Annexe B - Ports D'entree/Sortie - Sega Mark III Manuel De Référence

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ANNEXE B – PORTS D'ENTREE/SORTIE
+-------+-------+-------+-------+-------+-------+-------+-------+
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___
$3E
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EXT
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+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
|P2 TRIG| P2 TH |P1 TRIG| P1 TH |P2 TRIG| P2 TH |P1 TRIG| P1 TH | REGS. DE DIRECTION DES DONNEES
$3F
|NIV.DE |NIV.DE |NIV.DE |NIV.DE |DIR.DES|DIR.DES|DIR.DES|DIR.DES| &NIVEAUX DE SORTIE DES DONNEES
|SORTIE |SORTIE |SORTIE |SORTIE |DONNEES|DONNEES|DONNEES|DONNEES| 1 = Entrée, 0 = Sortie
+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
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$7E
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V7
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+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
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$7F
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H7
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+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
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$7F
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-
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+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
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$BE
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-
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+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
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$BF
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-
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+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
|SOURCE | EXCES |COLLI- |
$BF
|D'INTER|
|RUPTION|SPRITES|SPRITES|
+-------+-------+-------+-------+-------+-------+-------+-------+
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|______________________|0: Interruption de ligne
+-------+-------+-------+-------+-------+-------+-------+-------+
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$DC
|P2 BAS |P2 HAUT|P1 BTN2|P1 BTN1|P1DROIT|P1GAUCH|P1 BAS |P1 HAUT| -+
|
+-------+-------+-------+-------+-------+-------+-------+-------+
+-------+-------+-------+-------+-------+-------+-------+-------+
| P2 TH | P1 TH |
$DD
|(L.Gun |(L.Gun |
| Synch)| Synch)|
+-------+-------+-------+-------+-------+-------+-------+-------+
Manuel de Référence Hardware de la Sega Mk3 (Rev1) Page 35
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| CART
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RAM
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V6
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V5
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V4
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H6
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H5
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H4
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-
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-
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-
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DE
|SION DE|
X
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|______ 1: Collision de 2 sprites.
|______________ 1: Trop de sprites sur une ligne. |___remis à zéro en
|1: Interruption verticale
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| (TRG) |
| _____ |
X
| RESET |P2 BTN2|P2 BTN1|P2DROIT|P2GAUCH| -+
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| _____ |
___
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| OSROM |
JOY
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X
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V3
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V2
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V1
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H3
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H2
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H1
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-
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-
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-
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-
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-
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-
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X
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X
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X
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| (TRG) |
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X
| ACTIVATION DE MEMOIRE
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V0
| --+
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Lecture:
+--- Position du Gun
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H0
| --+
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| Ecriture: Contrôle du
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-
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PSG (Générateur de
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sons programmable).
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| Lecture: Données du VDP
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-
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| Ecriture:Données du VDP
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-
| Ecriture:Commande du VDP
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X
| Lecture: Statut du VDP
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-+
Latché lors du Hblank,
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lisant $BF.
-+
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Lecture:
+---
Ports
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Joysticks
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