User talk:Lidnariq/Mapper thoughts: Difference between revisions
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: You got it. —[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 23:41, 13 September 2016 (MDT) | : You got it. —[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 23:41, 13 September 2016 (MDT) | ||
:: All right. That means the last four tiles of each bank are occupied by attributes, yeah? Separately, "latch y and x in address: 1x YXYY YYyX XXXx" the "1x" could be a source of confusion. [occurs twice] [[User:Myask|Myask]] ([[User talk:Myask|talk]]) 00:38, 14 September 2016 (MDT) | :: All right. That means the last four tiles of each bank are occupied by attributes, yeah? Separately, "latch y and x in address: 1x YXYY YYyX XXXx" the "1x" could be a source of confusion. [occurs twice] [[User:Myask|Myask]] ([[User talk:Myask|talk]]) 00:38, 14 September 2016 (MDT) | ||
::: Well last four tiles of each 64-tile bank. Given CNROM-like banking, it's instead sixteen random tiles from the lower half. But lacking MMC3-style IRQs, I figure you can just put the sprites on the "left" pattern table, and having to work with "only" 240 tiles for sprites should be ok. —[[User:Lidnariq|Lidnariq]] ([[User talk:Lidnariq|talk]]) 01:30, 14 September 2016 (MDT) | |||
Revision as of 07:30, 14 September 2016
8x8 attributes
You have to also be able to write to the alt-attributes. Is the other-chip-halves banking to allow that you can write there "just normally" by PPUDATA?Myask (talk) 18:56, 13 September 2016 (MDT)
- You got it. —Lidnariq (talk) 23:41, 13 September 2016 (MDT)
- All right. That means the last four tiles of each bank are occupied by attributes, yeah? Separately, "latch y and x in address: 1x YXYY YYyX XXXx" the "1x" could be a source of confusion. [occurs twice] Myask (talk) 00:38, 14 September 2016 (MDT)
- Well last four tiles of each 64-tile bank. Given CNROM-like banking, it's instead sixteen random tiles from the lower half. But lacking MMC3-style IRQs, I figure you can just put the sprites on the "left" pattern table, and having to work with "only" 240 tiles for sprites should be ok. —Lidnariq (talk) 01:30, 14 September 2016 (MDT)
- All right. That means the last four tiles of each bank are occupied by attributes, yeah? Separately, "latch y and x in address: 1x YXYY YYyX XXXx" the "1x" could be a source of confusion. [occurs twice] Myask (talk) 00:38, 14 September 2016 (MDT)
