Path: utzoo!mnetor!uunet!lll-winken!lll-tis!ames!pacbell!att-ih!occrsh!occrsh.ATT.COM!david
From: david@squid.UUCP
Newsgroups: comp.sys.ibm.pc
Subject: undocumented....
Message-ID: <141900033@occrsh.ATT.COM>
Date: 26 Apr 88 11:23:00 GMT
Lines: 18
Nf-ID: #N:occrsh.ATT.COM:141900033:000:623
Nf-From: squid.UUCP!david    Apr 26 06:23:00 1988


From squid!david Mon Apr 25 19:46 CST 1988 remote from occrsh
From: ihnp4!occrsh!squid!david (Safe from sanity)
Date: Mon, 25 Apr 88 19:46:26 CST
Message-Id: <88115191212@squid.UUCP>
Subject: undocumented....

/**
 **  Address in header may be incorrect. Please reply to:
 **  { ihnp4 | moss | cbosgd | uokmax }!occrsh!squid!david
 **
 **/

DOS function 0x34 gets a pointer to the dos_busy flag (ES:BX), which is in
a table of flags and pointers that are undocumented. Besides the address of
the lowest memory control block, does anybody know what else is in that
region?

David Drexler    {at&t sites}!occrsh!squid!david