHINE LANGUAGE ACCESS MENU |› | |› | FILES LISTING šÁ |› | WORKING DIRECTORY |› | |› | RUN A BINARY FILE |› | LOAD A BINARY FILE(DO NOT RUN) |› | SAVE MEMORšÁY TO A BINARY FILE |› | APPEND MEMORY TO A BINARY FILE |› | DISPLAY MEMORY |› | CHANGE MEMORY |› | GO TO A MACHINE LANGUAGE PROGRAM |› | .....šÁ........................ |› | |› | |› | SELECT ITEM OR ESC FOR MAIN MENU: |› | |› --šÁ--------------------------------------› › › Below the pathname under the word DIRECTORY is the list of› options available in this menu. To select an option, press› the key corresponding to the highlightšÁed letter, and press› [RETURN]. The last line reminds you that you can return to› the Main menu by pressing [ESC].› › › After you execute an option, DOS XE displays this line:› › › šÁ ----------------------------------------› | |› | SELECT ITEM OR ESCAPE OR RETURN: |› | |› ----------------------------------------› šÁ ›››› PAGE 45››››››››› › This is a reminder that, although the current menu is not› displayed, you can press a letter and select an option from› it. You can also press šÁ [ESC] to return to the Main menu, or› press [RETURN] to display the current menu again.› › › OPTIONS› › › This section provides details on how to use each option› available šÁ in the Machine Language Access menu. Be sure to› read each section before attempting to execute an option.› › › Files Listing› › › This option gives a listing of the contents of a directšÁ ory.› It is available in all three menus. Detailed instructions› are contained in the File Access menu section of CHAPTER 4.› › › Working Directory› › This option lets you change youršÁ working directory. It is› available in all three menus. Detailed instructions are› contained in the File Access menu section of CHAPTER 4.› › › Run a Binary File› › › A binašÁ ry file is a special file format. This option loads a› binary file from a disk and runs it (if it has a run› address).› › › NOTE: This option does not work with programs which require› a lšÁanguage such as BASIC. You can only run BASIC programs› from BASIC, not from this option. (See BINARY FILES in› CHAPTER 7).› › › Type [R] and press [RETURN]. DOS XE displays this prompt:› › šÁ › ----------------------------------------› | RUN A BINARY FILE |› | |› | LOAD/RUN WHAT FILE? |› --------------------------šÁ--------------› › ›››› PAGE 46››››››››› Enter the pathname of the file you wish to run.› › › Example: Run a game called MAZE.BIN in the main directory› šÁ of the disk in drive 1.› › › 1. Select [R] from the Machine Language Access menu. The› following prompt appears on your screen:› › › ----------------------------------------› šÁ | RUN A BINARY FILE |› | |› | LOAD/RUN WHAT FILE? |› ----------------------------------------› › › 2. Enter D1>MAZE.BIN šÁand press [RETURN]. The file loads and› runs automatically.› › › Load a Binary File(Do Not Run)› › › This option loads a binary file, but does not run it.› › › šÁNOTE: This option does not work with programs which require› a language, as BASIC programs do.› › › Type [L] and press [RETURN]. DOS XE displays this prompt:› › › ------------------------šÁ----------------› | LOAD A BINARY FILE |› | |› | LOAD/RUN WHAT FILE? |› ----------------------------------------› › › šÁ The prompt asks for the pathname of the file you wish to› load into memory.› › › Example: Load a binary file called MAZE.BIN from the› current working directory, but do not run it.› ›šÁ › 1. Select [L] from the menu. This prompt appears:› ›››››› PAGE 47››››››››› › ----------------------------------------› | LOAD A BINARY FILE šÁ |› | |› | LOAD/RUN WHAT FILE? |› ----------------------------------------› › › 2. Enter MAZE.BIN and press [RETURN]. The file is loaded› šÁ into memory.› › › Save Memory to a Binary File› › › This option saves the information from a block of memory› into a binary file. It allows you to define an initialise› šÁ address and a run address.› › › A binary file can have a run address and/or an initialise› address. These addresses tell DOS XE how to run the› program. (See BINARY FILES in CHAPTER 7).› šÁ › › Enter the addresses in hexadecimal or, by preceding the› number with a number sign (#), in decimal notation.› › › Type [S] and press [RETURN]. DOS XE displays this prompt:› ›šÁ › ----------------------------------------› | SAVE MEMORY TO A BINARY FILE |› | |› | SAVE TO WHAT FILE? |› -------------------------šÁ---------------› › › This prompt asks for the pathname of the file to which the› memory data will be saved. Type in the pathname and press› [RETURN]. DOS XE will display this prompt:› › šÁ › ----------------------------------------› | START ADDRESS? |› ----------------------------------------› › › This prompt asks for the address of the beginning of the› šÁ block of memory to save. Enter the address and press› [RETURN]. DOS XE displays the following prompt:› › ›››› PAGE 48››››››››› ------------------------------------šÁ ----› | END ADDRESS? |› ----------------------------------------› › › This prompt asks for the end address of the block of memory› o save. Enter the address and pressšÁ! [RETURN]. DOS XE› displays the following prompt:› › › ----------------------------------------› | INITIALIZE ADDRESS? |› ----------------------------------------› › šÁ" › This prompt asks for the initialise address of the program.