Chapter 3. Instruction
Detailed Description
(1) LAY
Naming :
Load Accumulator from Y-Register
Status :
Set
Format :
Function :
<Comment>
I
A
¡ ç
Y
Data of four bits in the Y-register is unconditionally transferred
to the accumulator. Data in the Y-register is left unchanged.
(2) LYA
Naming :
Status :
Format :
Function :
<Comment>
Load Y-register from Accumulator
Set
I
¡ ç
Y
A
Load Y-register from Accumulator
(3) LAZ
Naming :
Status :
Clear Accumulator
Set
Format :
Function :
<Comment>
I
A
¡ ç
0
Data in the accumulator is unconditionally reset to zero.
(4) LMA
Naming :
Status :
Format :
Function :
<Comment>
Load Memory from Accumulator
Set
I
¡ ç
M(X,Y)
A
Data of four bits from the accumulator is stored in the RAM
location addressed by the X-register and Y-register. Such data
is left unchanged.
(5) LMAIY
Naming :
Status :
Load Memory from Accumulator and Increment Y-Register
Set
I
Format :
¡ ç
¡ ç
Y+1
Function :
<Comment>
M(X,Y)
A, Y
Data of four bits from the accumulator is stored in the RAM
location addressed by the X-register and Y-register. Such data
is left unchanged.
3 - 6
HYNIX [ HYNIX SEMICONDUCTOR ]
