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PATCH COMMAND
21.2 -- PATCH Command Set
mnemonic
that is displayed is
the following:
MMM erA or B) C#J<HH
or
HHHH
O~
RR} (,X)J
For MDOS09, the
format
of
the assembly
language mnemonic that
is displayed is
the following:
MMM etA or BJ (#J<HH or HHHH
or
RR or RRRR
or
RL or R,R)
The symbols take on the following meanings:
Stjmbol
Meaning
MMM
The
three-cnaracter
mnemonic
or
base
mnemonic.
A or B
The
accumulator
specification
for
HH
HHHH
RR
I
X
RRRR
accumulator instruction tqpes.
The
immediate
addressing
mode
operand
qualifier
(cannot
appear
concurrently
with
I I ,
X",
"RR" ,
uRRRR
ll
,
IIRL",
"R, RII,
or
I1,RII).
~ one-b~te
he~adecimal
operand.
A
two-byte hexadecimal operand.
A
one-byte hexadecimal operand indicating
relative
addressing
mode (cannot appear
concurrently with
11#"1
", X",
or
If,
RII).
The
indexed
addressing
mode
operand
~ualifier
(cannot
appear
concurrently
wi
th
"#11,
II
HHHH " , or "RR").
A
two-byte hexadecimal operand indicating
relative
addressing
mode (cannot appear
concurT'ently with
11#"
or
II,Rn).
RL
The operand is a
register
list
(cannot
appear concurrently with
"#"
or
It,
R").
RIR
The
operand
is
a
~egiste~
pair (cannot
appear concurrently with
11#"
or
II,RII).
,R
Th~
indexed
addreSSing
mode
operand
qualifier
(cannot
appear
concurrently
with
"#/1,
IIRR" .. or "RRRRfI).
The following example
ror
the
M6800
illustrates
the
di~ferent
types
of
displays that can be generated by the
I
Page
21-06
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