369:
33:
331:
architecture; as with System/360, System/370, and 370-XA, the general-purpose registers are 32 bits long, and the arithmetic instructions support 32-bit arithmetic. Only byte-addressable real memory (Central
Storage) and Virtual Storage addressing is limited to 31 bits, as is the case with 370-XA.
2223:
mode in which each use of general register 1-15 as a base register uses an associated access register to select an address space. In addition to the normal address spaces that machines with the dual-address-space facility support, ESA also allows data spaces, which contain no executable code.
2399:
ESA/390 also extends the Sense ID command to provide additional information about a device, and additional device-dependent channel commands, the command codes for which are provided in the Sense ID information, to allow device description information to be fetched from a device.
313:
referring to an address space, with instruction operands whose address is computed with a given general-purpose register as a base register will be in the address space referred to by the corresponding address register.
336:
to easily support applications expecting 24-bit addressing, as well as to sidestep a problem with extending two instructions to handle 32-bit unsigned addresses.) It maintains problem state
2219:
In addition to the primary-space and secondary-space addressing modes that later System/370 models, and System/370 Extended
Architecture (S/370-XA) models, support, ESA has an
50:
317:
The later ESA/390, introduced in 1990, added a facility to allow device descriptions to be read using channel commands and, in later models, added instructions to perform
2428:
the hexadecimal floating-point (HFP) extensions facility, which adds new hexadecimal floating-point instructions corresponding to some binary floating-point instructions.
3133:
2421:
the floating-point support (FPS) extensions facility, which adds instructions to load and store floating-point numbers regardless of whether they're in
2216:
On
February 15, 1988, IBM announced Enterprise Systems Architecture/370 (ESA/370) for 3090 enhanced ("E") models and for 4381 model groups 91E and 92E.
278:
97:
69:
3123:
2878:
76:
2926:
2894:
2812:
The data returned by Sense ID include the command codes for Read configuration data, Read node identifier and Set interface identifier.
2433:
2411:
the basic floating-point extensions facility, which increases the number of floating-point registers from 4 (0, 2, 4, 6) to 16 (0-15);
83:
2973:
2955:
2286:
446:
116:
2436:
which provide ESA/390 processors in smaller machines have been released over time, but are only intended for software development.
356:). However, the I/O subsystem is based on System/370 Extended Architecture (S/370-XA), not on the original S/370 I/O instructions.
2833:
3138:
65:
2744:
2418:
binary floating-point numbers, with an additional floating-point control (FPC) register to support IEEE 754 modes and errors;
54:
3007:
3128:
295:
271:
2716:
D Device dependent. The command code, if any, recognized by an I/O device may be obtained by using a sense-ID command.
227:
2231:), each with its own virtual system memory so that multiple operating systems may run concurrently on one machine.
43:
3143:
2318:
478:
90:
2371:
526:
168:
264:
337:
206:
2281:
441:
2956:"IBM 3090 PROCESSOR UNIT MODELS 280E AND 500E AND IBM 3090 PROCESSOR UNIT MODEL 300E TO 400E UPGRADE"
2393:
333:
148:
2359:
519:
309:
models by adding a new mode in which general-purpose registers 1-15 are each associated with an
2942:
2910:
3092:
504:
299:
237:
3042:
2366:
Access 16Ă— 32, Control 16Ă—32, Floating Point
Control (FPC) 32-bit, Prefix 32 bit, PSW 64-bit
870:
854:
341:
328:
3033:
Schwarz, E. M.; Krygowski, C. A. (September 1, 1999). "The S/390 G5 floating-point unit".
2323:
2305:
2220:
483:
465:
310:
153:
2555:
The following channel commands are new, or have their functionality changed, in ESA/390:
2404:
2381:
2352:
536:
321:
306:
252:
232:
201:
186:
163:
158:
2851:
368:
3117:
2735:
The number and format of floating-point registers depends on the installed features:
353:
196:
133:
2477:
2422:
191:
32:
2331:
491:
349:
345:
324:
operations and increased the number of floating-point registers from 4 to 16.
3015:
2974:"ENTERPRISE SYSTEMS ARCHITECTURE/370 (TM) AND MVS/SYSTEM PRODUCT VERSION 3"
2754:
2497:
2415:
318:
180:
176:
172:
3046:
3107:, pp. D-1–D-7, Appendix D. Comparison between ESA/370 and ESA/390.
