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| r33503 Monday 24th November, 2014 at 01:11:33 UTC by Angelo Salese |
|---|
| After-thoughts, (nw) |
| [src/mame/drivers] | dec0.c taitojc.c |
| r242014 | r242015 | |
|---|---|---|
| 1256 | 1256 | /******************************************************************************/ |
| 1257 | 1257 | |
| 1258 | 1258 | |
| 1259 | /* TODO: These are raw guesses, only to get ~57,41 Hz */ | |
| 1259 | /* This is guesswork, in order to get ~57,41 Hz. | |
| 1260 | * If real Pixel Clock isn't 5 MHz then htotal/vtotal is different too ... */ | |
| 1260 | 1261 | #define DEC0_PIXEL_CLOCK XTAL_20MHz/4 |
| 1261 | 1262 | #define DEC0_HTOTAL 320 |
| 1262 | 1263 | #define DEC0_HBEND 0 |
| r242014 | r242015 | |
|---|---|---|
| 436 | 436 | |
| 437 | 437 | // VSync - 55.6795Hz |
| 438 | 438 | // HSync - 24.639kHz / 24.690kHz (may be inaccurate) |
| 439 | // TODO: | |
| 439 | // TODO: why different HSyncs? 24 kHz assumes medium res monitor, so it can't be interlacing. | |
| 440 | 440 | #define HTOTAL (812) |
| 441 | 441 | #define HBEND (0) |
| 442 | 442 | #define HBSTART (512) |
| https://github.com/mamedev/mame/commit/67cbf2f018d38c8fb5641cb7f4ae3a1ab1aaadaa |
| Previous | 199869 Revisions | Next |