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4501_M Datasheet, PDF (106/212 Pages) Renesas Technology Corp – 4-BIT CISC SINGLE-CHIP MICROCOMPUTER 4500 SERIES
4501 Group
HARDWARE
INSTRUCTIONS
MACHINE INSTRUCTIONS (INDEX BY TYPES) (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
Function
1 (PCL) ← a6–a0
2 (PCH) ← p (Note)
(PCL) ← a6–a0
1 0 0 a6 a5 a4 a3 a2 a1 a0 2 a a
BLA p
0 0 0 0 0 1 0 0 0 0 0 1 0 2 2 (PCH) ← p (Note)
(PCL) ← (DR2–DR0, A3–A0)
1 0 0 p4 0 0 p3 p2 p1 p0 2 p p
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 0 a6 a5 a4 a3 a2 a1 a0 2 a a
(PCL) ← a6–a0
BMLA p
0 0 0 0 1 1 0 0 0 0 030
1 0 0 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 M34501M2, p is 0 to 31 for M34501M4/E4.
Rev.2.01 Feb 07, 2005
REJ09B0192-0201
1-94