av:dreamcastav
Differences
This shows you the differences between two versions of the page.
Both sides previous revisionPrevious revisionNext revision | Previous revisionNext revisionBoth sides next revision | ||
av:dreamcastav [2009/04/19 01:35] – Added more information about forcing games into the desired RGB mode 82.16.34.173 | av:dreamcastav [2019/07/27 21:43] – [Mode Selection Signals Chart] Link83 | ||
---|---|---|---|
Line 26: | Line 26: | ||
When the mode select pins are used certain signal outputs are enabled or disabled:- | When the mode select pins are used certain signal outputs are enabled or disabled:- | ||
- | ^Pin^Description^Standard Mode^15kHz RGB (SCART)^31kHz RGB (VGA)^ | + | ^Pin^Description^Standard |
| 1 | Ground | | 1 | Ground | ||
| 2 | Right Audio | Right Audio | Right Audio | Right Audio | | | 2 | Right Audio | Right Audio | Right Audio | Right Audio | | ||
Line 34: | Line 34: | ||
| 6 | Mode Select 1 | Unused | Unused | Grounded | | | 6 | Mode Select 1 | Unused | Unused | Grounded | | ||
| 7 | Mode Select 2 | Unused | Grounded | Grounded | | | 7 | Mode Select 2 | Unused | Grounded | Grounded | | ||
- | | 8 | Vertical Sync | ? | ? | V-Sync | + | | 8 | Vertical Sync | VSYNC | VSYNC | VSYNC | |
- | | 9 | Horizontal Sync | ? | ? | H-Sync | + | | 9 | Horizontal Sync | HSYNC | HSYNC | HSYNC | |
- | | 10 | Composite Sync| ? | C-Sync | + | | 10 | Composite Sync| ? | CSYNC | Disabled |
| 11 | S-Video Chroma (C)| S-Video Chroma | ? | Disabled | | | 11 | S-Video Chroma (C)| S-Video Chroma | ? | Disabled | | ||
| 12 | S-Video Luma (Y)| S-Video Luma | ? | Disabled | | | 12 | S-Video Luma (Y)| S-Video Luma | ? | Disabled | | ||
Line 43: | Line 43: | ||
| 15 | Green | Disabled | Green | Green | | | 15 | Green | Disabled | Green | Green | | ||
| 16 | Red | Disabled | Red | Red | | | 16 | Red | Disabled | Red | Red | | ||
+ | Note:- The HSYNC and VSYNC signals on the AV port come directly from the HOLLY GPU, so are likely active in all modes (Even standard ' | ||
==== Other ==== | ==== Other ==== |
av/dreamcastav.txt · Last modified: 2019/08/27 20:45 by 127.0.0.1