GPU/External Registers
< GPU
Map
- 0x1EF00400 is the top screen
 - 0x1EF00500 is the bottom screen
 
Init Values from nngxInitialize for Top Screen
- 0x1EF00400 = 0x1C2
 - 0x1EF00404 = 0xD1
 - 0x1EF00408 = 0x1C1
 - 0x1EF0040C = 0x1C1
 - 0x1EF00410 = 0
 - 0x1EF00414 = 0xCF
 - 0x1EF00418 = 0xD1
 - 0x1EF0041C = 0x1C501C1
 - 0x1EF00420 = 0x10000
 - 0x1EF00424 = 0x19D
 - 0x1EF00428 = 2
 - 0x1EF0042C = 0x1C2
 - 0x1EF00430 = 0x1C2
 - 0x1EF00434 = 0x1C2
 - 0x1EF00438 = 1
 - 0x1EF0043C = 2
 - 0x1EF00440 = 0x1960192
 - 0x1EF00444 = 0
 - 0x1EF00448 = 0
 - 0x1EF0045C = 0x19000F0
 - 0x1EF00460 = 0x1c100d1
 - 0x1EF00464 = 0x1920002
 - 0x1EF00470 = 0x80340
 - 0x1EF0049C = 0
 
More Init Values from nngxInitialize for Top Screen
- 0x1EF00468 = 0x18300000, later changes to 0x181e6000, framebuffer
 - 0x1EF0046C = 0x18300000, later changes to 0x18273000, framebuffer
 - 0x1EF00494 = 0x18300000
 - 0x1EF00498 = 0x18300000
 - 0x1EF00478 = 1, doesn't stay 1, read as 0
 - 0x1EF00474 = 0x10501
 
Framebuffers
The GSP module DMAs framebuffers from the GSP module process memory in FCRAM into VRAM. The color format is BGR8. The framebuffers are drawn from left-to-right, instead of top-to-bottom.(Thus the beginning of the framebuffer is drawn starting at the left side of the screen)