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79 lines
2.2 KiB
ArmAsm
79 lines
2.2 KiB
ArmAsm
;
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; Ullrich von Bassewitz, 17.05.2000
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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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.export __osmaperrno
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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 EINVAL
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lda #<EINVAL
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ldx #>EINVAL
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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 ; Ilegal device
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; .byte 20, ; Read error
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; .byte 21, ; Read error
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; .byte 22, ; Read error
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; .byte 23, ; Read error
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; .byte 24, ; Read error
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; .byte 25, ; Write error
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.byte 26, EACCES ; Write protect on
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; .byte 27, ; Read error
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; .byte 28, ; Write error
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; .byte 29, ; Disk ID mismatch
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; .byte 30, ; Syntax error
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; .byte 31, ; Syntax error
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; .byte 32, ; Syntax error
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.byte 33, EINVAL ; Syntax error (invalid file name)
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.byte 34, EINVAL ; Syntax error (no file given)
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; .byte 39, ; Syntax error
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; .byte 50, ; Record not present
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; .byte 51, ; Overflow in record
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; .byte 52, ; File too large
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.byte 60, EINVAL ; 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, ; No block
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; .byte 66, ; Illegal track or sector
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; .byte 67, ; Illegal system track or sector
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.byte 70, EBUSY ; No channel
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; .byte 71, ; Directory error
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; .byte 72, ; Disk full
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; .byte 73, ; DOS version mismatch
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.byte 74, ENODEV ; Drive not ready
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ErrTabSize = (* - ErrTab)
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