SVCSECT Hexadecimal Field
Displacement Naae Field Description, Contents, eeaning ----------- --------------------------------------
1C4 TRANftSK DC AL1 (X'FF') 1*4 1C5 ADTR1NS DC VL3 (TRANSAR) 1C8 TEftP02 DC D'O' For CVD and other scratch use 1DO DC 4F'Oi Reserved for IBe use lEO DS OD 1EO RGPRS DS OF Beturned general-purpose registers lEO RGPRO DS F BO 1E4 RGPR1 DS F B1
1E8 RGPR2 DS F B2 1EC RGPR3 DS F B3 1FO RGPR4 DS F B4
1F4 RGPF5 DS F R5
1F8 RGPR6 DS F B6 1FC RGPR7 DS F R7 200 RGPR8 DS F BS 204 RGPR9 DS F B9 208 RGPR10 DS F R10 20C RGPR11 DS F B11 210 RGPR12 DS F B12
214 RGPR13 DS F B13
218 RGPR14 DS F B14
21C RGPR15 DS F B15 220 RFPRS DS OD Returned floating-point registers 220 RFPRO DS D FPRO 228 RFPR2 DS D FPR2 230 RFPR4 DS D FPR4
238 RFPR6 DS D FPR6 240 NRftUSA' DS 12D NBftSAV user save area Section 2. CftS rata Areas and Contrcl Blocks 237

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