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VDP2 User's Manual / Chapter 16 Quick Reference

Window position (W0, horizontal start point) List
WPSX0 F 9876543210
1800C0H □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W0SX9..0 Window position (for horizontal coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window position (W0, vertical start point) List
WPSY0 F 9876543210
1800C2H □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W0SY9..0 Window position (for vertical coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window position (W0, horizontal end point) List
WPEX0 F 9876543210
1800C4H □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W0EX9..0 Window position (for horizontal coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window position (W0, vertical end point) List
WPEY0 F 9876543210
1800C6H □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W0EY9..0 Window position (for vertical coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window position (W1, horizontal start point) List
WPSX1 F 9876543210
1800C8H □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W1SX9..0 Window position (for horizontal coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window position (W1, vertical start point) List
● Window position (W1, vertical start point)
WPSY1 F 9876543210
1800CAH □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W1SY9..0 Window position (for vertical coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window position (W1, horizontal end point) List
WPEX1 F 9876543210
1800CCH □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W1EX 9..0 Window position (for horizontal coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window position (W1, vertical end point) List
WPEY1 F 9876543210
1800CEH □□□□□□ ■■■■■■■■■■
         └┴┴┴┴┴┴┴┴┴── W1EY9..0 Window position (for vertical coordinates)
detail:
● Window position register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window control (NBG0, NBG1) List
WCTLA F DCBA987 543210
1800D0H ■ □ ■■■■■■■ □ ■■■■■■
         │││││││ │││││└── │ N0W0A W0 area ┐
         │││││││ ││││└─── │ N0W0E W0 enable │ (NBG0 or RBG1,)
         │││││││ │││└──── │ N0W1A W1 area │
         │││││││ ││└───── │ N0W1E W1 enable │
         │││││││ │└────── │ N0SWA SW area │
         │ │ │ │ │ │ │ │ └─────── N0SWE SW enable │
         │ │ │ │ │ │ │ └───────── N0LOG Window logic ┘
         │ │ │ │ │ │ │  
         │ │ │ │ │ │ └────────── N1W0A W0 area ┐
         │ │ │ │ │ └─────────── N1W0E W0 enable │ (NBG1)
         │ │ │ │ └──────────── N1W1A W1 area │
         │ │ │ └───────────── N1W1E W1 enabled │
         │ │ └────────────── N1SWA SW area │
         │ └─────────────── N1SWE SW enabled │
         └───────────────── N1LOG Window Logic ┘
detail:
● Window control register
connection:
● Window position register (for rectangular window)
● Line window table address register (in normal window)
● Sprite control register (in sprite window)
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window control (NBG2, NBG3) List
WCTLB F DCBA987 543210
1800D2H ■ □ ■■■■■■■ □ ■■■■■■
         │││││││ │││││└── │ N2W0A W0 area ┐
         │││││││ ││││└─── │ N2W0E W0 enable │ (NBG2)
         │││││││ │││└──── │ N2W1A W1 area │
         │││││││ ││└───── │ N2W1E W1 enable │
         │││││││ │└────── │ N2SWA SW area │
         │ │ │ │ │ │ │ │ └─────── N2SWE SW enabled │
         │ │ │ │ │ │ │ └───────── N2LOG Window logic ┘
         │ │ │ │ │ │ │  
         │ │ │ │ │ │ └────────── N3W0A W0 area ┐
         │ │ │ │ │ └─────────── N3W0E W0 enable │ (NBG3)
         │ │ │ │ └──────────── N3W1A W1 area │
         │ │ │ └───────────── N3W1E W1 enabled │
         │ │ └────────────── N3SWA SW area │
         │ └─────────────── N3SWE SW enabled │
         └───────────────── N3LOG Window Logic ┘
detail:
● Window control register
connection:
● Window position register (for rectangular window)
● Line window table address register (in normal window)
● Sprite control register (in sprite window)
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window control (RBG0, sprite) List
WCTLC F DCBA987 543210
1800D4H ■ □ ■■■■■■■ □ ■■■■■■
         │││││││ │││││└── │ R0W0A W0 area ┐
         │││││││ ││││└─── │ R0W0E W0 enable │ (RBG0)
         │││││││ │││└──── │ R0W1A W1 area │
         │││││││ ││└───── │ R0W1E W1 enable │
         │││││││ │└────── │ R0SWA SW area │
         │ │ │ │ │ │ │ │ └─────── R0SWE SW enabled │
         │ │ │ │ │ │ │ └───────── R0LOG Window logic ┘
         │ │ │ │ │ │ │  
         │ │ │ │ │ │ └────────── SPW0A W0 area ┐
         │ │ │ │ │ └─────────── SPW0E W0 enable │ (sprite)
         │ │ │ │ └──────────── SPW1A W1 area │
         │ │ │ └───────────── SPW1E W1 enabled │
         │ │ └────────────── SPSWA SW area │
         │ └─────────────── SPSWE SW enabled │
         └───────────────── SPLOG Window Logic ┘
detail:
● Window control register
connection:
● Window position register (for rectangular window)
● Line window table address register (in normal window)
● Sprite control register (in sprite window)
reference:
■ 8.1 Window area
■ 8.2 Window processing

