FX1S Datasheet, PDF (224/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÎÏÅÐÀÖÈÈ Ñ ÄÀÍÍÛÌÈ
ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
6.6.9
ÏÐÈÌÅÐ
ÂÛ×ÈÑËÅÍÈÅ ÊÎÐÍß ÊÂÀÄÐÀÒÍÎÃÎ (SQR)
SQR (S+) (D+)
S+
D+
K, H, D
D
SQR
FNC 48
Âû÷èñëåíèå êîðíÿ êâàäðàòíîãî
CPU
FX1S
FX1N
FX2N FX2NC
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit 32 Bit SQR/SQRP
5
© © DSQR/DSQRP 9
ÔÓÍÊÖÈß
Âû÷èñëåíèå êîðíÿ êâàäðàòíîãî, (D+) = S +
ÎÏÈÑÀÍÈÅ
Èñõîäÿ èç äàííûõ â (S+), âûïîëíÿåòñÿ âû÷èñëåíèå êîðíÿ êâàäðàòíîãî è ñ îêðóãëåíèåì äî
öåëîãî ÷èñëà ðåçóëüòàò çàíîñèòñÿ â (D+).
Ïðîãðàììèðîâàíèå SQR-èíñòðóêöèè áåç ôëàãà
Ðèñ. 6-80.
Ïðèìåð ïðîãðàììèðîâàíèÿ ðàñ÷åòà êîðíÿ
êâàäðàòíîãî
M501
[ S+ ] [ D+ ]
DSQR D56 D100
C000302C
ÓÊÀÇÀÍÈÅ
Åñëè âêëþ÷åí ìåðêåð Ì501, ðàññ÷èòûâàåòñÿ çíà÷åíèå êîðíÿ êâàäðàòíîãî â ðåãèñòðå äàííûõ
D56 è ðåçóëüòàò êàê îêðóãëåííîå öåëîå ÷èñëî çàïèñûâàåòñÿ â ðåãèñòð äàííûõ D100.
Êîðåíü êâàäðàòíûé èç îòðèöàòåëüíîãî ÷èñëà âñåãäà ïðèâîäèò ê îøèáêå è âêëþ÷àåòñÿ
ìåðêåð îøèáêè Ì8067.
 ñëåäóþùåé òàáëèöå ïðèâåäåíî íåñêîëüêî ðåçóëüòàòîâ ïðèìåðîâ ïî ðàñ÷åòó êîðíÿ
êâàäðàòíîãî SQR.
(S+)
Ðåçóëüòàò
(D+)
Òàáë. 6-19.
25
5,0
5
Ðåçóëüòàòû ïðèìåðîâ ðàñ÷åòà êîðíÿ
60
7,746
7
êâàäðàòíîãî
-236
15,36 i
ERROR
147
12,124
12
6 – 82
MITSUBISHI ELECTRIC