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Thread: A new G888 manchester read/write module

  1. #41
    Join Date
    Jul 2014
    Location
    Rhode Island
    Posts
    1,094

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    Mattis,

    I did some work on a PDP-9/15 paper tape disassembler.
    Can you send me a paper tape image of the game loader?
    Member of the Rhode Island Computer Museum
    http://www.ricomputermuseum.org

  2. #42

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    Michael,

    You can download it from bitsavers: http://www.bitsavers.org/bits/DEC/pd...Collection.zip

    tape09/tape10

  3. #43
    Join Date
    Jul 2014
    Location
    Rhode Island
    Posts
    1,094

    Default

    PDP-9/15 Disassembler
    Hardware Read In Format Selected
    Reading Binary file: C:\FAQ\DEC\pdp9\papertapeImages\From Sandahl\tape09\data.bin
    .FULL
    .LOC 17640
    /
    00000 000000 VAR31 000000
    00030 000000 VAR28 000000
    00031 000000 VAR7 000000
    00077 000000 SUB2 000000
    00100 000000 INS8 000000
    01000 000000 SUB14 000000
    13000 000000 SUB6 000000
    17640 617650 JMP INS1
    17641 000000 VAR20 CAL VAR31
    17642 000077 VAR15 CAL SUB2
    17643 760241 VAR27 LAW 00241
    17644 000000 VAR26 CAL VAR31
    17645 000000 VAR21 CAL VAR31
    17646 121000 VAR14 JMS* SUB14
    17647 013000 VAR29 CAL SUB6
    17650 117754 INS1 JMS SUB9
    17651 157641 DZM VAR20
    17652 750004 LAS /(Load Accumulator from Switches)
    17653 741200 SNA
    17654 617714 JMP INS7
    17655 740100 SMA INS8
    17656 617665 JMP INS3
    17657 217773 LAC VAR2
    17660 117763 JMS SUB11
    17661 742010 RTL
    17662 742120
    17663 617714 JMP INS7
    17664 617677 JMP INS4
    17665 457641 INS3 ISZ VAR20
    17666 744010 RCL
    17667 740400 SNL
    17670 617665 JMP INS3
    17671 750001 CLC
    17672 357641 TAD VAR20
    17673 744010 RCL
    17674 742010 RTL
    17675 742010 RTL
    17676 057641 DAC VAR20
    17677 117754 INS4 JMS SUB9
    17700 217642 LAC VAR15
    17701 040031 DAC VAR7
    17702 140030 DZM VAR28
    17703 157644 DZM VAR26
    17704 217727 LAC VAR10
    17705 057724 DAC VAR24
    17706 217641 LAC VAR20
    17707 057645 DAC VAR21
    17710 217646 LAC VAR14
    17711 117763 JMS SUB11
    17712 740100 SMA INS8
    17713 617716 JMP INS5
    17714 740040 INS7 HLT
    17715 617650 JMP INS1
    17716 237642 INS5 LAC* VAR15
    17717 557645 SAD VAR21
    17720 617741 JMP INS6
    17721 741201
    17722 617714 JMP INS7
    17723 357645 TAD VAR21
    17724 750100 VAR24
    17725 617711 JMP
    17726 217644 LAC VAR26
    17727 750100 VAR10
    17730 777776 LAW 17776
    17731 057644 DAC VAR26
    17732 357641 TAD VAR20
    17733 057645 DAC VAR21
    17734 217724 LAC VAR24
    17735 257774 XOR VAR23
    17736 057724 DAC VAR24
    17737 217775 LAC VAR25
    17740 617711 JMP
    17741 217644 INS6 LAC VAR26
    17742 751100 SPA
    17743 617731 JMP
    17744 217643 LAC VAR27
    17745 040030 DAC VAR28
    17746 217647 LAC VAR29
    17747 117763 JMS SUB11
    17750 741100 SPA
    17751 617714 JMP INS7
    17752 703302 CAF /CLEAR ALL FLAGS
    17753 600100 JMP INS8
    17754 000000 SUB9 CAL VAR31
    17755 707702 EEM /KG09A ENTER EXTENDED MODE
    17756 703302 CAF /CLEAR ALL FLAGS
    17757 700012 IOF + 10 /INTERRUPTS OFF AND CLA)
    17760 705504 ISA /KF09A INITIATE SELECTED ACTIVITY
    17761 707541 DTCA /(TC02 Clear status register A)
    17762 637754 JMP* SUB9
    17763 000000 SUB11 CAL VAR31
    17764 707544 DTXA /(TC02 Exclusive OR AC[0..9] -> status register A, AC[10..11] will clear flags)
    17765 707573 INS9 ????
    17766 751000 SKP
    17767 637763 JMP* SUB11
    17770 707601 DTDF /(TC02 Skip on DECtape flag)
    17771 617765 JMP INS9
    17772 637763 JMP* SUB11
    17773 160000 VAR2 DZM* VAR31
    17774 001000 VAR23 CAL SUB14
    17775 040000 VAR25 DAC VAR31
    17776 617650 JMP INS1

    /The code does not use any PDP-15 instructions
    /Instructions decoded: 102
    Member of the Rhode Island Computer Museum
    http://www.ricomputermuseum.org

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