49 lines
1.8 KiB
Plaintext
49 lines
1.8 KiB
Plaintext
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---------------------------------------
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[Ctrl-S pauses/Space=quit]
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1
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0
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WHENEVER YOU INITIALIZE A BLANK DISK, A COPY OF DOS IS WRITTEN ONTO IT.
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THIS ENSURES THAT THE DISK IS BOOTABLE. BUT SOME DISKS ARE NEVER BOOTED.
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THEY'RE USED ONLY TO STORE PROGRAMS, TEXT FILES OR OTHER DATA. IF DOS COULD
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BE ELIMINATED FROM THESE DISKS, YOU'D GAIN EXTRA STORAGE SPACE FOR OTHER FILES.
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SUCH A DOS-LESS DISK CAN BE CREATED VERY EASILY. THE METHOD DESCRIBED
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BELOW WAS POSTED ON COMPUSERVE BY BILL STEINBERG, A MEMBER OF THE APPLE
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INTEREST GROUP OVER THERE. THE PROCEDURE WORKS WITH ANY 48K APPLE II WITH
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DOS 3.3.
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FIRST, BOOT ANY STANDARD APPLE DOS DISK IN ORDER TO LOAD DOS INTO MEMORY.
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IF A HELLO PROGRAM RAN, EXIT IT AND GET INTO APPLESOFT. NOW TYPE IN THE
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FOLLOWING SIX POKES:
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POKE -20734, 234
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POKE -20733, 234
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POKE -20732, 234
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(THOSE POKES PREVENT DOS FROM BEING WRITTEN TO THE DISK DURING THE INIT
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PROCESS.)
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POKE -20813, 4
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(CLEARS THE VTOC SECTOR BIT MAP DOWN TO TRACK 1 INSTEAD OF TRACK 3.)
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POKE -23188, 208
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POKE -23187, 3
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(EXITS THE INIT ROUTINE WITHOUT SAVING A HELLO PROGRAM.)
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THAT'S ALL. NOW INITIALIZE A BLANK DISK USING THE INIT COMMAND. (DON'T
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TRY THIS ON A DISK WHICH ALREADY CONTAINS DATA!) THE NEWLY INITIALIZED DISK
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WILL NOT BE ABLE TO BOOT, BUT IT WILL PROVIDE 2 TRACKS (32 SECTORS) OF EXTRA
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SPACE FOR PROGRAMS OR OTHER FILES. YOU MAY WISH TO LABEL SUCH DISKS AS
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"DATA DISKS" OR "NON-BOOTABLE" OR SOMETHING SIMILAR. TO USE THESE DISKS
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IN THE FUTURE, YOU MERELY LOAD DOS INTO YOUR APPLE WITH A REGULAR, BOOTABLE
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DISK, THEN INSERT ONE OF YOUR DOS-LESS DISKS TO LOAD OR SAVE FILES ON IT
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AS YOU WOULD WITH ANY OTHER DISK.
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---------------------------------------
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Enter (1-10, M=Menu, Q=Quit) :
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