moved from dev to prod

devtools/gbe/include/codecerr.lst

@@ -0,0 +1,49 @@
+' error codes for all codecs, returned via imageinfo->thumbnail
+' note: 2 to 9 are not used, we start at 10
+'
+' if negative it's a standard gemdos error code
+' if positive it's related the content of the file
+'
+'
+' standard gemdos error codes, these are just here for my reference
+' codecs return gemdos error codes where it makes sense
+LET ec_fwrite&=-10      !fwrite failed, size in/out didn't match, or negative error code
+LET ec_fread&=-11       !fread failed, size in/out didn't match, or negative error code
+LET ec_fopen&=-33       !fopen failed, image file not found
+LET ec_fcreate&=-36     !fcreate failed
+LET ec_fclose&=-37      !fclose failed
+LET ec_malloc&=-39      !malloc failed
+LET ec_mfree&=-40       !mfree failed
+LET ec_fseek&=-64       !fseek failed, truncated file?
+'
+'
+' error codes related to file content
+' these will be used in multiple codecs and maybe new codecs in the future
+LET ec_comptype&=10             !header -> unsupported compression type
+LET ec_decomperror&=11          !error during decompression phase
+LET ec_resolutiontype&=12       !header -> unsupported mode code neo/degas
+LET ec_imagetype&=13            !header -> unsupported image type
+LET ec_pixeldepth&=14           !header -> unsupported pixel depth
+LET ec_colormapdepth&=15        !header -> unsupported color map depth
+LET ec_colormaptype&=16         !header -> unsupported color map type
+LET ec_filelength&=17           !incorrect file length
+LET ec_fileid&=18               !header -> unknown file identifier
+LET ec_headerlength&=19         !header -> unsupported header length
+LET ec_widthnegative&=20        !header -> image width < 0
+LET ec_heightnegative&=21       !header -> image height < 0
+LET ec_internalerror&=22        !non-specific, subfunction failure: png/gif
+LET ec_colorspace&=23           !header -> unsupported color space
+LET ec_colormaplength&=24       !header -> unsupported color map length
+LET ec_masktype&=25             !header -> unsupported mask type
+LET ec_chunkid&=26              !unsupported chunk identifier: iff
+LET ec_filetype&=27             !received wrong file type
+LET ec_framecount&=28           !frame count exceeds limit
+LET ec_colorcount&=29           !header -> unsupported color count
+LET ec_bitmaplength&=30         !header -> calc'd length doesn't match
+LET ec_headerversion&=31        !header -> unsupported version
+LET ec_heightsmall&=32          !header -> unsupported height, to small: fnt
+LET ec_complength&=33           !header -> incorrect compressed size: spx
+LET ec_frametype&=34            !header -> unsupported frame type: seq
+LET ec_requiresnvdi&=35         !NVDI not installed
+LET ec_funcnotdefined&=36       !function not implemented
+' new error codes will be added to the end of this list as needed