SEGA SATURN DEVELOPER'S MANUAL

15.2 RAM usage: When using VDP2, define and set data in VRAM, color RAM, and registers.
●VRAM: The data defined in VRAM differs depending on the scroll screen used, screen format, screen size, and image processing function used. Each data is defined in VRAM according to the register setting, and the defined address is set in each address register. Table 15.1 shows the main registers related to the data defined in VRAM.

15.2 RAM usage