Renesas M32R-FPU Uživatelský manuál stáhnout pdf (Strana 147)

3-109 M32R-FPU Software Manual (Rev.1.01)

STST

load/store instruction

Store

[Mnemonic]

(1) ST Rsrc1,@Rsrc2

(2) ST Rsrc1,@+Rsrc2

(3) ST Rsrc1,@-Rsrc2

(4) ST Rsrc1,@(disp16,Rsrc2)

[Function]

Store

(1) * ( int *) Rsrc2 = Rsrc1;

(2) Rsrc2 += 4, * ( int *) Rsrc2 = Rsrc1;

(3) Rsrc2 -= 4, * ( int *) Rsrc2 = Rsrc1;

(4) * ( int *) ( Rsrc2 + ( signed short ) disp16 ) = Rsrc1;

[Description]

(1) ST stores Rsrc1 in the memory at the address specified by Rsrc2.

(2) ST increments Rsrc2 by 4 and stores Rsrc1 in the memory at the address specified by the

resultant Rsrc2.

(3) ST decrements Rsrc2 by 4 and stores the contents of Rsrc1 in the memory at the address

specified by the resultant Rsrc2.

(4) ST stores Rsrc1 in the memory at the address specified by Rsrc combined with the 16-bit

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

The condition bit (C) is unchanged.

[EIT occurrence]

Address exception (AE)

INSTRUCTIONS

3.2 Instruction description

1 2 ... 142 143 144 145 146 147 148 149 150 151 152 ... 193 194

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Renesas M32R-FPU Uživatelský manuál Strana 147