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Zach

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Posts posted by Zach


  1. I was looking on the Atariage site for references to Go, but I didn't find any right away, but I'm sure others have brought this topic up before someplace.

     

    You're right. It has been discussed at least a couple times before in these forums. Of course it's a difficult word to search for because "go" means two things.

     

    http://www.atariage.com/forums/viewtopic.php?t=28084

     

    http://www.atariage.com/forums/viewtopic.php?t=33927

     

    Glad someone else around here has heard of Xiangqi. I prefer it to Western Chess. :)


  2. That didn't work for me. icon_frown.gif

     

    Sorry to hear that. When I make vcsbase.mdb read-only it doesn't load. When I make it readable it does. Until you getting it working, at least you can put in your Krokodile cart into the VCS as is and check out some cool Chronocolour graphics. (or is that Khronocolour? :))


  3. Mine just arrived today too, and I got the same error message. It was easily fixed by copying Krokodile Commander to the hard disk, getting properties on the two files in that directory, and unchecking the read-only box.

     

    I'm finally playing Elk Attack on my console. :)


  4. Hey don't worry about it.

    I'm not worried. It took around 5 minutes to fix your name with a hacking tool. I don't want you to have a cart with your name misspelled, and I suspect Al and Stan feel the same way.

     

    lots of people think I am Chinese. Mund-Chow, like Chow Mein I guess

    I can see that. I had a Vietnamese classmate with a somewhat similar name: My Chau.


  5. Hey Robert,

     

    It'll be no problem to create a new binary with your name spelled correctly. Sorry about that. I did take time to check the spelling of everything, but this error slipped through. Don't take it personally; I've been known to make typos with English words too.

     

    Zach


  6. A lot of great projects were done last year. Thanks to Stan for taking on the difficult task of selecting a few to be highlighted.

     

    I enjoyed contributing to the awards this year, but I didn't do it alone. Dennis Debro, Thomas Jentzsch, Andrew Davie, and Eckhard Stolberg all helped directly or indirectly. Thanks!

     

    Congratulations to the award recipients! :thumbsup:


  7. Love the 1 player Combat!

     

    Thanks! You might be interested to know that the program runs on an original Atari 2600 too. If you want to run it on a Cuttle or Krokodile cart, you can go get the binary here.

     

    You should know that I consider the version on the Anthology to be an unfinished work. It was indicated as such in the Atari 80 Games compilation for the PC, but I haven't seen any mention of that in the Anthology. The demo has known bugs and does not implement certain ideas for making the AI tank a tougher opponent.


  8. When I first announced Tank AI on the Stella Mailing list I wrote:

     

    We realize that implementing an AI algorithm in a VCS is a serious

    challenge, but we will give it a go.

     

    I'm falling back on this statement now. I did give it a go, and made excellent progress towards a one-player Combat, but I'm abandoning the project. I no longer have the time for VCS programming I had in school. Perhaps someone will build on the work I've done and finish Tank AI.


  9. I'm glad you asked this question, johnnywc! I too had the exact same problem trying to make a 48 pixel sprite with the same six digit score routine.

     

    After reading this thread, I found Eckhard Stolberg's movable 48 pixel sprite at qotile.net. For what it's worth, here is my modification to Eckhard's routine. The instructions that load sprite data have been changed from indirect addressing to absolute in order to save RAM.

     

    X3:             NOP
    
                   NOP
    
                   ldx     #0            ; orginally NOP
    
                   LDY     LoopCount
    
                   lda     Data,Y        ; orginally LDA     (s1),Y
    
                   sta     GRP0,X        ; "         STA     GRP0
    
                   lda     Data+10,Y     ; "         LDA     (s2),Y
    
                   sta     GRP1,X        ; "         STA     GRP1
    
                   lda     Data+20,Y     ; "         LDA     (s3),Y
    
                   sta     GRP0,X        ; "         STA     GRP0
    
                   lda     Data+50,Y     ; "         LDA     (s6),Y
    
                   sta     Temp,X        ; "         STA     Temp
    
                   lda     Data+40,Y     ; "         LDA     (s5),Y
    
                   TAX
    
                   lda     Data+30,Y     ; "         LDA     (s4),Y
    
                   nop                   ; new line
    
                   LDY     Temp
    
                   STA     GRP1
    
                   STX     GRP0
    
                   STY     GRP1
    
                   STA     GRP0
    
                   DEC     LoopCount
    
                   BPL     X3


  10. OK. I answered my own question about Centipede with flickering by reading the link above.

     

    You need about 20 reads per frame to get a good

    control over the cursor. Doing it only once per frame

    would only result in jerky movement, as you would never be

    able to read the next value of the code sequence.

     

    So when Thomas said "very frequently", he meant more than once per two frames.


  11. By the way:

    Also, can anyone point me to some info on how the trackballs behave from a software point of view - i.e. which bits do what when you move the ball this way or that way?

     

    If I were you, I'd search the Stella list, and also disassemble Thomas' Missile Command TB and compare it to a disassembly of the original.

     

    Here's a good link to start with:

    http://www.biglist.com/lists/stella/archiv...0/msg00472.html

     

    By the way #2:

    Even if Centipede/Millipede won't work. I always thought Othello TB would be fun. It may even be feasible. :)


  12. Hi,

     

    CPUWIZ only made 30 reproductions of NTSC Save Our Ship with a wooden box, and I believe more than 30 people wanted one. Most of these are now in the hands of collectors who will not let go of them easily. I on the other hand am raising money for a Krokodile Cart and for charity.

     

    So here's my offer. I will sell Save Our Ship #17 for $120, and $60 of that will go to the Sacramento SPCA. Please PM me or post to this thread to reply. First reply gets it.

     

    I will accept personal check or money order in US funds. As usual, a personal check will have to clear before shipping comences. Shipping within the U.S. is included in the price, and we can work out a shipping fee for other countries.

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