Z86E3016PSG Datasheet, PDF (287/348 Pages) Zilog, Inc. – Z86E3016PSG

Z8 CPU
User Manual
269
Load Constant
LDC dst, src
Instruction Format
OPC
OPC
dst src
dst src
Cycles
12
OPC
(Hex)
C2
12
D2
Address Mode
dst
src
r
Irr
Irr
r
Operation
dst ← src
This instruction is used to load a byte constant from program memory
into a Working Register, or vice versa. The address of the program mem-
ory location is specified by a Working Register Pair. The contents of the
source operand are not affected.
Flag
C
Z
S
V
D
H
Description
Unaffected
Unaffected
Unaffected
Unaffected
Unaffected
Unaffected
Example
If Working Register Pair R6 and R7 contain the value 30A2h and program
memory location 30A2h contains the value 22h, the statement:
LDC R2, @RR6
Op Code: C2 26
UM001602-0904
Instruction Description