247:
242:
17:
2414:
the binary floating-point (BFP) extensions facility, which supports
211:
305:
It extended the dual-address-space mechanism introduced in later
2228:
2853:
IBM Enterprise
Systems Architecture/390 Principles of Operation
2835:
IBM Enterprise
Systems Architecture/370 Principles of Operation
3076:
Enterprise
Systems Architecture/390 Common I/O-Device Commands
2248:
408:
363:
26:
352:) and subsequent 24/31-bit-address/32-bit-data architecture (
2485:
Suppression on protection with virtual-address enhancement
298:
introduced by IBM as ESA/370 in 1988. It is based on the
1493:
Floating Point
Registers (binary, double precision) 0-15
1387:
Floating Point
Registers (binary, single precision) 0-15
2425:
or IEEE 754 format and to convert between those formats;
2027:
External Mask; subject to external subclass mask in CR0
380:
2386:
4 64-bit up to the G4; 16 64-bit starting with the G5
2380:
2370:
2358:
2348:
2340:
2330:
2317:
2304:
2292:
2280:
2262:
2254:
2244:
535:
525:
518:
510:
500:
490:
477:
464:
452:
440:
422:
414:
404:
57:. Unsourced material may be challenged and removed.
2227:A machine may be divided into Logical Partitions (
2740:ESA/390 without the new floating-point facilities
327:Enterprise Systems Architecture is essentially a
2911:Figure 4-3 Assignment of Control-Register Fields
2895:Figure 4-3 Assignment of Control-Register Fields
2841:(First ed.). IBM. August 1988. SA22-7200-0.
1195:Floating Point Registers (hexadecimal) 0-6/0-15
3078:, Second Edition, IBM, April 1992, SA22-7204-01
3001:
2999:
2859:(Ninth ed.). IBM. June 2003. SA22-7201-08.
2777:ESA/390 with the new floating-point facilities
2768:ESA/390 with the new floating-point facilities
2750:ESA/390 with the new floating-point facilities
3028:
3026:
272:
8:
2239:
399:
2747:(HFP) registers FP0, FP2, FP4 and FP6 exist
2130:
1968:
777:
279:
265:
128:
3070:
3068:
2016:I/O Mask; subject to channel mask in CR2
117:Learn how and when to remove this message
2557:
1683:
1491:
1385:
1193:
955:
852:
652:
555:
3035:IBM Journal of Research and Development
2867:
2728:
2396:was added to the architecture in 1994.
219:
140:
131:
3134:Computer-related introductions in 1988
3006:Slegel, Timothy J. (August 17, 1998).
2444:ESA/390 adds the following facilities
2238:
957:Floating Point Control (FPC) Register
546:
398:
2566:
2563:
2541:z/Architecture (certain instructions)
549:IBM S/370-ESA and S/390-ESA registers
66:"IBM Enterprise Systems Architecture"
7:
3104:
3088:
3059:
2990:
2938:
2922:
2906:
2890:
2874:
192:eServer zSeries (900, 800; 990, 890)
55:adding citations to reliable sources
815:0=use dispatchable-unit access list
292:IBM Enterprise Systems Architecture
2980:. IBM. February 15, 1988. 288-059.
2962:. IBM. February 15, 1988. 188-038.
2505:Immediate and relative instruction
2434:PC-based IBM-compatible mainframes
2392:An important capability to form a
828:access-list-entry sequence number
25:
2453:Access-list-controlled protection
780:ESA Access register abbreviations
547:
1685:Enterprise Systems Architecture
869:See Principles of Operation or
817:1=use primary-space access list
367:
207:zEnterprise System (z196, zEC12)
31:
42:needs additional citations for
2488:Set address space control fast
1:
3124:IBM System/360 mainframe line
3008:"IBM S/390 G5 Microprocessor"
1971:ESA EC mode PSW abbreviations
340:dating back to 1964 with the
2559:ESA/390 I/O-Device Commands
296:instruction set architecture
2494:Called-space identification
2471:Storage-protection override
2268:; 34 years ago
428:; 36 years ago
3160:
2943:Program-Status-Word Format
2927:Program-Status-Word Format
2745:hexadecimal floating point
2529:TOD-clock-control override
1967:
1887:
1877:
1697:
1599:
1592:
1510:
1507:
1497:
1404:
1391:
1301:
1294:
1212:
1199:
868:
861:
776:
692:
658:
568:
561:
212:IBM Z (z13, z14, z15, z16)
2713:
2685:Set interface identifier
2592:
2589:
2586:
2583:
2580:
2577:
2574:
2571:
2514:Additional floating-point
2502:Compare and move extended
