Mega Zone (version L)
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Display
Type: raster Vertical
Resolution: 288 x 224
Refresh: 60.61 Hz
Processors
KONAMI-1 @ 1.536 MHz
Zilog Z80 @ 3.072 MHz
Intel 8039 @ 7.159 MHz
Audio
AY-3-8910A PSG @ 1.79 MHz
8-Bit R-2R DAC
RC Filter
RC Filter
RC Filter
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 1 button
joy, 8-way, 1 button
Components (from manual)
L374* Memory · Multiple locations · Various memory ICs throughout circuit
L138* Logic · Multiple locations · Logic gate arrays
L244 Buffer · Multiple locations · Buffer/driver ICs
L245 Logic · Multiple locations · Bidirectional transceivers
L273 Logic · Multiple locations · Octal D-type flip-flops
L240 Logic · Multiple locations · Inverting buffer/drivers
2764 Memory · Multiple locations · 8K x 8 EPROM
L139 Logic · Multiple locations · Dual 2-to-4 decoder
L32 Logic · Multiple locations · Quad 2-input OR gates
L86 Logic · Multiple locations · Quad 2-input XOR gates
L04 Logic · Multiple locations · Hex inverters
L00 Logic · Multiple locations · Quad 2-input NAND gates
L02 Logic · Multiple locations · Quad 2-input NOR gates
L08 Logic · Multiple locations · Quad 2-input AND gates
L10 Logic · Multiple locations · Triple 3-input NAND gates
L20 Logic · Multiple locations · Dual 4-input NAND gates
PCBs (from manual)
Main PCB PWB(A)2000078A
Sheet 1 of 2
Sheet 1 of 2
Secondary PCB PWB(B)2000078A
Sheet 2 of 2
Sheet 2 of 2
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 No Coin B | 1 Coin/1 Credit |
| SW2:1, SW2:2 | Lives | SW2:1 SW2:2OFF OFF 3 ✱ON OFF 4OFF ON 5ON ON 7 | 3 |
| SW2:3 | Cabinet | ON Upright ✱OFF Cocktail | Upright |
| SW2:4, SW2:5 | Bonus Life | SW2:4 SW2:5OFF OFF 20k 70k 70k+ ✱ON OFF 20k 80k 80k+OFF ON 30k 90k 90k+ON ON 30k 100k 100k+ | 20k 70k 70k+ |
| SW2:6, SW2:7 | Difficulty | SW2:6 SW2:7OFF OFF EasyON OFF Normal ✱OFF ON HardON ON Hardest | Normal |
| SW2:8 | Demo Sounds | OFF OffON On ✱ | On |