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Extra Bases

Game Information
manufacturer Dave Nutting Associates / Midway
year 1980
genre Baseball
downloads 56
Screenshots
ebases title
ebases snap
ebases howto
ebases select
ebases gameover
Download Details
split set ebases.zip 11.89KiB
merged set ebases.7z 10.61KiB
standalone set ebases.7z 10.62KiB
Game Details

Arcade Video game published 44 years ago:

Extra Bases [Upright model] (c) 1980 Midway.

An old baseball game.

- TECHNICAL -

Bally Midway Astrocade hardware.
[Game No. 761]

Main CPU : Zilog Z80 (@ 1.789773 Mhz)
Sound Chips : Astrocade (@ 1.789773 Mhz)

Screen orientation : Horizontal
Video resolution : 320 x 204 pixels
Screen refresh : 60.00 Hz
Palette colors : 256

Players : 2
Control : trackball
Buttons : 1

- TRIVIA -

Released in April 1980.

Also released as "Extra Bases [Cocktail Table model]".

- SERIES -

1. Tornado Baseball (1976)
2. Extra Inning (1978)
Driver Details
source midway/astrocde.cpp
driver status good
emulation status good
save states supported
channels 1
Screen Details
display screen
type raster
orientation horizontal
width 352
height 240
refresh rate 60.05hz
Input Details
player: 1
type trackball
directions N/A
buttons 1way
player: 2
type trackball
directions N/A
buttons 1way
Chipset Details
Zilog Z80 1.79mhz
Speaker present
Astrocade Custom I/O 1.79mhz
ROM Details
name size crc
m761a 4.00KiB 34422147
m761b 4.00KiB 4f28dfd6
m761c 4.00KiB bff6c97e
m761d 4.00KiB 5173781a