Forum Rule: Always post complete source code & details to reproduce any issue!

Search:

Type: Posts; User: monkey

Search: Search took 0.00 seconds.

  1. Replies
    205
    Views
    56,516

    Not necessarily. The CPU might prepare a line...

    Not necessarily. The CPU might prepare a line once, then DMA would reuse it twice to generate the signals. Don't know if it can be done on Teensy.



    But is it freezing the CPU totally, or only...
  2. Replies
    205
    Views
    56,516

    Hi qix67, at 180Mhz, you would have...

    Hi qix67, at 180Mhz, you would have 180,000,000/(320*240)/60 = 39 cycles for each single pixel for a 320x240 frame. Not a lot, but perhaps doable for a simple RLE decompression, with >50% CPU still...
  3. Replies
    205
    Views
    56,516

    Could CPU help with RLE...

    Could CPU help with RLE decompression/sprites/character map? Just allow the user to define a function which generates that 640 pixels every h-retrace and returns, while your library changes these...
Results 1 to 3 of 3