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569
Special Math Instructions
Section 3-14
Description
ROOT(072) computes the square root of the 8-digit BCD number in S+1 and
S and outputs the integer portion of the result to R. The non-integer remainder
is eliminated.
Flags
Precautions
The operands of this instruction (S+1, S, and R) are all treated as BCD val-
ues. If the input data is binary, use the ROTB(620) instruction.
Examples
Square Root of 8-digit Number
When CIO 000000 is ON in the following example, ROOT(072) calculates the
square root of the data in D00001 and D00000, and writes the integer portion
of the result in D00100.
Note
Figures after the decimal point are truncated for 8-digit numbers.
Timer Area
T0000 to T4094
T0000 to T4095
Counter Area
C0000 to C4094
C0000 to C4095
DM Area
D00000 to D32766
D00000 to D32767
EM Area without bank
E00000 to E32766
E00000 to E32767
EM Area with bank
En_00000 to En_32766
(n = 0 to C)
En_00000 to En_32767
(n = 0 to C)
Indirect DM/EM
addresses in binary
@ D00000 to @ D32767
@ E00000 to @ E32767
@ En_00000 to @ En_32767
(n = 0 to C)
Indirect DM/EM
addresses in BCD
*D00000 to *D32767
*E00000 to *E32767
*En_00000 to *En_32767
(n = 0 to C)
Constants
#00000000 to #99999999
(BCD)
---
Data Registers
---
DR0 to DR15
Index Registers
---
Indirect addressing
using Index Registers
,IR0 to ,IR15
–2048 to +2047 ,IR0 to –2048 to +2047 ,IR15
DR0 to DR15, IR0 to IR15
,IR0+(++) to ,IR15+(++)
,–(– –)IR0 to, –(– –)IR15
Area
S
R
R
S+1
S
BCD data (8 digits)
BCD data (4 digits)
Name
Label
Operation
Error Flag
ER
ON if the data in S+1 and S is not BCD.
OFF in all other cases.
Equals Flag
=
ON if the result is 0000.
OFF in all other cases.
Содержание SYSMAC CS1D-CPU**
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Страница 185: ...146 List of Instructions by Function Code Section 2 4...
Страница 193: ...154 3 35 4 MOVE BIT MOVBC 568 1274 3 35 5 BIT COUNTER BCNTC 621 1276 3 35 6 GET VARIABLE ID GETID 286 1278...
Страница 1389: ...1350 CJ series Instruction Execution Times and Number of Steps Section 4 2...
Страница 1390: ...1351 Appendix A ASCII Code Table ASCII SP Four leftmost bits Four rightmost bits...
Страница 1391: ...1352 ASCII Code Table Appendix A...