Dig Dug (rev 2)
▶ Open in the searchable database
Display
Type: raster Vertical
Resolution: 288 x 224
Refresh: 60.61 Hz
Processors
3x Zilog Z80 @ 3.072 MHz
2x Fujitsu MB8843 @ 1.536 MHz
Audio
Namco @ 96 kHz
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 4-way, 1 button
joy, 4-way, 1 button
Components (from manual)
Z80A CPU · 1H/2H · Main processors
Z80A Sound CPU · 1J · Sound processor
2732 ROM · multiple · Program ROMs
2114 RAM · multiple · System RAM
LS92 Video · LS92 · Video timing
74LS04 Logic · multiple · Hex inverter
74LS08 Logic · multiple · Quad AND gate
74LS32 Logic · multiple · Quad OR gate
74LS138 Logic · multiple · 3-to-8 decoder
74LS157 Logic · multiple · Quad multiplexer
74LS257 Logic · multiple · Quad multiplexer
74LS273 Logic · multiple · Octal D flip-flop
74LS244 Logic · multiple · Octal buffer
74LS245 Logic · multiple · Octal bus transceiver
Custom 05 Custom · multiple · Namco custom chip
Custom 06 Custom · multiple · Namco custom chip
Custom 51 Custom · multiple · Namco custom chip
Custom 52 Custom · multiple · Namco custom chip
Custom 54 Custom · multiple · Namco custom chip
LS377 IC · 4D · Requires trace cut between pins 18 & 19
74S04 IC · 3A · Requires jumper modifications
CUSTOM 63 Custom IC · PCB center area · Custom integrated circuit
74128 TTL · A/B-3 · IC requiring static fix modification
1st Priority CPU CPU · Sheet 3B · Primary processor
2nd Priority CPU CPU · Sheet 3B · Secondary processor
Motion Object RAM Memory · Sheet 6B · Motion object memory
Playfield Generator Generator · Sheet 6A · Playfield generation
Motion Object Generator Generator · Sheet 7A · Motion object generation
Video Color Controller Controller · Sheet 7B · Video color control
Sync Generator Generator · Sheet 5B · Video synchronization
1st Priority CPU CPU · Primary game processor
2nd Priority CPU CPU · Secondary processor
3rd Priority CPU CPU · Third processor with Address Decoder
1st Priority CPU CPU · Primary processor
3rd Priority CPU CPU · Third processor
Motion Object RAM Memory · Sprite memory
Playfield Generator Generator · Background graphics
Motion Object Generator Generator · Sprite generation
Sync Generator Generator · Video timing
Video Color Controller Controller · Color processing
3rd Priority CPU CPU · Tertiary processor with Address Decoder
Motion Object Address Generator Generator · Sprite addressing
High-Score Table Memory · Score storage
PCBs (from manual)
DIG DUG PC BD A055156-01
Main game PCB
Main game PCB
Early PCB A038156
Older PCB revision
Older PCB revision
Later PCB A038575
Newer PCB revision
Newer PCB revision
Main PCB 038294-01
Main game PCB with CPU, memory, and I/O
Main game PCB with CPU, memory, and I/O
Color Raster Power Supply PCB 037669-01
Power supply board
Power supply board
Regulator/Audio II PCB 035435-05
Voltage regulation and audio circuits
Voltage regulation and audio circuits
Coin Door PCB 037542-01
Coin door interface
Coin door interface
Utility Panel PCB 036004-01
Utility panel controls
Utility panel controls
Fluorescent Light PCB 035833-01
Fluorescent light and speaker wiring
Fluorescent light and speaker wiring
Regulator/Audio II PCB 035435-01
Power regulation and audio processing
Power regulation and audio processing
Main Game PCB
Contains CPU, memory, and game logic circuits
Contains CPU, memory, and game logic circuits
Game PCB 038156-xx
Main game board with multiple sheets
Main game board with multiple sheets
Regulator/Audio II PCB 035435-01
Power regulation and audio
Power regulation and audio
Color Raster-Scan Power Supply PCB 037669-01
Monitor power supply
Monitor power supply
Game PCB 038575-XX
Main game logic board
Main game logic board
Game PCB
Main game board
Main game board
Regulator/Audio II PCB
Power regulation and audio board
Power regulation and audio board
Video Display
Monitor display board
Monitor display board
Video Display PCB
Video display board
Video display board
Game PCB
Main game logic board
Main game logic board
Video Display
Video display circuit board
Video display circuit board
Regulator/Audio II PCB
Power regulation and audio circuits
Power regulation and audio circuits
Video Display PCB
Video generation board
Video generation board
Regulator/Audio II PCB
Power regulation and audio processing
Power regulation and audio processing
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 |
|---|---|---|---|
| SWA:1, SWA:2, SWA:3 | Coin B | SWA:1 SWA:2 SWA:3OFF OFF OFF 3 Coins/1 CreditOFF OFF ON 2 Coins/1 CreditOFF ON ON 1 Coin/1 Credit ✱OFF ON OFF 3 Coins/4 CreditsON OFF OFF 1 Coin/2 CreditsON OFF ON 1 Coin/3 CreditsON ON OFF 1 Coin/6 CreditsON ON ON 1 Coin/7 Credits | 1 Coin/1 Credit |
| SWA:4, SWA:5, SWA:6 | Bonus Life | SWA:4 SWA:5 SWA:6ON ON OFF 10K, 40K, Every 40KON OFF ON 10K, 50K, Every 50KON OFF OFF 20K, 60K, Every 60KOFF ON ON 20K, 70K, Every 70KOFF ON OFF 10K and 40K OnlyOFF OFF ON 20K and 60K OnlyOFF OFF OFF 10K OnlyON ON ON NoneON ON OFF 20K, 60K, Every 60KON OFF ON 30K, 80K, Every 80KON OFF OFF 20K and 50K OnlyOFF ON ON 20K and 60K OnlyOFF ON OFF 30K and 70K OnlyOFF OFF ON 20K Only ✱OFF OFF OFF 30K OnlyON ON ON None | 20K Only |
| SWA:7, SWA:8 | Lives | SWA:7 SWA:8ON ON 1OFF ON 2ON OFF 3 ✱OFF OFF 5 | 3 |
| SWB:7, SWB:8 | Difficulty | SWB:7 SWB:8ON ON Easy ✱ON OFF MediumOFF ON HardOFF OFF Hardest | Easy |
| SWB:6 | Cabinet | OFF Upright ✱ON Cocktail | Upright |
| SWB:5 | Allow Continue | OFF NoON Yes ✱ | Yes |
| SWB:4 | Demo Sounds | OFF OffON On ✱ | On |
| SWB:3 | Freeze | OFF Off ✱ON On | Off |
| SWB:1, SWB:2 | Coin A | SWB:1 SWB:2OFF ON 2 Coins/1 CreditON ON 1 Coin/1 Credit ✱OFF OFF 3 Coins/4 CreditsON OFF 1 Coin/2 Credits | 1 Coin/1 Credit |