ZiLOG Z8 Series User Manual page 172

Example 1
If the contents of the PC are 1A47h and the contents of the SP (Registers
3002h, the statement:
CALL 3521h
Op Code: D6 35 21
causes the SP to be decremented to
instruction) to be stored in external data memory 3000 and 3001h, and the PC to be loaded
with
3521h
executed.
Example 2
If the contents of the PC are 1A47h, the contents of the SP (Register
contents of Register A4h are
statement:
CALL @A4h
Op Code: D4 A4
causes the SP to be decremented to
tion) to be stored in
points to the address of the first statement in the procedure to be executed.
UM001604-0108
. The PC now points to the address of the first statement in the procedure to be
, and the contents of Register Pair
34h
and , and the PC to be loaded with
R70h 71h
, (the address following the CALL
3000h 1A4Ah
, (the address following the CALL instruc-
70h 1A4Ah
®
Z8 CPU
User Manual
and ) are
FEh FFh
) are 72h, the
FFh
are , the
34h 3521h
. The PC now
3521h
Instruction Description
165