SVEARA SVEARA describes the fields in a DOS/VS Logical Transient Area (LTA) and problem Program (PP) save area. SVEARA is invoked via the nOSAVE macro. these areas are used by DOS/VS routines to save the value of the PSi and registers for purposes such as linkage to and from transient routines. I , 0 1///////////////////////////1///////////////////////////1
8 SVEPSi SV!PSi2 10 SVER09 SV!ROA 18 SVEROB SV!ROC 20 SVEROD SV!ROE 28 SVEROF SV!ROO 30 SVER01 SV!R02 38 SVER03 SV!R04 40 SVER05 SV!R06 48 SVER07 SV!R08 Hexadecimal Field ni"splacement Nalle Field Description, Contents, t!eaning ------------ -------------------------------------- 0 DS 2F Reserved for IBM use
8 SVEPSi DS F First half PSi C SVEPSi2 DS F Second half PSi 10 SVER09 DS F Save area for register 9 14 SVEROA DS F Save area for register 10 18 SVEROB DS F Save area for register 11
1C SVEROC DS F Save area for register 12 20 SVEROD DS F Save area for register 13 24 SVEBOE DS F Save area for register 14 28 SVEROF DS F Save area for register 15
2C SVRROO DS F Save area for register 0 30 SVER01 DS F Save area for register 1 34 SVER02 DS F Save area for register 2
38 SVER03 DS F Save area for register 3
3C SVER04 DS F Save area for register 4 40 SVER05 DS F Save area fer register 5 44 SVER06 DS F Save area for register 6 48 SVER07 DS F Save area for register 7 4C SVER08 DS F Save area for register 8
238 IBM VM/370 Data Areas and Control Block Logic

SYSCOM SYSCOM describes the fields in the SYSCOM block which is the CMS/DOS equivalent ef the DOS/VS System Communication Region (SYSCOM). The ASYSCOM field in NUCCN Feints to the SYSCOM block in DMSNUC. I 0 IJBERBLC IJEAREX I 1 8 IJBERR19 IJBERR24 IJEPUBRS I 1 10 IJBFETCH IJEINTRT , I 18 IJBEXTRT IJELTA I I 20 IJBPPBEG IJECEINQ ! 1 28 IJBQSIZE IJBQLNG IJENPART 1/////////////1 30 IJBRSAVE IJECCNSP 38 IJBSAB IJECENTB 40 1* 1 1*2 A*3 A*4 IJESTID IJBEXIT 48 IJBPDADR IJETKHLD 50 IJBTIMER IJEAETAB
58 IJBLIK IJBTIK IJEPWR 60 IJBTCAVT IJERFTAB 68 IJBEUECB IJEOLTEP 70 IJBRASLN IJETRTAB
78 IJBPBOWN IJEJATIB 80 IJBPMGR IJECCWT 88 IJBSAVSD IJELNSTB 90 IJBAMCOM IJEAPTA 98 IJBSBLKO IJESBLKX AO 1*5 1*6 I 1*7 I 1*8 A*9 A*10 1///////////// ----------------------------------------------------1 18 ////////////////////////////1///////////////////////////1
-----------------------------------------------------1 BO ////////////////////////////1 IJEMVCAD I -----------------------------------------------------1
B8 ////////////////////////////1/////////////1/////////////1 I I COl IJBMFCER I I I C81 A*11 I IJEPUBLN IJBAPNO I Section 2. CMS Iata Areas and Control Blocks 239