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63 lines
2.0 KiB
ArmAsm
63 lines
2.0 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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;
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.export __osmaperrno
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.include "errno.inc"
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__osmaperrno:
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ldx #ErrTabSize
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: cmp ErrTab-2,x ; Search for the error code
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beq :+ ; Jump if found
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dex
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dex
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bne :- ; 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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: 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: .byte $01, ENOSYS ; Bad system call number
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.byte $04, EINVAL ; Bad system call parameter count
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.byte $25, ENOMEM ; Interrupt table full
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.byte $27, EIO ; I/O error
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.byte $28, ENODEV ; No device connected
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.byte $2B, EACCES ; Disk write protected
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; .byte $2E, EUNKNOWN ; Disk switched
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.byte $2F, ENODEV ; Device off-line
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.byte $40, EINVAL ; Invalid pathname
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.byte $42, EMFILE ; Maximum number of files open
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.byte $43, EINVAL ; Invalid reference number
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.byte $44, ENOENT ; Directory not found
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.byte $45, ENOENT ; Volume not found
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.byte $46, ENOENT ; File not found
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.byte $47, EEXIST ; Duplicate filename
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.byte $48, ENOSPC ; Volume full
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.byte $49, ENOSPC ; Volume directory full
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; .byte $4A, EUNKNOWN ; Incompatible file format
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.byte $4B, EINVAL ; Unsupported storage_type
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; .byte $4C, EUNKNOWN ; End of file encountered
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.byte $4D, ESPIPE ; Position out of range
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.byte $4E, EACCES ; File access error
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.byte $50, EINVAL ; File is open
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; .byte $51, EUNKNOWN ; Directory structure damaged
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.byte $52, ENODEV ; Not a ProDOS volume
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.byte $53, ERANGE ; Invalid system call parameter
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.byte $55, EMFILE ; Volume Control Block table full
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.byte $56, EINVAL ; Bad buffer address
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; .byte $57, EUNKNOWN ; Duplicate volume
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; .byte $5A, EUNKNOWN ; File structure damaged
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ErrTabSize = (* - ErrTab)
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