diff --git a/docs/twitter/1688022114962374656/media/1688018382543597568_1.png b/docs/twitter/1688022114962374656/media/1688018382543597568_1.png new file mode 100644 index 00000000..21bddaa0 Binary files /dev/null and b/docs/twitter/1688022114962374656/media/1688018382543597568_1.png differ diff --git a/docs/twitter/1688022114962374656/media/1688021533904510976_1.png b/docs/twitter/1688022114962374656/media/1688021533904510976_1.png new file mode 100644 index 00000000..4b976480 Binary files /dev/null and b/docs/twitter/1688022114962374656/media/1688021533904510976_1.png differ diff --git a/docs/twitter/1688022114962374656/thread.md b/docs/twitter/1688022114962374656/thread.md new file mode 100644 index 00000000..e49a131d --- /dev/null +++ b/docs/twitter/1688022114962374656/thread.md @@ -0,0 +1,35 @@ +--- +title: "The next challenge is overscan safety, since real non-VGA CRTs will be used in d" +author: "NOTimothyLottes" +handle: "@NOTimothyLottes" +post_url: "https://x.com/NOTimothyLottes/status/1688022114962374656" +post_id: "1688022114962374656" +timestamp: "2023-08-06 03:00:08" +post_count: 4 +reply_count: 0 +repost_count: 0 +like_count: 1 +view_count: 340 +--- + +# @NOTimothyLottes — The next challenge is overscan safety, since real non-VGA CRTs will be used in d + +## Post 1 (2023-08-06 02:45:18) + +1st SPC project: to be based on vintage 640x480 render (VGA style), +fallback to 640x240 for 15 KHz arcade CRTs (PGM-esk), and CRT shader scaling on Deck and OLED/LCD. Use mix of render pixel aspect changes, running less than 480 lines, and letter-box to keep integer Y scaling. + +![Media 1](./media/1688018382543597568_1.png) + +## Post 2 (2023-08-06 02:50:32) — reply to Post 1 + +My 15 KHz CRT output path when docked is HD Fury Nano (won't do <480p) doing HDMI to VGA, with a sync combiner (to workaround GBS-C bug), into GBS-C which line drops 480p ~60Hz to 240p ~60Hz and outputs component. The 640 width gets maintained even if some CRTs cannot resolve it. + +## Post 3 (2023-08-06 02:57:50) — reply to Post 2 + +Presents issues for UI, namely that my bitmap fonts need to look good in both 480p and 240p modes, so for editor (assembler) I'm going with a font that uses right angles and designed around 2x2 stroke width, in a 8x16 (pow2) bitmap, so 640x240p still gets a readable 8x8 (below) + +![Media 1](./media/1688021533904510976_1.png) + +## Post 4 (2023-08-06 03:00:08) — reply to Post 3 + +The next challenge is overscan safety, since real non-VGA CRTs will be used in development. The Y axis has an easy fix, simply keep cursor pinned in the 'safe' zone, but still print lines in the overscan area (so they can be seen when attached to non-overscan CRTs/etc too). diff --git a/docs/twitter/1688022114962374656/thread_data.json b/docs/twitter/1688022114962374656/thread_data.json new file mode 100644 index 00000000..a1626e0a --- /dev/null +++ b/docs/twitter/1688022114962374656/thread_data.json @@ -0,0 +1,74 @@ +{ + "root_post_id": "1688022114962374656", + "posts": [ + { + "post_id": "1688018382543597568", + "author": "NOTimothyLottes", + "handle": "NOTimothyLottes", + "text": "1st SPC project: to be based on vintage 640x480 render (VGA style), +fallback to 640x240 for 15 KHz arcade CRTs (PGM-esk), and CRT shader scaling on Deck and OLED/LCD. Use mix of render pixel aspect changes, running less than 480 lines, and letter-box to keep integer Y scaling.", + "timestamp": "2023-08-06 02:45:18", + "media_urls": [ + "https://pbs.twimg.com/media/F20LgFtWQAAMtcv?format=png&name=orig" + ], + "reply_to_id": null, + "quote_of_id": null, + "metrics": { + "reply_count": 1, + "repost_count": 0, + "like_count": 3, + "view_count": 708 + } + }, + { + "post_id": "1688019698904969216", + "author": "NOTimothyLottes", + "handle": "NOTimothyLottes", + "text": "My 15 KHz CRT output path when docked is HD Fury Nano (won't do <480p) doing HDMI to VGA, with a sync combiner (to workaround GBS-C bug), into GBS-C which line drops 480p ~60Hz to 240p ~60Hz and outputs component. The 640 width gets maintained even if some CRTs cannot resolve it.", + "timestamp": "2023-08-06 02:50:32", + "media_urls": [], + "reply_to_id": "1688018382543597568", + "quote_of_id": null, + "metrics": { + "reply_count": 1, + "repost_count": 0, + "like_count": 0, + "view_count": 188 + } + }, + { + "post_id": "1688021533904510976", + "author": "NOTimothyLottes", + "handle": "NOTimothyLottes", + "text": "Presents issues for UI, namely that my bitmap fonts need to look good in both 480p and 240p modes, so for editor (assembler) I'm going with a font that uses right angles and designed around 2x2 stroke width, in a 8x16 (pow2) bitmap, so 640x240p still gets a readable 8x8 (below)", + "timestamp": "2023-08-06 02:57:50", + "media_urls": [ + "https://pbs.twimg.com/media/F20Ogh8XoAAq7hR?format=png&name=orig" + ], + "reply_to_id": "1688019698904969216", + "quote_of_id": null, + "metrics": { + "reply_count": 1, + "repost_count": 0, + "like_count": 1, + "view_count": 439 + } + }, + { + "post_id": "1688022114962374656", + "author": "NOTimothyLottes", + "handle": "NOTimothyLottes", + "text": "The next challenge is overscan safety, since real non-VGA CRTs will be used in development. The Y axis has an easy fix, simply keep cursor pinned in the 'safe' zone, but still print lines in the overscan area (so they can be seen when attached to non-overscan CRTs/etc too).", + "timestamp": "2023-08-06 03:00:08", + "media_urls": [], + "reply_to_id": "1688021533904510976", + "quote_of_id": null, + "metrics": { + "reply_count": 0, + "repost_count": 0, + "like_count": 1, + "view_count": 340 + } + } + ], + "source_url": "https://x.com/NOTimothyLottes/status/1688022114962374656" +} \ No newline at end of file