Motorola HC12 Refrence Manual page 342

Table A-1 Instruction Set Summary (Continued)
Source
Form
BHS rel
Branch if Higher or Same
(if C = 0) (unsigned)
same function as BCC
(A) • (M)
BITA opr
Logical And A with Memory
(B) • (M)
BITB opr
Logical And B with Memory
BLE rel Branch if Less Than or Equal
(N ⊕ V) = 1) (signed)
(if Z
BLO rel Branch if Lower
(if C = 1) (unsigned)
same function as BCS
BLS rel Branch if Lower or Same
(if C Z = 1) (unsigned)
BLT rel Branch if Less Than
(if N ⊕ V = 1) (signed)
BMI rel Branch if Minus (if N = 1)
BNE rel Branch if Not Equal (if Z = 0)
BPL rel
Branch if Plus (if N = 0)
BRA rel
Branch Always (if 1 = 1)
Branch if (M) • (mm) = 0
BRCLR
opr , msk , rel
(if All Selected Bit(s) Clear)
BRN rel Branch Never (if 1 = 0)
Branch if (M) • (mm) = 0
BRSET
opr , msk , rel
(if All Selected Bit(s) Set)
(mm) ⇒ M
BSET opr , msk (M)
Set Bit(s) in Memory
(SP) – 2 ⇒ SP;
BSR rel
RTN :RTN
H
Subroutine address ⇒ PC
Branch to Subroutine
MOTOROLA
A-4
Operation
⇒ M
:M
L (SP) (SP+1)
INSTRUCTION REFERENCE
Addr. Machine
Mode Coding (hex)
REL 24 rr 3/1
IMM 85 ii
DIR 95 dd
EXT B5 hh ll
IDX A5 xb
IDX1 A5 xb ff
IDX2 A5 xb ee ff
[D,IDX] A5 xb
[IDX2] A5 xb ee ff
IMM C5 ii
DIR D5 dd
EXT F5 hh ll
IDX E5 xb
IDX1 E5 xb ff
IDX2 E5 xb ee ff
[D,IDX] E5 xb
[IDX2] E5 xb ee ff
REL 2F rr 3/1
REL 25 rr 3/1
REL 23 rr 3/1
REL 2D rr 3/1
REL 2B rr 3/1
REL 26 rr 3/1
REL 2A rr 3/1
REL 20 rr
DIR 4F dd mm rr
EXT 1F hh ll mm rr
IDX 0F xb mm rr
IDX1 0F xb ff mm rr
IDX2 0F xb ee ff mm rr
REL 21 rr
DIR 4E dd mm rr
EXT 1E hh ll mm rr
IDX 0E xb mm rr
IDX1 0E xb ff mm rr
IDX2 0E xb ee ff mm rr
DIR 4C dd mm
EXT 1C hh ll mm
IDX 0C xb mm
IDX1 0C xb ff mm
IDX2 0C xb ee ff mm
REL 07 rr
*
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S X H I N Z V C
– – – – – – –
– – ∆ ∆
1 – – 0
3
3
3
3
4
6
6
– – ∆ ∆
1 – – 0
3
3
3
3
4
6
6
– – – – – – –
– – – – – – –
– – – – – – –
– – – – – – –
– – – – – – –
– – – – – – –
– – – – – – –
3 – – – – – – –
4 – – – – – – –
5
4
6
8
1 – – – – – – –
4 – – – – – – –
5
4
6
8
– – ∆ ∆
4 – – 0
4
4
4
6
4 – – – – – – –
CPU12
REFERENCE MANUAL
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