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MCS-96
MACRO
ASSEMBLER
EV96
01/24/89
13:55:41
PAGE
6
ERR LOC
OBJECT
00 30
0030
0034
0036
0036
0036
0038
003A
003c
2020
2020
2022
LINE
<b6
16,
168
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;OUR(:E STATEMENT
'These
registers
MUST
be reserved
for the RISM
rseg at 30H
;
RISM
DATA:
RISM-ADDR:
-
dsl
1
; The RISM
data
register
dsw
1
;
The RISM
address
register
tempw:
dsw
1
; Temp
for use by monitor
tempb
w
tempwzbyte
char
ew
tempw:byte
RISM-STAT:
dsb
1
; Contains
rism
state
flags
DEFINE
BIT
DEFINE-BIT
DLE-FLAG,0
DEFINE-BIT
RUN-FLAG,2
TRAP
FLAG,1
DEFINE-BIT
USER-MAP,3
DEFINEIBIT
DIAGNOSTIC
FLAG,7
-
;
These
variables
are used
by the monitor
when
in diagnotic
mode
only.
;
--------------------------------------------------------------------
dUSER_PC:
dsw
1
;
Saves
user's
pc during
halt
dUSER-PSW:
dsw
1
; Saves
user's
psw during
halt
;
dseg
at 2020H
i
-------------
; These
variables
are used
in the normal
(non-diagnostic)
mode
; _______-_______--_--____________________--------------------
;SER
PC:
USERIPSW:
Seject
dsw
1
; Saves
user's
pc during
halt
dsw
1
;
Saves
user's
psw
during
halt
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