FX1S Datasheet, PDF (195/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
ÀÐÈÔÌÅÒÈ×ÅÑÊÈÅ ÈÍÑÒÐÓÊÖÈÈ
6.4.5
ÈÍÑÒÐÓÊÖÈß ÏÐÈÐÀÙÅÍÈß (INC, DINC)
INC (D+)
D+
KnY, KnM, KnS, T, C, D, V, Z
INC
FNC 24
Ïðèðàùåíèå
CPU
FX1S
FX1N
FX2N FX2NC
©
©
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit 32 Bit INC/INCP
3
©
© © DINC/DINCP
5
ÓÊÀÇÀÍÈÅ
ÏÐÈÌÅÐ
ÔÓÍÊÖÈß
Ê ÷èñëîâîìó çíà÷åíèþ äàííûõ ïðèáàâëÿåòñÿ ÷èñëî 1 (ïðèðàùèâàåòñÿ).
Èíñòðóêöèÿ âûïîëíÿåòñÿ â êàæäîì öèêëå ïðîãðàììû. Ýòîãî ìîæíî èçáåæàòü áëàãîäàðÿ
ââåäåíèþ âïåðåäè ôóíêöèé èìïóëüñà (PLS- èëè PLF-èíñòðóêöèè) èëè ïðèìåíèâ êîìàíäíûé
ïàðàìåòð Ð (äëÿ MELSEC FX/FX2N).
Ïðè ïðèðàùåíèè ê çíà÷åíèþ ÷èñëà, èìåþùåìóñÿ â D+, ïðèáàâëÿåòñÿ ÷èñëî 1, êàê òîëüêî
âûïîëíèòñÿ âõîäíîå óñëîâèå.
b 16-ÒÈ ÁÈÒÎÂÛÉ ÎÏÅÐÀÍÄ (INC-ÈÍÑÒÐÓÊÖÈß)
Åñëè ïðè 16-òè áèòîâîì îïåðàíäå çíà÷åíèå 1 äîáàâèòñÿ ê + 32 767, òî çàïèøåòñÿ çíà÷åíèå
- 32 768. Íå ïîÿâëÿåòñÿ íèêàêîãî ôëàãà.
b 32-Õ ÁÈÒÎÂÛÉ ÎÏÅÐÀÍÄ (DINC-ÈÍÑÒÐÓÊÖÈß)
Åñëè ïðè 32-õ áèòîâîì îïåðàíäå çíà÷åíèå 1 äîáàâèòñÿ ê ÷èñëó [phone], òî
çàïèøåòñÿ çíà÷åíèå -2 147 483 648. Íå ïîÿâëÿåòñÿ íèêàêîãî ôëàãà.
Ïðèìåíåíèå INC-èíñòðóêöèè
Ðèñ. 6-46.
X0
[ D+ ]
INCP D10
Ïðèìåð ïðîãðàììèðîâàíèÿ
INCP-èíñòðóêöèè
C000136C
Çíà÷åíèå äàííûõ â ðåãèñòðå äàííûõ D10 ïðè íàëè÷èè âõîäíîãî ñèãíàëà Õ0 ïîâûñèòñÿ íà ÷èñëî 1.
Èíñòðóêöèÿ àêòèâèçèðóåòñÿ áëàãîäàðÿ ïîäêëþ÷åííîé âïåðåäè ôóíêöèè èìïóëüñà. Ýòî âàæíî,
÷òîáû ïðîöåññ ñóììèðîâàíèÿ íå âûïîëíÿëñÿ â êàæäîì öèêëå ïðîãðàììû.
Ħ
Ïðîãðàììèðîâàíèå FX1S/FX1N/FX2N/FX2NC
6 – 53