生成BCD码。 Name: BIN3toBCD4 Func:2字节二进制整数--->>BCD码四字节转换(Comped BCD) Input: 3进制数人低字节到高字节存放在内部RAM50H，51H,52h单元中 Output: BCD码人低位到高位分别存放在内部RAM53H,54H，55H，56H单元中 USE: R7-R0, 56H-50H-generation BCD. Name : BIN3toBCD4 Func : 2-byte binary integers-- gt; Gt; BCD four byte conversion (Comped BCD) Input : 3 band several low byte to high-byte stored in the internal RAM50H, 51H, chick modules Output : BCD who were low to high deposit on internal RAM53H, 54H, 55H, Social modules USE : R7-R0, Social-50H