Outils pour utilisateurs
back2root:archives:denthor:part-02
Différences
Ci-dessous, les différences entre deux révisions de la page.
| Les deux révisions précédentesRévision précédente | |||
| back2root:archives:denthor:part-02 [2023/05/20 23:26] – [What is the Pallette?] frater | back2root:archives:denthor:part-02 [2023/05/20 23:28] (Version actuelle) – [How do I stop the "fuzz" that appears on my screen when I change the pallette?] frater | ||
|---|---|---|---|
| Ligne 79: | Ligne 79: | ||
| The way we counter this is as follows : There is an elctron beam on your monitor that is constantly updating your screen from top to bottom. As it gets to the bottom of the screen, it takes a while for it to get back up to the top of the screen to start updating the screen again. The period where it moves from the bottom to the top is called the Verticle Retrace. During the verticle retrace you may change the pallette without affecting what is on the screen. What we do is that we wait until a verticle retrace has started by calling a certain procedure; this means that everything we do now will only be shown after the verticle retrace, so we can do all sorts of strange and unusual things to the screen during this retrace and only the results will be shown when the retrace is finished. This is way cool, as it means that when we change the pallette, the fuzz doesn' | The way we counter this is as follows : There is an elctron beam on your monitor that is constantly updating your screen from top to bottom. As it gets to the bottom of the screen, it takes a while for it to get back up to the top of the screen to start updating the screen again. The period where it moves from the bottom to the top is called the Verticle Retrace. During the verticle retrace you may change the pallette without affecting what is on the screen. What we do is that we wait until a verticle retrace has started by calling a certain procedure; this means that everything we do now will only be shown after the verticle retrace, so we can do all sorts of strange and unusual things to the screen during this retrace and only the results will be shown when the retrace is finished. This is way cool, as it means that when we change the pallette, the fuzz doesn' | ||
| - | < | + | <WRAP round info> |
| WaitRetrace can be a great help to your coding ... | WaitRetrace can be a great help to your coding ... | ||
back2root/archives/denthor/part-02.txt · Dernière modification : 2023/05/20 23:28 de frater
Sauf mention contraire, le contenu de ce wiki est placé sous les termes de la licence suivante : CC Attribution-Noncommercial-Share Alike 4.0 International
