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1.1 ! root 1: MiNT is Not TOS: A Multitasking Operating System Extension for the Atari ST ! 2: ! 3: ! 4: ! 5: Copyright 1990,1991,1992 Eric R. Smith. All rights reserved. See the file ! 6: ! 7: "copying" for conditions of redistribution. ! 8: ! 9: ------------------------------------------------------------------------- ! 10: ! 11: Features of MiNT that are incompatible with TOS (some might regard these ! 12: ! 13: as bugs): ! 14: ! 15: ! 16: ! 17: Processes may have only 32 open files each. ! 18: ! 19: ! 20: ! 21: Not all information needed by Fsfirst is contained solely in the DTA ! 22: ! 23: area, nor is the DTA set up the way TOS does. Programs that manipulate ! 24: ! 25: the DTA directly will probably break. ! 26: ! 27: ! 28: ! 29: Some low level disk utilities may get very confused if asked to operate on ! 30: ! 31: a pseudo-drive like U:, or on a non-tos filesystem. ! 32: ! 33: ! 34: ! 35: Doing a Dsetpath() call on a path that includes symbolic links may also ! 36: ! 37: result in the current drive being changed, if any of the links point ! 38: ! 39: to a different drive. ! 40: ! 41: ! 42: ! 43: The BIOS I/O routines on devices 0, 1, and 2 may be redirected by ! 44: ! 45: redirecting file handles -3, -2, and -1 respectively, i.e. they are ! 46: ! 47: no longer guaranteed to access the same printer, rs232, and console ! 48: ! 49: (although they do by default). Similarly, BIOS device 3 is controlled by ! 50: ! 51: file handles -4 (input) and -5 (output) and so it might not always refer ! 52: ! 53: to the MIDI port. ! 54: ! 55: ! 56: ! 57: Filenames that are 4 characters long, with a ':' in the 4th position, ! 58: ! 59: are assumed to be device names and are translated into references to U:\DEV ! 60: ! 61: i.e. "con:" means "U:\DEV\CON". TOS doesn't always do this translation, ! 62: ! 63: it seems, because I can recall creating files named "con:" in the current ! 64: ! 65: directory (not that I *wanted* to, which is the whole point of MiNT's ! 66: ! 67: feature). ! 68: ! 69: ! 70: ! 71: All CTRL-ALT-function key combinations are reserved by MiNT. ! 72:
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