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;
; Ullrich von Bassewitz, 17.05.2000
;
; int __fastcall__ _osmaperrno (unsigned char oserror);
;
.export __osmaperrno
.include "errno.inc"
__osmaperrno:
ldx #ErrTabSize
: cmp ErrTab-2,x ; Search for the error code
beq :+ ; Jump if found
dex
dex
bne :- ; Next entry
; Code not found, return EUNKNOWN
lda #<EUNKNOWN
ldx #>EUNKNOWN
rts
; Found the code
: lda ErrTab-1,x
ldx #$00 ; High byte always zero
rts
.rodata
ErrTab: .byte $01, ENOSYS ; Bad system call number
.byte $04, EINVAL ; Bad system call parameter count
.byte $25, ENOMEM ; Interrupt table full
.byte $27, EIO ; I/O error
.byte $28, ENODEV ; No device connected
.byte $2B, EACCES ; Disk write protected
; .byte $2E, EUNKNOWN ; Disk switched
.byte $2F, ENODEV ; Device off-line
.byte $40, EINVAL ; Invalid pathname
.byte $42, EMFILE ; Maximum number of files open
.byte $43, EINVAL ; Invalid reference number
.byte $44, ENOENT ; Directory not found
.byte $45, ENOENT ; Volume not found
.byte $46, ENOENT ; File not found
.byte $47, EEXIST ; Duplicate filename
.byte $48, ENOSPC ; Volume full
.byte $49, ENOSPC ; Volume directory full
.byte $4A, ENOEXEC ; Incompatible file format
.byte $4B, EINVAL ; Unsupported storage_type
; .byte $4C, EUNKNOWN ; End of file encountered
.byte $4D, ESPIPE ; Position out of range
.byte $4E, EACCES ; File access error
.byte $50, EINVAL ; File is open
; .byte $51, EUNKNOWN ; Directory structure damaged
.byte $52, ENODEV ; Not a ProDOS volume
.byte $53, ERANGE ; Invalid system call parameter
.byte $55, EMFILE ; Volume Control Block table full
.byte $56, EINVAL ; Bad buffer address
; .byte $57, EUNKNOWN ; Duplicate volume
; .byte $5A, EUNKNOWN ; File structure damaged
ErrTabSize = (* - ErrTab)
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