2365:
1753:
1750:
1747:
1732:
1401:
1209:
1085:
986:
981:
979:
974:
972:
967:
839:access-list-entry number
689:
2598:Read configuration data
2532:Store system information
2511:Perform locked operation
2508:Branch and set authority
3139:2000s disestablishments
2879:Access-list-Entry Token
2753:FP0_FP15 may be HFP or
2106:10=Secondary-space mode
2104:01=Access-register mode
569:Two's complement value
557:General Registers 0-15
2788:HFP exponent underflow
2538:Extended translation 2
2535:Extended translation 1
2312:(2, 4 or 6 bytes long)
654:Access Registers 0-15
472:(2, 4 or 6 bytes long)
344:-address/32-bit-data (
338:backward compatibility
3093:Highlights of ESA/390
2909:, pp. 4-8–4-10,
2799:Bit 23 is renamed as
2786:Bit 22 is renamed as
2627:Read node identifier
2544:Enhanced input/output
2150:Fixed-point overflow
2102:00=primary-space mode
2100:Address-Space Control
1600:Mantissa (continued)
1302:Mantissa (continued)
3091:, pp. 1-3–1-4,
2978:Announcement Letters
2960:Announcement Letters
2893:, pp. 4-7–4-9,
2551:New channel commands
2474:Move-page facility 2
2326:, indexing, counting
2235:ESA/390 architecture
2202:Instruction Address
1888:Instruction Address
486:, indexing, counting
360:ESA/370 architecture
334:most significant bit
51:improve this article
3129:Computing platforms
3047:10.1147/rd.435.0707
2560:
2241:
2191:0=24 bit; 1=31 bit
2166:Exponent underflow
2135:
2108:11=Home-space mode
2067:Machine-check mask
1973:
1694:
1494:
1388:
1196:
982:Data Exception Code
958:
858:
782:
655:
558:
551:
401:
2558:
2526:Extended TOD clock
2482:String instruction
2407:, IBM introduced:
2403:Starting with the
2131:
1969:
1684:
1492:
1386:
1194:
956:
853:
778:
653:
556:
379:. You can help by
332:(IBM reserved the
2720:
2719:
2517:Program call fast
2390:
2389:
2313:
2296:Register–Register
2214:
2213:
2210:
2209:
2206:
2205:
2178:
2177:
2158:Decimal overflow
1678:
1677:
1486:
1485:
1380:
1379:
1188:
1187:
950:
949:
871:Control Registers
855:Control Registers
847:
846:
843:
842:
647:
646:
545:
544:
473:
456:Register–Register
397:
396:
300:IBM System/370-XA
289:
288:
127:
126:
119:
101:
16:(Redirected from
3151:
3144:32-bit computers
3108:
3102:
3096:
3086:
3080:
3079:
3072:
3063:
3057:
3051:
3050:
3030:
3021:
3020:
3012:
3003:
2994:
2988:
2982:
2981:
2970:
2964:
2963:
2952:
2946:
2936:
2930:
2920:
2914:
2904:
2898:
2888:
2882:
2877:, p. 5-30,
2872:
2860:
2858:
2842:
2840:
2813:
2810:
2804:
2801:HFP significance
2797:
2791:
2784:
2778:
2775:
2769:
2766:
2760:
2733:
2561:
2465:Concurrent sense
2394:Parallel Sysplex
2311:
2276:
2274:
2269:
2242:
2136:
2134:
1974:
1972:
1695:
1693:ontrol mode PSW
1508:Biased exponent
1495:
1402:Biased exponent
1389:
1210:Biased exponent
1197:
959:
859:
783:
781:
656:
559:
552:
471:
436:
434:
429:
402:
392:
389:
371:
364:
281:
274:
267:
129:
122:
115:
111:
108:
102:
100:
59:
35:
27:
21:
3159:
3158:
3154:
3153:
3152:
3150:
3149:
3148:
3114:
3113:
3112:
3111:
3103:
3099:
3087:
3083:
3074:
3073:
3066:
3062:, pp. 1–8.
3058:
3054:
3032:
3031:
3024:
3010:
3005:
3004:
2997:
2989:
2985:
2972:
2971:
2967:
2954:
2953:
2949:
2941:, p. 4-5,
2937:
2933:
2925:, p. 4-5,
2921:
2917:
2905:
2901:
2889:
2885:
2873:
2869:
2856:
2850:
2838:
2832:
2822:
2817:
2816:
2811:
2807:
2798:
2794:
2785:
2781:
2776:
2772:
2767:
2763:
2739:
2734:
2730:
2725:
2715:
2553:
2442:
2372:General-purpose
2299:
2298:Register–Memory
2297:
2272:
2270:
2267:
2237:
2221:access register
2190:
2189:Addressing mode
2132:
2119:Condition Code
2107:
2105:
2103:
2101:
1970:
1878:
1755:
1729:
1724:
1698:
1593:
1498:
1392:
1295:
1200:
988:
983:
976:
969:
968:Interrupt Masks
862:
816:
814:
779:
659:
562:
527:General-purpose
459:
458:Register–Memory
457:
432:
430:
427:
393:
387:
384:
377:needs expansion
362:
311:access register
285:
149:700/7000 series
123:
112:
106:
103:
60:
58:
48:
36:
23:
22:
15:
12:
11:
5:
3157:
3155:
3147:
3146:
3141:
3136:
3131:
3126:
3116:
3115:
3110:
3109:
3097:
3081:
3064:
3052:
3041:(5): 707–721.
