Speed scaling ==> 60,00 m/min * 6667 = 4000 2000 BCD, using upper word 0...4000 LD 255.02 OUT TR0 @MUL DM2600 #6667 DM2607 CMP DM2608 #3999 AND 255.05 MOV #4000 DM2608 LD TR0 BIN DM2608 DM2610 @MUL DM2600 #8000 DM2624 CMP DM2625 #3999 AND 255.05 MOV #4000 DM2625 LD TR0 BIN DM2625 DM2626 下面的程序同上，只不过是另一种显示方式为了让您更好的理解 LD 1_SEC_PULSE OUT TR0 @MUL LineSpeed_SV #6667 LineSpeed_BCD1 CMP LineSpeed_BCD #3999 AND Greater MOV #4000 LineSpeed_BCD LD TR0 BIN LineSpeed_BCD LineSpeed_HEX @MUL LineSpeed_SV #8000 LineSp_2_BCD CMP LineSp_2_sv #3999 AND Greater MOV #4000 LineSp_2_sv LD TR0 BIN LineSp_2_sv LineSp_2_svHex