Vax 613 0S Manuel d'instructions Page 98

  • Télécharger
  • Ajouter à mon manuel
  • Imprimer
  • Page
    / 344
  • Table des matières
  • MARQUE LIVRES
  • Noté. / 5. Basé sur avis des utilisateurs
Vue de la page 97
6.4.10.3 Horizontal Setup Register
This register contains all of the timing parameters required for the Video State
machine horizontal control. These counters count in units of four pixels. The
minimum value for these horizontal timing fields is two (giving a minimum of 8
pixel clocks for any field).
Note
Value at initialization: 0
The register’s format and contents are:
0009 0814 1321 2028 2731
MR−0095−93RAGS
0000 BP SYNCH FP PIXELS
Bits Field Description
8:0 PIXELS Active video
13:9 BP Horizontal back porch
20:14 SYNCH Horizontal synchronization pulse
27:21 FP Horizontal front porch
31:28 Reserved
6.4.10.4 Vertical Timing Parameters Register
These registers determine video state machine vertical control. These counters
count in scan line units.
0022 2128 2731
MR−0096−93RAGS
0000 BP SYNCH FP SLs
11 101516
Note
Value at initialization: 0
Bits Field Description
10:0 SLs Number of active scan lines
15:11 BP Vertical back porch
21:16 SYNCH Vertical synchronization pulse
27:22 FP Vertical front porch
31:28 Reserved
6–18 CXTurbo Graphics Subsystem: 300/500 Models
Vue de la page 97
1 2 ... 93 94 95 96 97 98 99 100 101 102 103 ... 343 344

Commentaires sur ces manuels

Pas de commentaire