Nec Network Controller uPD98502 Manuel d'utilisateur Page 458

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 595
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 457
APPENDIX A MIPS III INSTRUCTION SET DETAILS
458
Preliminary Users Manual S15543EJ1V0UM
BLTZ
Branch On Less Than Zero
BLTZ
rs
REGIMM
0 0 0 0 0 1
BLTZ
0 0 0 0 0
offset
31 26 25 21 20 16 15 0
655 16
Format:
BLTZ rs, offset
Description:
A branch target address is computed from the sum of the address of the instruction in the delay slot and the 16-bit
offset
, shifted left two bits and sign-extended. If the contents of general register
rs
are smaller than zero, then the
program branches to the target address, with a delay of one instruction.
Operation:
32 T:
target (offset
15
)
14
|| offset || 0
2
condition
(
GPR
[
rs
]
31
= 1
)
T+1: if condition then
PC PC + target
endif
64 T:
target (offset15
)
46
|| offset || 0
2
condition
(
GPR
[
rs
]
63
= 1
)
T+1: if condition then
PC PC + target
endif
Exceptions:
None
Vue de la page 457
1 2 ... 453 454 455 456 457 458 459 460 461 462 463 ... 594 595

Commentaires sur ces manuels

Pas de commentaire