Reserved Filetypes - Commodore 128D User Manual

Table 12-1. CP/M 3.0 Reserved Characters
n
i \
Character
<$.! I >[]
tab space
carriage return
*?
<>&! | \ +
[]
0
/$
Meaning
file specification delimiters
drive delimiter in file specification
filetype delimiter in file specification
password delimiter in file specification
comment delimiter at the beginning of a com
mand line
wildcard characters in an ambiguous file specifi
cation.
option list delimiters
option list delimiters for global and local options.
delimiters for multiple modifiers inside square
brackets for options that have modifiers.
option delimiters in a command line.
Reserved Filetypes
CP/M 3.0 has already established several file groups. Table 12-2 lists
some of their filetypes with a short description of each.
Table 12-2. CP/M 3.0 Reserved Filetypes
Filetype Meaning
ASM Assembler source file
BAS BASIC source program
COM Z80 or equivalent machine language program
HEX Output file from MAC (used by HEXCOM)
HLP HELP message file
$$$ Temporary file
PRN Print file from MAC or RMAC
REL Output file from RMAC (used by LINK)
SUB List of commands to be executed by SUBMIT
SYM Symbol file from MAC, RMAC or LINK
SYS System file
RSX Resident System Extension (a file automatically
loaded by a command file when needed)
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USING CP/M MODE—Files, Disks and Disk Drives in CP/M 3.0