jvc@prism.UUCP (09/30/87)
/* Written 10:00 am Sep 29, 1987 by barry@micomvax.UUCP in comp.sys.ibm.pc */ /* ---------- "Need help with undocumented MS-DOS " ---------- */ >I am trying to find out what a specific function call within MS-DOS does >(purpose of functon, inputs, outputs, error code returns). >The function is function 37h of Interrupt 21h. SWITCHAR/set or query the current command-line parameter delimeter (usually slash ('/') ASCII 2FH) if AH=0, then set the switch character to the value of DL if AH=1, then return the current switch character in DL note: This is an undocumented DOS service Info from: Dan Rollins' "IBM PC 8088 Macro Assembler Programming" C1985 jvc@mirror.tmc.com
dhesi@bsu-cs.UUCP (Rahul Dhesi) (10/01/87)
In article <206900083@prism> jvc@prism.UUCP quotes from Dan Rollins's book: >SWITCHAR/set or query the current command-line parameter delimeter ... > note: This is an undocumented DOS service Not really. This is a documented MSDOS call. It was documented in documentation provided to OEMs by Microsoft. -- Rahul Dhesi UUCP: <backbones>!{iuvax,pur-ee,uunet}!bsu-cs!dhesi