Texas Instruments TMS320C28x Reference Manual page 540

XOR ACC,#16bit << #0..16
SYNTAX OPTIONS
XOR ACC,#16bit << #0..15
XOR ACC,#16bit << #16
Operands ACC
#16bit
#0..16
Description
Flags and N
Modes
Z
Repeat
Example
; Calculate the 32-bit value: VarA = VarA XOR 0x08000000
MOVL
XOR
MOVL
Accumulator register
16-bit immediate constant value
Shift value (default is "<< #0" if no value specified)
Perform a bitwise XOR operation on the ACC register with the given 16-bit
unsigned constant value left shifted as specified. The value is zero extended
and lower order bits are zero filled before the XOR operation. The result is
stored in the ACC register:
ACC = ACC XOR (0:16bit << shift value);
The load to ACC is tested for a negative condition. If bit 31 of ACC is 1, then
the negative flag bit is set; otherwise it is cleared.
The load to ACC is tested for a zero condition. The zero flag bit is set if the
operation generates ACC = 0; otherwise it is cleared
This instruction is not repeatable. If this instruction follows the RPT in-
struction, it resets the repeat counter (RPTC) and executes only once.
ACC,@VarA
ACC,#0x8000 << 12
@VarA,ACC
OPCODE
0011 1110 0010 SHFT
CCCC CCCC CCCC CCCC
0101 0110 0100 1110
CCCC CCCC CCCC CCCC
; Load ACC with contents of VarA
; XOR ACC with 0x08000000
; Store result in VarA
XOR ACC,#16bit << #0..16
Bitwise Exclusive OR
OBJMODE RPT CYC
1 − 1
1 − 1
6-383