STMicroelectronics ST10 Series Programming Manual page 113

SCXT
Syntax
Operation
Data Types
Description
Used to switch contexts for any register. Switching context is a push and load operation. The contents of
the register specified by the first operand, op1, are pushed onto the stack. That register is then loaded
with the value specified by the second operand, op2.
Flags
E
-
E Not affected
Z Not affected
V Not affected
C Not affected
N Not affected
Addressing Modes
Mnemonic
SCXT
SCXT
Switch Context
SCXT
(tmp1)
(tmp2)
(SP)
((SP))
(op1)
WORD
Z
-
reg, #data
16
reg, mem
ST10 FAMILY PROGRAMMING MANUAL
op1, op2
<-- (op1)
<--(op2)
<-- (SP) - 2
<-- (tmp1)
<-- (tmp2)
V
-
Format
C6 RR ## ##
D6 RR MM MM
C N
- -
Bytes
4
4
111/172