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FX1S Datasheet, PDF (225/480 Pages) Mitsubishi Electric Semiconductor – FX1S
ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
ÎÏÅÐÀÖÈÈ Ñ ÄÀÍÍÛÌÈ
6.6.10 ÏÐÅÎÁÐÀÇÎÂÀÍÈÅ ÔÎÐÌÀÒΠ×ÈÑÅË (FLT)
FLT (S+) (D+)
S+
D+
D
D
FLT
FNC 49
Ïðåîáðàçîâàíèå ôîðìàòîâ ÷èñåë
CPU
FX1S
FX1N
FX2N FX2NC
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit 32 Bit FLT/FLTP
5
© © DFLT/DFLTP 9
ÓÊÀÇÀÍÈÅ
ÏÐÈÌÅÐ
ÔÓÍÊÖÈß
Ïðåîáðàçîâàíèå ÷èñåë ôîðìàòà öåëîãî ÷èñëà â ôîðìàò ÷èñëà ñ ïëàâàþùåé çàïÿòîé
ÎÏÈÑÀÍÈÅ
Èñõîäÿ èç äàííûõ â (S+), öåëîå ÷èñëî ïðåîáðàçîâûâàåòñÿ â ÷èñëî ñ ïëàâàþùåé çàïÿòîé è
çàíîñèòñÿ â (D+).
Ðåçóëüòàò ïðåîáðàçîâàíèÿ ÷èñåë âñåãäà çàïèñûâàåòñÿ â 32-õ áèòíûé ðåãèñòð äàííûõ.
Ïðîãðàììèðîâàíèå FLT-èíñòðóêöèè
Ðèñ. 6-81.
Ïðèìåð ïðîãðàììèðîâàíèÿ
ïðåîáðàçîâàíèÿ â ôîðìàò ñ ïëàâàþùåé
T127
[ S+ ] [ D+ ]
çàïÿòîé
FLT D58 D100
C000304C
Êàê òîëüêî òàéìåð Ò127 âêëþ÷èòñÿ, çíà÷åíèå â ðåãèñòðå äàííûõ D58 ïðåîáðàçóåòñÿ â ÷èñëî ñ
ïëàâàþùåé çàïÿòîé è åãî çíà÷åíèå çàïèøåòñÿ â ðåãèñòð äàííûõ D100.
Ïðîãðàììèðîâàíèå FX1S/FX1N/FX2N/FX2NC
6 – 83