Omron CQM1H - PROGRAM

325
BCD Calculation Instructions Section 5-21
5-21-9 DOUBLE BCD MULTIPLY – MULL(56)
Limitations DM 6141 to DM 6655 cannot be used for R.
TR 0
CLC(41)
@SUBL(55)
HR 00
120
DM 0100
CLC(41)
@SUBL(55)
DM 0000
DM 0100
DM 0100
25504
HR 0100
00003
25504
HR 0100
First
subtraction
Second
subtraction
Turned ON to indicate
negative result.
@BSET(71)
#0000
DM 0000
DM 0001
00000 LD 00003
00001 OUT TR 0
00002 CLC(41)
00003 @SUBL(55)
HR 00
120
DM 0100
00004 AND 25504
00005 @BSET(71)
#0000
DM 0000
DM 0001
00006 CLC(41)
00007 @SUBL(55)
DM 0000
DM 0100
DM 0100
00008 LD TR 0
00009 LD 25504
00010 OR HR 0100
00011 AND LD
00012 OUT HR 0100
Address Instruction Operands Address Instruction Operands
Md: First multiplicand word (BCD)
IR, SR, AR, DM, EM, HR, TIM/CNT, LR
Mr: First multiplier word (BCD)
IR, SR, AR, DM, EM, HR, TIM/CNT, LR
Ladder Symbols
Operand Data Areas
R: First result word
IR, SR, AR, DM, EM, HR, LR
MULL(56)
Md
Mr
R
@MULL(56)
Md
Mr
R