31 lines
604 B
NASM
31 lines
604 B
NASM
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; eject command
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shell_diskrm_command_string: data.str "diskrm" data.8 0
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shell_diskrm_command:
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call shell_parse_arguments
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mov r1, 10
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call string_to_int
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; r0: disk ID
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; check if it's in range
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cmp r0, 3
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ifgt jmp shell_diskrm_command_out_of_range
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; OR it with the IO port to remove a disk
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or r0, 0x80005000
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; remove disk
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out r0, 0
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ret
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shell_diskrm_command_out_of_range:
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mov r0, shell_diskrm_command_out_of_range_string
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call print_str_to_terminal
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ret
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shell_diskrm_command_out_of_range_string: data.str "invalid disk ID" data.8 10 data.8 0
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