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Search: Posts Made By: Toni Wilen
Forum: Coders. Asm / Hardware 22 September 2021, 18:24
Replies: 8
Views: 811
Posted By Toni Wilen
Yes and no. It uses sprites to simulate...

Yes and no. It uses sprites to simulate horizontal blanking to workaround always on horizontal DIW but it also uses copper to modify BPLCON1 at exactly correct position to fix the BPLCON1 glitch. Two...
Forum: Coders. Asm / Hardware 22 September 2021, 10:39
Replies: 8
Views: 811
Posted By Toni Wilen
It is a chipset "feature". It is position where...

It is a chipset "feature". It is position where Denise horizontal counter is reset. (Technically beginning of new line) Because counter is reset, BPLCON1 becomes "misaligned".
...
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