Champion Base Ball

Alpha Denshi Co. (Sega license) · 1983 · raster Horizontal · 2P · joy · champbas

Also known as: Championship Baseball

Display

Type: raster Horizontal

Resolution: 256 x 224

Refresh: 60 Hz

2x Zilog Z80 @ 3.072 MHz

AY-3-8910A PSG @ 1.536 MHz

6-Bit R-2R DAC

Channels: 1

Players: 2

Coin slots: 2

joy, 8-way, 3 buttons

Z80A CPU · various locations · Main processor

2716 Memory · multiple locations · 2K x 8 EPROM

2732 Memory · multiple locations · 4K x 8 EPROM

2114 Memory · multiple locations · 1K x 4 Static RAM

LS74 Logic · multiple locations · Dual D-type flip-flop

LS153 Logic · multiple locations · Dual 4-to-1 multiplexer

LS157 Logic · multiple locations · Quad 2-to-1 multiplexer

LS244 Logic · multiple locations · Octal buffer/line driver

LS245 Logic · multiple locations · Octal bus transceiver

LS374 Logic · multiple locations · Octal D-type flip-flop

LS138 Logic · multiple locations · 3-to-8 decoder

LS32 Logic · multiple locations · Quad 2-input OR gate

LS08 Logic · multiple locations · Quad 2-input AND gate

LS00 Logic · multiple locations · Quad 2-input NAND gate

LS04 Logic · multiple locations · Hex inverter

LS86 Logic · multiple locations · Quad 2-input XOR gate

IC Board 834-5210-01
Main game board with CPU, ROM, RAM, and I/O circuitry

Data from MAME. On later hardware, game settings are typically in the Test/Service Menu, not DIP switches. Learn more

Physical switch positions not available for this machine in MAME. Check the service manual below for DIP switch details.