ibm:ibm1130-lib:dmsr2v12:u4dcbin_lst
U4DCBIN
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- u4dcbin.lst
ASM1130 CROSS ASSEMBLER V1.22 -- V2M12 -- Sun Nov 1 19:25:10 2020 Source File: \u4dcbin.asm DECIMAL TO BINARY CONVERSION 2 | *************************************************** U4G00020 3 | * * U4G00030 4 | * SUBROUTINE NAME- * U4G00040 5 | * FULL NAME- DECIMAL TO BINARY CONVERSION * U4G00050 6 | * SUBROUTINE. * U4G00060 7 | * CODE NAME- DCBIN * U4G00070 8 | * PURPOSE- THIS SUBROUTINE CONVERTS A SIGNED * U4G00080 9 | * FIVE DIGIT DECIMAL NUMBER,REPRESENTED BY * U4G00090 10 | * SIX EBCDIC CHARACTERS, TO ITS ONE WORD * U4G00100 11 | * BINARY EQUIVALENT. * U4G00110 12 | * METHOD- * U4G00120 13 | * SEE IBM 1130 SUBROUTINE LIBRARY MANUAL * U4G00130 14 | * CAPABILITIES AND LIMITATIONS- * U4G00140 15 | * SEE IBM 1130 SUBROUTINE LIBRARY MANUAL * U4G00150 16 | * SPECIAL FEATURES- N/A * U4G00160 17 | * ADDITIONAL INFORMATION- * U4G00170 18 | * ESTIMATED EXECUTION TIME- * U4G00180 19 | * SEE IBM 1130 SUBROUTINE LIBRARY MANUAL * U4G00190 20 | * * U4G00200 21 | *************************************************** U4G00210 DECIMAL TO BINARY CONVERSION 23 | LIBR U4G00230 24 | ENT DCBIN U4G00240 0000 6936 25 | DCBIN STX 1 F24+1 CALL ENTRY POINT U4G00250 0001 6580 0000 26 | LINK LDX I1 0 LOADER STORED TV ADDRESS U4G00260 0003 6A35 27 | STX 2 F26+1 SAVE XR2 U4G00270 0004 282F 28 | STS F20 SAVE STATUS U4G00280 0005 D850 29 | STD TEMP SAVE ACC AND EXTENSION U4G00290 0006 C100 30 | LD 1 0 XR1= ADDR OF INPUT PARAM U4G00300 0007 D003 31 | STO F15+1 U4G00310 0008 7101 32 | MDX 1 +1 XR1= RETURN ADDR U4G00320 0009 6931 33 | STX 1 F28+1 U4G00330 000A 6500 0001 34 | F15 LDX L1 1 XR1= INPUT AREA ADDR U4G00340 000C C040 35 | LD D0005 U4G00350 000D D03E 36 | STO COUNT SET COUNT FOR 5 DIGITS U4G00360 000E 1810 37 | SRA 16 U4G00370 000F D046 38 | STO TEMP CLEAR OUTPUT REGISTER U4G00380 0010 C101 39 | F17 LD 1 1 OBTAIN HOLLERITH DIGIT U4G00390 0011 4C18 001FR 40 | BSC L F17A,+- DON'T CONVERT IF BLANK U4G00400 0013 E03F 41 | AND HC00F CHK BITS 0,1,12-15 U4G00410 0014 4C20 0032R 42 | BSC L F19,Z IF ILLEGAL CHAR, EXIT WITH U4G00420 43 | * OVFLO INDR SET. U4G00430 0016 C101 44 | LD 1 1 WHICH ROW BIT IS SET U4G00440 0017 620C 45 | LDX 2 12 U4G00450 0018 1240 46 | SLCA 2 0 XR2= 10 IF 0 ROW,1 IF 9,ETC U4G00460 0019 9038 47 | S H8000 U4G00470 001A 4C20 0032R 48 | BSC L F19,Z EXIT IF NONE OR MANY U4G00480 49 | * ROW BITS SET U4G00490 001C 6A37 50 | STX 2 ROW COMPUTE 10-(XR2) TO GET U4G00500 001D C030 51 | LD D0010 BINARY EQUIVALENT OF U4G00510 001E 9035 52 | S ROW HOLLERITH DIGIT U4G00520 53 | * U4G00530 54 | *COMPUTE BINARY EQUIVALENT FROM DIGITS. U4G00540 55 | * U4G00550 001F 8036 56 | F17A A TEMP ADD PREVIOUS RESULT U4G00560 0020 74FF 004CR 57 | MDX L COUNT,-1 ARE 5 DIGITS DONE YET U4G00570 0022 701C 58 | MDX F42 NO,GO MPY BY 10 U4G00580 0023 D032 59 | STO TEMP YES,STORE FINAL VALUE U4G00590 0024 4C01 0046R 60 | BSC L F44,O MAY BE ERROR