Macintosh Quadra 900

Game Information

manufacturer	Apple Computer
year	1991
genre	N/A
downloads	0

Screenshots

Download Details

split set	macqd900.zip 507.69k
bios/device	egret.zip 8.65k
merged set	macqd900.7z 445.40k
standalone set	macqd900.7z 448.45k

Game Details

Computer published 34 years ago:

Macintosh Quadra 900 (c) 1991 Apple Computer, Inc.

A Quadra 700 with the Mac IIfx's twin 65C02 I/O Processors (IOP) managing serial, the floppy drive, and the Apple Desktop Bus (keyboard/mouse input).

- CONTRIBUTE -

Edit this entry: https://www.arcade-history.com/?&page=detail&id=442823&o=2

Driver Details

source	apple/macquadra700.cpp
status	imperfect
emulation	good
savestate	supported
type	sound
overall	imperfect

Screen Details

display	dafb:screen
type	raster
orientation	horizontal
width	640px
height	480px
refresh	66.61mhz

Input Details

player	N/A
type	mouse
buttons	2
directions	N/A

player	N/A
type	keyboard
buttons	101
directions	N/A

Chipset Details

name	Motorola MC68040
clock	23.84mhz

name	Rockwell R65C02
clock	1.87mhz

name	Rockwell R65C02
clock	1.87mhz

name	Motorola M68HC05E1
clock	4.00mhz

name	Speaker
clock	N/A

name	Floppy sound
clock	43.07khz

name	CD/DA
clock	43.07khz

name	Speaker
clock	N/A

name	Speaker
clock	N/A

name	ASC
clock	21.53mhz

name	Apple Digitally Filtered Audio Chip
clock	21.74khz

ROM Details

name	size	crc
420dbff3.rom	1.00m	88ea2081