Mr. Do!
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Display
Type: raster Vertical
Resolution: 240 x 192
Refresh: 59.94 Hz
Processors
Zilog Z80 @ 4.1 MHz
Audio
SN76489 @ 4.1 MHz
SN76489 @ 4.1 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 4-way, 1 button
joy, 4-way, 1 button
PCBs (from manual)
Main circuit board
Contains IC locations and main game logic
Contains IC locations and main game logic
Switching regulator
Power regulation circuit
Power regulation circuit
Sound circuit board
Audio processing circuit
Audio processing circuit
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
| Switch | Setting | Options | Default |
|---|---|---|---|
| SW1:8, SW1:7 | Difficulty | SW1:8 SW1:7OFF OFF Easy ✱ON OFF MediumOFF ON HardON ON Hardest | Easy |
| SW1:6 | Rack Test (Cheat) | OFF Off ✱ON On | Off |
| SW1:5 | Special | OFF Easy ✱ON Hard | Easy |
| SW1:4 | Extra | OFF Easy ✱ON Hard | Easy |
| SW1:3 | Cabinet | ON Upright ✱OFF Cocktail | Upright |
| SW1:2, SW1:1 | Lives | SW1:2 SW1:1ON ON 2OFF OFF 3 ✱ON OFF 4OFF ON 5 | 3 |
| SW2:8, SW2:7, SW2:6, SW2:5 | Coin B | SW2:8 SW2:7 SW2:6 SW2:5ON OFF OFF ON 4 Coins/1 CreditON ON ON OFF 3 Coins/1 CreditON OFF ON OFF 2 Coins/1 CreditOFF OFF OFF ON 3 Coins/2 CreditsOFF OFF OFF OFF 1 Coin/1 Credit ✱OFF ON ON OFF 3 Coins/4 CreditsON OFF OFF OFF 1 Coin/2 CreditsOFF ON OFF OFF 1 Coin/3 CreditsON ON OFF OFF 1 Coin/4 CreditsOFF OFF ON OFF 1 Coin/5 CreditsON ON ON ON Free Play | 1 Coin/1 Credit |
| SW2:4, SW2:3, SW2:2, SW2:1 | Coin A | SW2:4 SW2:3 SW2:2 SW2:1ON OFF OFF ON 4 Coins/1 CreditON ON ON OFF 3 Coins/1 CreditON OFF ON OFF 2 Coins/1 CreditOFF OFF OFF ON 3 Coins/2 CreditsOFF OFF OFF OFF 1 Coin/1 Credit ✱OFF ON ON OFF 3 Coins/4 CreditsON OFF OFF OFF 1 Coin/2 CreditsOFF ON OFF OFF 1 Coin/3 CreditsON ON OFF OFF 1 Coin/4 CreditsOFF OFF ON OFF 1 Coin/5 CreditsON ON ON ON Free Play | 1 Coin/1 Credit |