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86 lines
3.1 KiB
ArmAsm
86 lines
3.1 KiB
ArmAsm
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;
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; Christian Groessler, May-2000
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;
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; os specific error code mapping
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; int __fastcall__ _osmaperrno (unsigned char oserror);
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;
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.include "../common/errno.inc"
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.export __osmaperrno
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.proc __osmaperrno
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cmp #$80 ; error or success
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bcs errcode ; error, jump
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lda #0 ; no error, return 0
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tax
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rts
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errcode:and #$7f ; create index from error number
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tax
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cpx #MAX_OSERR_VAL ; valid number?
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bcs inverr ; no
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lda maptable,x
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ldx #0
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rts
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inverr: lda #<EUNKNOWN
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ldx #>EUNKNOWN
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rts
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.endproc
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.rodata
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maptable:
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.byte EINTR ;BRKABT = 128 ;($80) BREAK key abort
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.byte EBUSY ;PRVOPN = 129 ;($81) IOCB already open error
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.byte ENODEV ;NONDEV = 130 ;($82) nonexistent device error
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.byte EACCES ;WRONLY = 131 ;($83) IOCB opened for write only error
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.byte ENOSYS ;NVALID = 132 ;($84) invalid command error
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.byte EINVAL ;NOTOPN = 133 ;($85) device/file not open error
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.byte EINVAL ;BADIOC = 134 ;($86) invalid IOCB index error
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.byte EACCES ;RDONLY = 135 ;($87) IOCB opened for read only error
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.byte EINVAL ;EOFERR = 136 ;($88) end of file error (should never come,
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; specially handled by read.s)
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.byte EIO ;TRNRCD = 137 ;($89) truncated record error
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.byte EIO ;TIMOUT = 138 ;($8A) peripheral device timeout error
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.byte EIO ;DNACK = 139 ;($8B) device does not acknowledge command
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.byte EIO ;FRMERR = 140 ;($8C) serial bus framing error
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.byte EINVAL ;CRSROR = 141 ;($8D) cursor overrange error
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.byte EIO ;OVRRUN = 142 ;($8E) serial bus data overrun error
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.byte EIO ;CHKERR = 143 ;($8F) serial bus checksum error
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.byte EIO ;DERROR = 144 ;($90) device done (operation incomplete)
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.byte EINVAL ;BADMOD = 145 ;($91) bad screen mode number error
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.byte ENOSYS ;FNCNOT = 146 ;($92) function not implemented in handler
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.byte ENOMEM ;SCRMEM = 147 ;($93) insufficient memory for screen mode
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; codes below taken from "Mein Atari Computer" (german version of "Your Atari Computer")
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.byte EUNKNOWN ; 148 - haven't found documentation
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.byte EUNKNOWN ; 149 - haven't found documentation
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.byte EBUSY ; 150 - serial port already open
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.byte EACCES ; 151 - concurrent mode I/O not enabled (serial)
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.byte EINVAL ; 152 - invalid buffer address for concurrent mode
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.byte EAGAIN ; 153 - concurrent mode enabled (and another access tried)
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.byte EACCES ; 154 - concurrent mode I/O not active (serial)
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.byte EUNKNOWN ; 155 - haven't found documentation
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.byte EUNKNOWN ; 156 - haven't found documentation
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.byte EUNKNOWN ; 157 - haven't found documentation
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.byte EUNKNOWN ; 158 - haven't found documentation
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.byte EUNKNOWN ; 159 - haven't found documentation
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.byte ENOENT ; 160 - drive number error (DOS)
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.byte EMFILE ; 161 - too many open files
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.byte ENOSPC ; 162 - disk full
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.byte EIO ; 163 - unrecoverable system data I/O error
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.byte ESPIPE ; 164 - file number mismatch (inv. seek or disk data strucs damaged)
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.byte ENOENT ; 165 - invalid file name (e.g. lowercase)
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.byte ESPIPE ; 166 - point data length error
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.byte EACCES ; 167 - file locked (read-only)
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.byte ENOSYS ; 168 - command invalid
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.byte ENOSPC ; 169 - directory full
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.byte ENOENT ; 170 - file not found
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.byte ESPIPE ; 171 - point command invalid
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MAX_OSERR_VAL = (* - maptable)
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