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cc65/libsrc/atari/oserror.s

105 lines
5.4 KiB
ArmAsm

;
; Christian Groessler, May-2000
;
; os specific error code mapping
; int __fastcall__ __osmaperrno (unsigned char oserror);
;
.include "errno.inc"
.export ___osmaperrno
.proc ___osmaperrno
cmp #$80 ; error or success
bcs errcode ; error, jump
lda #0 ; no error, return 0
tax
rts
errcode:and #$7f ; create index from error number
tax
cpx #MAX_OSERR_VAL ; valid number?
bcs inverr ; no
lda maptable,x
ldx #0
rts
inverr: lda #<EUNKNOWN
ldx #>EUNKNOWN
rts
.endproc
.rodata
maptable:
.byte EINTR ;BRKABT = 128 ;($80) BREAK key abort
.byte EBUSY ;PRVOPN = 129 ;($81) IOCB already open error
.byte ENODEV ;NONDEV = 130 ;($82) nonexistent device error
.byte EACCES ;WRONLY = 131 ;($83) IOCB opened for write only error
.byte ENOSYS ;NVALID = 132 ;($84) invalid command error
.byte EINVAL ;NOTOPN = 133 ;($85) device/file not open error
.byte EINVAL ;BADIOC = 134 ;($86) invalid IOCB index error
.byte EACCES ;RDONLY = 135 ;($87) IOCB opened for read only error
.byte EINVAL ;EOFERR = 136 ;($88) end of file error (should never come,
; specially handled by read.s)
.byte EIO ;TRNRCD = 137 ;($89) truncated record error
.byte EIO ;TIMOUT = 138 ;($8A) peripheral device timeout error
.byte EIO ;DNACK = 139 ;($8B) device does not acknowledge command
.byte EIO ;FRMERR = 140 ;($8C) serial bus framing error
.byte EINVAL ;CRSROR = 141 ;($8D) cursor out of range error
.byte EIO ;OVRRUN = 142 ;($8E) serial bus data overrun error
.byte EIO ;CHKERR = 143 ;($8F) serial bus checksum error
.byte EIO ;DERROR = 144 ;($90) general device failure
.byte EINVAL ;BADMOD = 145 ;($91) bad screen mode number error
.byte ENOSYS ;FNCNOT = 146 ;($92) function not implemented in handler
.byte ENOMEM ;SCRMEM = 147 ;($93) insufficient memory for screen mode
; codes below taken from "Mein Atari Computer" (german version of "Your Atari Computer")
; also SpartaDOS codes from http://www.atari-central.com/programming/cio_errors.txt
; MyDOS and XDOS codes from Stefan Haubenthal
.byte EUNKNOWN ; 148 - [SpartaDOS] unrecognized disk format
.byte EUNKNOWN ; 149 - [SpartaDOS] disk created by incompatible version of SD
.byte EBUSY ; 150 - serial port already open
; [SpartaDOS] directory not found
.byte EACCES ; 151 - concurrent mode I/O not enabled (serial)
; [SpartaDOS] file exists
.byte EINVAL ; 152 - invalid buffer address for concurrent mode
; [SpartaDOS] not binary format
.byte EAGAIN ; 153 - concurrent mode enabled (and another access tried)
.byte EACCES ; 154 - concurrent mode I/O not active (serial)
; [SpartaDOS X] loader symbol not defined
.byte EUNKNOWN ; 155 - haven't found documentation
.byte EUNKNOWN ; 156 - [SpartaDOS X] bad parameter
.byte EUNKNOWN ; 157 - haven't found documentation
.byte EUNKNOWN ; 158 - [SpartaDOS X] out of memory
.byte EUNKNOWN ; 159 - haven't found documentation
.byte ENOENT ; 160 - drive number error (DOS)
.byte EMFILE ; 161 - too many open files
.byte ENOSPC ; 162 - disk full
.byte EIO ; 163 - unrecoverable system data I/O error
.byte ESPIPE ; 164 - file number mismatch (inv. seek or disk data strucs damaged)
.byte ENOENT ; 165 - invalid file name (e.g. lowercase)
.byte ESPIPE ; 166 - point data length error
.byte EACCES ; 167 - file locked (read-only)
.byte ENOSYS ; 168 - command invalid for disk
.byte ENOSPC ; 169 - directory full
.byte ENOENT ; 170 - file not found
.byte ESPIPE ; 171 - point command invalid
.byte EEXIST ; 172 - [MYDOS] already exists in parent directory
.byte EUNKNOWN ; 173 - bad disk - format couldn't complete
.byte EUNKNOWN ; 174 - [MYDOS] directory not in parent directory
.byte EUNKNOWN ; 175 - [MYDOS] directory not empty
.byte EUNKNOWN ; 176 - [DOS 3] incompatible file system
.byte EUNKNOWN ; 177 - haven't found documentation
.byte EUNKNOWN ; 178 - haven't found documentation
.byte EUNKNOWN ; 179 - haven't found documentation
.byte ENOEXEC ; 180 - not a binary file
.byte EUNKNOWN ; 181 - [MYDOS] invalid address range
.byte EUNKNOWN ; 182 - [XDOS] invalid parameter
.byte EINVAL ; 183 - dummy (used by cc65 rtl, see sysremove.s)
MAX_OSERR_VAL = (* - maptable)