3022:
2995:
2983:
2965:
2947:
2931:
2915:
2899:
2883:
2866:
2865:
2864:
2863:
2862:
2861:
2848:
2843:
2830:
2821:
2818:
2815:
2814:
2805:
2792:
2779:
2770:
2761:
2759:
2758:
2757:floating point
2751:
2748:
2741:
2727:
2726:
2724:
2721:
2718:
2717:
2711:
2710:
2707:
2704:
2701:
2698:
2695:
2692:
2689:
2686:
2682:
2681:
2678:
2675:
2672:
2669:
2666:
2663:
2660:
2657:
2653:
2652:
2649:
2646:
2643:
2640:
2637:
2634:
2631:
2628:
2624:
2623:
2620:
2617:
2614:
2611:
2608:
2605:
2602:
2599:
2595:
2594:
2591:
2588:
2585:
2582:
2579:
2576:
2573:
2569:
2568:
2565:
2552:
2549:
2548:
2547:
2546:
2545:
2542:
2539:
2536:
2533:
2530:
2527:
2524:
2521:
2520:Resume program
2518:
2515:
2512:
2509:
2506:
2503:
2500:
2495:
2492:
2491:Subspace group
2489:
2486:
2483:
2480:
2475:
2472:
2469:
2466:
2461:
2457:
2456:
2455:
2454:
2449:
2441:
2440:New facilities
2438:
2430:
2429:
2426:
2419:
2412:
2388:
2387:
2384:
2382:Floating point
2378:
2377:
2374:
2368:
2367:
2363:
2362:
2356:
2355:
2353:z/Architecture
2350:
2346:
2345:
2342:
2338:
2337:
2334:
2328:
2327:
2324:Condition code
2321:
2315:
2314:
2308:
2302:
2301:
2294:
2290:
2289:
2284:
2278:
2277:
2264:
2260:
2259:
2256:
2252:
2251:
2246:
2236:
2233:
2212:
2211:
2208:
2207:
2204:
2203:
2200:
2197:
2193:
2192:
2187:
2184:
2180:
2179:
2176:
2175:
2172:
2168:
2167:
2164:
2160:
2159:
2156:
2152:
2151:
2148:
2144:
2143:
2140:
2128:
2125:
2121:
2120:
2117:
2114:
2110:
2109:
2098:
2095:
2091:
2090:
2089:Problem state
2087:
2084:
2080:
2079:
2076:
2073:
2069:
2068:
2065:
2062:
2058:
2057:
2047:
2044:
2040:
2039:
2036:
2033:
2029:
2028:
2025:
2022:
2018:
2017:
2014:
2011:
2007:
2006:
2003:
2000:
1996:
1995:
1992:
1989:
1985:
1984:
1981:
1978:
1965:
1964:
1962:
1959:
1957:
1955:
1953:
1951:
1949:
1947:
1945:
1943:
1941:
1939:
1937:
1935:
1933:
1931:
1929:
1927:
1925:
1923:
1921:
1919:
1917:
1915:
1913:
1911:
1909:
1907:
1905:
1903:
1901:
1898:
1895:
1892:
1891:
1889:
1886:
1883:
1880:
1879:
1875:
1874:
1872:
1869:
1867:
1865:
1863:
1861:
1859:
1857:
1854:
1851:
1849:
1847:
1844:
1841:
1838:
1835:
1832:
1829:
1826:
1823:
1820:
1817:
1815:
1813:
1810:
1807:
1804:
1801:
1798:
1796:
1793:
1790:
1787:
1784:
1783:
1781:
1778:
1775:
1772:
1769:
1766:
1763:
1760:
1757:
1752:
1749:
1746:
1743:
1740:
1737:
1734:
1731:
1726:
1721:
1718:
1715:
1712:
1709:
1706:
1703:
1700:
1699:
1680:
1679:
1676:
1675:
1673:
1670:
1668:
1666:
1664:
1662:
1660:
1658:
1656:
1654:
1652:
1650:
1648:
1646:
1644:
1642:
1640:
1638:
1636:
1634:
1632:
1630:
1628:
1626:
1624:
1622:
1620:
1618:
1616:
1614:
1612:
1610:
1607:
1604:
1603:
1601:
1598:
1595:
1594:
1590:
1589:
1587:
1584:
