I found a small stack of DM74165's in my IC collection. I removed and socketed B2 and replaced it with my DM74165. Character noise now all cleared up. Perfect! Ruud's program looks good and clear now. Still won't start from BASIC 2 set/ Phil On May 16, 2011, at 11:00 AM, Philip Lord wrote: > One thing that Ruud's program confirms is that the left most column 1 and 2 are repeating: > See video at the bottom of the page here: > > http://web.me.com/lord_philip/other_computers/20012.html > > Phil > > On May 16, 2011, at 10:30 AM, Philip Lord wrote: > >> Thanks Ruud, >> I tried out your image in a 2532 at H4. >> >> It displays a set of all the characters, then displays the inverse set, and repeats. I'm assuming this is correct? >> >> I still have the pixel flicker, and character distortion. I will hopefully be able to get a 74LS165 today, and swap it out sometime soon. >> >> Thanks again >> >> Phil >> >> >> >> On May 16, 2011, at 5:42 AM, Ruud@Baltissen.org wrote: >> >>> Hallo Philip, >>> >>> >>>> Any chance you could email me a .bin file of that which I can burn >>>> to a EPROM. >>> >>> >>> .ba $F000 >>> Reset >>> sei >>> cld >>> >>> ;** Fill screen with values 0..$FF >>> ldx #0 >>> L0 >>> txa >>> sta $8000,X >>> sta $8100,X >>> sta $8200,X >>> sta $8300,X >>> inx >>> bne L0 >>> L1 >>> beq L1 >>> >>> >>> IRQ >>> NMI >>> rti >>> >>> .ba $FFFA >>> .wo NMI >>> .wo Reset >>> .wo IRQ >>> .en >>> >>> BIN is attached. >>> >>> >>>> After burning some BASIC 2 EPROMs, it seems I'm now getting a reset as the >>>> screen fills with garbage than after about 1/2 a second goes completely >>>> blank...I think this is progress. >>> >>> The blanking is done by the CPU so this is indeed a progress. >>> >>> >>> -- >>> ___ >>> / __|__ >>> / / |_/ Groetjes, Ruud Baltissen >>> \ \__|_\ >>> \___| http://Ruud.C64.org >>> >>> >>> >>> >>> >>> >>> The following section of this message contains a file attachment >>> prepared for transmission using the Internet MIME message format. >>> If you are using Pegasus Mail, or any other MIME-compliant system, >>> you should be able to save it or view it from within your mailer. >>> If you cannot, please ask your system administrator for assistance. >>> >>> ---- File information ----------- >>> File: KERNAL2.BIN >>> Date: 15 May 2011, 22:37 >>> Size: 4096 bytes. >>> Type: Unknown >>> <KERNAL2.BIN> >> >> >> Message was sent through the cbm-hackers mailing list > > > Message was sent through the cbm-hackers mailing list Message was sent through the cbm-hackers mailing listReceived on 2011-05-16 05:00:11
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