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Mcs-96
mcrw
ASSEMBLER
EV96
01/24/89
13:55:41
PAGE
19
ERR LOC
OBJECT
A280
AL80
A283
A286
C6201C
A28C
B2201D
A28F
27F2
A2AO
A2AO
A2A3
A2A6
C22OlC
A2AC
A2201E
AZAF
27F2
LINE,
hi'8
hLY
6.30
b \ 1
632
633
634
635
637
638
640
641
643
644
645
646
647
648
649
650
651
652
654
655
657
658
660
661
662
663
iOURLE
STATEMENT
cseg
at
(offset
+ 22808)
------------------------
cycle-byte:
.----_--__
; does
alternate
read
and write
operation
on the byte
specified
by bx.
; _--__----___--__________________________---------------------------
CLR-BIT
IOPORT1,7
cb-loop:
SET-BIT
IOPORT1,7
stb
ax, [bxl
CLR-BIT
IOPORT1,7
ldb
(ax+l),tbxl
br
cb-loop
cseg
at
(offset
+ 22AOH)
;
--__----_-----_---------
cycle-word:
.--_----_-
,
;
does
alternate
read
and write
operation
on the
word
specified
by bx.
; -__--_________-__--_-----------------------------------------------
CLR-BIT
IOPORT1,7
cw~loop:
SET-BIT
IOPORT1,7
st
ax, [bxl
CLR-BIT
IOPORT1,7
Id
dx, Ibxl
br
cw~loop
;
Seject
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