IF OVERFLOW U4G00600 0026 C1FC 61 | LD 1 -4 GET SIGN WORD U4G00610 0027 4C18 0034R 62 | BSC L F20,+- SIGN = BLANK U4G00620 0029 9027 63 | S H4000 U4G00630 002A 4C18 003CR 64 | BSC L F40,+- SIGN = MINUS U4G00640 002C 9024 65 | S H4000 U4G00650 002D 4C18 0034R 66 | BSC L F20,+- SIGN = AMPERSAND U4G00660 002F 9020 67 | S H00A0 U4G00670 0030 4C18 0034R 68 | F18 BSC L F20,+- SIGN = PLUS U4G00680 0032 2001 69 | F19 LDS 1 ERROR - SET OVFLO ON U4G00690 0033 7001 70 | MDX F22 AND CARRY OFF U4G00700 0034 2000 71 | F20 LDS 0 RESTORE STATUS U4G00710 0035 C820 72 | F22 LDD TEMP RESTORE ACC AND EXTENSION U4G00720 0036 6500 0000 73 | F24 LDX L1 0 RESTORE XR1 U4G00730 0038 6600 0000 74 | F26 LDX L2 0 RESTORE XR2 U4G00740 003A 4C00 0000 75 | F28 BSC L 0 EXIT U4G00750 76 | * U4G00760 77 | *SECTION TO COMPLEMENT IF MINUS, MPY BY 10, CHECK U4G00770 78 | *FOR -32768 U4G00780 79 | * U4G00790 003C 9019 80 | F40 S TEMP MINUS SIGN, SO COMPLEMENT U4G00800 003D D018 81 | STO TEMP FINAL VALUE U4G00810 003E 70F5 82 | MDX F20 U4G00820 003F A00F 83 | F42 M H0014 MPY BY 10 SCALED -1 U4G00830 0040 4C20 0032R 84 | BSC L F19,Z ERROR IF OVER +32760 U4G00840 0042 108F 85 | SLT 15 PUT PRODUCT IN A REG U4G00850 0043 D012 86 | STO TEMP SAVE INTERMEDIATE RESULT U4G00860 0044 7101 87 | MDX 1 +1 SET XR1 TO GET NEXT DIGIT U4G00870 0045 70CA 88 | MDX F17 RET TO REPEAT LOOP U4G00880 0046 F00B 89 | F44 EOR H8000 IS VALUE -32768 U4G00890 0047 4C20 0032R 90 | BSC L F19,Z NO, IS ERROR U4G00900 0049 C1FC 91 | LD 1 -4 U4G00910 004A F006 92 | EOR H4000 YES, DON'T COMPLIMENT U4G00920 004B 70E4 93 | MDX F18 U4G00930 94 | * U4G00940 95 | *CONSTANTS AND BUFFER AREA U4G00950 96 | * U4G00960 004C 0000 97 | COUNT DC 0 COUNTER FOR 5 DIGITS U4G00970 004D 0005 98 | D0005 DC +5 DECIMAL 5 U4G00980 004E 000A 99 | D0010 DC +10 DECIMAL 10 U4G00990 004F 0014 100 | H0014 DC /0014 10 SCALED -1 U4G01000 0050 00A0 101 | H00A0 DC /00A0 AMPERSAND CHECK U4G01010 0051 4000 102 | H4000 DC /4000 BLANK OR MINUS CHECK U4G01020 0052 8000 103 | H8000 DC /8000 MAX NEG NUMBER U4G01030 0053 C00F 104 | HC00F DC /C00F CHECK ILLEGAL CODE BITS U4G01040 0054 0000 105 | ROW DC 0 TEMPORARY STORAGE FOR DIGIT U4G01050 0056 106 | TEMP BSS E 2 SAVE ACC AND EXT U4G01060 0058 107 | END U4G01070 There were no errors in this assembly === CROSS REFERENCES ========================================================== Name Val Defd Referenced COUNT 004CR 97 36 57 D0005 004DR 98 35 D0010 004ER 99 51 DCBIN 0000R 25 F15 000AR 34 31 F17 0010R 39 88 F17A 001FR 56 40 F18 0030R 68 93 F19 0032R 69 42 48 84 90 F20 0034R 71 28 62 66 68 82 F22 0035R 72 70 F24 0036R 73 25 F26 0038R 74 27 F28 003AR 75 33 F40 003CR 80 64 F42 003FR 83 58 F44 0046R 89 60 H0014 004FR 100 83 H00A0 0050R 101 67 H4000 0051R 102 63 65 92 H8000 0052R 103 47 89 HC00F 0053R 104 41 LINK 0001R 26 ROW 0054R 105 50 52 TEMP 0056R 106 29 38 56 59 72 80 81 86
ibm/ibm1130-lib/dmsr2v12/u4dcbin_lst.txt · Last modified: 2023/08/06 13:34 by Site Administrator