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Presents historical artifacts from the history of:

IBM System/3

This is an automatic "excavation" of a thematic subset of
artifacts from Datamuseum.dk's BitArchive.

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⟦29d99ab36⟧ s3xseg

    Length: 3810 (0xee2)
    Types: s3xseg
    Names: »S$EFDT«

Derivation

└─⟦d0bc1a931⟧ Bits:30009189 5704-sc1.V08.ccp
    └─⟦64693a1c9⟧ 
        └─⟦this⟧ »S$EFDT« 

TextSegment

       MACRO                                                            00010000                
.********************************************************************** 00020000                
.*  STATUS:  RELEASE 2                                                * 00030000                
.*                                                                    * 00040000                
.*  NAME:  $EFDT                                                      * 00050000                
.*                                                                    * 00060000                
.*  FUNCTION:  DEFINE THE LABELS NEEDED TO REFERENCE THE 'FIELD       * 00070000                
.*    DEFINITION TABLE' (FDT) WHICH IS THE FIRST SECTION OF A         * 00080000                
.*    DISPLAY FORMAT.                                                 * 00090000                
.*                                                                    * 00100000                
.*  INPUT OPERANDS:  NONE                                             * 00110000                
.********************************************************************** 00120000                
       $EFDT                                                            00130000                
       TEXT                                                             00140000                
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 00150000                
*      THE 'FIELD DESCRIPTER TABLE' OR 'FDT' FOR THE 'DISPLAY FORMAT  * 00160000                
*      FACILITY'.  (DFF)                                              * 00170000                
*                                                                     * 00180000                
*     THE FOLLOWING ARE THE EQUATES FOR THE VERY FIRST FDT ENTRY      * 00190000                
*     WHICH CONTAINS INFORMATION ABOUT THE ENTIRE PHYSICAL FORMAT.    * 00200000                
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 00210000                
       SPACE 2                                                          00220000                
DFFDT  EQU   0                         FIRST BYTE                       00230000                
*                                  LNG CONTENTS                         00240000                
       SPACE                                                            00250000                
FDTTSN EQU   DFFDT                     NUMBER OF SECTORS TEXT STREAM    00260000                
*                                    1  OCCUPIES ON DISK.               00270000                
       SPACE                                                            00280000                
FDTTSL EQU   FDTTSN+2                  NUMBER OF BYTES OF HOLD AREA     00290000                
*                                    2  REQUIRED TO PUT ENTIRE FORMAT.  00300000                
       SPACE                                                            00310000                
FDTTSI EQU   FDTTSL+2                  NUMBER OF BYTES OF HOLD AREA     00320000                
*                                    2  REQUIRED IF ALL FIELDS RECEIVED 00330000                
*                                       ON INPUT OPERATION.             00340000                
       SPACE                                                            00350000                
FDTM#  EQU   FDTTSI+1                  MODEL NUMBER OF FORMAT           00360000                
*                                    1                                  00370000                
FDTM#2 EQU   BIT6                      MODEL II                         00380000                
FDTM#1 EQU   BIT7                      MODEL I                          00390000                
FDTNDT EQU   BIT5                      EXECUTION DATAZ                  00400000                
       SPACE                                                            00410000                
FDTNS  EQU   FDTM#+1                   NUMBER OF SECTORS OF FDT         00420000                
*                                    1                                  00430000                
       SPACE                                                            00440000                
FDTWRK EQU   FDTNS+2                   WORK/CALC AREA                   00450000                
*                                    2                                  00460000                
       SPACE                                                            00470000                
FDTWK2 EQU   FDTWRK+1                  EXTRA WORK AREA                  00480000                
*                                    1                                  00490000                
       SPACE                                                            00500000                
FDTCFG EQU   FDTWK2+1                  FLAG BYTE                        00510000                
*                                    1                                  00520000                
FDT11  EQU   BIT0                      1-THIS FORMAT HAS FIELD DEFINED  00530000                
*                                      IN ROW 1, COLUMN 1.              00540000                
FDTPRT EQU   BIT4                      FORMAT GENERATED BY PFGR         00545000                
       SPACE 2                                                          00550000                
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 00560000                
*                                                                     * 00570000                
*      EQUATES FOR 'FIELD DEFINITION TABLE' (FDT)                     * 00580000                
*                                                                     * 00590000                
* * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * * 00600000                
       SPACE 2                                                          00610000                
FDTNAM EQU   DFFDT+5                   NAME OF THIS FIELD LEFT ADJUSTED 00620000                
*                                    6                                  00630000                
       SPACE                                                            00640000                
FDTFLG EQU   FDTNAM+1                  FLAG BYTE                        00650000                
*                                    1                                  00660000                
FDTIF  EQU   BIT0                      1-INPUT FIELD                    00670000                
FDTOF  EQU   BIT1                      1-OUTPUT FIELD                   00680000                
FDTOIF EQU   BIT2                      1-OUTPUT/INPUT FIELD             00690000                
FDTDSF EQU   BIT3                      SELTOR PEN DETECTABLE/ATTENTION  00700000                
*                                       FIELD                           00710000                
FDTANF EQU   BIT4                      1-NUMERIC FIELD                  00720000                
*                                      O-ALPHA FIELD                    00730000                
FDTSBF EQU   BIT5                      1-SOURCE FOR OUTPUT FROM BUFFER  00740000                
*                                      O-SOURCE FOR OUTPUT FROM MAP     00750000                
       SPACE                                                            00760000                
       SPACE                                                            00770000                
FDTLNG EQU   FDTFLG+1                  LENGTH OF FIELD                  00780000                
*                                    1                                  00790000                
       SPACE                                                            00800000                
FDTAT@ EQU   FDTLNG+2                  3270 BUFFER @ OF FIELD DEFING    00810000                
*                                    2  ATTRIBUTE FOR THIS FIELD.       00820000                
       SPACE                                                            00830000                
FDTDT@ EQU   FDTAT@+2                  3270 BUFFER @ OF FIRST DATA      00840000                
*                               2  POSITION FOR THIS FIELD.             00850000                
*                                       (IF DETECTABLE, OF THE          00860000                
*                                       DESIGNATER CHARACTER).          00870000                
       SPACE                                                            00880000                
FDTDTD EQU   FDTDT@+2                  DISPLACEMENT IN TEXT STREAM TO   00890000                
*                                    2  FIRST DATA BYTE OF NON-INPUT    00900000                
*                                       TYPE FIELD.                     00910000                
       SPACE                                                            00920000                
FDTL   EQU   FDTDTD-DFFDT+1            LENGTH OF FDT ENTRY.             00930000                
FDTSED EQU   X'FE'                     INDICATOR OF END OF SECTOR       00940000                
FDTEND EQU   X'FF'                     INDICATOR OF END OF FDT ENTRIES  00950000                
FDTSNX EQU   4                         DISP TO NEXT SECTOR FROM LAST EN 00960000                
       SPACE 2                                                          00970000                
FDTEX  EQU   DFFDT-FDTCFG              EXTRA SPACE FOR FIRST ENTRY      00980000                
       EJECT                                                            00990000                
       MEND                                                             01000000