B7B6B5B4_B3B2B1B0_80800000_0f //write to epiphany
C7C6C5C4_C3C2C1C0_80800008_0f //write to epiphany
D7D6D5D4_D3D2D1D0_80800010_0f //write to epiphany
E7E6E5E4_E3E2E1E0_80800018_0f //write to epiphany
F7F6F5F4_F3F2F1F0_80800020_0f //write to epiphany
810D0000_B3B2B1B0_80800000_0D //read
810D0008_C3C2C1C0_80800008_0D //read
810D0010_D3D2D1D0_80800010_0D //read
810D0018_E3E2E1E0_80800018_0D //read
810D0020_F3F2F1F0_80800020_0D //read