bin2bcd16.s43

来自「430系列开发之MSP430FE42x开发代码实例」· S43 代码 · 共 38 行

;extern void bin2bcd16(uint8_t bcd[3], uint16_t bin);
        public bin2bcd16
        public _bin2bcd16

        RSEG CODE
bin2bcd16
_bin2bcd16
	#define i R8
	#define decimal_0 R9
	#define decimal_1 R10

                push    R8
                push    R9
                push    R10
                
                
                clr     R9 ; decimal_0 =
                clr     R10 ;decimal_1 = 0;
        
                mov	#16,i
bin2bcd16_1
		rla   	R14
   		dadd  	decimal_0,decimal_0
   		dadd  	decimal_1,decimal_1
   		dec   	i
   		jnz   	bin2bcd16_1
   		mov.b	decimal_1,0(R12)
   		mov.b	decimal_0,2(R12)
   		swpb	decimal_0
   		mov.b	decimal_0,1(R12)

                pop     R10
                pop     R9
                pop     R8
                ret
               
               end