4518 Datasheet, PDF (132/160 Pages) Renesas Technology Corp – SINGLE-CHIP 4-BIT CMOS MICROCOMPUTER

4518 Group
MACHINE INSTRUCTIONS (continued)
Parameter
Instruction code
Mnemonic
Type of
instructions
D9 D8 D7 D6 D5 D4 D3 D2 D1 D0
Hexadecimal
notation
Ba
0 1 1 a6 a5 a4 a3 a2 a1 a0 1 8 a 1
+a
BL p, a
0 0 1 1 1 p4 p3 p2 p1 p0 0 E p 2
+p
1 0 p5 a6 a5 a4 a3 a2 a1 a0 2 p a
+a
BLA p
0 0 0 0 0 1 0 0 0 0 010 2
1 0 p5 p4 0 0 p3 p2 p1 p0 2 p p
Function
1 (PCL) ← a6–a0
2 (PCH) ← p (Note)
(PCL) ← a6–a0
2 (PCH) ← p (Note)
(PCL) ← (DR2–DR0, A3–A0)
BM a
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 2 (SP) ← (SP) + 1
+p
(SK(SP)) ← (PC)
(PCH) ← p (Note)
1 0 p5 a6 a5 a4 a3 a2 a1 a0 2 p a
(PCL) ← a6–a0
+a
BMLA p
0 0 0 0 1 1 0 0 0 0 030
1 0 p5 p4 0 0 p3 p2 p1 p0 2 p p
2 2 (SP) ← (SP) + 1
(SK(SP)) ← (PC)
(PCH) ← p (Note)
(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: p is 0 to 15 for M34518M2,
p is 0 to 31 for M34518M4,
p is 0 to 47 for M34518M6,
p is 0 to 63 for M34518M8/E8.
Rev.3.01 2005.06.15 page 132 of 157
REJ03B0008-0301