Address Name Description
DFF08E DIWSTRT Display window start (upper left vertical-horizontal position)
DFF090 DIWSTOP Display window stop (lower right vertical-horizontal position)


These registers control the display window size and position,
by locating the upper left and lower right corners.

Bit 15 14 13 12 11 10 09 08 07 06 05 04 03 02 01 00
V7 V6 V5 V4 V3 V2 V1 V0 H9 H8 H7 H6 H5 H4 H3 H2

DIWSTRT is vertically restricted to the upper 2/3 of the display (V8=0),
and horizontally restricted to the left 3/4 of the display (H8=0).

See DIWHIGH for exceptions.

This material is most likely derived from the official Amiga documentation and where applicable copyright remains with the original author.