!" ! # $ ! %# #$ !# !" /! $0# " 1 # 2 " !3 # 4 5 6& 7 6 0 !4A:? # :>>4> :?443 + " % @ 3::? " !
) ) C -! 2!)) %'8%/1 0%8!" #$ %//%#) $, %# 8 #1 )- /!6%/1 )$ )-! 0% )!/ %2 #'2+1 #6 7+) #$) 2 0 )!1 )$ )-! 0 2 !1 %//%#) !" $, 0!/'-%#)%7 2 ) %#1 , )#!"" ,$/ % %/) '+2%/ +/ $"! - B * - B
# # 1 ) - B % ! G )
!8" # # 0! - # !" )# ! # 0! " $! # )# ! #
- # !" )# ! # $( # ( 6 6 7 $ "! " - $ * *3 + ( + # 6( # *3 + $ 8 % $ & $( ( ( 7 $ "! " - # / )0)1 0 9 * : $ ; % / + < " / + <+" : $ ; , # = & $ $( #
" $! # )# ! # - # !" $( ( ( ( > # 6 ( ? ( ( + # ( # 9 $( ( ( 6 ( ? # ? # ? " - !"" # 9 #$ $( / )0)1 : $ ; ( $ ( ( 7 $ "!2" -
!8" * & : 8"1> EXT EXEC . .
!8" * & : 8"1> EXT EXEC . .
!8" * & : 8"1> EXT EXEC . . JSB EXEC DEF *+4 (or 5) DEF ICODE DEF ICNWD DEF ISTA1 DEF ISTA2 ( ) < > ! 9 !"" < = ( '$1! K , G 3? K " '# 1K ' 7 4L; K 2+ % $ 7 K ")%3 K ; !* ) D!M)E ) + " " ) > < ")%> K < !M) " ) > ; .
!8" * &6: ! # )# ! # <) ( = .
$ $ 3 !3 ! 1 $( 6 - # ( - - "# ( ( ? ( 6 - ( - ## 9 $( 6 ( B ( ( 9 # ( $( @ I/O ERR PE EQT # 6( @ ( $ - % C$& - 2 ! 1 $( 6 6 # (
+ 3 + # 0 $ 3 $( ( 6 $( 8 ( *:" - ( ( # ( 6 - # ( - ## ! ( ( 6 # ( ? *3 + 6 - ( 1#! $ ! $( ( - ( ( # ( - > ( # ( 6 ( #
# ! # )# ! # $( # # # * *3 + ( $ # 6 ! ( *3 + ( <11 > , 11 > , 0 9 ( - # ! # $( ( $ " ( ? ( # 6 - - ( # ( ( $ - @ ! )# 0! * *3 + -
- " * # $ - %* $& # ( / + < " / + <+" , # @ * DEVICE REFERENCE TABLE . . = EQT ? . . 6( @ ( - ( ( C$ - # ( ( ( ? *3 + ( $ - " , $ - # ( / + < " / + <+" @ * INTERRUPT TABLE . . , EQT, F ,EQT, . .
> 6 8 # ( ( - # ( ( - - , ( 8 ? ( # + 4? ( C$ - # ( +? ( '; - 4 $ - @ * # $ - @ , $ - @ EQT 01? 12,DVR32,D EQT 02? 11,DVR00,B EQT 03? 13,DVR23,B,T=700 1 2 2 1 3 0 4 3 . . = EQT ? = EQT ? = EQT ? = EQT ? 11,EQT,2 – 12,EQT,1 – 13,EQT,3 – 14,EQT,3 – . .
