Buggy Challenge
▶ Open in the searchable database
Display
Type: raster Vertical
Resolution: 256 x 224
Refresh: 60 Hz
Processors
Zilog Z80 @ 6 MHz
Zilog Z80 @ 4 MHz
Motorola MC68705P5 @ 3 MHz
Audio
YM2149 SSG @ 2 MHz
YM2149 SSG @ 2 MHz
MSM5232 @ 2 MHz
Channels: 1
Controls
Players: 1
Coin slots: 2
dial, 1 button
pedal
Components (from manual)
Z80B CPU · Main processor
A22-01 ROM · ROM 1 · Program ROM
A22-02 ROM · ROM 2 · Program ROM
A22-03 ROM · ROM 3 · Program ROM
A22-04 ROM · ROM 4 · Program ROM
A22-05 ROM · ROM 5 · Program ROM
A22-19 ROM · ROM 6 · Program ROM
74LS00 Logic · Quad NAND gates
74LS04 Logic · Hex inverters
74LS08 Logic · Quad AND gates
74LS32 Logic · Quad OR gates
74LS74 Logic · Dual D flip-flops
74LS138 Logic · 3-to-8 decoder
74LS139 Logic · Dual 2-to-4 decoder
74LS153 Logic · Dual 4-to-1 multiplexer
74LS155 Logic · Dual 2-to-4 decoder
74LS157 Logic · Quad 2-to-1 multiplexer
74LS161 Logic · 4-bit counter
74LS240 Logic · Octal buffer
74LS244 Logic · Octal buffer
74LS245 Logic · Octal transceiver
74LS253 Logic · Dual 4-to-1 multiplexer
74LS315 Logic · Logic IC
74LS367 Logic · Hex buffer
74LS373 Logic · Octal latch
74LS374 Logic · Octal D flip-flop
74LS500 Logic · Logic IC
6116 SRAM · 2K x 8 static RAM
2728 SRAM · Static RAM
MC14584 Oscillator · Hex Schmitt trigger used in clock circuits
TDE2003 Amplifier · Audio amplifier
PCBs (from manual)
CPU PC Board VTW51.00022A
Main processor board with CPU and support logic
Main processor board with CPU and support logic
Main PCB Assembly
Main game board
Main game board
Relay Board
Relay control board
Relay control board
Photo Sensor Board
Sensor interface board
Sensor interface board
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 |
|---|---|---|---|
| SW1:1, SW1:2 | Game Over Bonus | SW1:1 SW1:2OFF OFF 2000/1000/50 ✱ON OFF 1000/500/30OFF ON 500/200/10ON ON None | 2000/1000/50 |
| SW1:3 | Free Play | OFF Off ✱ON On | Off |
| SW1:4, SW1:5 | Difficulty | SW1:4 SW1:5OFF OFF Easy ✱ON OFF NormalOFF ON HardON ON Hardest | Easy |
| SW1:6 | Service Mode | OFF Off ✱ON On | Off |
| SW1:7 | Flip Screen | OFF Off ✱ON On | Off |
| SW1:8 | Unused | OFF Off ✱ON On | Off |
| SW2:1, SW2:2, SW2:3, SW2:4 | Coin A | SW2:1 SW2:2 SW2:3 SW2:4OFF OFF OFF OFF 9 Coins/1 CreditON OFF OFF OFF 8 Coins/1 CreditOFF ON OFF OFF 7 Coins/1 CreditON ON OFF OFF 6 Coins/1 CreditOFF OFF ON OFF 5 Coins/1 CreditON OFF ON OFF 4 Coins/1 CreditOFF ON ON OFF 3 Coins/1 CreditON ON ON OFF 2 Coins/1 CreditON ON ON ON 1 Coin/1 Credit ✱OFF ON ON ON 1 Coin/2 CreditsON OFF ON ON 1 Coin/3 CreditsOFF OFF ON ON 1 Coin/4 CreditsON ON OFF ON 1 Coin/5 CreditsOFF ON OFF ON 1 Coin/6 CreditsON OFF OFF ON 1 Coin/7 CreditsOFF OFF OFF ON 1 Coin/8 Credits | 1 Coin/1 Credit |
| SW2:5, SW2:6, SW2:7, SW2:8 | Coin B | SW2:5 SW2:6 SW2:7 SW2:8OFF OFF OFF OFF 9 Coins/1 CreditON OFF OFF OFF 8 Coins/1 CreditOFF ON OFF OFF 7 Coins/1 CreditON ON OFF OFF 6 Coins/1 CreditOFF OFF ON OFF 5 Coins/1 CreditON OFF ON OFF 4 Coins/1 CreditOFF ON ON OFF 3 Coins/1 CreditON ON ON OFF 2 Coins/1 CreditON ON ON ON 1 Coin/1 Credit ✱OFF ON ON ON 1 Coin/2 CreditsON OFF ON ON 1 Coin/3 CreditsOFF OFF ON ON 1 Coin/4 CreditsON ON OFF ON 1 Coin/5 CreditsOFF ON OFF ON 1 Coin/6 CreditsON OFF OFF ON 1 Coin/7 CreditsOFF OFF OFF ON 1 Coin/8 Credits | 1 Coin/1 Credit |
| SW3:1 | Start button needed | ON NoOFF Yes ✱ | Yes |
| SW3:2 | Unused | OFF Off ✱ON On | Off |
| SW3:3 | Fuel loss (Cheat) | OFF Normal ✱ON Crash only | Normal |
| SW3:4 | Unused | OFF Off ✱ON On | Off |
| SW3:5 | Coinage Display | ON NoOFF Yes ✱ | Yes |
| SW3:6 | Year Display | ON NoOFF Yes ✱ | Yes |
| SW3:7 | Invulnerability (Cheat) | OFF Off ✱ON On | Off |
| SW3:8 | Coin Slots | ON 1OFF 2 ✱ | 2 |