IBM 5280 Distributed Data System - Index of

Subroutine Return or Enable External Status (RETURN/RETEXT/ENABLE)Source:Object:o:~~~:~ ~:::B! ENAII...B_L_E ____ (instructionlabeII,POP])OC 8 j=r,) ~ 2) ;JDEI II IID Index register address for RETURN and RETEXT: The address of theregister that contains the index.Note: This address is all zeros if no index register is specified, or if ENABLEis specified.fJ Bit 15:0= RETURN1 = RETEXT or ENABLEII Branch address for ENABLE: Branch to the instruction at this address.All zeros for RETU RN and RETEXT.a Bits 30 and 31 :00 = RETURN and RETEXT00 = ENABLE, if POP is specified01 = ENABLE, if POP is not specified150