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VRAM: Difference between revisions

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(high and low bytes note)
(names of chips)
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One chip holds the low bytes of the 16-bit words, the other chip holds the high bytes.
One chip holds the low bytes of the 16-bit words, the other chip holds the high bytes.
The two chips can be referred to as "A" and "B", after the lines of the [[VRAM Data Bus]] VDA0~7 and VDB0~7.


[[File:vram chip.png|thumb|upper VRAM chip in region B2 of the jwdonal schematic]]
[[File:vram chip.png|thumb|upper VRAM chip in region B2 of the jwdonal schematic]]

Revision as of 21:20, 22 May 2023

There are two VRAM chips on the SNES motheboard, both connected to S-PPU1.

One chip holds the low bytes of the 16-bit words, the other chip holds the high bytes.

The two chips can be referred to as "A" and "B", after the lines of the VRAM Data Bus VDA0~7 and VDB0~7.

upper VRAM chip in region B2 of the jwdonal schematic