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ibm:ibm1130-lib:dmsr2v12:w1ebc48_lst

W1EBC48

Table Of Contents
  • [00004] 4OF8 - EBC AND EBC - 4OF8 CONVERSION
w1ebc48.lst
ASM1130 CROSS ASSEMBLER V1.22 -- V2M12 -- Sun Nov  1 19:25:11 2020
 
Source File: \w1ebc48.asm 
4OF8 - EBC AND EBC - 4OF8 CONVERSION
 
                             2 | *************************************************** W1A00020
                             3 | * TITLE - EBC48                                   * W1A00030
                             4 | * STATUS - CHANGE LEVEL 3                         * W1A00040
                             5 | * FUNCTION/OPERATION - .EBC48. CONVERTS 4-OF-8    * W1A00050
                             6 | *  CHARACTERS TO EBCDIC OR EBCDIC TO 4-OF-8 CODE, * W1A00060
                             7 | *  DEPENDING ON THE VALUE OF THE CONTROL PARAMETER* W1A00070
                             8 | * ENTRY POINTS - .EBC48. CALL ENTRANCE LIBF EBC48 * W1A00080
                             9 | * INPUT - UNPACKED, LEFT-JUSTIFIED 4-OF-8 CODE    * W1A00090
                            10 | *  CHARACTERS OR PACKED EBCDIC CHARACTERS         * W1A00100
                            11 | * OUTPUT - PACKED EBCDIC CHARACTERS OR UNPACKED,  * W1A00110
                            12 | *  LEFT-JUSTIFIED 4-OF-8 CODE CHARACTERS          * W1A00120
                            13 | * EXTERNAL ROUTINES - .STRTB. TABLE OF 4-OF-8 CODE* W1A00130
                            14 | *  AND EBCDIC CHARACTERS, .HXCV. ROUTINE TO       * W1A00140
                            15 | *  CONVERT 4-OF-8 CODE CHARACTER TO VALUE BETWEEN * W1A00150
                            16 | *  ZERO AND 63.                                   * W1A00160
                            17 | * EXITS-NORMAL - RETURN TO MAINLINE AT LIBF+5     * W1A00170
                            18 | *      -ERROR - INVALID EBCDIC CHARACTER ON INPUT,* W1A00180
                            19 | *  EXIT TO LIBF+5 AFTER CONVERSION IS COMPLETE    * W1A00190
                            20 | *  WITH CARRY OFF AND OVERFLOW ON.                * W1A00200
                            21 | * TABLES/WORK AREAS - NONE                        * W1A00210
                            22 | * ATTRIBUTES - REUSABLE                           * W1A00220
                            23 | * NOTES - THE CALLING SEQUENCE IS                 * W1A00230
                            24 | *               LIBF  EBC48                       * W1A00240
                            25 | *               DC    /000X   CONTROL PARAMETER   * W1A00250
                            26 | *               DC    INPUT   INPUT AREA ADDRS    * W1A00260
                            27 | *               DC    OTPUT   OUTPUT AREA ADDRS   * W1A00270
                            28 | *               DC    NNNN    CHARACTER COUNT     * W1A00280
                            29 | *************************************************** W1A00290
4OF8 - EBC AND EBC - 4OF8 CONVERSION
 
