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M166 Datasheet, PDF (51/127 Pages) Siemens Semiconductor Group – C16x Family of Siemens 16-Bit CMOS Single-Chip Microcontrollers
30Mar98@15:00h
C166 Family Instruction Set
Instruction Description
CALLI
Call Subroutine Indirect
CALLI
Syntax
Operation
Description
Condition Codes
Condition Flags
CALLI op1, op2
IF (op1) THEN
(SP) ← (SP) - 2
((SP)) ← (IP)
(IP) ← op2
ELSE
next instruction
END IF
If the condition specified by op1 is met, a branch to the location specified
indirectly by the second operand op2 is taken. The value of the instruction
pointer, IP, is placed onto the system stack. Because the IP always points
to the instruction following the branch instruction, the value stored on the
system stack represents the return address of the calling routine. If the
condition is not met, no action is taken and the next instruction is executed
normally.
See condition code table.
E
Z
V
C
N
-
-
-
-
-
Addressing Modes
E Not affected.
Z Not affected.
V Not affected.
C Not affected.
N Not affected.
Mnemonic
CALLI
cc, [Rwn]
Format
AB cn
Bytes
2
Semiconductor Group
51
Version 1.2, 12.97