Renesas M32R-FPU User Manual

3

3-61

M32R-FPU Software Manual (Rev.1.01)

load/store instruction

 

 LD  Rdest,@Rsrc

 

 LD  Rdest,@Rsrc+

 

 LD  Rdest,@(disp16,Rsrc)

Load to register from the contents of the memory.

(1)  Rdest = *( int *) Rsrc;

(2)  Rdest = *( int *) Rsrc,  Rsrc += 4;

(3)  Rdest = *( int *) ( Rsrc + ( signed short ) disp16 );

(1)  The contents of the memory at the address specified by Rsrc are loaded into Rdest.

(2)  The contents of the memory at the address specified by Rsrc are loaded into Rdest.

       Rsrc is post incremented by 4.

(3)  The contents of the memory at the address specified by Rsrc combined with the 16-

       bit displacement are loaded into Rdest.

       The displacement value is sign-extended to 32 bits before the address calculation.

       The condition bit (C) is unchanged.

Address exception (AE)

INSTRUCTIONS

3.2 Instruction description