CPU ADAM 821x
Chapter 9 Instruction list
Command
Operand
Parameter
Status word
Function
Length
in
BR
CC1 CC0 OV OS OR STA RLO /FC
words
: Instruction depends on
: Instruction influences
ADAM 8000 Manual CPU 821x – Rev 1.1
8-33
Word logic instructions with the contents of
ACCU1
Word Logic Instructions
with the Contents of
ACCU1
Status word
Gating the contents of ACCU1 and/or ACCU1-
L with a word or double word according to the
appropriate function.
The word or double word is either a constant in
the instruction or in ACCU2. The result is in
ACCU1 and/or ACCU1-L.
AW
BR
CC1 CC0 OV OS OR STA RLO /FC
AND ACCU2-L
1
AW k16
- - - - - - - - - AND 16Bit constant
2
OW
- Y 0 0 - - - - - OR ACCU2-L
1
OW k16
OR 16Bit constant
2
XOW
EXCLUSIVE OR ACCU2-L
1
XOW k16
EXCLUSIVE OR 16Bit constant
2
AD
AND ACCU2
1
AD k32
AND 32Bit constant
3
OD
OR ACCU2
1
OD k32
OR 32Bit constant
3
XOD
EXCLUSIVE OR ACCU2
1
XOD k32
EXCLUSIVE OR 32Bit constant
3
Timer instructions
Time instructions
Status word
Starting or resetting a timer (addressed directly
or via parameters).
The time value must be in ACCU1-L.
SP T
f
0 to 127
BR
CC1 CC0 OV OS OR STA RLO /FC
Start time as pulse on edge change from "0" to "1".
1/2
Timer
para.
- - - - - - - Y -
2
SE T
f
0 to 127
- - - - - 0 - - 0 Start timer as extended pulse on edge change from
1/2
Timer
para.
"0" to "1".
2
SD T
f
0 to 127
Start timer as ON delay on edge change
1/2
Timer
para.
from "0" to "1".
2
SS T
f
0 to 127
Start timer as saving start delay on edge change
1/2
Timer
para.
from "0" to "1".
2
SA T
f
0 to 127
Start timer as OFF delay on edge change from
1/2
Timer
para.
"1" to "0".
2
FR T
f
0 to 127
Enable timer for restarting on edge change from "0" to "1"
1/2
Timer
para.
(reset edge bit memory for starting timer).
2
R T
f
0 to 127
Reset timer.
1/2
