Gyruss
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Display
Type: raster Vertical
Resolution: 256 x 224
Refresh: 60.61 Hz
Processors
Zilog Z80 @ 3.072 MHz
KONAMI-1 @ 1.536 MHz
Zilog Z80 @ 3.58 MHz
Intel 8039 @ 8 MHz
Audio
AY-3-8910A PSG @ 1.79 MHz
AY-3-8910A PSG @ 1.79 MHz
AY-3-8910A PSG @ 1.79 MHz
AY-3-8910A PSG @ 1.79 MHz
AY-3-8910A PSG @ 1.79 MHz
Discrete Sound
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 1 button
joy, 8-way, 1 button
Components (from manual)
LS367 Logic · multiple locations · 3-state buffer
LS139 Logic · multiple locations · Dual 2-to-4 decoder
LS04 Logic · multiple locations · Hex inverter
LS393 Audio · multiple locations · Dual 4-bit counter
4066 Audio · multiple locations · Quad analog switch
LS245 Logic · multiple locations · Octal bus transceiver
VTB-1-ST Audio · multiple locations · Audio processing
LS174 Logic · multiple locations · Hex D flip-flop
LS244 Multiple locations · Buffer/Line Driver
LS273 Multiple locations · Octal D-Type Flip-Flop
LS08 Multiple locations · Quad 2-Input AND Gate
LS32 Multiple locations · Quad 2-Input OR Gate
LS74 Multiple locations · Dual D-Type Flip-Flop
LS14 Multiple locations · Hex Schmitt Trigger Inverter
LS00 Multiple locations · Quad 2-Input NAND Gate
2764 ROM locations · 8K EPROM
PCBs (from manual)
Sound PCB 010-4624
Audio processing board
Audio processing board
PAL Power Supply PSR-703-AE
Power supply board
Power supply board
CRT Board KT-9211-IC
CRT control board
CRT control 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, SW1:3, SW1:4 | Coin A | SW1:1 SW1:2 SW1:3 SW1:4ON OFF ON ON 4 Coins/1 CreditOFF ON OFF ON 3 Coins/1 CreditON ON ON OFF 2 Coins/1 CreditON ON OFF ON 3 Coins/2 CreditsOFF ON ON ON 4 Coins/3 CreditsOFF OFF OFF OFF 1 Coin/1 Credit ✱OFF OFF ON ON 4 Coins/5 CreditsOFF OFF OFF ON 3 Coins/4 CreditsON OFF OFF OFF 1 Coin/2 CreditsON OFF OFF ON 2 Coins/5 CreditsOFF ON OFF OFF 1 Coin/3 CreditsON ON OFF OFF 1 Coin/4 CreditsOFF OFF ON OFF 1 Coin/5 CreditsON OFF ON OFF 1 Coin/6 CreditsOFF ON ON OFF 1 Coin/7 CreditsON ON ON ON Free Play | 1 Coin/1 Credit |
| SW1:5, SW1:6, SW1:7, SW1:8 | Coin B | SW1:5 SW1:6 SW1:7 SW1:8ON OFF ON ON 4 Coins/1 CreditOFF ON OFF ON 3 Coins/1 CreditON ON ON OFF 2 Coins/1 CreditON ON OFF ON 3 Coins/2 CreditsOFF ON ON ON 4 Coins/3 CreditsOFF OFF OFF OFF 1 Coin/1 Credit ✱OFF OFF ON ON 4 Coins/5 CreditsOFF OFF OFF ON 3 Coins/4 CreditsON OFF OFF OFF 1 Coin/2 CreditsON OFF OFF ON 2 Coins/5 CreditsOFF ON OFF OFF 1 Coin/3 CreditsON ON OFF OFF 1 Coin/4 CreditsOFF OFF ON OFF 1 Coin/5 CreditsON OFF ON OFF 1 Coin/6 CreditsOFF ON ON OFF 1 Coin/7 CreditsON ON ON ON Free Play | 1 Coin/1 Credit |
| SW2:1, SW2:2 | Lives | SW2:1 SW2:2OFF OFF 3 ✱ON OFF 4OFF ON 5ON ON 255 (Cheat) | 3 |
| SW2:3 | Cabinet | ON Upright ✱OFF Cocktail | Upright |
| SW2:4 | Bonus Life | OFF 30k 90k 60k+ ✱ON 40k 110k 70k+ | 30k 90k 60k+ |
| SW2:5, SW2:6, SW2:7 | Difficulty | SW2:5 SW2:6 SW2:7OFF OFF OFF 1 (Easiest)ON OFF OFF 2OFF ON OFF 3ON ON OFF 4OFF OFF ON 5 (Average) ✱ON OFF ON 6OFF ON ON 7ON ON ON 8 (Hardest) | 5 (Average) |
| SW2:8 | Demo Sounds | OFF OffON On ✱ | On |
| SW3:1 | Demo Music | OFF OffON On ✱ | On |
| SW3:2, SW3:3, SW3:4, SW3:5, SW3:6, SW3:7, SW3:8 | Unused | SW3:2 SW3:3 SW3:4 SW3:5 SW3:6 SW3:7 SW3:8OFF OFF OFF OFF OFF OFF OFF Off ✱ON ON ON ON ON ON ON On | Off |