Logbase() returns the base address in memory of the LogicalScreen buffer.

3 (0x03)

All TOS versions.

	move.w	#$03,-(sp)
	trap	#14
	addq.l	#2,sp

Logbase() returns a pointer to the base address of the LogicalScreen.

The LogicalScreen is the memory area where the VDI does any drawing (See LogicalScreen for more details).

LogicalScreen, Physbase(), PhysicalScreen