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242
Appendix H: I/O Sample Programs
:::;OU
F:~C
E::
::::;C)UFC:E
878
SOUFCE
!
Ti~i
.. -.; .... ;.-.
!"'.:UFi
'::};:::,1.'i:···":
LDi::::
=:Li::;.::j.
.:.:
::::
;~.:
900
SGJFCE
.!
t·::····:_
• 1 ••••••• _.
:-. , ' " .)
F~~
C: E
:::;CUF:~CE
:::;CUF~CE
::;CUF.~CE
. . r:;I"-j E::"·l'"·cr-- "" .. :.:.'
L:DA
::::U
':::;T·j::j
j:;:::::
U:n::j p.::..
FiDA ::::-;:::
Fmf~
=··"·1
IOF.~
::;b 11
LDI =1
A])f:;
=:::~::
IF
t.:; .
.!!
L :Ut·(···,·· ' . .
:;i:::
i
Cy:: T
i i·n:·
::::T
P
T
!
··n,
F'i::--n:
i"ii'
ii::·T
E:::::;:
~~T
UP BYTE POINTER FOR
~D
TO GET
LHH~
FROM
STRl~:
BE :::/ . .
H .E: Ht-fD rrUD ;:? ·Te:
j
C' ,,:::;.,
:·1
... .'u
I:::;F:
>.iIL..:"'.
C! . .FTF'r:T" ( . .
:P .... :
i:···
SEND
n~E
DATH BYTE TO
CRRr
RESAVE BYTE POINTER
"!~!
it:"
i
~ !
t ...
DEPENDING ON WHETHER THE
SELECT CODE IS
OR LOW
CALL THE CORRECT TERMINATION
F~:CUT
I
r·~E
AND NOW TRIGGER AN END CF
CORFECT MASK WOFD MUST BE
CALCULATED BY A COMPUTED
SHIFT INSTRUCTION
::::;A')E TH 13
!"IA::;~:::
ANR U3E MAGIC CODE TC
TRIGGEF THE
~UL
BRANCH
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