PUSHC | CS+ V7.00.00

Renesas Electronics

PUSHC	Saving a control register	PUSHC
	PUSH Control register

[Syntax]

PUSHC src

[Operation]

tmp = src;

SP = SP - 4;

*SP = tmp;

[Function]

-	This instruction pushes the control register specified by src onto the stack.

-	The stack pointer in use is specified by the U bit in the PSW.

-	When the PC is specified as src, this instruction pushes its own address onto the stack.

-	EXTB is also specifiable as src if you have specified the assembler option -isa with selection of the instruction set of the RXv2 or a later version. [V2.01.00 or later]

[Instruction Format]

Syntax

Processng Size

Operand

Code Size

(Byte)

src*

PUSHC src

L

Rx

2

Note	* Selectable src: Registers PC, ISP, USP, INTB, EXTB, PSW, BPC, BPSW, FINTV, and FPSW

[Flag Change]

-	This instruction does not affect the states of flags.

[Description Example]

PUSHC PSW