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cc65/libsrc/cbm/oserror.s

83 lines
2.9 KiB
ArmAsm

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