                            31 |       LIBR                                          W1A00310
                            32 |       ENT     EBC48                                 W1A00320
0000 6966                   33 | EBC48 STX   1 SAV1+1    SAVE INDEX REGISTER 1       W1A00330
0001 6580 0000              34 |       LDX  I1 *-*       ADDR FIRST PARAMETER        W1A00340
0003 D86A                   35 |       STD     AQ        SAVE ACC AND EXTENSION      W1A00350
0004 2865                   36 |       STS     LDS       SAVE STATUS                 W1A00360
0005 6917                   37 |       STX   1 MDX1+1    SAVE ADDR 1ST PARAMETER     W1A00370
0006 C101                   38 |       LD    1 1         STORE INPUT BUFFER ADDRESS  W1A00380
0007 D013                   39 |       STO     INPUT+1                               W1A00390
0008 C102                   40 |       LD    1 2         STORE OUTPUT BFR ADDRESS    W1A00400
0009 D057                   41 |       STO     OUTPT+1                               W1A00410
000A C103                   42 |       LD    1 3                                     W1A00420
000B D064                   43 |       STO     CT        CNT OF CHARS TO CONVERT     W1A00430
000C 7104                   44 |       MDX   1 4         SET RETURN ADDR TO USER     W1A00440
000D 695F                   45 |       STX   1 XIT+1     PROGRAM.                    W1A00450
000E 6A5A                   46 |       STX   2 SAV2+1    SAVE USERS XR2              W1A00460
000F C061                   47 |       LD      LIBF      CONVERT LIBF STRTB INTO ACT W1A00470
0010 1088                   48 |       SLT     8         ADDR OF TABLE.              W1A00480
0011 1888                   49 |       SRT     8                                     W1A00490
0012 807E                   50 |       A       K2                                    W1A00500
0013 D001                   51 |       STO     LD+1                                  W1A00510
0014 C700 0000              52 | LD    LD   L3 *-*                                   W1A00520
0016 807B                   53 |       A       K3        CONVERTED ADDRESS           W1A00530
0017 D07D                   54 |       STO     ADDRS                                 W1A00540
0018 6100                   55 |       LDX   1 0                                     W1A00550
0019 62FE                   56 |       LDX   2 -2                                    W1A00560
001A C500 0000              57 | INPUT LD   L1 *-*       FETCH TWO INPUT CHARS       W1A00570
001C 7400 0000              58 | MDX1  MDX  L  *-*,0     CHK DIRECTION OF CONVERSION W1A00580
001E 705B                   59 |       MDX     CNVRT     4 OF 8 TO EBCDIC            W1A00590
001F 18D0                   60 |       RTE     16        SEPARATE AND STORE          W1A00600
0020 1088                   61 |       SLT     8                                     W1A00610
0021 1008                   62 |       SLA     8                                     W1A00620
0022 D87D                   63 |       STD     BUKT                                  W1A00630
0023 F06F                   64 | LOOP  EOR     RCDMK     CHK FOR RECORD MARK         W1A00640
0024 4818                   65 |       BSC     +-        SKIP IF NOT                 W1A00650
0025 C071                   66 |       LD      K8A01    CNVRT E0 TO 6A,PASS TEST 2-3 W1A00660
0026 F06C                   67 |       EOR     RCDMK     RESTORE CHAR TO ORIGINAL    W1A00670
0027 690A                   68 |       STX   1 N2+1                              2-3 W1A00680
0028 61F9                   69 |       LDX   1 -7       THIS PART OF THE         2-3 W1A00681
0029 9500 00A0R             70 | N1    S    L1 N3+7     *PROGRAM TESTS FOR       2-3 W1A00682
002B 4C18 0031R             71 |       BSC  L  N2,+-    *CERTAIN INVALID         2-3 W1A00683
002D 8500 00A0R             72 |       A    L1 N3+7     *EBC-CHARACTERS IN ORDER 2-3 W1A00684
002F 7101                   73 |       MDX   1 1        *TO CONVERT THEM TO      2-3 W1A00685
0030 70F8                   74 |       MDX     N1       *BLANK 4 OF 8 CODE       2-3 W1A00686
0031 6500 0000              75 | N2    LDX  L1 *-*                               2-3 W1A00687
0033 4C18 003AR             76 |       BSC  L  ERR,+-                            2-3 W1A00688
0035 D600 00A2R             77 |       STO  L2 BUKT+2                                W1A00689
0037 1002                   78 |       SLA     2         MODULO 64                   W1A00690
0038 4C02 003DR             79 |       BSC  L  OK2,C     OK ONLY IF 4 BIT PRESENT    W1A00700
003A 1010                   80 | ERR   SLA     16        NO 4 BIT ERROR              W1A00710
003B 2001                   81 |       LDS     1                                     W1A00720
003C 282D                   82 |       STS     LDS                                   W1A00730
003D D00E                   83 | OK2   STO     HOLD+1    CONTINUE VALIDITY CHECK     W1A00740
003E 1002                   84 |       SLA     2                                     W1A00750
003F 1801                   85 |       SRA     1                                     W1A00760
0040 9053                   86 |       S       K9                                    W1A00770
0041 4C08 0072R             87 |       BSC  L  CONTU,+                               W1A00780
0043 C600 00A2R             88 |       LD   L2 BUKT+2                                W1A00790
0045 4C08 003AR             89 |       BSC  L  ERR,+     ERROR IF A-F                W1A00800
0047 C004                   90 | GATHR LD      HOLD+1    BUILD ADDRESS IN STRTB TO   W1A00810
0048 180A                   91 |       SRA     10        FIND 4 OF 8 CHARACTER.      W1A00820
0049 804B                   92 |       A       ADDRS                                 W1A00830
004A D001                   93 |       STO     HOLD+1                                W1A00840
004B C400 0000              94 | HOLD  LD   L  *-*       FETCH CHAR                  W1A00850
004D E048                   95 |       AND     MASK2     ELIMINATE EBC BITS (8-15)   W1A00860
