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HCS12 Datasheet(PDF) 190 Page - Freescale Semiconductor, Inc

Part # HCS12
Description  HCS12 Microcontrollers
PDF  452 Pages
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Manufacturer  FREESCALE [Freescale Semiconductor, Inc]
Direct Link  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

HCS12 Datasheet(HTML) 190 Page - Freescale Semiconductor, Inc

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Instruction Glossary
S12CPUV2 Reference Manual, Rev. 4.0
190
Freescale Semiconductor
Operation:
(B) + $01
⇒ B
Description:
Add one to the content of accumulator B.
The N, Z, and V status bits are set or cleared according to the results of the
operation. The C status bit is not affected by the operation, thus allowing the
INC instruction to be used as a loop counter in multiple-precision
computations.
When operating on unsigned values, only BEQ, BNE, LBEQ, and LBNE
branches can be expected to perform consistently. When operating on two’s
complement values, all signed branches are available.
INCB
Increment B
INCB
CCR Details:
S
X
HIN
Z
V
C
––––
∆∆∆
–
N: Set if MSB of result is set; cleared otherwise
Z: Set if result is $00; cleared otherwise
V: Set if there is a two’s complement overflow as a result of the
operation; cleared otherwise. Two’s complement overflow occurs if
and only if (B) was $7F before the operation.
Source Form
Address
Mode
Object Code
Access Detail
HCS12
M68HC12
INCB
INH
52
O
O



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