| --- Log opened Sun Jan 28 00:00:39 2018 |
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| 05:05 | <&McMartin> | New Bumbershoot post. https://bumbershootsoft.wordpress.com/2018/01/28/game-boy-double-buffering/ |
| 05:07 | <&McMartin> | Lots of code in this one. |
| 05:28 | < Vornlicious> | Wait, 32x32 with a 20x18 window? Annoying! |
| 05:42 | | Derakon is now known as Derakon[AFK] |
| 05:42 | <&McMartin> | Fear not, Baldrick, I have a *cunning plan* |
| 05:42 | <&McMartin> | One that I'm pretty sure they intended too. |
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| 05:47 | <&McMartin> | That said, it's worth remembering that, much like on the NES, on the GB you normally *wouldn't* double-buffer |
| 05:48 | <&McMartin> | You'd just update lines as they were about to enter the screen, and just sort of splay the map data all over that 32x32 space |
| 05:48 | <&McMartin> | Which is fine because it makes moving up and down easy (0x20 diffs) and you never end up pressed for space. |
| 05:50 | | * Vornlicious finishes reading. |
| 05:50 | < Vornlicious> | Neato burrito. |
| 05:51 | < Vornlicious> | that status line thing explains a lot. |
| 05:51 | <&McMartin> | That said, I'm pretty sure I was "supposed" to just use the bottom 16 lines of both nametables and then the top of one of them for the status window. |
| 05:52 | <&McMartin> | But that doesn't let me cycle blit_dest with a single xor~ |
| 05:52 | <&McMartin> | Er, a single and. |
| 05:52 | <&McMartin> | The GB having Actual Panning Hardware allows for really good effects, too |
| 05:52 | <&McMartin> | Also a raster interrupt, so you can get aggressively swirly wavy images, which games liked to do |
| 05:53 | <&McMartin> | But not only that you could simulate hills and bumps by waving the *vertical* scroll mid-frame, which would, like, actually alter the vertical scroll mid-frame, instead of tearing open a portal to the netherworld |
| 05:53 | <&McMartin> | Which is pretty much what happens on the C64~ |
| 05:57 | <&McMartin> | Also it is so ridiculously luxurious to have a "shut down CPU until VBLANK" command -_- |
| 06:11 | <&McMartin> | Also woot, looks like I get 5 posts in this month |
| 06:11 | <&McMartin> | (4 so far, and I've got a super-dumb post that I'll probably have ready by Monday) |
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| 12:44 | <&ToxicFrog> | McMartin: I've been spending too much time around Jessikat; I can't help but read "0x20 diffs...pressed for space" as a pun. |
| 12:50 | <&McMartin> | Speaking of pressed for space: https://www.dropbox.com/s/kn7k9i600j54ags/sinestra_sample.png?dl=0 |
| 12:50 | <&McMartin> | An attempt to be inspired by the launch-titles-Game-Boy font without totally ripping it off like I have been so far. |
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| 12:56 | < Jessikat> | ToxicFrog: that's a pun? ._o |
| 12:58 | <&McMartin> | 0x20 is the unicode code point for space |
| 13:00 | <&ToxicFrog> | Jessikat: ^ |
| 13:00 | < Jessikat> | oh right |
| 13:00 | | * Jessikat applauds ToxicFrog |
| 13:02 | <&McMartin> | But it also turns out that 32^2 is a kilobyte, and that makes a handy nametable size. |
| 13:03 | <&McMartin> | It also meant that I could make the write pointer keep wrapping between $9800 and $9BFF by ANDing the high byte with $FB every iteration |
| 13:04 | | * TheWatcher eyes U+200B |
| 13:05 | <@TheWatcher> | "Zero Width Space" - "Nominally no width, but may expand" |
| 13:05 | <@TheWatcher> | Probably requires dark energy to do that, though. |
| 13:05 | <&McMartin> | I must assume that is designed to interact sensibly with justified text |
| 13:12 | < Vorntastic> | My favorite space is the figure space. |
| 13:14 | <&McMartin> | space? |
| 13:14 | <&McMartin> | spaaaaaaaaaaaaaaaaaaaaaaaaaaace |
| 13:15 | < Jessikat> | spaaaaaaaaaaaaaaaaaaaace |
| 13:20 | <@gnolam> | I would assume it's like a soft hyphen, but with a space instead. |
| 13:21 | | * gnolam checks. |
| 13:21 | <@gnolam> | Yep, that's exactly what a zero-width space is. |
| 13:30 | < Vorntastic> | (the figure space in proportional fonts is exactly as wide as a digit) |
| 13:46 | <&jerith> | Vorntastic: Which digit? ;-) |
| 13:47 | < Vorntastic> | All of them, in a font that bothers with it |
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| 14:56 | <@ErikMesoy> | A curse upon the graphic designer who thought descenders should interrupt hyperlink underlines. Particularly the interrupting slashes are bad when a/b looks like two separate links. |
| 15:06 | <@TheWatcher> | I would write an essay about the wonderful world in which that doesn't happen, except I don't write slashfic. |
| 15:06 | <&jerith> | Superb. |
| 15:06 | < Jessikat> | H A H |
| 15:06 | < Jessikat> | B U R N |
| 15:08 | <@ErikMesoy> | Oh you. |
| 15:47 | <@macdjord> | McMartin: Read 'sinestra' as 'Sinatra', wondered why you were naming fonts after singers |
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| 18:03 | <@gnolam> | https://twitter.com/tobiaschneider/status/957317886112124928 |
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| 22:59 | <&McMartin> | macdjord|slep: Actually so named because I was relying a lot on variable-width vertical lines and I systematically put the heavier weight on the left |
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| --- Log closed Mon Jan 29 00:00:40 2018 |