ibm:ibm1130-lib:dmsr2v12:u4bindc_lst
U4BINDC
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- u4bindc.lst
ASM1130 CROSS ASSEMBLER V1.22 -- V2M12 -- Sun Nov 1 19:25:09 2020 Source File: \u4bindc.asm INTEGER BINARY TO DECIMAL CONVERSION 2 | *************************************************** U4B00020 3 | * * U4B00030 INTEGER BINARY TO DECIMAL CONVERSION 5 | * SUBROUTINE NAME- * U4B00050 6 | * FULL NAME- INTEGER BINARY TO DECIMAL CON- * U4B00060 7 | * VERSION SUBPROGRAM. * U4B00070 8 | * CODE NAME- BINDC * U4B00080 9 | * PURPOSE- THIS SUBPROGRAM CONVERTS A ONE-WORD * U4B00090 10 | * BINARY INTEGER TO A STRING OF EBCDIC * U4B00100 11 | * CHARACTERS REPRESENTING THE CORRESPONDING * U4B00110 12 | * DECIMAL VALUE. * U4B00120 13 | * METHOD- * U4B00130 14 | * SEE IBM 1130 SUBROUTINE LIBRARY MANUAL * U4B00140 15 | * CAPABILITIES AND LIMITATIONS- * U4B00150 16 | * SEE IBM 1130 SUBROUTINE LIBRARY MANUAL * U4B00160 17 | * SPECIAL FEATURES- N/A * U4B00170 18 | * ADDITIONAL INFORMATION- * U4B00180 19 | * ESTIMATED EXECUTION TIME- * U4B00190 20 | * SEE IBM 1130 SUBROUTINE LIBRARY MANUAL * U4B00200 21 | * * U4B00210 22 | *************************************************** U4B00220 23 | *** HDNG LIBF BINDC-V1. U4B00230 24 | LIBR U4B00240 25 | ENT BINDC U4B00250 26 | * U4B00260 0000 6926 27 | BINDC STX 1 BC20+1 CALL ENTRY POINT (+0) U4B00270 0001 6580 0000 28 | LINK LDX I1 0 LOADER STORES TV ADDR (+2) U4B00280 0003 2824 29 | STS BC22 SAVE STATUS U4B00290 0004 D83D 30 | STD SAVE SAVE ACC AND EXT U4B00300 0005 D040 31 | STO VALUE SAVE VALUE TO BE CONVERTED U4B00310 0006 C100 32 | LD 1 0 XR1= ADDR OF OUTPUT PARAM U4B00320 0007 D01B 33 | STO BC16+1 SET UP OUTPUT ADDR U4B00330 0008 7101 34 | MDX 1 +1 XR1= RETURN ADDR U4B00340 0009 6921 35 | STX 1 BC26+1 SET UP RETURN ADDR U4B00350 000A 6105 36 | LDX 1 +5 XR1= COUNT FOR 5 DIGITS U4B00360 000B C03A 37 | LD VALUE GET BINARY NO. INPUT U4B00370 000C 4C28 002CR 38 | BSC L BC30,Z+ IF NEG, GO TO SET SIGN U4B00380 000E C02F 39 | LD H80A0 IF POS, GET CARD CODE & U4B00390 000F D480 0023R 40 | BC06 STO I BC16+1 ST SIGN IN OUTPUT AREA U4B00400 41 | * U4B00410 42 | *LOOP TO COMPUTE DECIMAL DIGITS U4B00420 43 | * U4B00430 0011 C034 44 | BC10 LD VALUE GET INPUT VALUE=N U4B00440 0012 A027 45 | M H1999 MPY BY ONE-TENTH U4B00450 0013 D031 46 | STO TEMP ST TRUNCATED TENTH OF N U4B00460 0014 A02B 47 | M N0010 MPY BY -10 TO GET -N PLUS U4B00470 0015 1090 48 | SLT 16 PUT PRODUCT IN ACC U4B00480 0016 4801 49 | BSC O IS DIGIT FIRST OF -32768 U4B00490 0017 8020 50 | A D0001 YES, INCR 32767 TO 32768 U4B00500 0018 802D 51 | A VALUE GET ONLY LAST DIGIT AND PUT U4B00510 0019 802A 52 | A SHIFT *INTO SHIFT RT INSTRUCTION U4B00520 001A D006 53 | STO BC14 *TO SHIFT HOLLERITH CHAR U4B00530 001B 901D 54 | S H180A IF DIGIT GT 9, APPROXIMATED U4B00540 001C 4C10 0033R 55 | BSC L BC34,- *TENTH GAVE ERROR- SUBTRACT U4B00550 001E C026 56 | BC12 LD