Commodore Amiga A500 - Page 119

PCIAT I10
Address Usage
Offset Address
INTERFACE
1 Amiga
" RESETIRQ7
" INTERRUPT CONTROL
BIT6
= 0:ON
BIT 6 = 0 : OFF
" CONTROL
" CONTROL
MONO CRT ADDRESS INDEX REGISTER
" RESET IRQ3-a
" CRT ADDRESS INDEX REGISTER
DUMMY
" CRT ADDRESS INDEX REGISTER
DUMMY
" CRT ADDRESS INDEX REGISTER
DUMMY
" CRT DATA REGISTER
" CRT DATA REGISTER
" CRT DATA REGISTER
" CRT DATA REGISTER
LAST WRlTE ON INDEX
= 00
LAST WRlTE ON INDEX = 01
LAST WRlTE ON INDEX
= 02
LAST WRlTE ON INDEX
= 03
LAST WRlTE ON INDEX = 04
LAST WRITE ON INDEX
= 05
LAST WRITE ON INDEX
= 06
LAST WRlTE ON INDEX = 07
LAST WRlTE ON INDEX = 08
LAST WRlTE ON INDEX = 09
LAST WRlTE ON INDEX = OA
LAST WRlTE ON INDEX
= OB
LAST WRlTE ON INDEX
= OC
LAST WRlTE ON INDEX
= OD
LAST WRITE ON INDEX
= OE
LAST WRlTE ON INDEX
= OF
MONO CONTROL REGISTER
MONO STATUS REGISTER
BIT 0 : H-SYNC ( 18KHz )
BIT 3
: V-SYNC ( 50 HZ )
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
DUMMY
(R)
1E1BF 7ElBF
(W)
1E19F 7E19F
(W)
lElDF 7ElDF
(R)
1E19F 7E19F
(W)
lEO1F 7E01F
(W) lEO1F
7EOlF
(W) 1 E01 F
7E01 F
(W)
l E01 F 7E01 F
(W)
1EOlF 7E01F
(W)
1EOlF 7E01F