Description of PC/XT Emulator for AMIGA 2000
INTERFACE MEMORY
MAP:
AMIGA ACCESS: Amiga Interface Offset Address = Base Addr.
Base Addr. + (00000 - 1FFFF) : Byte Access
Base Addr. + (20000 - 3FFFF) : Word Access
Base Addr. + (40000 - 5FFFF) : Graphic Access
Base Addr. + (60000 - 7FFFF) : I/O Register Access
Interface
Offset Address
00000 ... 0FFFF
10000 ... 17FFF
18000 ... 1BFFF
1C000 ... 1DFFF
1E000 ... 1FFFF
Kinds of memory access on the following pages:
B = Byte
G = Graphic access
W = Word access
(*)
selectable by BIT 5 and 6 of the MODE REGISTER
BIT 5 = SEL1
BIT 6 = SEL2
109
Size
64K
32K
16K
8K
8K
access
Section 4.1
Usage
DISK BUFFER RAM
COLOR VIDEO RAM
PARAMETER RAM
MONO VIDEO RAM
I0-PAGE