| N0W0A | 1800D0H | Bit 0 | Transparency processing For window NBG0 (or RBG1) |
| N1W0A | 1800D0H | Bit 8 | For NBG1 (or EXBG) |
| N2W0A | 1800D2H | Bit 0 | Transparency processing window for NBG2 |
| N3W0A | 1800D2H | Bit 8 | Transparency processing window for NBG3 |
| R0W0A | 1800D4H | Bit 0 | Transparency processing window for RBG0 |
| SPW0A | 1800D4H | Bit 8 | For transparency window sprites |
| RPW0A | 1800D6H | Bit 0 | For rotation parameter window |
| CCW0A | 1800D6H | Bit 8 | For color operation window |
| xxW0A | Process |
| 0 | Enable inside W0 window |
| 1 | Enable outside W0 window |
| N0W1A | 1800D0H | Bit 2 | NBG0 in transparency window (Or RBG1) |
| N1W1A | 1800D0H | Bit 10 | For NBG1 (or EXBG) |
| N2W1A | 1800D2H | Bit 2 | Transparency processing window for NBG2 |
| N3W1A | 1800D2H | Bit 10 | Transparency processing window for NBG3 |
| R0W1A | 1800D4H | Bit 2 | Transparency processing window for RBG0 |
| SPW1A | 1800D4H | Bit 10 | For transparent processing window sprites |
| RPW1A | 1800D6H | Bit 2 | For rotation parameter window |
| CCW1A | 1800D6H | Bit 10 | For color operation window |
| xxW1A | Process |
| 0 | Enable inside W1 window |
| 1 | Enable outside W1 window |