Category:Mappers with scanline IRQs
Mappers in this category have the ability to schedule an IRQ an arbitrary and continuously-adjustable number of scanlines in the future. This is triggered in response to a rendering signal such as [[PPU pin out and signal description |PPU A12]].
Mappers with configurable cycle-based IRQs can simulate a scanline-counter by waiting an equivalent number of CPU cycles, but have less robust horizontal timing, since they will fire relative to their start time, rather than relative to a rendering signal. The VRC IRQ has a convenient mode for this.
Mappers with a fixed delay (even if clocked by PPU A12) should go in the fixed-timing category instead.
Subcategories
This category has only the following subcategory.
Pages in category "Mappers with scanline IRQs"
The following 106 pages are in this category, out of 106 total.
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- NES 2.0 Mapper 313
- NES 2.0 Mapper 315
- NES 2.0 Mapper 327
- NES 2.0 Mapper 333
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- NES 2.0 Mapper 366
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- NES 2.0 Mapper 383
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- NES 2.0 Mapper 395
- NES 2.0 Mapper 397
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- NES 2.0 Mapper 401
- NES 2.0 Mapper 410
- NES 2.0 Mapper 411
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- NES 2.0 Mapper 430
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- NES 2.0 Mapper 441
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- NES 2.0 Mapper 451
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- NES 2.0 Mapper 467
