Bill, This is the old "How does LOAD differ from LOAD ADDRESS?" issue - as has already comprehensively been pointed out.
You may like to know there is a list/group oriented to Assembler which can be accessed as follows: <quote> SUBSCRIBING TO ASSEMBLER-LIST: To subscribe to ASSEMBLER-LIST, send an email message addressed to: [EMAIL PROTECTED] In the body of the message, type: SUBSCRIBE ASSEMBLER-LIST first name last name For example, if I wished to subscribe myself to the list, I would send the message SUBSCRIBE ASSEMBLER-LIST Jean Snow </quote> Chris Mason ----- Original Message ----- From: "Bill Larsen" <[EMAIL PROTECTED]> Newsgroups: bit.listserv.ibm-main To: <IBM-MAIN@BAMA.UA.EDU> Sent: Thursday, 16 March, 2006 7:03 PM Subject: Assembler question > Dear all > > (...) > L 10,ADR1 > MVC ZON,0(10) ===> (XX) > (..) > > ADR1 DS F > > > > > ===> why when i replace (XX) by "MVC ZON,ADR1" , i don't have the same > value in ZON ??? > > > Thank you ---------------------------------------------------------------------- For IBM-MAIN subscribe / signoff / archive access instructions, send email to [EMAIL PROTECTED] with the message: GET IBM-MAIN INFO Search the archives at http://bama.ua.edu/archives/ibm-main.html