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83 lines
2.9 KiB
ArmAsm
83 lines
2.9 KiB
ArmAsm
;
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; 2000-05-17, Ullrich von Bassewitz
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; 2014-05-28, Greg King
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;
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; int __fastcall__ _osmaperrno (unsigned char oserror);
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; /* Map a system-specific error into a system-independent code. */
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;
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.include "errno.inc"
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.code
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__osmaperrno:
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ldx #ErrTabSize
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@L1: cmp ErrTab-2,x ; Search for the error code
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beq @L2 ; Jump if found
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dex
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dex
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bne @L1 ; Next entry
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; Code not found, return EUNKNOWN
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lda #<EUNKNOWN
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ldx #>EUNKNOWN
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rts
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; Found the code
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@L2: lda ErrTab-1,x
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ldx #$00 ; High byte always zero
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rts
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.rodata
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ErrTab:
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.byte 1, EMFILE ; Too many open files
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.byte 2, EINVAL ; File is open
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.byte 3, EINVAL ; File not open
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.byte 4, ENOENT ; File not found
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.byte 5, ENODEV ; Device not present
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.byte 6, EINVAL ; File not input
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.byte 7, EINVAL ; File not output
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.byte 8, EINVAL ; Filename missing
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.byte 9, ENODEV ; Illegal device
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.byte 20, EBUSY ; No sector header
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.byte 21, EBUSY ; No sync mark
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.byte 22, EIO ; No sector data
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.byte 23, EIO ; Checksum error
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.byte 24, EIO ; Decode error
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.byte 25, EIO ; Verify error
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.byte 26, EACCES ; Write protected
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.byte 27, EIO ; Checksum error
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.byte 28, EIO ; Write overrun
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.byte 29, EBUSY ; Disk ID mismatch
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.byte 30, EINVAL ; Command not recognized
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.byte 31, ENOSYS ; Command not implemented
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.byte 32, EINVAL ; Command too long
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.byte 33, EINVAL ; Invalid write filename
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.byte 34, EINVAL ; No file given
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.byte 39, ENOENT ; System file not found
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.byte 49, EACCES ; Invalid format
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.byte 50, ESPIPE ; Record not present
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.byte 51, ENOSPC ; Overflow in record
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.byte 52, ENOSPC ; File too large
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.byte 60, EBUSY ; Write file open
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.byte 61, EINVAL ; File not open
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.byte 62, ENOENT ; File not found
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.byte 63, EEXIST ; File exists
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.byte 64, EINVAL ; File type mismatch
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.byte 65, ESPIPE ; No block
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.byte 66, EINVAL ; Illegal track or sector
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.byte 67, EIO ; Illegal system track or sector
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.byte 70, EBUSY ; No channel
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.byte 71, EIO ; BAM error
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.byte 72, ENOSPC ; Disk full
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.byte 73, EACCES ; DOS version mismatch
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.byte 74, ENODEV ; Drive not ready
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.byte 75, EIO ; Format error
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.byte 77, EINVAL ; Illegal partition
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.byte 78, EIO ; Bad system area
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ErrTabSize = (* - ErrTab)
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