› If there is no address, press [RETURN]. If there is an› initialise address, enter it and press [RETURN]. DOS XE› displays the following šÁ#prompt:› › › ----------------------------------------› | RUN ADDRESS? |› ----------------------------------------› › › This prompt asks for the run addrešÁ$ss of the program. Enter› the address, if there is one, and press [RETURN]. If there› is no address, just press [RETURN].› › › Example 1: Page 6 (0600-06FF, #1536-#1791) is an area of› memory šÁ%used for many utilities. Save a routine in page 6 to› a file called UTILITY.BIN. Assume that the routine has no› initialise address and that the run address is the› beginning of the routine. We will use hexadecimšÁ&al notation.› › › 1. Select [S] from the menu. You see the following:› › › ----------------------------------------› | SAVE MEMORY TO A BINARY FILE |› | šÁ' |› | SAVE TO WHAT FILE? |› ----------------------------------------› › › 2. Enter D1>UTILITY.BIN and press [RETURN]. This prompt› appears on the screen:› šÁ( ››››››› PAGE 49››››››››› › ----------------------------------------› | START ADDRESS? |› ----------------------------------------› › šÁ) › 3. Enter 0600 and press [RETURN].› › › ----------------------------------------› | END ADDRESS? |› ----------------------------------------› › › šÁ* 4. Enter 06FF and press [RETURN].› › › ----------------------------------------› | INITIALIZE ADDRESS? |› ----------------------------------------› › › 5. šÁ+Press [RETURN].› › › ----------------------------------------› | RUN ADDRESS? |› ----------------------------------------› › › 6. Enter 0600 and press [REšÁ,TURN].› › › Example 2: This is the same thing done in decimal notation:› › › 1. Select [S] from the menu. You see the following:› › › -----------------------------------šÁ------› | SAVE MEMORY TO A BINARY FILE |› | |› | SAVE TO WHAT FILE? |› ----------------------------------------› › › 2. EntešÁ.r D1>UTILITY.BIN and press [RETURN]. This prompt› appears on the screen:› › › ----------------------------------------› | START ADDRESS? |› -------------------------------šÁ/---------› ›››› PAGE 50››››››››› › 3. Enter #1536 and press [RETURN].› › › ----------------------------------------› | END ADDRESS? šÁ0 |› ----------------------------------------› › › 4. Enter #1791 and press [RETURN].› › › ----------------------------------------› | INITIALIZE ADDRESS? |› šÁ1 ----------------------------------------› › › 5. Press [RETURN].› › › ----------------------------------------› | RUN ADDRESS? |› ---------------šÁ2-------------------------› › › 6. Enter #1536 and press [RETURN].› › › Append Memory To A Binary File› › › This option adds information from a block of memory onto› šÁ3 the end of an existing binary file. (See BINARY FILES in› CHAPTER 7). It lets you define both an initialise address› and a run address. Enter the addresses in hexadecimal or,› by preceding the number with a nšÁ4umber sign (#), in decimal.› › › Type [A] and press [RETURN]. DOS XE displays this prompt:› › › ----------------------------------------› | APPEND MEMORY TO A BINARY FILE |› šÁ5 | |› | APPEND TO WHAT FILE? |› ----------------------------------------› › › This prompt asks for the pathname of the file to which data› wilšÁ6l be appended. Type in the pathname and press [RETURN].› DOS XE displays the following prompt:› ›››››› PAGE 51››››››››› › ----------------------------------------› | šÁ7START ADDRESS? |› ----------------------------------------› › › This prompt asks for the address of the beginning of the› block of memory to be appended. Enter the address and press›šÁ8 [RETURN].› › If you want to append an initialise or run address and not› a block of memory, just press [RETURN].› › › If you do not enter a start address, DOS XE skips the next› šÁ9 prompt, otherwise it displays the following prompt› › › ----------------------------------------› | END ADDRESS? |› ----------------------------------------› › šÁ:› This prompt asks you for the address of the end of the› block of memory to be appended. Enter the address and press› [RETURN]. DOS XE displays the following prompt:› › › -------------------šÁ;---------------------› | INITIALIZE ADDRESS? |› ----------------------------------------› › › This prompt asks for the initialise address of the program.