Commodore Amiga A500 - PC;XT Emulator and BIOS; PC;XT Emulator Description

Section 4.1
Description of PCIXT Emulator for AMIGA ZOO0
AMIGA ACCESS: Amiga Interface Offset Address = Base Addr.
Base Addr. + (00000 - 1 FFFF) : Byte Access
Base Addr. + (20000 - 3FFFF) : Word Access
Base Addr. + (40000 - 5FFFF) : Graphic Access
Base Addr. + (60000 - 7FFFF) : V0 Register Access
INTERFACE MEMORY Interface
MAP:
Offset Address Size Usage
00000 ... OFFFF 64 K DISK BUFFER RAM
10000
. . . 17FFF 32 K COLOR VIDEO RAM
18000
. . .
1 BFFF 16K PARAMETER RAM
1 C000
. . . 1 DFFF 8K MONO VIDEO RAM
1 E000
. . . 1 FFFF 8K 10-PAGE
Kinds of memory access on the following pages:
B
= Byte access
G = Graphic access
W = Word access
(*)
selectable by BIT 5 and 6 of the MODE REGISTER
BIT 5
= SELl
BIT 6 = SEL2