1582:
1580:
1578:
1576:
1574:
1572:
1570:
1568:
1566:
1564:
1562:
1560:
1558:
1556:
1554:
1552:
1550:
1548:
1545:
1542:
1540:
1538:
1536:
1534:
1532:
1530:
1528:
1526:
1524:
1521:
1518:
1515:
1514:
1512:
1509:
1506:
1503:
1500:
1499:
1488:
1487:
1484:
1483:
1481:
1478:
1476:
1474:
1472:
1470:
1468:
1466:
1464:
1462:
1460:
1458:
1456:
1454:
1452:
1450:
1448:
1446:
1444:
1442:
1440:
1438:
1436:
1433:
1430:
1428:
1426:
1424:
1422:
1420:
1418:
1415:
1412:
1409:
1408:
1406:
1403:
1400:
1397:
1394:
1393:
1382:
1381:
1378:
1377:
1375:
1372:
1370:
1368:
1366:
1364:
1362:
1360:
1358:
1356:
1354:
1352:
1350:
1348:
1346:
1344:
1342:
1340:
1338:
1336:
1334:
1332:
1330:
1328:
1326:
1324:
1322:
1320:
1318:
1316:
1314:
1312:
1309:
1306:
1305:
1303:
1300:
1297:
1296:
1292:
1291:
1289:
1286:
1284:
1282:
1280:
1278:
1276:
1274:
1272:
1270:
1268:
1266:
1264:
1262:
1260:
1258:
1256:
1254:
1252:
1250:
1248:
1246:
1244:
1242:
1239:
1236:
1234:
1232:
1230:
1228:
1226:
1223:
1220:
1217:
1216:
1214:
1211:
1208:
1205:
1202:
1201:
1190:
1189:
1186:
1185:
1183:
1180:
1177:
1174:
1172:
1170:
1168:
1166:
1163:
1160:
1157:
1154:
1151:
1148:
1145:
1142:
1139:
1136:
1134:
1131:
1128:
1125:
1122:
1119:
1116:
1113:
1111:
1108:
1105:
1102:
1099:
1096:
1093:
1090:
1089:
1087:
1084:
1081:
1078:
1075:
1072:
1069:
1066:
1063:
1060:
1057:
1054:
1051:
1048:
1045:
1042:
1039:
1036:
1033:
1030:
1027:
1024:
1021:
1018:
1015:
1012:
1009:
1006:
1003:
1000:
997:
994:
991:
990:
985:
980:
978:
973:
971:
966:
963:
962:
952:
951:
948:
947:
945:
942:
940:
938:
936:
934:
932:
930:
928:
926:
924:
922:
920:
918:
916:
914:
912:
910:
908:
906:
904:
902:
900:
898:
896:
894:
892:
890:
888:
886:
884:
882:
879:
876:
875:
873:
867:
864:
863:
849:
848:
845:
844:
841:
840:
837:
834:
830:
829:
826:
823:
819:
818:
811:
808:
804:
803:
800:
798:
794:
793:
790:
787:
774:
773:
771:
768:
766:
764:
762:
760:
758:
756:
754:
752:
750:
748:
746:
744:
742:
740:
737:
734:
732:
730:
728:
726:
724:
722:
719:
716:
713:
711:
709:
707:
705:
703:
700:
697:
696:
694:
691:
688:
685:
682:
679:
676:
673:
670:
667:
664:
661:
660:
649:
648:
645:
644:
642:
639:
637:
635:
633:
631:
629:
627:
625:
623:
621:
619:
617:
615:
613:
611:
609:
607:
605:
603:
601:
599:
597:
595:
593:
591:
589:
587:
585:
583:
581:
579:
576:
573:
572:
570:
567:
564:
563:
543:
542:
539:
537:Floating point
533:
532:
529:
523:
522:
516:
515:
512:
508:
507:
502:
498:
497:
494:
488:
487:
484:Condition code
481:
475:
474:
468:
462:
461:
454:
450:
449:
444:
438:
437:
424:
420:
419:
416:
412:
411:
406:
395:
394:
374:
372:
361:
358:
322:floating-point
307:IBM System/370
302:architecture.
