3-5
Data Movement Instructions
FUN
No.
Name Operand
Derivative
instruction
Function descriptions
8
MOV S,D DP Transfer the W or DW data specified at S to D
9
MOV/ S,D DP
Invert the W or DW data specified at S, and then transfers the result
to D
40 BITRD S,N DP
Read the status of the bits specified by N within S, and send it to
FO0
41 BITWR D,N DP Write the INB input status into the bits specified by N within D
42 BITMV S,Ns,D,Nd DP
Write the status of bit specified by N within S into the bit specified by
N within D
43 NBMV S,Ns,D,Nd DP Write the Ns nibble within S to the Nd nibble within D
44 BYMV S,Ns,D,Nd DP
Write the byte specified by Ns within S to the byte specified by Nd
within D
45 XCHG Da,Db DP Exchange the values of Da and Db
46 SWAP D P Swap the high-byte and low-byte of D
47 UNIT S,N,D P
Take the nibble 0 (NB0) of the successive N words starting from S
and combine the nibbles sequentially then store in D
48 DIST S,N,D P
De-compose the word into successive N nibbles starting from nibble
0 of S, and store them in the NB0 of the successive N words starting
from D
49 BUNIT S,N,D P Low byte of words re-unit
50 BDIST S,N,D P Words split into multi-byte
160 RW-FR Sa,Sb,Pr,L DP File register access
Shifting/Rotating Instructions
6
BSHF D DP Shift left or right 1 bit of D register
51 SHFL D,N DP
Shift left the D register N bits and move the last shifted out bits to
OTB. The empty bits will be replaced by INB input bit
52 SHFR D,N DP
Shift right the D register N bits and move the last shifted out bits to
OTB, The empty bits will be replaced by INB input bit
53 ROTL D,N DP
Rotate left the D operand N bits and move the last rotated out bits to
OTB
54 ROTR D,N DP
Rotate right the D operand N bits and move the last rotated out bits
to OTB
Code Conversion Instruction
20
→BCD
S,D DP Convert binary data of S into BCD data and store the result to D
21
→BIN
S,D DP Convert BCD data of S into binary data and store the result to D
55
B→G
S,D DP Binary to Gray code conversion
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