x68000:video_ram_basics
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revision | Last revisionBoth sides next revision | ||
x68000:video_ram_basics [2017/08/14 15:27] – neko68k | x68000:video_ram_basics [2017/08/16 16:17] – neko68k | ||
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ADR = $c00000+Y×1024+X×2 | ADR = $c00000+Y×1024+X×2 | ||
- | BIT = P×8 ~ P×8+7 | + | BIT = P×8 ~ P×8+7 |
**Real screen 512×512 pixels、16 colors** | **Real screen 512×512 pixels、16 colors** | ||
Line 39: | Line 39: | ||
ADR = $c00000+Y×1024+X×2 | ADR = $c00000+Y×1024+X×2 | ||
- | BIT = P×4 ~ P×4+3 | + | BIT = P×4 ~ P×4+3 |
**Real screen 1024×1024 pixels、16 colors:** | **Real screen 1024×1024 pixels、16 colors:** | ||
Line 48: | Line 48: | ||
ADR = $c00000+(Y&511)×1024+(X&511)×2 | ADR = $c00000+(Y&511)×1024+(X&511)×2 | ||
BIT = (Y≧512)×8+(X≧512)×4 ~ | BIT = (Y≧512)×8+(X≧512)×4 ~ | ||
- | (Y≧512)×8+(X≧512)×4+3 | + | (Y≧512)×8+(X≧512)×4+3 |
===== Text VRAM ===== | ===== Text VRAM ===== |
x68000/video_ram_basics.txt · Last modified: 2019/08/27 20:45 by 127.0.0.1