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Recent content by dk_spb

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    .dev library for JED2AHDL

    I would like to use JED2AHDL for 'decompile' 82s100. When I trying JED2AHDL filename -dev f100 responce is Fatal Error 0034: Can't open .dev file 'f100.dev' Manual said "JED2AHDL is not stand-alone, but uses library files from an existing ABEL or Synario installation. JED2AHDL requires ABEL...
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    newbie's questions about PAL

    I have replaced IC already. It was broken.
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    newbie's questions about PAL

    >copy of pin 1 which is a clock It is PAL16L8 ("chip p13 PAL16L8"). Pin 1 is not clock pin. >Is your OE pin connected to GND or controlled by another IC? Probably GND. It is PAL16L8 without OE pin.
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    newbie's questions about PAL

    Could anybody advice me: chip p13 PAL16L8 i1=1 i2=2 i3=3 i4=4 i5=5 i6=6 i7=7 i8=8 i9=9 GND=10 i11=11 o12=12 f13=13 f14=14 f15=15 o16=16 f17=17 f18=18 o19=19 VCC=20 equations /f18 = i1 f18.oe = vcc /o16 = /f18 o16.oe = vcc ..... Does it possible that pin 16 and 18 has a same status as pin 1...
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    newbie's questions about PAL

    Many thank for help! I have read it by other programmer and get inversed fuses (the same data but inversed). equation from new programmer /o19 = /i6 * i9 + /i4 * i9 o19.oe = f16 * i9 /o18 = /i5 * i7 * /i8 * /i11 o18.oe = vcc /o17 = i5 * /i7 * /i8 * /i11 o17.oe = vcc /f16 = vcc f16.oe = i4 *...
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    newbie's questions about PAL

    Thank you very much! I have tried JEDPAL from PALASM4. Not successful. >jedpal.exe p4.jed -dev 16L8 PALASM4 JEDC - MARKET RELEASE 1.5 (7-10-92) (C) - COPYRIGHT ADVANCED MICRO DEVICES INC., 1992 |> ERROR J150 Input file P4.JED terminated prematurely. No Boolean equation design file is...
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    newbie's questions about PAL

    Thank you very much. Security fuse was a 1st question for me
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    newbie's questions about PAL

    May be. I have used National Semiconductor's Opal Jr. (from end of this page http://www.brouhaha.com/~eric/retrocomputing/mmi/palasm/). I can't find any other JED2EQN or JED2PLD.
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    newbie's questions about PAL

    I have read 10+ different PAL16 (L8 and R4) from board - all with these strange "+vcc" and pairs "* iX * /iX"
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    newbie's questions about PAL

    Source .jed and converted .eqn
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    newbie's questions about PAL

    I need to repair the old computer and need to understand PAL16L8 functions. I have read it by programmer and got .jed file. Convert .jed to .eqn file by OPAL Jr. software. Could anybody help me to answer for few questions about part of this code chip p4 PAL16L8 i1=1 i2=2 i3=3 i4=4 i5=5 i6=6...

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