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dec0.cpp: Correct note about DEM-01 [Caps0ff] (#8942)

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It's a Fujitsu MB8421 Dual port SRAM.
Since it's a supported device (src/devices/machine/mb8421.cpp), maybe it should be correctly hooked up on the driver.
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ClawGrip 2021-12-08 01:34:46 +01:00 committed by GitHub
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src/mame/drivers/dec0.cpp
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@ -312,7 +312,7 @@ DE-0316-4
| PZ-2.A2 | | PZ-2.A2 |
|-------------------------------------------------------| |-------------------------------------------------------|
Notes: Notes:
DEM-01 - Unknown SDIP52 ASIC (no clock input so not an MCU, decapping it found only ASIC, no ROM) DEM-01 - Fujitsu MB8421 Dual port SRAM in disguise as Data East custom chip DEM-01.
DEC-01 - HuC6280 sound CPU in disguise as Data East custom chip DEC-01. Clock input 21.4772MHz on pin 10 DEC-01 - HuC6280 sound CPU in disguise as Data East custom chip DEC-01. Clock input 21.4772MHz on pin 10
M6295 - Clock 1.000MHz [20/2/10], pin 7 HIGH M6295 - Clock 1.000MHz [20/2/10], pin 7 HIGH
4558 - NEC C4558 Dual Op Amp 4558 - NEC C4558 Dual Op Amp