4571 Datasheet, PDF (107/126 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4571 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.M34571G4: p=0 to 31, M34571G6: p=0 to 47 and M34571GD: p=0 to 127.
Rev.1.02 May 25, 2007 Page 107 of 124
REJ03B0179-0102