Get the AddressRegister's value as an Addr

Sets an Addr to the AddressRegister's value

Increment the AddressRegister's value by the given Byte

Sets the high or lower byte of the AddressRegister's value, depending on the highPtr state

Set highPtr to True

Flags from the control register

7 bit 0 ---- ---- VPHB SINN |||| |||| |||| ||++- Base nametable address |||| || (0 = $2000; 1 = $2400; 2 = $2800; 3 = $2C00) |||| |+--- VRAM address increment per CPU read/write of PPUDATA |||| | (0: add 1, going across; 1: add 32, going down) |||| +---- Sprite pattern table address for 8x8 sprites |||| (0: $0000; 1: $1000; ignored in 8x16 mode) |||+------ Background pattern table address (0: $0000; 1: $1000) ||+------- Sprite size (0: 8x8 pixels; 1: 8x16 pixels) |+-------- PPU master/slave select | (0: read backdrop from EXT pins; 1: output color on EXT pins) +--------- Generate an NMI at the start of the vertical blanking interval (0: off; 1: on)

SRC: https://bugzmanov.github.io/nes_ebook/chapter_6_1.html