LSIS XBE-DC08A, Руководство пользователя, Страница: 1217 / 1284

Appendix 3 Insturction List
App.3 - 7
Appendix 3.1.3 Bit Arrary Function
(1) Bit-shift Function
(2) Bit Operation Function
Appendix 3.1.4 Selection Function
Appendix 3.1.5 Data Exchange Function
No. Function name Description Remarks
1
SWAP_BYTE
Swaps upper NIBBLE for lower NIBBLE data of BYTE.
SWAP_WORD
Swaps upper BYTE for lower BYTE data of WORD.
SWAP_DWORD
Swaps upper WORD for lower WORD data DWORD.
SWAP_LWORD
Swaps upper DWORD for lower DWORD data of LWORD.
2
ARY_SWAP_BYTE
Swaps upper/lower NIBBLE of BYTE elements in array.
ARY_SWAP_WORD
Swaps upper/lower BYTE of WORD elements in array.
ARY_SWAP_DWORD
Swaps upper/lower WORD of DWORD elements in array.
ARY_SWAP_LWORD
Swaps upper/lower DWORD of LWORD elements in array.
No. Function name Description Remarks
1 SHL
Shift input to the left of N bit(the right is filled with 0)
2 SHR
Shift input to the right of N bit (the left is filled with 0)
3 SHIFT_C_***
Shift input to the designated direction as much as N bit (carry)
4 ROL
Rotate input to the left of N bit
5 ROR
Rotate input to the right of N bit
6 ROTATE_C_***
Rotate input to the direction as much as N bit (carry)
No. Function name Description (n can be extended up to 8) Remarks
1 AND
Logical AND (OUT <= IN1 AND IN2 AND ... AND INn)
2 OR
Logical OR (OUT <= IN1 OR IN2 OR ... OR INn)
3 XOR
Exclusive OR (OUT <= IN1 XOR IN2 XOR ... XOR INn)
4 NOT
Reverse logic (OUT <= NOT IN1)
5 XNR
Exclusive logic AND (OUT <= IN1 XNR IN2 XNR ... XNR INn)
No. Function name Description(n can be extended up to 8) Remarks
1 SEL Selects from two inputs (IN0 or IN1)
2 MAX
Produces the maximum value among input IN1,...INn
3 MIN Produces the minimum value among input IN1,...INn
4 LIMIT Limits upper and lower boundaries
5 MUX Outputs the K-th input among input IN1,…INn