Bottom of the Ninth (version T)
Also known as: Main Stadium
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Display
Type: raster Horizontal
Resolution: 288 x 224
Refresh: 59.19 Hz
Processors
Hitachi HD6309E @ 3 MHz
Zilog Z80 @ 3.58 MHz
Audio
Konami 007232 PCM Controller @ 3.58 MHz
Konami 007232 PCM Controller @ 3.58 MHz
Channels: 1
Controls
Players: 2
Coin slots: 2
joy, 8-way, 2 buttons
joy, 8-way, 2 buttons
Components (from manual)
7404 or 74LS04 Logic · Used for sync signal conversion from composite positive to composite negative
74LS253 Microprocessor · I/O microchip - DO NOT connect coin counters to coin 1 or coin 2 outputs as this will cause damage
PCBs (from manual)
Bottom of the Ninth PCB 891003
Main game PCB
Main game PCB
Bottom of the Ninth CPO 891100
Control panel overlay
Control panel overlay
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 ✱ON ON ON ON 3 Coins/5 CreditsOFF 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 Credits | 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 ✱ON ON ON ON 3 Coins/5 CreditsOFF 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 Credits | 1 Coin/1 Credit |
| SW2:1, SW2:2, SW2:3 | Play Time | SW2:1 SW2:2 SW2:3OFF OFF OFF 1:00ON OFF OFF 1:10OFF ON OFF 1:20ON ON OFF 1:30 ✱OFF OFF ON 1:40ON OFF ON 1:50OFF ON ON 2:00ON ON ON 2:10 | 1:30 |
| SW2:4, SW2:5 | Bonus Time | SW2:4 SW2:5OFF OFF NoneON OFF 20 secOFF ON 30 sec ✱ON ON 40 sec | 30 sec |
| SW2:6, SW2:7 | Difficulty | SW2:6 SW2:7OFF OFF EasyON OFF Normal ✱OFF ON DifficultON ON Very Difficult | Normal |
| SW2:8 | Demo Sounds | OFF OffON On ✱ | On |
| SW3:1 | Flip Screen | OFF Off ✱ON On | Off |
| SW3:2 | Unused | OFF Off ✱ON On | Off |
| SW3:3 | Service Mode | OFF Off ✱ON On | Off |
| SW3:4 | Fielder Control | OFF Normal ✱ON Auto | Normal |