Epson CMOS 32-Bit Single Chip Microcomputer S1C33L03 Manuel d'utilisateur Page 137

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 181
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 136
7 DETAILS OF INSTRUCTIONS
S1C33 FAMILY C33 PE CORE MANUAL
EPSON
129
mlt.w %rd, %rs
Function
Signed 32-bit × 32-bit multiplication
Standard) {ahr, alr}
rd × rs
Extension 1) Unusable
Extension 2) Unusable
Code
15 12 11 8 7 4 3 0
1 0 1 0 1 0 1 0
r s r d
0xAA__
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
Flag
IE C V Z N
|
|
|
|
Mode
Src: Register direct %rs = %r0 to %r15
Dst: Register direct
%rd = %r0 to %r15
CLK
Seven cycles
Description
The content of the rd register and the content of the rs register are multiplied together with the
signs, and the 64-bit product resulting from the operation is loaded into the AHR and ALR register
pair.
Example
mlt.w %r0,%r1 ; {ahr,alr} r0 × r1 signed multiplication
Vue de la page 136
1 2 ... 132 133 134 135 136 137 138 139 140 141 142 ... 180 181

Commentaires sur ces manuels

Pas de commentaire