TEMP OTHERWISE, SET VALUE TO ONE U4B00560 001F D026 57 | STO VALUE *TENTH OF N FOR NEXT DIGIT U4B00570 0020 C01A 58 | LD H2000 =HOLLERITH ZERO. SHIFTING U4B00580 0021 1800 59 | BC14 SRA 0 *GIVES RT HOLL DIGIT U4B00590 0022 D500 0000 60 | BC16 STO L1 0 ST IN OUTPUT AREA U4B00600 0024 71FF 61 | MDX 1 -1 ARE FIVE DIGITS DONE U4B00610 0025 70EB 62 | MDX BC10 IF NOT, REPEAT LOOP U4B00620 0026 6500 0000 63 | BC20 LDX L1 *-* YES, RESTORE XR1 U4B00630 0028 2000 64 | BC22 LDS *-* RESTORE STATUS U4B00640 0029 C818 65 | LDD SAVE RESTORE ACC AND EXT U4B00650 002A 4C00 0000 66 | BC26 BSC L 0 EXIT U4B00660 67 | * U4B00670 68 | *SECTION TO TREAT NEGATIVE NUMBERS INPUT U4B00680 69 | * U4B00690 002C 1810 70 | BC30 SRA 16 CLEAR ACCUMULATOR U4B00700 002D 9018 71 | S VALUE GET COMPLEMENT OF N, WHICH U4B00710 002E 4808 72 | BSC + *IS NEG ONLY IF N = -32768 U4B00720 002F C00D 73 | LD H7FFF IF NEG, USE N=+32767 U4B00730 0030 D015 74 | STO VALUE ST ABS VALUE U4B00740 0031 C00A 75 | LD H4000 GET A HOLLERITH MINUS AND U4B00750 0032 70DC 76 | MDX BC06 STORE - AS SIGN U4B00760 77 | * U4B00770 78 | *ERROR CORRECTION PROCEDURE IF DIGIT IS GT 9 U4B00780 79 | * U4B00790 0033 8010 80 | BC34 A SHIFT RESTORE SHIFT PART OF CON U4B00800 0034 D0EC 81 | STO BC14 DECR DIGIT VALUE BY 10 U4B00810 0035 7401 0045R 82 | MDX L TEMP,+1 CORRECT TEMP TO CORRESPOND U4B00820 0037 70E6 83 | MDX BC12 RETURN. U4B00830 84 | * U4B00840 85 | *CONSTANTS AND BUFFER AREA U4B00850 86 | * U4B00860 0038 0001 87 | D0001 DC +1 DECIMAL +1 U4B00870 0039 180A 88 | H180A DC /180A HOLLERITH ZERO. U4B00880 003A 1999 89 | H1999 DC /1999 = .1 SCALED ** -16 U4B00890 003B 2000 90 | H2000 DC /2000 HOLLERITH ZERO. U4B00900 003C 4000 91 | H4000 DC /4000 HOLLERITH MINUS. U4B00910 003D 7FFF 92 | H7FFF DC /7FFF +32767 U4B00920 003E 80A0 93 | H80A0 DC /80A0 HOLLERITH + U4B00930 003F A000 94 | HA000 DC /A000 =-10 SCALED **-16 U4B00940 0040 FFF6 95 | N0010 DC -10 DECIMAL -10 U4B00950 0042 96 | SAVE BSS E 2 ACC AND EXT TEMPORARY U4B00960 0044 1800 97 | SHIFT SRA 0 SHIFT HOLLERITH ZERO AMOUNT U4B00970 0045 0000 98 | TEMP DC 0 ST ONE TENTH OF VALUE U4B00980 0046 0000 99 | VALUE DC 0 VALUE TO BE CONVERTED U4B00990 0047 100 | END U4B01000 There were no errors in this assembly === CROSS REFERENCES ========================================================== Name Val Defd Referenced BC06 000FR 40 76 BC10 0011R 44 62 BC12 001ER 56 83 BC14 0021R 59 53 81 BC16 0022R 60 33 40 BC20 0026R 63 27 BC22 0028R 64 29 BC26 002AR 66 35 BC30 002CR 70 38 BC34 0033R 80 55 BINDC 0000R 27 D0001 0038R 87 50 H180A 0039R 88 54 H1999 003AR 89 45 H2000 003BR 90 58 H4000 003CR 91 75 H7FFF 003DR 92 73 H80A0 003ER 93 39 HA000 003FR 94 LINK 0001R 28 N0010 0040R 95 47 SAVE 0042R 96 30 65 SHIFT 0044R 97 52 80 TEMP 0045R 98 46 56 82 VALUE 0046R 99 31 37 44 51 57 71 74
ibm/ibm1130-lib/dmsr2v12/u4bindc_lst.txt · Last modified: 2023/08/06 13:34 by Site Administrator