FX1S Datasheet, PDF (193/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
ÀÐÈÔÌÅÒÈ×ÅÑÊÈÅ ÈÍÑÒÐÓÊÖÈÈ
6.4.4
ÄÅËÅÍÈÅ ×ÈÑËÎÂÛÕ ÄÀÍÍÛÕ (DIV, DDIV)
DIV (S1+) (S2+) (D+)
S1+, S2+
K, H, KnX, KnY, KnM, KnS,
T, C, D, V, Z
D+
KnY, KnM, KnS,
T, C, D, Z (V)
DIV
FNC 23
Äåëåíèå ÷èñëîâûõ äàííûõ
CPU
FX1S
FX1N
FX2N FX2NC
©
©
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit 32 Bit DIV/DIVP
7
©
© © DDIV/DDIVP 13
ÔÓÍÊÖÈß
Äåëåíèå äâóõ ÷èñëîâûõ äàííûõ. Ðåçóëüòàò äåëåíèÿ õðàíèòñÿ ïî àäðåñó öåëè.
ÎÏÈÑÀÍÈÅ
b Âûïîëíÿåòñÿ äåëåíèå äàííûõ â (S1+) è (S2+). Äàííûå â (S1+) ñîîòâåòñòâóþò äåëèìîìó, â
(S2+) - äåëèòåëþ. Ðåçóëüòàò äåëåíèÿ çàïîìèíàåòñÿ ïî àäðåñó îïåðàíäà óêàçàííîãî â (D+) è
â ñëåäóþùèì àäðåñå îïåðàíäà. Îñòàòîê äåëèìîãî çàïîìèíàåòñÿ â ñëåäóþùèì àäðåñå
îïåðàíäà.
(S1+) : (S2+) = (D+)
b  ñòàðøåì áèòå çàïîìèíàåòñÿ çíàê ÷èñëà ðåçóëüòàòà äåëåíèÿ.
0: çíàê ïîëîæèòåëüíîãî ÷èñëà
1: çíàê îòðèöàòåëüíîãî ÷èñëà
Çíàê ðåçóëüòàòà äåëåíèÿ çàâèñèò îò çíàêîâ ÷èñåë äåëèìîãî è äåëèòåëÿ.
b Ïðè 32-õ áèòíîì îïåðàíäå äëÿ (D+) íåëüçÿ ïðèìåíÿòü Z(V).
Äåëèìîå
+
+
–
–
Äåëèòåëü
+
–
+
–
Ðåçóëüòàò
+
–
–
+
Îñòàòîê
+
+
–
–
Òàáë. 6-13.
Çíàê ÷èñëà ðåçóëüòàòà äåëåíèÿ
ÓÊÀÇÀÍÈÅ
Åñëè àäðåñîì öåëè ÿâëÿåòñÿ áèò-îïåðàíä, òî ÏÊ íå ìîæåò îïðåäåëèòü îñòàòêà îò äåëåíèÿ
ÈÑÒÎ×ÍÈÊ ÎØÈÁÊÈ
Ïðè ðàáîòå ïðîãðàììû ïîÿâëÿåòñÿ îøèáêà, åñëè çíà÷åíèå äåëèòåëÿ ðàâíî 0. Èíñòðóêöèÿ íå
îáðàáàòûâàåòñÿ.
ÄÅËÅÍÈÅ 16-ÒÈ ÁÈÒÍÛÕ ÄÀÍÍÛÕ (DIV-ÈÍÑÒÐÓÊÖÈß)
Ðåçóëüòàò 16-òè áèòíîãî äåëåíèÿ çàïîìèíàåòñÿ ïî àäðåñó îïåðàíäàâ çàäàííîì D+. Îñòàòîê îò
äåëåíèÿ çàïîìèíàåòñÿ â ñëåäóþùåì çà íèì àäðåñå îïåðàíäà.
Ïðîãðàììèðîâàíèå FX1S/FX1N/FX2N/FX2NC
6 – 51