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Gray Bus: Difference between revisions
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Revision as of 03:21, 5 May 2023
The Gray Bus, as it appears in the colorized jwdonal schematic, consists of three signals: /VAWR, /VBWR, and /VRD. They are generated by S-PPU1 (pins 78, 79, and 80, respectively) and feed into the VRAM chips.