Difference between revisions of "Layer 2 RAM Page Register"

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(added link how to switch to shadow)
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Bits 5-0 store the number of the "SRAM page" (ie, [[Memory map|bank]]) used for the standard Layer 2 screen. The default is 8. Because the layer 2 screen is 48k, it actually occupies 3 banks, and the number set here is the first; so by default, it occupies banks 8-10.
 
Bits 5-0 store the number of the "SRAM page" (ie, [[Memory map|bank]]) used for the standard Layer 2 screen. The default is 8. Because the layer 2 screen is 48k, it actually occupies 3 banks, and the number set here is the first; so by default, it occupies banks 8-10.
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For shadow bank paging see [[Layer_2]]

Revision as of 00:28, 6 November 2018

Number $12
Readable Yes
Writable Yes
Short Description Sets the bank number where Layer 2 video memory begins.


Bits 5-0 store the number of the "SRAM page" (ie, bank) used for the standard Layer 2 screen. The default is 8. Because the layer 2 screen is 48k, it actually occupies 3 banks, and the number set here is the first; so by default, it occupies banks 8-10.

For shadow bank paging see Layer_2