Physbase() returns the base address in memory of the PhysicalScreen buffer.

2 (0x02)

Physbase() is available in all TOS versions.

	move.w	#$02,-(sp)
	trap	#14
	addq.l	#2,sp

Physbase() returns the base address of the PhysicalScreen.

The PhysicalScreen is the memory area where the video chip reads its data (See PhysicalScreen for more details).

PhysicalScreen, Logbase(), LogicalScreen