Instruction Manual

Preliminary W79E8213/W79E8213R Data Sheet
Publication Release Date: July 11, 2008
- 46 - 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
MOV direct, R2 8A 2 2 8 12 1.5
MOV direct, R3 8B 2 2 8 12 1.5
MOV direct, R4 8C 2 2 8 12 1.5
MOV direct, R5 8D 2 2 8 12 1.5
MOV direct, R6 8E 2 2 8 12 1.5
MOV direct, R7 8F 2 2 8 12 1.5
MOV direct, @R0 86 2 2 8 12 1.5
MOV direct, @R1 87 2 2 8 12 1.5
MOV direct, direct 85 3 3 12 24 2
MOV direct, #data 75 3 3 12 24 2
MOV DPTR, #data 16 90 3 3 12 24 2
MOVC A, @A+DPTR 93 1 2 8 24 3
MOVC A, @A+PC 83 1 2 8 24 3
MOVX A, @R0 E2 1 2 - 9 8 - 36 24 3 - 0.66
MOVX A, @R1 E3 1 2 - 9 8 - 36 24 3 - 0.66
MOVX A, @DPTR E0 1 2 - 9 8 - 36 24 3 - 0.66
MOVX @R0, A F2 1 2 - 9 8 - 36 24 3 - 0.66
MOVX @R1, A F3 1 2 - 9 8 - 36 24 3 - 0.66
MOVX @DPTR, A F0 1 2 - 9 8 - 36 24 3 - 0.66
PUSH direct C0 2 2 8 24 3
POP direct D0 2 2 8 24 3
XCH A, R0 C8 1 1 4 12 3
XCH A, R1 C9 1 1 4 12 3
XCH A, R2 CA 1 1 4 12 3
XCH A, R3 CB 1 1 4 12 3
XCH A, R4 CC 1 1 4 12 3
XCH A, R5 CD 1 1 4 12 3
XCH A, R6 CE 1 1 4 12 3
XCH A, R7 CF 1 1 4 12 3
XCH A, @R0 C6 1 1 4 12 3
XCH A, @R1 C7 1 1 4 12 3
XCHD A, @R0 D6 1 1 4 12 3
XCHD A, @R1 D7 1 1 4 12 3
XCH A, direct C5 2 2 8 12 1.5