Dig Dug (mini arcade)
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Display
Type: raster Horizontal
Resolution: 640 x 480
Refresh: 60 Hz
Processors
GeneralPlus GPL951xx @ 48 MHz
Audio
GeneralPlus GPL951xx @ 48 MHz
SunPlus GCM394 System-on-a-Chip (Audio) @ 48 MHz
Channels: 1
Controls
Players: 1
joy, 8-way, 1 button
Components (from manual)
26/H LS138 Address Decoder · IC 1 · Output Pin 10 6800 Chip Enable For 3 µs, Pin 9 7000 I/O
LS138 Address Decoder · 3 B/C · Output pins 15,14,13,12 for addresses 6800,6810,6820,6830 respectively
16/H LS259 Interrupt Controller · IC 1 · Output pins 4,5,6,7,9,10,11,12 for addresses 6820-6827, handles IRQ1, IRQ2, NMI ON, RESET, MODE 0-2
U2H1 8H · Pin 11 signature
A846 8H · Pin 12 signature
2A15 8H · Pin 13 signature
8C6C 8H · Pin 14 signature
UH52 8H · Pin 15 signature
FF86 8H · Pin 16 signature
PHF5 8H · Pin 17 signature
81F8 8H · Pin 18 signature
HHFF 7H · Pin 1 signature
0791 7H · Pin 3 signature
C9F2 9H · Pin 19 signature
33A6 9H · Pin 22 signature
9C5H 9H · Pin 23 signature
C277 9H · Pin 1 signature
4664 9H · Pin 3 signature
3U8C 9H · Pin 4 signature
UAA4 9H · Pin 5 signature
A6FH 9H · Pin 6 signature
HC8A 9H · Pin 7 signature
3F50 9H · Pin 8 signature
UF8H 9R · Pin 2 signature
P091 9R · Pin 5 signature
4189 9R · Pin 6 signature
9UU2 9R · Pin 9 signature
7H1F 9R · Pin 12 signature
UA97 9R · Pin 15 signature
940U 8R · Pin 6 signature
7F61 8R · Pin 7 signature
9601 8R · Pin 8 signature
P5U6 8R · Pin 13 signature
8U34 8R · Pin 17 signature
0791 5E · Pin 4 signature
C1A5 5E · Pin 5 signature
7H17 5E · Pin 6 signature
P272 8N · Pin 13 signature
5C1A 10L/M · Pin 11 signature
ACHF 10L/M · Pin 15 signature
1A1H 10L/M · Pin 14 signature
F3P1 10L/M · Pin 13 signature
P272 10J/K · Pin 19 signature
C95U 10J/K · Pin 5 signature
488C 10J/K · Pin 7 signature
79F9 10J/K · Pin 9 signature
3F50 5H/N · Pin 1 signature
HC8A 5H/N · Pin 2 signature
A6FH 5H/N · Pin 3 signature
U939 10H/N · Pin 2 signature
341H 10H/N · Pin 5 signature
073A 10H/N · Pin 6 signature
P110 10H/N · Pin 9 signature
6989 10H/N · Pin 12 signature
369F 10H/N · Pin 15 signature
3015 10H/N · Pin 16 signature
UH39 10H/N · Pin 19 signature
5C1A 9C · Pin 1 signature
C1A5 9C · Pin 3 signature
7FC0 9C · Pin 9 signature
940U 9C · Pin 6 signature
94HP 9C · Pin 12 signature
7F61 9C · Pin 11 signature
7FCP 9C · Pin 4 signature
9601 9C · Pin 6 signature
C0F0 10C/D · Pin 17 signature
81H7 10C/D · Pin 16 signature
8H41 10C/D · Pin 15 signature
FA69 10C/D · Pin 14 signature
U583 10C/D · Pin 13 signature
7CPH 10C/D · Pin 11 signature
7UFP 10C/D · Pin 10 signature
3035 10C/D · Pin 9 signature
P272 10K/L · Pin 13 and 14 signature
U38P 10K/L · Pin 6 signature
P37C 10K/L · Pin 5 signature
79F9 10K/L · Pin 9 signature
488C 10K/L · Pin 10 signature
C95U 10K/L · Pin 11 signature
5PCH 3F · 6 MHZ CLOCK, Pin 9
1760 3F · Pin 1 signature
8A60 3F · Pin 14 signature
P8C1 3F · Pin 13 signature
854H 3F · Pin 12 signature
HU13 3F · Pin 11 signature
9086 3F · Pin 15 signature
P14H 3H · Pin 14 signature
698C 3H · Pin 13 signature
585P 3H · Pin 12 signature
6A5U 3H · Pin 11 signature
854F 4G · Pin 15 signature
8P6P 4G · Pin 1 signature
8440 4G · Pin 2 signature
4FHH 4G · Pin 3 signature
958P 4G · Pin 4 signature
U818 4G · Pin 6 signature
91PA 4G · Pin 5 signature
8F42 4G · Pin 9 signature
33CA 4G · Pin 10 signature
A3A6 4G · Pin 11 signature
H3HH 4G · Pin 12 signature
C0U5 4F · Pin 9 signature
0196 4F · Pin 14 signature
12H5 4F · Pin 13 signature
4442 4F · Pin 12 signature
00 Video Ram Addresser Custom · Allows RAM to be addressed by CPU and Sync chain. Requires CPU address bus to be tri-state during 2H high
02 Universal Shift Register Custom · Can be set up for 4 4-bit parallel to serial converters or 2 8-bit parallel to serial converters. All registers use 1 set of control signals. Can shift either direction
04 Motion Object Controller Custom · Generates the strobes and RAM addresses for the motion objects (MOC 24 style)
06 Custom 50 Controller Custom · Interfaces between CPU and Custom 50's (Custom 4 bit microprocessors). Commands and data are transfered via the data bus. C/D selects command or data. Part of the custom 50 data bus is address and part is data
07 SYNC Generator Custom · Takes 6 MHZ and generates all horizontal and vertical timing signals. More than 1 can be used in a system using HRESET and VRESET
51 Coin I/O Controller Custom · This custom microprocessor handles I/O (R/W)
53 Steering Controller Custom · This custom microprocessor handles inputs (for Dig Dug). It also can apparently scan keyboards and handles steering controls. 8 different modes
PCBs (from manual)
High Score Circuit 74LS314
10 E/F circuit with specific pin configurations for score display
10 E/F circuit with specific pin configurations for score display
Clock Enable Circuit 74LS244
HE circuit with R poll input pins
HE circuit with R poll input pins
Clock Circuit 74LS174
10 H/J circuit with 1 Byte to Enable Clock (Pin 9)
10 H/J circuit with 1 Byte to Enable Clock (Pin 9)
Clock Enable 74LS175
9E circuit with enable clock functionality
9E circuit with enable clock functionality
Playfield Generator
Main game logic board with signature analysis test points
Main game logic board with signature analysis test points
DIP Switch Settings
Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more
Physical switch positions not available for this machine in MAME. Check the service manual below for DIP switch details.
| Setting | Options | Default |
|---|---|---|
| 0 | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Demo Play | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |
| Unknown | Off ✱On | Off |