36 lines
516 B
PHP
36 lines
516 B
PHP
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;; File: floppy.inc
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CMOS_FLOPPY_TYPE = 0x10
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FLOPPY_NONE = 0x0
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FLOPPY_360KB = 0x1
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FLOPPY_1_2MB = 0x2
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FLOPPY_720KB = 0x3
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FLOPPY_1_44MB = 0x4
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FLOPPY_2_88MB = 0x5
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floppy_probe:
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mov al, CMOS_FLOPPY_TYPE
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out CMOS_COMMAND, al
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in al, CMOS_DATA
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mov ah, al
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and al, 0x0F
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and ah, 0xF0
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or al, al
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jz @f
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push ax
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mov esi, szMsgFloppy1Found
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call klog
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pop ax
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@@:
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or ah, ah
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jz @f
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mov esi, szMsgFloppy0Found
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call klog
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@@:
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ret
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szMsgFloppy0Found db "floppy0: Found", 0
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szMsgFloppy1Found db "floppy1: Found", 0
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