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Tile DMA Vblank Bandwidths: Difference between revisions
From SnesLab
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| PAL || 239 || 744.8 || 372.4 || 186.2 | | PAL || 239 || 744.8 || 372.4 || 186.2 | ||
|} | |} | ||
This table describes how many 16x16 tiles the [[5A22]] can [[DMA]] during [[vblank]]. | |||
{| class="wikitable" | |||
|- | |||
! Region !! # of scanlines (including overscan) !! 2bpp !! 4bpp !! 8bpp | |||
|+ | |||
| NTSC || 224 || 95.7 || 47.8 || 23.9 | |||
|+ | |||
| NTSC || 239 || 56.9 || 28.4 || 14.2 | |||
|+ | |||
| PAL || 224 || 225.0 || 112.5 || 56.2 | |||
|+ | |||
| PAL || 239 || 186.2 || 93.1 || 46.5 | |||
|} | |||
These are both at [[SlowROM]] speed. | |||
[[Category:SNES Hardware]] | [[Category:SNES Hardware]] | ||
[[Category:Video]] | [[Category:Video]] | ||
Latest revision as of 14:11, 28 June 2024
This table describes how many 8x8 tiles the 5A22 can DMA during vblank.
| Region | # of scanlines (including overscan) | 2bpp | 4bpp | 8bpp |
|---|---|---|---|---|
| NTSC | 224 | 382.7 | 191.4 | 95.7 |
| NTSC | 239 | 227.6 | 113.8 | 56.9 |
| PAL | 224 | 899.9 | 450.0 | 225.0 |
| PAL | 239 | 744.8 | 372.4 | 186.2 |
This table describes how many 16x16 tiles the 5A22 can DMA during vblank.
| Region | # of scanlines (including overscan) | 2bpp | 4bpp | 8bpp |
|---|---|---|---|---|
| NTSC | 224 | 95.7 | 47.8 | 23.9 |
| NTSC | 239 | 56.9 | 28.4 | 14.2 |
| PAL | 224 | 225.0 | 112.5 | 56.2 |
| PAL | 239 | 186.2 | 93.1 | 46.5 |
These are both at SlowROM speed.