| name | sourcefile | sampleof | isbios | isdevice | ismechanical | runnable | description | year | manufacturer | romof | cloneof | MachineGenreId |
| m4ddba | barcrest/mpu4unsorted.cpp | | no | no | yes | yes | Ding Dong Bells (Coinworld) (MPU4) (set 2) | 199? | Coinworld | m4ddb | m4ddb | Slot Machine / Reels |
|
rom
| name | size | crc | sha1 | region | offset | status | optional | merge | bios |
| ddb3_1p.bin | 65536 | bc8d8244 | 9b8e0706b3add42e5e4a8b6c6a2f80a333a2f49e | maincpu | 0 | good | no | | |
| ddbsound1 | 524288 | 47c87bd5 | c1578ae553c38e93235cea2142cb139170de2a7e | okicard:msm6376 | 0 | good | no | ddbsound1 | |
| ddbsound2 | 524288 | 9c733ab1 | a83c3ebe99703bb016370a8caf76bdeaff5f2f40 | okicard:msm6376 | 80000 | good | no | ddbsound2 | |
|
chip
| type | tag | name | clock |
| cpu | maincpu | Motorola MC6809 | 6880000 |
| audio | mono | Speaker | |
| audio | alarmdac | 1-Bit DAC | |
| audio | okicard | Barcrest Sampled Sound Program Card | 1720000 |
| audio | okicard:msm6376 | OKI MSM6376 ADPCM | 128000 |
|
configuration
| name | tag | mask |
| Stake Key | ORANGE1 | 224 |
| Jackpot / Prize Key | ORANGE2 | 15 |
| Percentage Key | ORANGE2 | 240 |
|
control
| type | player | buttons | ways | reverse | minimum | maximum | sensitivity | keydelta | ways2 | ways3 | reqbuttons |
| only_buttons | | 7 | | no | | | | | | | |
|
device_ref
| name |
| mc6809 |
| timer |
| msc1937 |
| ptm6840 |
| pia6821 |
| pia6821 |
| pia6821 |
| pia6821 |
| pia6821 |
| pia6821 |
| meters |
| bacta_datalogger |
| coin_hopper |
| speaker |
| dac |
| nvram |
| mc68681 |
| duart_channel |
| duart_channel |
| mpu4okisnd |
| ptm6840 |
| pia6821 |
| okim6376 |
| stepper |
| stepper |
| stepper |
| stepper |
|
dipswitch
| name | tag | mask |
| Unused | DIL1 | 1 |
| Unused | DIL1 | 2 |
| Unused | DIL1 | 4 |
| Unused | DIL1 | 8 |
| Target Percentage (if key not fitted) | DIL1 | 240 |
| Token Lockout when full | DIL2 | 1 |
| Unused | DIL2 | 2 |
| Scottish Coin Handling | DIL2 | 4 |
| Out of Credit Display Inhibit | DIL2 | 8 |
| OCD Audio Enable | DIL2 | 16 |
| Coin Alarm Inhibit | DIL2 | 32 |
| Token Refill Level Inhibit | DIL2 | 64 |
| Single Credit Entry | DIL2 | 128 |
|
driver
| status | emulation | savestate | requiresartwork | unofficial | nosoundhardware | incomplete | cocktail |
| preliminary | preliminary | unsupported | yes | no | no | no | |
|
input
| players | coins | service | tilt |
| 1 | 4 | yes | no |
|
port
| tag |
| :AUX1 |
| :AUX2 |
| :BLACK1 |
| :BLACK2 |
| :DIL1 |
| :DIL2 |
| :ORANGE1 |
| :ORANGE2 |
|
sound
|