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mono

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Everything posted by mono

  1. mono
    Brilliant!
  2. mono
    Flight of the mosquito-bee
  3. mono
    @neuling: h- may be insufficient if you need the continuous memory area. Take a look at f+ opt switch and b- if your (cartridge) memory is banked (rmb/nmb/lmb directives and =label as well as :label references are helpful for such model).
  4. mono
    Yes. It works with POKEYMAX if it has SID emulation inside. This player is not released yet, however it was created a years ago. I'll plan to do this in the near future.
  5. mono
    Spaghetti games.
  6. mono
    Yes, there is an picture made by Irwin years ago named "Impossible is nothing" https://demozoo.org/graphics/62641/.
  7. mono
    Exactly. I'm pushing pixel pattern at Virtual DMA cycle using BIT $x0 or BIT $x0x0 instruction as @phaeron already explained. Also I've implemented 240-hires scanlines bugfix using your algorithm. So, as you can see I didn't invent anything, but just sit and did the job @phaeron Thanks a million for your "Altirra Hardware Reference Manual" - I studied its ANTIC scanline diagrams for different modes. It's very helpful.
  8. mono
    On the page 77 in the section "Dynamic changes to playfield width" - there is "The playfield width bits in DMACTL[1:0], and the horizontal scroll position bits in HSCROL[3:1](...)", but I think it should be HSCROL[3:0].
  9. mono
    Altirra Hardware Reference Manual released at 2023-10-09. On page 70 in section "Mode lines unusual height" we have got "For IR mode 2, rows 8-9 are blanked for characters $00-5F and $80-BF(...)" - shouldn't it be $DF?
  10. mono
    Congratulation for the winners! I voted Buddy's "Unexpectedly Short" however, and was in big trouble if choose this one or "Pokey Atmosphere". Could you consider future compo where rating vote is possible? Thanks a lot for all this music and for compo!
  11. mono
    Could you publish authors of all tunes?
  12. mono
    XEDISK by Epi: https://github.com/epi/xedisk FRANNY by Bober: https://sourceforge.net/projects/atari8/files/franny/Franny-1.1.3/
  13. mono
    @Mr Robot: Could you share your ATASCII Art source or binary (.xex) file?
  14. mono
    Could somebody share original Logiker's .asc or .psci logo files for 2nd and 1st editions of ATASCII Compo? Edit: Or .xex files.
  15. mono
    Thanks a lot. I thought it's more complex and there is no signal under special circumstances, even though it should be there.
  16. mono
    I mean what signal, looking from the outside of computer, is present or expected on SIO Clock In (BCLK) and SIO Clock Out (ACLK) in specific SIO clock mode/configuration.
  17. mono
    Altirra Hardware Reference Manual: description of SKSTAT register in section 14.4. POKEY on page 383 - register bits SO and KO bits in byte are swapped, but bit descriptions below are ok. And a question: what signal is present or required on CLOCKIN and CLOCKOUT SIO port pins when requested clock mode is selected (section 5.6. Serial Port - table 10 on page 110)?
  18. mono
    https://forums.atariage.com/topic/320982-sfx-engine/
  19. mono
    @EricBall Nice to hear. Thanks a million!
  20. mono
    @EricBall I found your site very useful to understand how different modes work. So I was worry once I realized it disappeared. Thanks. Thanks a lot guys for your recommendations.
  21. mono
    Does anyone know what happened with Eric Ball's Atari7800 Wiki page on https://sites.google.com/site/atari7800wiki/ ? There was very good description of pixel color determining scheme, kangaroo mode, and many others. Is this anywhere archived or integrated with any 7800 wiki beside https://web.archive.org/web/20201101094955/https://sites.google.com/site/atari7800wiki/graphics-modes/palette-sprite-bits archive? That would be a pitty to lost informations from this site.
  22. mono
    http://atariki.krap.pl/images/a/a2/Simm-exp-b1fix.png All bits except bit 0 are used to select bank. Once bit 4 is set then bit 7 (SELF TEST) and 1 (BASIC ROM) have normal meaning. Bit 0 always selects OS ROM. Edit: It's 1MB SIMM expansion.
  23. mono
    BCx and BPL/BMI are not equivalents! BPL/BMI are for U2Two's Complement number comparisons, and BCx are for normal binary numbers.
  24. mono
    https://csdb.dk/release/?id=161763 https://csdb.dk/release/?id=160834 https://csdb.dk/release/?id=160781
  25. mono
    A MOD B <=> A-B*INT(A/B)
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