popmilo Posted November 23, 2021 Author Share Posted November 23, 2021 14 hours ago, foft said: Would it be possible to set the dmactl bit 6 and 7 to zero please? I have some extended 2x and 4x dot clock modes in the FPGA cores on these bits. Sure, sorry for that, don't know why those bits were not zero It's some init code I keep copy pasting last ten years I think blokz_dmactl_67_zero.xex ps. I've tried fixing that scroll buffer bug fixed, but ntsc timing is so tight I can't do it by simply adjusting scroll buffer height... Gonna need some looking into it. There's of course no reason why ntsc shouldn't be able to scroll such a simple looking screen... Pal just made me lazy... 3 Quote Link to comment Share on other sites More sharing options...
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