Offset: $04C Access: write Chipset: OCS/ECS/AGA
Sets the upper word of the BLTB pointer.
Bitfields¶
Bits 4-0: Chip-RAM address bits 20-16.
Bits 15-5: Ignored.
The usable address range also depends on the fitted Agnus and chip RAM.
Offset: $04C Access: write Chipset: OCS/ECS/AGA
Sets the upper word of the BLTB pointer.
Bits 4-0: Chip-RAM address bits 20-16.
Bits 15-5: Ignored.
The usable address range also depends on the fitted Agnus and chip RAM.