ROUTE o ROUTDEST 8 ROUTHEXT Hexadecimal Field
Displacellent Nalle Field Description, Contents, !eaning ------------ 0 ROUTDEST DS CLa Final destination ID
a ROUTNEXT DS CLa LINKID for indirect routing ROUTSIZE EQU *-ROUTDEST Length of a routing tatle entry
Section 3. RSCS Iata Areas and Control Blocks 259

SVECTORS SVECTORS defines low storage for the RSCS virtual aachine.. It includes two types of
storage: machine-defined and RSCS-defined. • MACHINE-DEFINED LOW STORAGE The SVECTORS aachine-defined low storage defines machine status data referenced during program execution and required by System/370 architecture.
r
, I 0 IPLPSW 40 CSW 1 4 44 1 1 8 IPLCCW 1 48 CIW 1 C I I 4C 1////1////////////////////////////////1 10 IPLCCW2 , 14 50 TIflJER 1 , 18 OLDEXT 54 ////1//////////////1/////////////////1
1C
58 BEWEXT 20 OLDSVC 5C 24 6C BEWSVe 28 OLDPROG 6C 2C 7C IIIEWflJlCH 30 OLDMACH 74
34
78 BEWIO 38 OLDIO 7C 3C Hexadeciaal Field
Displacement Naae Field Description, Contents, flJeaning ------------ -------------------------------------- 0 IPLPSW DS D X'00040000',V(DflJ7INI) 8 IPLCCW1 DS D 10 IPLCCW2 DS D
18 OLD EXT DS D External interrupt old PSW 20 OLDSVC DS D Supervisor call old PSi 28 OLDPROG DS D prograa check old PSW 30 OLDMACH DS D Machine check old PSW 38 OLDIO DS D Input/output old PSW 40 CSW DS D Channel status word
48 CAW DS F Channel address word
4C DS F Reserved for IBM use 50 TIMER DS F 4X' FF' TOn clock
54 DS F Reserved for IBM use
58 NEWEXT DS D X'00040000',V(DM7EXT) 60 NEWSVC DS D X'OO040000',V(DflJ1SVC) 68 NEWPROG DS D X'00040000',A(RIXOUCH) 70 NEWMACH DS D X'00020000',A(OLtfIJACH) 78 NEWIO DS D X'OO040000',V(DflJ7IOMIB) 260 IBM VM/370 Data Areas and Control Block Logic