Optimizing a 6502 image decoder – part II: assembly

Posted by matt_d on Saturday October 04, 2025 @01:51AM
from the colino.net dept.

( 4 comments | 7 points | on HN )

Re:Optimizing a 6502 image decoder – part II: assembly by djmips on Saturday October 04, 2025 @02:55AM (#45471153)

Does it seem like the optimized image has some vertical streaks / artifacts?

[ Parent | on HN ]

Re:Optimizing a 6502 image decoder – part II: assembly by colinlm on Saturday October 04, 2025 @03:16AM (#45471297)

It's moire, an effect of the browser scaling the dithered image

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Re:Optimizing a 6502 image decoder – part II: assembly by sebazzz on Saturday October 04, 2025 @03:50AM (#45471510)

The moire confuses my Samsung 49" ultrawide monitor. The brightness drops significantly when the dithered image is in my viewport.

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Re:Optimizing a 6502 image decoder – part II: assembly by throwawayf8849 on Saturday October 04, 2025 @04:29AM (#45471694)

Graphic and rendering 1MHz 8-bit processor as sector of cross-sections.

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