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PC912XDP512F0MPVR 데이터시트(PDF) 250 Page - Freescale Semiconductor, Inc

부품명 PC912XDP512F0MPVR
상세설명  HCS12X Microcontrollers
PDF  1348 Pages
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제조업체  FREESCALE [Freescale Semiconductor, Inc]
홈페이지  http://www.freescale.com
Logo FREESCALE - Freescale Semiconductor, Inc

PC912XDP512F0MPVR 데이터시트(HTML) 250 Page - Freescale Semiconductor, Inc

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Chapter 6 XGATE (S12XGATEV2)
MC9S12XDP512 Data Sheet, Rev. 2.21
250
Freescale Semiconductor
Operation
RS.L – IMM8
⇒ NONE, only condition code flags get updated
Subtracts the 8 bit constant IMM8 contained in the instruction code from the low byte of the source register
RS.L using binary subtraction and updates the condition code register accordingly.
Remark: There is no equivalent operation using triadic addressing. Comparing the values of two registers
can be performed by using the subtract instruction with R0 as destination register.
CCR Effects
Code and CPU Cycles
CMPL
Compare Immediate 8 bit Constant
(Low Byte)
CMPL
NZ
V
C
∆∆∆∆
N:
Set if bit 7 of the result is set; cleared otherwise.
Z:
Set if the 8 bit result is $00; cleared otherwise.
V:
Set if a two´s complement overflow resulted from the 8 bit operation; cleared otherwise.
RS[7] & IMM8[7] & result[7] | RS[7] & IMM8[7] & result[7]
C:
Set if there is a carry from the Bit 7 to Bit 8 of the result; cleared otherwise.
RS[7] & IMM8[7] | RS[7] & result[7] | IMM8[7] & result[7]
Source Form
Address
Mode
Machine Code
Cycles
CMPL RS, #IMM8
IMM8
1
1
0
1
0
RS
IMM8
P



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