Previous 199869 Revisions Next

r33503 Monday 24th November, 2014 at 01:11:33 UTC by Angelo Salese
After-thoughts, (nw)
[src/mame/drivers]dec0.c taitojc.c

trunk/src/mame/drivers/dec0.c
r242014r242015
12561256/******************************************************************************/
12571257
12581258
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 ... */
12601261#define DEC0_PIXEL_CLOCK XTAL_20MHz/4
12611262#define DEC0_HTOTAL 320
12621263#define DEC0_HBEND 0
trunk/src/mame/drivers/taitojc.c
r242014r242015
436436
437437// VSync - 55.6795Hz
438438// HSync - 24.639kHz / 24.690kHz (may be inaccurate)
439// TODO: interlacing (hence the different HSync values)
439// TODO: why different HSyncs? 24 kHz assumes medium res monitor, so it can't be interlacing.
440440#define HTOTAL              (812)
441441#define HBEND               (0)
442442#define HBSTART             (512)


Previous 199869 Revisions Next


© 1997-2024 The MAME Team