287:
286:
284:
283:
276:
269:
261:
258:
257:
256:
255:
253:z/Architecture
250:
245:
240:
235:
230:
222:
221:
217:
216:
215:
214:
209:
204:
199:
194:
189:
184:
166:
161:
156:
151:
143:
142:
138:
137:
136:, 1952–present
134:IBM mainframes
125:
124:
39:
37:
30:
24:
14:
13:
10:
9:
6:
4:
3:
2:
3156:
3145:
3142:
3140:
3137:
3135:
3132:
3130:
3127:
3125:
3122:
3121:
3119:
3106:
3101:
3098:
3094:
3090:
3085:
3082:
3077:
3071:
3069:
3065:
3061:
3056:
3053:
3048:
3044:
3040:
3036:
3029:
3027:
3023:
3018:
3017:
3009:
3002:
3000:
2996:
2992:
2987:
2984:
2979:
2975:
2969:
2966:
2961:
2957:
2951:
2948:
2944:
2940:
2935:
2932:
2928:
2924:
2919:
2916:
2912:
2908:
2903:
2900:
2896:
2892:
2887:
2884:
2880:
2876:
2871:
2868:
2855:
2854:
2849:
2847:
2844:
2837:
2836:
2831:
2829:
2826:
2825:
2824:
2823:
2819:
2809:
2806:
2802:
2796:
2793:
2789:
2783:
2780:
2774:
2771:
2765:
2762:
2756:
2752:
2749:
2746:
2742:
2737:
2736:
2732:
2729:
2722:
2712:
2708:
2705:
2702:
2699:
2696:
2693:
2690:
2687:
2684:
2683:
2679:
2676:
2673:
2670:
2667:
2664:
2661:
2658:
2655:
2654:
2650:
2647:
2644:
2641:
2638:
2635:
2632:
2629:
2626:
2625:
2621:
2618:
2615:
2612:
2609:
2606:
2603:
2600:
2597:
2596:
2570:
2567:Bit Position
2562:
2556:
2550:
2543:
2540:
2537:
2534:
2531:
2528:
2525:
2522:
2519:
2516:
2513:
2510:
2507:
2504:
2501:
2499:
2496:
2493:
2490:
2487:
2484:
2481:
2479:
2476:
2473:
2470:
2467:
2464:
2463:
2462:
2459:
2458:
2452:
2451:
2450:
2447:
2446:
2445:
2439:
2437:
2435:
2427:
2424:
2420:
2417:
2413:
2410:
2409:
2408:
2406:
2405:System/390 G5
2401:
2397:
2395:
2385:
2383:
2379:
2375:
2373:
2369:
2364:
2361:
2357:
2354:
2351:
2347:
2343:
2339:
2335:
2333:
2329:
2325:
2322:
2320:
2316:
2309:
2307:
2303:
2300:Memory–Memory
2295:
2291:
2288:
2285:
2283:
2279:
2265:
2261:
2257:
2253:
2250:
2247:
2243:
2234:
2232:
2230:
2225:
2222:
2217:
2201:
2198:
2195:
2194:
2188:
2185:
2182:
2181:
2174:Significance
2173:
2170:
2169:
2165:
2162:
2161:
2157:
2154:
2153:
2149:
2146:
2145:
2141:
2138:
2137:
2129:
2126:
2123:
2122:
2118:
2115:
2112:
2111:
2099:
2096:
2093:
2092:
2088:
2085:
2082:
2081:
2077:
2074:
2071:
2070:
2066:
2063:
2060:
2059:
2055:
2051:
2048:
2045:
2042:
2041:
2037:
2034:
2031:
2030:
2026:
2023:
2020:
2019:
2015:
2012:
2009:
2008:
2004:
2001:
1998:
1997:
1993:
1990:
1987:
1986:
1982:
1979:
1976:
1975:
1966:
1963:
1960:
1958:
1956:
1954:
1952:
1950:
1948:
1946:
1944:
1942:
1940:
1938:
1936:
1934:
1932:
1930:
1928:
1926:
1924:
1922:
1920:
1918:
1916:
1914:
1912:
1910:
1908:
1906:
1904:
1902:
1899:
1896:
1894:
1893:
1890:
1884:
1882:
1881:
1876:
1873:
1870:
1868:
1866:
1864:
1862:
1860:
1858:
1855:
1852:
1850:
1848:
1845:
1842:
1839:
1836:
1833:
1830:
1827:
1824:
1821:
1818:
1816:
1814:
1811:
1808:
1805:
1802:
1799:
1797:
1794:
1791:
1788:
1786:
1785:
1782:
1779:
1776:
1773:
1770:
1767:
1764:
1761:
1758:
1744:
1741:
1738:
1735:
1727:
1722:
1719:
1716:
1713:
1710:
1707:
1704:
1702:
1701:
1696:
1692:
1688:
1682:
1681:
1674:
1671:
1669:
1667:
1665:
1663:
1661:
1659:
1657:
