Space Zap (Midway)
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Display
Type: raster Horizontal
Resolution: 352 x 240
Refresh: 60.05 Hz
Processors
Zilog Z80 @ 1.79 MHz
Audio
Astrocade Custom I/O @ 1.79 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
only_buttons, 5 buttons
only_buttons, 5 buttons
Components (from manual)
74LS00 Logic · Pattern Board · Quad 2 input nand
74LS04 Logic · Pattern Board · Hex inverter
74LS74 Logic · Pattern Board · Dual D Flip-Flop
74LS157 Logic · Pattern Board · Quad 2 input multiplexer
74LS161 Logic · Pattern Board · 4 bit binary counter
74LS175 Logic · Pattern Board · Quad D Flip-Flop
74LS257 Logic · Pattern Board · Quad 2 input multiplexer
74LS367 Logic · Pattern Board · Hex bus driver
CD4555 Logic · Pattern Board · Dual binary 1 or 4 decoder
MC14008 Logic · Pattern Board · 4 bit full adder
MC14013 Logic · Pattern Board · Dual D Flip-Flop
MC14068 Logic · Pattern Board · 8 input nand
MC14174 Logic · Pattern Board · Hex D Flip-Flop
MC14175 Logic · Pattern Board · Quad D Flip-Flop
MC14516 Logic · Pattern Board · Binary up/down counter
MC14539 Logic · Pattern Board · Dual 4 input multiplexer
MC14572 Logic · Pattern Board · Multiple gate package
74LS08 Logic · RAM Board · Quad input and
74LS14 Logic · RAM Board · Hex schmitt trigger
74LS166 Logic · RAM Board · Parallel to serial shift register
74LS253 Logic · RAM Board · Dual 4 input multiplexer
MK4027 (MK4015) Memory · RAM Board · RAM
LM317 Regulator · Power Supply · Voltage regulator
LM339 Comparator · Power Supply · Quad voltage comparator
SG3532 Regulator · Power Supply · General purpose regulator
79M05 Regulator · Power Supply · Negative five voltage regulator
LM339 Comparator · Monitor Interface · Quad voltage comparator
LM360 Comparator · Monitor Interface · Differential comparator
PCBs (from manual)
Power Supply Board P.C. A082-90411-A000
Contains voltage control pots preset at factory
Contains voltage control pots preset at factory
Audio Amplifier Board P.C.
Controls volume of all sound, located inside front door
Controls volume of all sound, located inside front door
Game Board
Main game logic board
Main game logic board
RAM Board
Memory board
Memory board
Transformer Board
Power transformer assembly
Power transformer assembly
C.P.U. Board
Central processing unit board with 'D' and 'E' version variants
Central processing unit board with 'D' and 'E' version variants
Pattern Transfer Board
Graphics/pattern handling board
Graphics/pattern handling board
Pattern Board PC A082-91355-C000
Main pattern board
Main pattern board
RAM Board PC 082-91356-C000
RAM board
RAM board
Audio Amplifier Board PC A082-90903-A000
Audio amplifier board
Audio amplifier board
Power Supply PC A082-90411-A000
Power supply board
Power supply board
Monitor Interface Board PC 082-91373-B000
Monitor interface board
Monitor 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 |
|---|---|---|---|
| Service Mode | Off ✱On | Off | |
| JU:1 | Lives | OFF 3 ✱ON 4 | 3 |
| JU:2 | Cabinet | OFF Upright ✱ON Cocktail | Upright |
| S1:1 | Coin A | ON 2 Coins/1 CreditOFF 1 Coin/1 Credit ✱ | 1 Coin/1 Credit |
| S1:2, S1:3 | Coin B | S1:2 S1:3ON OFF 2 Coins/1 CreditOFF OFF 1 Coin/1 Credit ✱OFF ON 1 Coin/3 CreditsON ON 1 Coin/5 Credits | 1 Coin/1 Credit |
| S1:4 | Unused | ON Off ✱OFF On | Off |
| S1:5 | Unused | ON Off ✱OFF On | Off |
| S1:6 | Unused | ON Off ✱OFF On | Off |
| S1:7 | Unused | ON Off ✱OFF On | Off |
| S1:8 | Unused | ON Off ✱OFF On | Off |