Window control (rotating window, color calculation window) List
WCTLD F DCBA987 3210
1800D6H ■ □ ■■■■■■■ □□□ ■■■■
         │││││││ │││└── │ RPW0A W0 area ┐
         │││││││ ││└─── │ RPW0E W0 enable │ (rotation window)
         │││││││ │└──── │ RPW1A W1 area │
         │││││││ └───── │ RPW1E W1 enable │
         │ │ │ │ │ │ │ └───────── RPLOG window logic ┘
         │ │ │ │ │ │ │  
         │ │ │ │ │ │ └────────── CCW0A W0 area ┐
         │ │ │ │ │ └─────────── CCW0E W0 enable │ (color calculation window)
         │ │ │ │ └──────────── CCW1A W1 area │
         │ │ │ └───────────── CCW1E W1 enabled │
         │ │ └────────────── CCSWA SW area │
         │ └─────────────── CCSWE SW enabled │
         └───────────────── CCLOG Window Logic ┘
detail:
● Window control register
connection:
● Window position register (for rectangular window)
● Line window table address register (in normal window)
● Sprite control register (in sprite window)
reference:
■ 6.3 Rotation parameter control
■ 8.1 Window area
■ 8.2 Window processing
■ 12.1 Color calculation function

Line window table address (W0) List
LWTA0U F 210
1800D8H ■ □□□□□□□□□□□□ ■■■
         │ └┴┴── W0LWTA18..16 Line window table address / upper level └───────────────── W0LWE Line window enabled
detail:
● Line window table address register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Line window table address (W0) List
LWTA0L FEDCBA9876543210
1800DAH ■■■■■■■■■■■■■■■ □
         └┴┴┴┴┴┴┴┴┴┴┴┴┴┴─── W0LWTA15..1 Line window table address / lower level
detail:
● Line window table address register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Line window table address (W1) List
LWTA1U F 210
1800DCH ■ □□□□□□□□□□□□ ■■■
         │ └┴┴── W1LWTA18..16 Line window table address / upper level └───────────────── W1LWE line window enabled
detail:
● Line window table address register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

Line window table address (W1) List
LWTA1L FEDCBA9876543210
1800DEH ■■■■■■■■■■■■■■■ □
         └┴┴┴┴┴┴┴┴┴┴┴┴┴┴─── W1LWTA15..1 Line window table address / lower
detail:
● Line window table address register
connection:
● Window control register
reference:
■ 8.1 Window area
■ 8.2 Window processing

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HARDWARE ManualVDP2 User's Manual
Copyright SEGA ENTERPRISES, LTD., 1997