› If there is no addrešÁ<ss, press [RETURN]. If there is an› initialise address, enter it and press [RETURN]. DOS XE› displays the following prompt:› › › ----------------------------------------› | RUN ADDRESS? šÁ= |› ----------------------------------------› › › This prompt asks for the run address of the program. Enter› the address, if there is one, and press [RETURN]. If there› is no šÁ>address, just press [RETURN].› › › Example 1: LMARGN and RMARGN (52-53,#82-#83) set the left› and right margins for the screen display. By appending the› values in these locations to a program, the margšÁ?ins will be› automatically set when the program loads. We will append› the margins to a utility program named UTILITY.BIN. Since›››› PAGE 52››››››››› this is not a program, it doesšÁ@ not have initialisation or› run addresses. We will use hexadecimal notation.› › › 1. Select [A] from the menu. You will see this prompt:› › › ----------------------------------------› šÁA | APPEND MEMORY TO A BINARY FILE |› | |› | APPEND TO WHAT FILE? |› ----------------------------------------› › › 2. Enter D1>UTILIšÁBTY.BIN and press [RETURN].› › › ----------------------------------------› | START ADDRESS? |› ----------------------------------------› › › 3. Enter 52 and šÁCpress [RETURN].› › › ----------------------------------------› | END ADDRESS? |› ----------------------------------------› › › 4. Enter 53 and press [RETUšÁDRN].› › › ----------------------------------------› | INITIALIZE ADDRESS? |› ----------------------------------------› › › 5. Press [RETURN].› › šÁE › ----------------------------------------› | RUN ADDRESS? |› ----------------------------------------› › › 6. Press [RETURN]. The computer appends the memory to the› šÁF file.› › › Example 2: This is the same thing, this time done in› decimal notation:› › ›››› PAGE 53››››››››› 1. Select [A] from the menu.šÁG You will see this prompt:› › › ----------------------------------------› | APPEND MEMORY TO A BINARY FILE |› | |› | APPEND TO WHAT FILE? šÁH |› ----------------------------------------› › › 2. Enter D1>UTILITY.BIN and press [RETURN].› › › ----------------------------------------› | START ADDRESS? šÁI |› ----------------------------------------› › › 3. Enter #82 and press [RETURN].› › › ----------------------------------------› | END ADDRESS? |› šÁJ ----------------------------------------› › › 4. Enter #83 and press [RETURN].› › › ----------------------------------------› | INITIALIZE ADDRESS? |› ------šÁK----------------------------------› › › 5. Press [RETURN].› › › ----------------------------------------› | RUN ADDRESS? |› ------------------------------šÁL----------› › › 6. Press [RETURN] and the computer does its job.› › › Display Memory› › › This option displays the contents of memory locations in› your comšÁMputer. The contents are displayed in hexadecimal› numbers and ATASCII characters. You can enter the addresses› in hexadecimal or, by preceding the number with the number› sign (#), in decimal notation. (See examples.)› šÁN ›››› PAGE 54››››››››› › Type [D] and press [RETURN]. DOS XE displays the following› prompt:› › › ----------------------------------------› | šÁO DISPLAY MEMORY |› | |› | START ADDRESS? |› ----------------------------------------› › › This prompt asks for thšÁPe start address of the block of› memory you want to see. Enter the address and press› [RETURN]. DOS XE displays the following prompt:› › › ----------------------------------------› | ENšÁQD ADDRESS? |› ----------------------------------------› › › This prompt asks for the address of the end of the block of› memory you want to see. Enter the address and press› šÁR [RETURN]. If you want to see fewer than eight address› locations, you can press [RETURN] without entering an› address. DOS XE displays a line like the following:› › › ------------------šÁS----------------------› | |› | 0006 00 FF 00 01 3B 27 24 27....;'$' |› | |› ----------------------------------------› › › šÁT There will be more lines for larger blocks of memory. Each› line displays the contents of eight memory locations. All› numbers are displayed in hexadecimal.› › › THe first number is the startišÁUng address for the line. The› next eight numbers are the values in the next eight memory› locations. The last eight figures are the contents of the› same eight addresses displayed as ATASCII characters.› IšÁVnverse video characters are shown in normal video and› editing characters are shown as periods (full stops).› › › If the block of memory is too large to fit on the screen,› the screen will scrollšÁW. To pause the scroll, hold down› [CONTROL] and press [1]. It can be restarted again by› typing [CONTROL][1]. The scroll can be interrupted by› pressing [BREAK].›››› PAGE 55šÁX››››››››› › › Example 1: Display the value of MEMLO (02E7-02E8,› #743-#744) using hexadecimal addresses.