004E D600 00A2R             96 |       STO  L2 BUKT+2    SAVE CONVERTED CHARACTER    W1A00870
0050 C600 00A3R             97 |       LD   L2 BUKT+3    FETCH NEXT CHARACTER        W1A00880
0052 7201                   98 |       MDX   2 1                                     W1A00890
0053 70CF                   99 |       MDX     LOOP      GO CONVERT SECOND OF TWO    W1A00900
0054 C00C                  100 |       LD      OUTPT+1   SET TO STORE 1ST 4 OF 8     W1A00910
0055 D002                  101 |       STO     PUT+1     CHARACTER.                  W1A00920
0056 C049                  102 |       LD      BUKT      GET 1ST CONVERTED CHARACTER W1A00930
0057 D500 0000             103 | PUT   STO  L1 *-*       AND STORE TO OUTPUT BUFFER. W1A00940
0059 7401 0061R            104 |       MDX  L  OUTPT+1,1 TO STORE 2ND CONVERTED CHAR W1A00950
005B 74FF 0070R            105 |       MDX  L  CT,-1     DECR CHAR COUNT             W1A00960
005D 7001                  106 |       MDX     *+1                                   W1A00970
005E 7007                  107 |       MDX     SAV1      EXIT ON ZERO CHAR COUNT     W1A00980
005F C041                  108 |       LD      BUKT+1                                W1A00990
0060 D500 0000             109 | OUTPT STO  L1 *-*       ST TO USER'S OUTPUT BUFFER  W1A01000
0062 7101                  110 |       MDX   1 1         INCREMENT BUFFER POINTER    W1A01010
0063 74FF 0070R            111 |       MDX  L  CT,-1     DECR CHAR COUNT             W1A01020
0065 70B3                  112 |       MDX     INPUT-1   GO CONVERT NEXT TWO CHARS   W1A01030
0066 6500 0000             113 | SAV1  LDX  L1 *-*       RESTORE USERS XR1           W1A01040
0068 6600 0000             114 | SAV2  LDX  L2 *-*       RESTORE USERS XR2           W1A01050
006A 2000                  115 | LDS   LDS     0                                     W1A01060
006B C802                  116 |       LDD     AQ                                    W1A01070
006C 4C00 0000             117 | XIT   BSC  L  *-*       RETURN TO USER              W1A01080
006E                       118 | AQ    BSS  E  2        ACC AND EXT TEMP.            W1A01081
0070 0000                  119 | CT    DC               CHAR COUNT TEMP.             W1A01082
0071 228D*98C2             120 | LIBF  LIBF    STRTB    CALL STRTB,1 WORD CALL       W1A01083
0072 8025                  121 | CONTU A       K7                                    W1A01090
0073 4C28 0047R            122 |       BSC  L  GATHR,Z+  NO CHK IF RT HEX IS 0 OR 1  W1A01100
0075 C600 00A2R            123 |       LD   L2 BUKT+2    ENSURE LFT HEX IS C THRU F  W1A01110
0077 4C10 003AR            124 |       BSC  L  ERR,-                                 W1A01120
0079 70CD                  125 |       MDX     GATHR     OK - GO CONVERT             W1A01130
007A 6A02                  126 | CNVRT STX   2 SVX2+1    SET TO PROCESS 2 CHARACTERS W1A01140
007B 089C*3940             127 |       LIBF    HXCV      CONVERT 4OF8 TO 0-63 RLTV   W1A01150
007C 6600 0000             128 | SVX2  LDX  L2 *-*                                   W1A01160
007E 8016                  129 |       A       ADDRS     ADD BASE ADDR OF STRTB      W1A01170
007F 9012                  130 |       S       K3        ADJUST                      W1A01180
0080 D001                  131 |       STO     *+1                                   W1A01190
0081 C400 0000             132 |       LD   L  *-*       FETCH EBCDIC CHAR           W1A01200
0083 1008                  133 |       SLA     8         ELIMINATE 4 OF 8 BITS       W1A01210
0084 D600 00A2R            134 |       STO  L2 BUKT+2                                W1A01220
0086 7201                  135 |       MDX   2 1                                     W1A01230
0087 7003                  136 |       MDX     JUMP      GO PROCESS NEXT CHARACTER   W1A01240
0088 1808                  137 |       SRA     8         CHARS INTO ONE WORD         W1A01250
0089 E816                  138 |       OR      BUKT                                  W1A01260
008A 70D5                  139 |       MDX     OUTPT     GO STORE 2 CHARS IN OUTPUT  W1A01270
008B 7401 001BR            140 | JUMP  MDX  L  INPUT+1,1 POINT TO NEXT INPUT CHAR    W1A01280
008D 74FF 0070R            141 |       MDX  L  CT,-1     DECR CHAR COUNT             W1A01290
008F 708A                  142 |       MDX     INPUT     GO FETCH NEXT INPUT CHAR    W1A01300
0090 70CF                  143 |       MDX     OUTPT     GO STORE LAST CHARACTER     W1A01310
0091 0002                  144 | K2    DC      2         ADDR MODIFICATION CONSTANT  W1A01350
0092 0003                  145 | K3    DC      3         ADDR MODIFICATION CONSTANT  W1A01360
0093 E000                  146 | RCDMK DC      /E000     RECORD MARK CONSTANT        W1A01370
0094 4800                  147 | K9    DC      /4800     VALIDITY CHECK CONSTANT     W1A01380
0095 0000                  148 | ADDRS DC                BASE ADDR OF STRTB TABLE    W1A01390
0096 FF00                  149 | MASK2 DC      /FF00     LEFT DIGIT EXTRACT MASK     W1A01400
0097 8A01                  150 | K8A01 DC      /8A01    RECORD MARK CONST.       2-3 W1A01410
0098 3800                  151 | K7    DC      /3800     VALIDITY CHK CONSTANT       W1A01420
0099 4100                  152 | N3    DC      /4100    INVALID EBC-CHAR         2-3 W1A01421
009A 5100                  153 |       DC      /5100    INVALID EBC-CHAR         2-3 W1A01422
009B 6A00                  154 |       DC      /6A00    INVALID EBC-CHAR         2-3 W1A01423
009C 7000                  155 |       DC      /7000    INVALID EBC-CHAR         2-3 W1A01424
009D 7100                  156 |       DC      /7100    INVALID EBC-CHAR         2-3 W1A01425
009E D000                  157 |       DC      /D000    INVALID EBC-CHAR         2-3 W1A01426
009F E100                  158 |       DC      /E100    INVALID EBC-CHAR         2-3 W1A01427
00A0                       159 | BUKT  BSS  E  2         CONVERTED CHAR TEMPORARY    W1A01430
00A2                       160 |       END                                           W1A01440
 
