FX1S Datasheet, PDF (187/480 Pages) Mitsubishi Electric Semiconductor – FX1S

ÏÐÈÊËÀÄÍÛÅ ÈÍÑÒÐÓÊÖÈÈ
ÀÐÈÔÌÅÒÈ×ÅÑÊÈÅ ÈÍÑÒÐÓÊÖÈÈ
6.4
6.4.1
ÀÐÈÔÌÅÒÈ×ÅÑÊÈÅ ÈÍÑÒÐÓÊÖÈÈ
ÎÁÇÎÐ ÈÍÑÒÐÓÊÖÈÉ FNC 20...29
Ñèìâîë
FNC
Íàçíà÷åíèå
ADD
20
Ñëîæåíèå ÷èñëîâûõ äàííûõ
SUB
21
Âû÷èòàíèå ÷èñëîâûõ äàííûõ
MUL
22
Óìíîæåíèå ÷èñëîâûõ äàííûõ
DIV
23
Äåëåíèå ÷èñëîâûõ äàííûõ
INC
24
Èíêðåìåíòàöèÿ (ïðèðàùåíèå)
DEC
25
Äåêðåìåíòàöèÿ (óìåíüøåíèå)
WAND
26
Ëîãè÷åñêàÿ ñâÿçü “È”
WOR
27
Ëîãè÷åñêàÿ ñâÿçü “ÈËȔ
WXOR
28
Ëîãè÷åñêàÿ ñâÿçü “ÍÅ ÈËȔ
NEG
29
Îòðèöàíèå
Òàáë. 6-12. Îáçîð èíñòðóêöèé FNC 20...29
Ðàçäåë
6.4.1
6.4.2
6.4.3
6.4.4
6.4.5
6.4.6
6.4.7
6.4.8
6.4.9
6.4.10
ÑËÎÆÅÍÈÅ ×ÈÑËÎÂÛÕ ÄÀÍÍÛÕ (ADD, DADD)
ADD (S1+) (S2+) (D+)
S+, S2+
K, H, KnX, KnY, KnM, KnS,
T, C, D, V, Z
D+
KnY, KnM, KnS,
T, C, D, V, Z
ADD
FNC 20
Ñëîæåíèå ÷èñëîâûõ äàííûõ
CPU
FX1S
FX1N
FX2N FX2NC
©
©
©
©
Èìï. èíñòðóêöèÿ (P) Îáðàáîòêà Øàãè ïðîãðàììû
16 Bit 32 Bit ADD/ADDP
7
© © DADD/DADDP 13
ÔÓÍÊÖÈß
Ñëîæåíèå äâóõ ÷èñëîâûõ äàííûõ. Ðåçóëüòàò ñëîæåíèÿ õðàíèòñÿ ïî àäðåñó öåëè.
ÎÏÈÑÀÍÈÅ
b Äâîè÷íûå äàííûå â àäðåñàõ èñòî÷íèêîâ (S1+) è (S2+) ñóììèðóþòñÿ. Ðåçóëüòàò
ñóììèðîâàíèÿ çàïîìèíàåòñÿ â àäðåñå öåëè (D+).
(S1+) + (S2+) = (D+)
b  ñòàðøåì áèòå çàïîìèíàåòñÿ çíàê ÷èñëà ñóììèðîâàíèÿ:
0: çíàê ïîëîæèòåëüíîãî ÷èñëà
1: çíàê îòðèöàòåëüíîãî ÷èñëà
b Ïðè âûïîëíåíèè 32-õ áèòíîé èíñòðóêöèè â íåé óêàçûâàåòñÿ îïåðàíä ñëîâà ìëàäøèõ 16
áèò. Ñëåäóþùèé çà íåé îïåðàíä ÿâëÿåòñÿ îïåðàíäîì ñëîâà ñòàðøèõ 16 áèò.
Ðåêîìåíäóåòñÿ ïðè çàäàíèè àäðåñà ïðèìåíÿòü ÷åòíûå ÷èñëà, ÷òîáû íå
çàïðîãðàììèðîâàòü ïî îøèáêå íàëîæåíèå àäðåñîâ.
b  àäðåñå èñòî÷íèêà (S+) è àäðåñå öåëè (D+) íóæíî òàêæå óêàçûâàòü îäèíàêîâûå òèïû
îïåðàíäîâ.
Ïðîãðàììèðîâàíèå FX1S/FX1N/FX2N/FX2NC
6 – 45