Instruction Manual
Preliminary W79E8213/W79E8213R Data Sheet 
Publication Release Date: July 11, 2008 
 - 43 -  Revision A2 
INSTRUCTION SET, continued 
Op-code HEX Code Bytes
W79E8213 
series 
Machine 
Cycle 
W79E8213 
series 
Clock 
cycles 
8032 
Clock 
cycles 
W79E8213 
series vs. 8032 
Speed Ratio 
DEC R7  1F 1 1 4 12 3 
DEC @R0  16 1 1 4 12 3 
DEC @R1  17 1 1 4 12 3 
DEC direct  15 2 2 8 12 1.5 
DEC DPTR  A5 1 2 8 24 3 
MUL AB  A4  1 5  20 48 2.4 
DIV AB  84  1 5  20 48 2.4 
DA A  D4 1 1 4 12 3 
ANL A, R0  58  1  1  4  12  3 
ANL A, R1  59  1  1  4  12  3 
ANL A, R2  5A  1  1  4  12  3 
ANL A, R3  5B  1  1  4  12  3 
ANL A, R4  5C  1  1  4  12  3 
ANL A, R5  5D  1  1  4  12  3 
ANL A, R6  5E  1  1  4  12  3 
ANL A, R7  5F  1  1  4  12  3 
ANL A, @R0  56  1  1  4  12  3 
ANL A, @R1  57  1  1  4  12  3 
ANL A, direct  55  2  2  8  12  1.5 
ANL A, #data  54  2  2  8  12  1.5 
ANL direct, A  52  2  2  8  12  1.5 
ANL direct, #data  53  3  3  12  24  2 
ORL A, R0  48  1  1  4  12  3 
ORL A, R1  49  1  1  4  12  3 
ORL A, R2  4A  1  1  4  12  3 
ORL A, R3  4B  1  1  4  12  3 
ORL A, R4  4C  1  1  4  12  3 
ORL A, R5  4D  1  1  4  12  3 
ORL A, R6  4E  1  1  4  12  3 
ORL A, R7  4F  1  1  4  12  3 
ORL A, @R0  46  1  1  4  12  3 
ORL A, @R1  47  1  1  4  12  3 
ORL A, direct  45  2  2  8  12  1.5 
ORL A, #data  44  2  2  8  12  1.5 










