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Work RAM: Difference between revisions
From SnesLab
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Even though WRAM has both [[Address Bus A]] and [[Address Bus B]] connected to it, the chip can only pay attention to one at a time, so WRAM-to-WRAM [[DMA]] isn't possible. | Even though WRAM has both [[Address Bus A]] and [[Address Bus B]] connected to it, the chip can only pay attention to one at a time, so WRAM-to-WRAM [[DMA]] isn't possible. | ||
WRAM is left intact by the [[Reset_Button]]. [2] | |||
[[File:wram schematic.png|thumb|The WRAM chip is straddling regions C1 and D1 in the jwdonal schematic]] | [[File:wram schematic.png|thumb|The WRAM chip is straddling regions C1 and D1 in the jwdonal schematic]] | ||
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=== References === | === References === | ||
* https://problemkaputt.de/fullsnes.htm#snesmemoryworkramaccess | * [1] https://problemkaputt.de/fullsnes.htm#snesmemoryworkramaccess | ||
* [2] https://problemkaputt.de/fullsnes.htm#snescontrollersotherinputs | |||
Revision as of 08:06, 20 May 2023
WRAM (Work RAM) serves as the SNES' main memory.
Even though WRAM has both Address Bus A and Address Bus B connected to it, the chip can only pay attention to one at a time, so WRAM-to-WRAM DMA isn't possible.
WRAM is left intact by the Reset_Button. [2]
