:
1 ?
2 ?
3 ?
4 ?
, 68 020, o FLIGHT -68 EC 020 EVM. . 11.23.
$000000...$3 FFFFF, $400000...$7 FFFFF, - в/ $800000...$9 FFFFF, DUART 00000... FFFFFF.
, 16 L 8 D (PAL 2) Motorola (. 11.24).
$ FFFFFF $ C 00000 | |
DUART | $ BFFFFF $ A 00000 |
PI/T | $ 9FFFFF $800000 |
RAM | $7 FFFFF $400000 |
ROM | $3 FFFFF $000000 |
11.23
11.24
: ROMS # BIC , RAMS # BI , CS230 # BIC PI/T, CS 681# ² DUART. , : , ² .
PAL 2, . . 11.25 FC # .
11.25 FC #
PAL 2 :
, ROMS # , 23, 22, 21 0, $000000.
RAMS # 0, 23, 22, 21 010, $400000.
S 230# 0, 23, 22, 21 100, $800000.
CS 681# 0, 23, 22, 21 101, $ A 00000.
ROMS #, RAMS #, CS 230#, CS 681# .
|
|
/ RWAS #, RAM, (. 11.26).
11.26 RWAS#
:
1 FLIGHT -68 EC 020 VM?
2 , , ?
3 ?
4 / RWAS #?
5 RWAS #?
6 FC #?
:
1 ?
2 , 16 L 8 D ?