There were no errors in this assembly
 
=== CROSS REFERENCES ==========================================================
Name  Val   Defd  Referenced
ADDRS 0095R  148   54   92  129
AQ    006ER  118   35  116
BUKT  00A0R  159   63   77   88   96   97  102  108  123  134  138
CNVRT 007AR  126   59
CONTU 0072R  121   87
CT    0070R  119   43  105  111  141
EBC48 0000R   33
ERR   003AR   80   76   89  124
GATHR 0047R   90  122  125
HOLD  004BR   94   83   90   93
INPUT 001AR   57   39  112  140  142
JUMP  008BR  140  136
K2    0091R  144   50
K3    0092R  145   53  130
K7    0098R  151  121
K8A01 0097R  150   66
K9    0094R  147   86
LD    0014R   52   51
LDS   006AR  115   36   82
LIBF  0071R  120   47
LOOP  0023R   64   99
MASK2 0096R  149   95
MDX1  001CR   58   37
N1    0029R   70   74
N2    0031R   75   68   71
N3    0099R  152   70   72
OK2   003DR   83   79
OUTPT 0060R  109   41  100  104  139  143
PUT   0057R  103  101
RCDMK 0093R  146   64   67
SAV1  0066R  113   33  107
SAV2  0068R  114   46
SVX2  007CR  128  126
XIT   006CR  117   45
ibm/ibm1130-lib/dmsr2v12/w1ebc48_lst.txt ยท Last modified: 2023/08/06 13:34 by Site Administrator