1655:
1653:
1651:
1649:
1647:
1645:
1643:
1641:
1639:
1637:
1635:
1633:
1631:
1629:
1627:
1625:
1623:
1621:
1619:
1617:
1615:
1613:
1611:
1608:
1606:
1605:
1602:
1597:
1596:
1591:
1588:
1585:
1583:
1581:
1579:
1577:
1575:
1573:
1571:
1569:
1567:
1565:
1563:
1561:
1559:
1557:
1555:
1553:
1551:
1549:
1546:
1543:
1541:
1539:
1537:
1535:
1533:
1531:
1529:
1527:
1525:
1522:
1519:
1517:
1516:
1513:
1504:
1502:
1501:
1496:
1490:
1489:
1482:
1479:
1477:
1475:
1473:
1471:
1469:
1467:
1465:
1463:
1461:
1459:
1457:
1455:
1453:
1451:
1449:
1447:
1445:
1443:
1441:
1439:
1437:
1434:
1431:
1429:
1427:
1425:
1423:
1421:
1419:
1416:
1413:
1411:
1410:
1407:
1398:
1396:
1395:
1390:
1384:
1383:
1376:
1373:
1371:
1369:
1367:
1365:
1363:
1361:
1359:
1357:
1355:
1353:
1351:
1349:
1347:
1345:
1343:
1341:
1339:
1337:
1335:
1333:
1331:
1329:
1327:
1325:
1323:
1321:
1319:
1317:
1315:
1313:
1310:
1308:
1307:
1304:
1299:
1298:
1293:
1290:
1287:
1285:
1283:
1281:
1279:
1277:
1275:
1273:
1271:
1269:
1267:
1265:
1263:
1261:
1259:
1257:
1255:
1253:
1251:
1249:
1247:
1245:
1243:
1240:
1237:
1235:
1233:
1231:
1229:
1227:
1224:
1221:
1219:
1218:
1215:
1206:
1204:
1203:
1198:
1192:
1191:
1184:
1181:
1178:
1175:
1173:
1171:
1169:
1167:
1164:
1161:
1158:
1155:
1152:
1149:
1146:
1143:
1140:
1137:
1135:
1132:
1129:
1126:
1123:
1120:
1117:
1114:
1112:
1109:
1106:
1103:
1100:
1097:
1094:
1092:
1091:
1088:
1082:
1079:
1076:
1073:
1070:
1067:
1064:
1061:
1058:
1055:
1052:
1049:
1046:
1043:
1040:
1037:
1034:
1031:
1028:
1025:
1022:
1019:
1016:
1013:
1010:
1007:
1004:
1001:
998:
995:
993:
992:
987:Rounding Mode
965:
964:
961:
960:
954:
953:
946:
943:
941:
939:
937:
935:
933:
931:
929:
927:
925:
923:
921:
919:
917:
915:
913:
911:
909:
907:
905:
903:
901:
899:
897:
895:
893:
891:
889:
887:
885:
883:
880:
878:
877:
874:
872:
866:
865:
860:
856:
851:
850:
838:
835:
832:
831:
827:
824:
821:
820:
812:
809:
806:
805:
801:
799:
796:
795:
791:
788:
785:
784:
775:
772:
769:
767:
765:
763:
761:
759:
757:
755:
753:
751:
749:
747:
745:
743:
741:
738:
735:
733:
731:
729:
727:
725:
723:
720:
717:
714:
712:
710:
708:
706:
704:
701:
699:
698:
695:
686:
683:
680:
677:
674:
671:
668:
665:
663:
662:
657:
651:
650:
643:
640:
638:
636:
634:
632:
630:
628:
626:
624:
622:
620:
618:
616:
614:
612:
610:
608:
606:
604:
602:
600:
598:
596:
594:
592:
590:
588:
586:
584:
582:
580:
577:
575:
574:
571:
566:
565:
560:
554:
553:
550:
540:
538:
534:
530:
528:
524:
521:
517:
513:
509:
506:
505:System/370-XA
503:
499:
495:
493:
489:
485:
482:
480:
476:
469:
467:
463:
460:Memory–Memory
455:
451:
448:
445:
443:
439:
425:
421:
417:
413:
410:
407:
403:
391:
382:
378:
375:This section
373:
370:
366:
365:
359:
357:
355:
354:System/370-XA
351:
347:
343:
339:
335:
330:
325:
323:
320:
315:
312:
308:
303:
301:
297:
293:
282:
277:
275:
270:
268:
263:
262:
260:
259:
254:
251:
249:
246:
244:
241:
239:
236:
234:
231:
229:
226:
225:
224:
223:
218:
213:
210:
208:
205:
203:
200:
198:
195:
193:
190:
188:
185:
182:
178:
174:
170:
167:
165:
162:
160:
157:
155:
152:
150:
147:
146:
145:
144:
139:
135:
130:
121:
118:
110:
99:
96:
92:
89:
85:
82:
78:
75:
71:
68: –
67:
63:
62:Find sources:
56:
52:
46:
45:
40:This article
38:
34:
29:
28:
19:
3100:
3084:
3075:
3055:
3038:
3034:
3014:
2986:
2977:
2968:
2959:
2950:
2934:
2918:
2902:
2886:
2870:
2852:
2845:
2834:
2827:
2808:
2800:
2795:
2787:
2782:
2773:
2764:
2731:
2554:
2443:
2431:
2402:
2398:
2391:
2226:
2218:
2215:
2133:Program Mask
2056:ontrol mode
2053:
2049:
1690:
1686:
975:Status Flags
548:
385:
381:adding to it
376:
326:
316:
304:
291:
290:
220:Architecture
113:
104:
94:
87:
80:
73:
61:
49:Please help
44:verification
41:
2478:Square root
2460:Some models
2423:hexadecimal
2341:Predecessor
2078:Wait state
501:Predecessor
169:30XX series
154:1400 series
141:Market name
132:History of
3118:Categories
2820:References
2803:in ESA/390
2790:in ESA/390
2448:All models
2332:Endianness
2263:Introduced
492:Endianness
423:Introduced
388:April 2023
350:System/370
346:System/360
233:System/370
228:System/360
202:System z10
187:System/390
164:System/370
159:System/360
107:April 2023
77:newspapers
3016:Hot Chips
2846:S/390-ESA
2743:Only the
2656:Sense ID
2360:Registers
2349:Successor
2319:Branching
2310:Variable
2005:DAT mode
1994:PER Mask
1511:Mantissa
1405:Mantissa
1213:Mantissa
520:Registers
511:Successor
479:Branching
470:Variable
197:System z9
3105:S390-ESA
3089:S390-ESA
3060:S390-ESA
2991:S370-ESA
2939:S390-ESA
2923:S370-ESA
2907:S390-ESA
2891:S370-ESA
2875:S370-ESA
2828:S370-ESA
2564:Command
2498:Checksum
2416:IEEE 754
2306:Encoding
2245:Designer
2142:Meaning
2052:xtended
2038:PSW key
1983:Meaning
1689:xtended
802:0000000
792:Meaning
541:4 64-bit
466:Encoding
405:Designer
319:IEEE 754
238:S/370-XA
2738:ESA/370
2344:ESA/370
2271: (
2240:ESA/390
1754:Program
813:Primary
514:ESA/390
431: (
400:ESA/370
248:ESA/390
243:ESA/370
91:scholar
18:ESA/370
2282:Design
2258:32-bit
2196:33-63
2124:20-23
2113:18-19
2094:16-17
1980:Field
984:(DXC)
833:16-31
825:ALESN
789:Field
690:ALESN
442:Design
418:32-bit
342:24-bit
329:32-bit
294:is an
93:
86:
79:
72:
64:
3011:(PDF)
2857:(PDF)
2839:(PDF)
2723:Notes
2714:Note:
2468:PER 2
2432:Some
2229:LPARs
2032:8-11
1977:Bits
1756:Mask
989:(RM)
977:(SF)
970:(IM)
857:0-15
836:ALEN
822:8-15
786:Bits
693:ALEN
98:JSTOR
84:books
2755:IEEE
2523:Trap
2293:Type
2287:CISC
2273:1990
2266:1990
2255:Bits
2139:Bit
2046:E=1
2035:Key
1733:Key
797:0-6
453:Type
447:CISC
433:1988
426:1988
415:Bits
348:and
181:3090
177:308X
173:303X
70:news
3043:doi
2336:Big
2249:IBM
2199:IA
2183:32
2171:23
2163:22
2155:21
2147:20
2127:PM
2116:CC
2097:AS
2083:15
2072:14
2061:13
2043:12
2024:EX
2013:IO
1961:63
1900:33
1897:32
1871:31
1856:24
1853:23
1846:20
1843:19
1840:18
1837:17
1834:16
1831:15
1828:14
1825:13
1822:12
1819:11
1751:CC
1748:AS
1672:63
1609:32
1586:31
1547:12
1544:11
1480:31
1374:63
1311:32
1288:31
1182:31
1179:30
1176:29
1165:24
1162:23
1159:22
1156:21
1153:20
1150:19
1147:18
1144:17
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