› › › 1. Select [D] from the menu. You will see this prompt:› › šÁY › ----------------------------------------› | DISPLAY MEMORY |› | |› | START ADDRESS? |› --------------------------šÁZ--------------› › › 2. Enter 02E7 and press [RETURN].› › › ----------------------------------------› | END ADDRESS? |› -----------------------------------šÁ[-----› › › 3. Press [RETURN]. The memory is displayed on the screen.› › › Example 2: Display the values in the Atari color registers› (02C0-02C8, #704-#712) using decimal addresses.› šÁ\ › › 1. Select [D]. The following prompt appears:› › › ----------------------------------------› | DISPLAY MEMORY |› | |› šÁ] | START ADDRESS? |› ----------------------------------------› › › 2. Enter #704 and press [RETURN].› › › ----------------------------------------› |šÁ^ END ADDRESS? |› ----------------------------------------› › › 3. Enter #712 and press [RETURN]. The memory is displayed› on the screen.› ›››››› šÁ_ PAGE 56››››››››› › Change Memory› › › This option permits you to change the values in your› computer's memory. You can enter the the address of the› location to chšÁ`ange in hexadecimal or, by preceding the› number with the number sign (#), in decimal notation. (See› examples.)› › › WARNING: Incorrect memory changes can cause the computer to› lock up or cršÁaash. You may need to reboot to recover.› › › Type [C] and press [RETURN]. DOS XE displays this prompt:› › › ----------------------------------------› | CHANGE MEMORY šÁb |› | |› | START ADDRESS? |› ----------------------------------------› › › This prompt asks for the address of the first memory› šÁc location you want to change. Enter the address and press› [RETURN]. DOS XE displays a line similar to the following:› › › ----------------------------------------› | šÁd |› | 006A A0 NEW DATA? |› | |› ----------------------------------------› › › The first number is the address you entered in hexadšÁeecimal› notation; the next is the contents of that address.› › › The prompt "NEW DATA?" asks what you want to change the› value to. Enter the new value and press [RETURN]. DOS XE› displays šÁfa line similar to the following:› › ----------------------------------------› | |› | 060B 28 NEW DATA? |› | |› šÁg ----------------------------------------› › › This line is for the next address location. You can change› it, as above, and DOS XE will display the next location. If›››› šÁh PAGE 57››››››››› you do not want to change it, but want to go on to the next› location, type an asterisk (*) and press [RETURN]. If you› want to return to the menu, just press [RETURN].› › › ExšÁiample: Change the value in LMARGN(0052, #82) to set the› left margin of the screen to 0.› › › 1. Select [C] from the menu. You will see the following› prompt:› › › --------šÁj--------------------------------› | CHANGE MEMORY |› | |› | START ADDRESS? |› ----------------------------------------› › šÁk › 2. Enter 52 and press [RETURN].› › › ----------------------------------------› | |› | 0052 02 NEW DATA |› | šÁl |› ----------------------------------------› › › 3. Enter 0 and press [RETURN].› › › ----------------------------------------› | šÁm |› | 0053 27 NEW DATA |› | |› ----------------------------------------› › › 4. Press [RETURN]. The left margin on your screen šÁnshifts to› the edge of the display area.› › › NOTE: To return to normal, follow the above process, but› enter 02 in response to the 0052 00 NEW DATA? prompt. All› other values remain the samešÁo.› › › Go to a Machine Language Program› › › This option runs a program which is already in memory.› ›››› PAGE 58››››››››› › Type [GšÁp] and press [RETURN]. DOS XE displays the following› prompt:› › › ----------------------------------------› | GO TO A MACHINE LANGUAGE PROGRAM |› | |› šÁq | START ADDRESS? |› ----------------------------------------› › › This prompt asks for the start address of the program. This› is usually the run address, but you may start atšÁr another› point. Enter the address and press [RETURN]. If you enter› an asterisk instead of an address, DOS XE uses the run› address in RUNAD(02E0-02E1, #736-#737). If the run address› has been corrupted,šÁs the last program loaded by LOAD A› BINARY FILE(DO NOT RUN) will run.› › › WARNING: An incorrect start address can cause the computer› to lock up or crash. You may need to reboot to recover.› šÁt › › Example: Run BASIC (start address=A000, #40960). This will› only work if BASIC is enabled.› › › 1. Select [G] from the menu. This prompt appears:› › › -----------šÁu-----------------------------› | GO TO A MACHINE LANGUAGE PROGRAM |› | |› | START ADDRESS? |› ----------------------------------------› › šÁv › 2. Enter A000 and press [RETURN]. The READY prompt appears.› You are now in BASIC .› › › 3. To return to DOS XE , type [D][O][S]. You are now back› at the main menu.› › šÁw››››››››››› PAGE 59››››šÁx