GPU/External Registers: Difference between revisions
m →LCD Source Framebuffer Setup: PAL emulator hype. |
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| Line 147: | Line 147: | ||
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| 0x00 | | 0x00 | ||
| | | H-total (V-total on not physically rotated screens). | ||
| | | 12bits. | ||
Setting this value too low will make the screen not be able to sync any pixels other than a single one from the wrong location. The lowest the screen can handle is 0x1C2, at 0x1C1 the display loses a few scanlines worth of pixel clock (though not noticable). | Setting this value too low will make the screen not be able to sync any pixels other than a single one from the wrong location. The lowest the screen can handle is 0x1C2, at 0x1C1 the display loses a few scanlines worth of pixel clock (though not noticable). | ||
| Line 198: | Line 198: | ||
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| 0x24 | | 0x24 | ||
| | | V-total (H-total on not physically rotated screens). | ||
| The low 12bit halfword seems to affect: | | The low 12bit halfword seems to affect: | ||
Total scanlines including porches/sync timing. Setting this to 494 lowers framerate to about 50.040660858 Hz. | |||
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| 0x28 | | 0x28 | ||