Chapter 3. Instruction
(10) LMIIY i
Naming :
Status :
Load Memory from Immediate and Increment Y-Register
Set
Format :
Operand :
Function :
<Comment>
Constant 0
M(X,Y)
i
15
i, Y
Y + 1
Data of four bits from operand of instruction is stored into the
RAM location addressed by the X-register and Y-register.
Then data in the Y-register is incremented by one.
(11) LXI n
Naming :
Status :
Load X-Register from Immediate
Set
Format :
Operand :
Function :
<Comment>
X file address 0
n
3
X
n
A constant is loaded in X-register. It is used to set X-register in
an index of desired RAM page. Operand of 1 bit of command
is loaded in X-register.
(12) SEM n
Naming :
Status :
Set Memory Bit
Set
Format :
Operand :
Function :
<Comment>
Bit address 0
M(X,Y,n)
n
3
1
Depending on the selection in operand of operand, one of four
bits is set as logic 1 in the RAM memory addressed in
accordance with the data of the X-register and Y-register.
(13) REM n
Naming :
Status :
Reset Memory Bit
Set
Format :
Operand :
Function :
<Comment>
Bit address 0
M(X,Y,n)
n
3
0
Depending on the selection in operand of operand, one of four
bits is set as logic 0 in the RAM memory addressed in
accordance with the data of the X-register and Y-register.
3 - 8
HYNIX [ HYNIX SEMICONDUCTOR ]
