IBM 5280 Distributed Data System - Index of

Chapter 2. Main Storage Data AreasThis section describes the 5280 main storage data areas. The foliowingJigure showsthe main storage organization for the 5280.StorageAddress(in hex)00000010o I 1 I32 I 4 I 5 I7A6 I 8 I 9 II I o IPartition 0 Partition 1 Partition 2 Partition 3Partition 4 Partition 5 Partition 6 Partition 7I00400050I-.. ,...System Use OnlyDiskette 0I Diskette 1 I Diskette 2 I Diskette 3Diskette 4I Diskette 5 I Diskette 6 I Diskette 7.. ~.. ,...Frt~:-lOB Pointers ,jDoumlOB Pointers006000800090OOAOOOBOOOCO0000ooEOOOFO0100,.. .. ,..... I- .. ~Printer lOBPointerCommunicationsGGB PointerSystem Use Only.. - CommonIISystem Use OnlySystem Use OnlyCommunicationslOB PointerSystem Use OnlyDateI Storage IIPL TimeSystem Use OnlySize Fla!II ResourceSystem Flags Allocation System Use OnlyTable@I I Config, SelfTable@System Use Only Error Log Lockout Bytes urationICheck @ConfiguratlonSystem Use OnlyScreenFormatDataIPointers @ Num Table@I ~!~~:II~ageEditFormatTable@PromptTable@Function POinters ~-System Use OnlySystemControlBlockGlobal Table Pointers1-------Common Function Routines (object code)--,;;;;:;,;-------------------~Global Configuration Data TableICommon FunctionRoutines andGlobal TablesJ Resource Allocation Table (configuration option) :orRelative I ASCII Translate Table (configuration option),....J..StorageAddress(in hex)0000004000800100Beginning of first partition area (eight partitions maximum)Partition lOB---..Logical 1/0 Table-".Keyboard/Display lOB...BR 0 BR 1 BR 2 BR 3 BR 4 BR 5 BR 6 BR 7 "1000-1015 1016-1031 1032-1047 1048-1063 1064-1079 1080-1095 1096-1111 1112-1127 RD~-0110012001FOOFFD1000BR 8 BR 9 8R 10 8R 11 BR 12 BR 13 BR 14 BR 151128-1143 1144-1159 1160-1175 1176-1191 1192-1207 1208-1223 1224-1239 1240-12558R 16 BR 17 BR 18 BR 19 BR 20 BR 21 BR 22 BR 23 R2:::: :;::BR 120 BR 121 BR 122 BR 123 BR 124 BR 125 BR 126 BR 127 R15..,...~Jt~-O-bj-ect--pr-o-gr-am-'-b-Uf-fe-rs-,-ta-bl-es-,a-n-d-so-o-n----------------------------------------~J["'RlBinaryRegistersDecimalRegistersPartitionArea.~,...----------------------------------------------------------------~,...Microprocessor work area in the last 256 bytes of the partition~----------------------------------------------------------~------0000 Beginning of the next partitionMain Storage Data Areas 27