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APPENDIX
I.
MDOS Equate File Listing
This
appendix
contains
a modified listing of the MDOS
and MDOS09
equate
files.
Only
the
pertinent
parts
the
assembler output
are
shown.
The leftmost column contains the
value of the location
counter
which
represents
the
value
equated
to
the
system symbol.
The MDOS
equate
file can
be
assembled on a user's system if the M6800 Macro Assembler
is
available.
The
MOOS equate
file is shown first,
followed by
the MDOS09 equate file.
0000
A
0000
A
* *
MDOS VERSION 03.00 -- SYSTEM
EGUATE
FILE --
~ULY
25,1978
*
*
*DEFINE TYPE OF MDOS--RESIDENT MOOS ONLY
*
MDOSF$ EQU
0
0
=>
MDOS,
1 =:> OEM MOOS
MDOS9$ EGU
0
0
=>
MDOS,
1
=:>
MDOS09
'* '*
S K
I
P
2
MAC
R
a
'*
'*
THE
GENERATED BYTE IS A
"COMPARE
INDEX IMMEDIATE".
'*
THE EXECUTION OF THE BYTE WILL CHANGE THE CONDITION CODE
'*
NO REGISTERS ARE
AFFECTED.
THUS,
A ONE BYTE INSTRUCTION
'*
IS FORMED THAT SKIPS FORWARD TWO
BYTES.
'*
SKIP2
MACR
*
FeB $8C
ENDM
'*
SKI
P 1
'*
MAC R
a
'*
THE
SAME CONCEPT
AS
THE "SKIP2" MACRO IS USEDI EXCEPT TH
*
A
"BIT
TEST ACCUMULATOR
A
.IMMEDIATE" OP
CODE IS
GENERATE
'*
SKIPl
MACR
FeB $85
ENDM
*
*
seA L L
*
SCALL
MACR
lFEG NARG-l
SWI
MAC R 0
FeB \O!. %01111111
ENDC
'*
IFNE NARG-l
(SYSTEM FUNCTION CALL)
Page
1-01
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