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Commodore Amiga 500 - Custom Animation Chip; Fat Agnus; Features

Commodore Amiga 500
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R02 -
ROl -
RO(i)
-
vee
-
RS
TJIE
-
INT3
-
OMAL
-
BL
SJIE
-
OBRJIE
-
RRW
-
PRW
-
RGEN~
-
ASJIE
-
RAMENJIE
-
RGA8
-
RGA7
-
RGA6
-
RGA5
-
RGA4 -
RGA3 -
RGA2
-
Features:
Custom Animation Chip
Fat Agnus
e
.....
N(Y)::T1f)
•••
(y)
::Tlf)w~rom""''''''''''''''''''''''''''~rrr.ro~w
ooooooooooooo~~~~~
...............
~~~~~~~~~~~~~JIUJ~aaa
I I I I I I I I I I I I I I I I I I I I I
8·3(8
a ~
3
15
36 37
sa
39",
I I I I I I
;::;NY:lIElIEN
OI~ZUI
~~3<!~U
5~
N
~U
U
X
I I I I I I I I I I I I I I I
OY:I-~e""'N(y)::TIf)W~ro.lIE
y:u~~aaaaaaaaa~~
UUWJ:C:C:C:C:C:C:C:C:C
OO
U
I-
~::::J
-
A15
- A14
- A13
- A12
-
All
- A10
- A9
- A8
- A7
- A6
- A5
-
A4
- A3
- A2
-
Al
-
A19
-
VSS
-
RAS0.
-
RAS1.
-
CASUlIE
- CASUII
Bit
Blitter-U
ses hardware to move display data- Allows high speed anima-
tion-Frees
the CPU for other concurrent tasks
Display Synchronized Coprocessor
Controls
25
DMA Channel
s-
Allows the disk and sound
to
operate with
minimal CPU intervention
Generates all system clocks from the 28 Mhz osci
ll
ator
Generates all control signals for the v
id
eo
RAM
and expansion RAM card
Provides the address to the video and expansion RAM multiplexing
A-
16
Technical Reference

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