Instruction Manual
Preliminary W79E8213/W79E8213R Data Sheet 
Publication Release Date: July 11, 2008 
- 42 -  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 
ADDC A, #data  34  2  2  8  12  1.5 
SUBB A, R0  98  1  1  4  12  3 
SUBB A, R1  99  1  1  4  12  3 
SUBB A, R2  9A  1  1  4  12  3 
SUBB A, R3  9B  1  1  4  12  3 
SUBB A, R4  9C  1  1  4  12  3 
SUBB A, R5  9D  1  1  4  12  3 
SUBB A, R6  9E  1  1  4  12  3 
SUBB A, R7  9F  1  1  4  12  3 
SUBB A, @R0  96  1  1  4  12  3 
SUBB A, @R1  97  1  1  4  12  3 
SUBB A, direct  95  2  2  8  12  1.5 
SUBB A, #data  94  2  2  8  12  1.5 
INC A  04 1 1 4 12 3 
INC R0  08 1 1 4 12 3 
INC R1  09 1 1 4 12 3 
INC R2  0A 1 1 4 12 3 
INC R3  0B 1 1 4 12 3 
INC R4  0C 1 1 4 12 3 
INC R5  0D 1 1 4 12 3 
INC R6  0E 1 1 4 12 3 
INC R7  0F 1 1 4 12 3 
INC @R0  06 1 1 4 12 3 
INC @R1  07 1 1 4 12 3 
INC direct  05 2 2 8 12 1.5 
INC DPTR  A3 1 2 8 24 3 
DEC A  14 1 1 4 12 3 
DEC R0  18 1 1 4 12 3 
DEC R1  19 1 1 4 12 3 
DEC R2  1A 1 1 4 12 3 
DEC R3  1B 1 1 4 12 3 
DEC R4  1C 1 1 4 12 3 
DEC R5  1D 1 1 4 12 3 
DEC R6  1E 1 1 4 12 3 










