44blib_a.s

来自「三星公司的开发板与原理图」· S 代码 · 共 23 行

S
23
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	AREA |C$$code|, CODE, READONLY

	EXPORT	ChangeMemCon
;*************************************************************************
;*	The function for changing the Bank control and refresh registers) *
;**************************************************************************
;void ChangeMemCon();
ChangeMemCon
    stmfd   sp!,{r4-r9}	    ;Assembler uses the high registers(r4~). 
	   
    ldmia   r0,{r1-r9}
    ldr	    r0,=0x01c80004  ;BANKCON0 Address
    stmia   r0,{r1-r9}

    ldmfd   sp!,{r4-r9}

    mov	    pc,lr


	END

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