Advertisement
All
and more about
Sharp PC-1500
at http://www.PC-1500.info
1. Machine language
2
There
are
many program languages
for each
purpose.
PC-1 500.
for example.
is
designed
to
carry
out
both BASIC
and
machine
language.
BASI
C
is
easy
to
use.
however.
execution speed
is
slow.
On
the
other
hand.
machi ne
language is
difficult to
understand
but
execution
speed
is
fast.
Usually. machine
language
program
would
be
written
with
the
assemble
language.
which
consists
of
mnemonic codes. and
then
the
assemble
language
will
be
translated into
machine
language.
[EXAMPLE]
DISPLAY REVERSE
PROGRAM
I.
f>rcpan: thi: progranl ,,·ith asscn1hle
J;,ngtu1~.:
consisting
of
nlncinonic
codc::i..
LOI
UH.78
H
l
i
.
f
fi
·
b
ffi
dd
LOI
Ul..
4
DH
I
prepare
or:1"1gnmcn1
o
the 1n.1
d"pla
) u
er
a
ress.
DEC
UH
advance
the
adclr<-,,,
LDA
U
ta ke
data in
the
accumulator
EA
i
FFH
ta ke lhc
C<Hn (llc111cnt
STA
u
return
datu
i111
0
n1c111ory
LOP
06H
C
PI
Ull
.77
1-1
ma
kc the
l
oop
BCS
OEH
RT:'<
return to
B1
\
SIC
2.
T
ran~latc
the
abo,·e
progr.lr
n
into
111achine
language. 1 he
a!'>.
q
on1blcr
1r:tn~latc~
the
as:i.cn1blc lanl:!uag:c into 1he n1achinc l;t nguagc
aul<lrnatic-dlly
according
tt>
thl'
li~t.
1
-1
<
>
\\l'\cr.
a
l)hor1
prograrn
can he
1ransla1cd n1a
nually.
(hand
;1~~c
111
bl
c)
·rhe abo,·c
pro£ra
n1
c"n
be
tran~k1Lcd
a:-. follo,,
11
;:
6X
78
6/\ 41)
F
O
62 25
l.ll)
FF
2E 88
0(1
6('
77
93 OE
9A
Do not sale
this PDF
!!!
Advertisement
