S912XEQ384J3MALR Freescale Semiconductor, S912XEQ384J3MALR Datasheet - Page 457

• Manufacturer Part Number: S912XEQ384J3MALR
• Description: S912XEQ Series 16 Bit 50 Mhz 384 KB Flash 24 KB Ram Microcontroller - LQFP-112
• Manufacturer: Freescale Semiconductor

TST
Operation
RS – 0 ⇒ NONE (translates to SUB R0, RS, R0)
Subtracts zero from the content of register RS using binary subtraction and discards the result.
CCR Effects
Code and CPU Cycles
Freescale Semiconductor
N:
Z:
V:
C:
TST RS
N
∆
Set if bit 15 of the result is set; cleared otherwise.
Set if the result is $0000; cleared otherwise.
Set if a two´s complement overflow resulted from the operation; cleared otherwise.
RS[15] & result[15]
Set if there is a carry from the bit 15 of the result; cleared otherwise.
RS1[15] & result[15]
Z
∆
V
∆
Source Form
C
∆
MC9S12XE-Family Reference Manual Rev. 1.24
Address
Mode
TRI
Test Register
0
0
0
1
1
0
Machine Code
0
0
RS1
Chapter 10 XGATE (S12XGATEV3)
0
0
0
0
TST
0
Cycles
P
457