Zilog Z8F0130 Manuel d'utilisateur Page 254

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 314
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 253
eZ8
CPU Core
User Manual
UM012820-0810 TCM Instruction
239
TCM
Definition
Test Complement Under Mask.
Syntax
TCM dst, src
Operation
(NOT dst) AND src
Description
This instruction tests selected bits in the destination operand for a logical
1 value. Specify the bits to be tested by setting a 1 bit in the corresponding
bit position in the source operand (the mask). The TCM instruction com
-
plements the destination operand and AND’s it with the source mask
(operand). Check the Zero flag to determine the result. If the Z flag is set,
the tested bits were 1. When a TCM operation is completed, the destina
-
tion and source operands retain their original values.
Flags
C Unaffected
Z Set if the result is zero; reset otherwise
S Set if Bit 7 of the result is set; reset otherwise
V Reset to 0
D Unaffected
H Unaffected
Vue de la page 253
1 2 ... 249 250 251 252 253 254 255 256 257 258 259 ... 313 314

Commentaires sur ces manuels

Pas de commentaire