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Instruction Classification
4-40
Table 4–31. Class 7 Instruction Encoding and Description
Bit 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 0
VCALL
vector8
1 1 1 1 1 1 1 0 1 vector8
Jcc 1 0 0 0 0 0 Not cc Rx pm
JMP *An 1 0 0 0 1 0 x An x
Ccc 1 0 0 0 0 1 Not cc x
CALL *An 1 0 0 0 1 1 x An x
cc
cc names
Description
cc
cc name Not cc name
0 0 0 0 0 Z NZ Conditional on ZF=1
0 0 0 0 1 S NS Conditional on SF=1
0 0 0 1 0 C NC Conditional on CF=1
0 0 0 1 1 B NB Conditional on ZF=0 and CF=0
0 0 1 0 0 A NA Conditional on ZF=0 and CF=1
0 0 1 0 1 G NG Conditional on SF=0 and ZF=0
0 0 1 1 0 E NE Conditional if ZF=1 and OF=0
0 0 1 1 1 O NO Conditional if OF=1
0 1 0 0 0 RC RNC Conditional on RCF=1
0 1 0 0 1 RA RNA Conditional on RZF=0 and RCF=1
0 1 0 1 0 RE RNE Conditional on RZF=1
0 1 0 1 1 REZI Conditional on value of Rx=0 (Not available on Calls)
0 1 1 0 0 RLZI Conditional on MSB of Rx=1. Not available on Calls.
0 1 1 0 1 L NL Conditional on ZF=0 and SF=1
0 1 1 1 0 Not assigned
0 1 1 1 1 Not assigned
1 0 0 0 0 TF1 NTF1 Conditional on TF1
1 0 0 0 1 TF2 NTF2 Conditional on TF2
1 0 0 1 0 TAG NTAG Conditional on TAG
1 0 0 1 1 IN1 NIN1 Conditional on IN1 status
1 0 1 0 0 IN2 NIN2 Conditional on IN2 status