Differences

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--- av:dreamcastav [2015/07/15 11:54] – Added that H-Sync and V-Sync are still active in 15kHz mode, and disabled in TV mode Link83
+++ av:dreamcastav [2019/07/27 22:29] – [Mode Selection Signals Chart] Link83
@@ Line 34: / Line 34: @@
 |  6  | Mode Select 1  | Unused | Unused | Grounded |
 |  7  | Mode Select 2  | Unused | Grounded | Grounded |
-|  8  | Vertical Sync  | Disabled | V-Sync | V-Sync |
+|  8  | Vertical Sync  | VSYNC | VSYNC | VSYNC |
-|  9  | Horizontal Sync  | Disabled | H-Sync | H-Sync |
+|  9  | Horizontal Sync  | HSYNC | HSYNC | HSYNC |
-| 10  | Composite Sync| ? | C-Sync | Disabled |
+| 10  | Composite Sync| ? | CSYNC | Disabled |
 | 11  | S-Video Chroma (C)| S-Video Chroma | ? | Disabled |
 | 12  | S-Video Luma (Y)| S-Video Luma | ? | Disabled |
@@ Line 43: / Line 43: @@
 | 15  | Green  | Disabled | Green | Green |
 | 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 'TV' mode, when no RGB signals are present) CSYNC is generated by the DAC, so is unfortunately only active in specific modes.
 ==== Other ====