Freescale Semiconductor HCS12X, Reference Manual

Page: 453 / 1326

Chapter 10 XGATE (S12XGATEV3)
MC9S12XE-Family Reference Manual , Rev. 1.19
Freescale Semiconductor 453
Operation
RD – $00:IMM8
⇒
RD
Subtracts an immediate 8 bit constant from the content of register RD using binary subtraction and stores
the result in the destination register RD.
CCR Effects
Code and CPU Cycles
SUBL
Subtract Immediate 8 bit Constant
(Low Byte)
SUBL
N Z V C
∆ ∆ ∆ ∆
N: Set if bit 15 of the result is set; cleared otherwise.
Z: Set if the result is $0000; cleared otherwise.
V: Set if a two´s complement overflow resulted from the 8 bit operation; cleared otherwise.
RD[15]
old
& RD[15]
new
C: Set if there is a carry from the bit 15 of the result; cleared otherwise.
RD[15]
old
& RD[15]
new
Source Form
Address
Mode
Machine Code Cycles
SUBL RD, #IMM8 IMM8 1 1 0 0 0 RD IMM8 P
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