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@ -11,14 +11,31 @@ disk_read: |
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; data pointer: es:bx (standard) |
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int BIOS_DISK_INT ; do the interrupt |
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jc disk_error ; if flag is set then jump to error |
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jc read_error ; if flag is set then jump to error |
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disk_error: |
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mov bx, DISK_ERROR |
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pop dx |
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cmp al, dh |
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jne sector_error |
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popa |
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ret |
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sector_error: |
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mov bx, sector_error_string |
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call println |
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read_error: |
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mov bx, read_error_string |
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call println |
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pusha |
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mov dh, ah |
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call hex_to_ascii |
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call println |
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popa |
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disk_loop: |
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jmp $ |
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DISK_ERROR: db "Disk read error", ASCII_END |
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SECTORS_ERROR: db "Invalid number of sectors read", ASCII_END |
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read_error_string: db "Disk read error", ASCII_END |
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sector_error_string: db "Invalid number of sectors read", ASCII_END |
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