455A Datasheet, PDF (126/148 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

455A Group
MACHINE INSTRUCTIONS (INDEX BY TYPES) (continued)
Para
Instruction code
meter
Type of
instructi
Mnemonic
D9
D8
D7
D6
D5
D4
D3
D2
D1
D0
Hexadecim
al notation
ons
SEAM
0000100110026 1
1 (A) = (M(DP)) ?
Function
SEA n
0 0 0 0 1 0 0 1 0 1 0 2 5 2 2 (A) = n ?
n = 0 to 15
Ba
BL p, a
BLA p
BM a
000111nnnn07n
0 1 1 a6 a5 a4 a3 a2 a1 a0 1 8 a 1
+a
1 (PCL) ← a6−a0
0 0 1 1 1 p4 p3 p2 p1 p0 0 E p 2
+p
2 (PCH) ←p (Note 1)
(PCL) ← a6−a0
1 p6 p5 a6 a5 a4 a3 a2 a1 a0 2 a a
0 0 0 0 0 1 0 0 0 0 01 0 2
2 (PCH) ← p (Note 1)
(PCL) ← (DR2−DR0, A3−A0)
1 p6 p5 p4 0 0 p3 p2 p1 p0 2 p p
0 1 0 a6 a5 a4 a3 a2 a1 a0 1 a a 1
1 (SP) ← (SP) + 1
(SK(SP)) ← (PC)
(PCH) ← 2
(PCL) ← a6−a0
BML p, a 0 0 1 1 0 p4 p3 p2 p1 p0 0 C p 2
+p
1 p6 p5 a6 a5 a4 a3 a2 a1 a0 2 a a
2 (SP) ← (SP) + 1
(SK(SP)) ← (PC)
(PCH) ← p (Note 1)
(PCL) ← a6−a0
BMLA p
0000110000030 2
1 p6 p5 p4 0 0 p3 p2 p1 p0 2 p p
2 (SP) ← (SP) + 1
(SK(SP)) ← (PC)
(PCH) ← p (Note 1)
(PCL) ← (DR2−DR0, A3−A0)
RTI
0 0 0 1 0 0 0 1 1 0 0 4 6 1 1 (PC) ← (SK(SP))
(SP) ← (SP) − 1
RT
0 0 0 1 0 0 0 1 0 0 0 4 4 1 2 (PC) ← (SK(SP))
(SP) ← (SP) − 1
RTS
0 0 0 1 0 0 0 1 0 1 0 4 5 1 2 (PC) ← (SK(SP))
(SP) ← (SP) − 1
Note 1. M3455AG8: p=0 to 63 and p6=0, and M3455AGC: p=0 to 95.
Rev.1.01 Feb 15, 2008 Page 126 of 146
REJ03B0224-0101