Floppy Disk Controller: Difference between revisions
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=== Accessing Floppies in Real Mode === |
=== Accessing Floppies in Real Mode === |
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For bootloaders or OSes that run with the CPU remaining in [[Real Mode]], use [[BIOS |
For bootloaders or OSes that run with the CPU remaining in [[Real Mode]], use [[BIOS#BIOS functions|BIOS Function]] |
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INT13h AH=2 (read) or AH=3 (write) to access floppy drives. You need to know the "drive number" (typically 0 or 1), and put that value in DL. |
INT13h AH=2 (read) or AH=3 (write) to access floppy drives. You need to know the "drive number" (typically 0 or 1), and put that value in DL. |
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More detailed info can be found in the [[ATA in x86 RealMode (BIOS)]] article, because accessing a floppy is identical to accessing a hard disk |
More detailed info can be found in the [[ATA in x86 RealMode (BIOS)]] article, because accessing a floppy is identical to accessing a hard disk |
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