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Note Chance: There is not a resonator, so OKI clock is derived

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from main crystal [Roberto Fresca]
This commit is contained in:
RobertoFresca 2017-10-04 03:36:35 -03:00
parent 606c689ec1
commit 41ff5f675a
2 changed files with 2 additions and 2 deletions
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2
src/emu/drivers/xtal.h
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@ -101,7 +101,7 @@ enum
XTAL_8MHz = 8000000, /* Extremely common, used on 100's of PCBs */
XTAL_8_2MHz = 8200000, /* Universal Mr. Do - Model 8021 PCB */
XTAL_8_388MHz = 8388000, /* Nintendo Game Boy Color */
XTAL_8_448MHz = 8448000, /* Banpresto's Note Chance */
XTAL_8_448MHz = 8448000, /* Banpresto's Note Chance - Used to drive OKI M6295 chips, usually with /8 divider */
XTAL_8_4672MHz = 8467200, /* Subsino's Ying Hua Lian */
XTAL_8_664MHz = 8664000, /* Touchmaster */
XTAL_8_7MHz = 8700000, /* Tandberg TDV 2324 */

2
src/mame/drivers/notechan.cpp
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@ -121,7 +121,7 @@
#define MASTER_CLOCK XTAL_8_448MHz
#define CPU_CLOCK MASTER_CLOCK / 2 // guess... not verified
#define SND_CLOCK 1056000 // unverified resonator
#define SND_CLOCK MASTER_CLOCK / 8 // guess... not verified
class notechan_state : public driver_device