This command highlights a specified menu button based upon its display mask. For more information, see usage of display mask, menu colors and palette.

The DVD specifications supports up to 36 menu buttons per display menu page. A button value of 0 indicates no highlight.
The button number to be highlighted can be one of the following:

1) the button number is in another GPRM register, or
2) a 6-bit constant value.

Set Highlight Menu Button
Highlight Button    GPRM0 GPRM1 GPRM2 GPRM3 GPRM4 GPRM5 GPRM6 GPRM7 GPRM8 GPRM9 GPRM10 GPRM11 GPRM12 GPRM13 GPRM14 GPRM15
DVD Command	Hex Encoding
SetHL_BTN button=GPRM0	46 00 00 00 00 00 00 00

This command can be combined with the Compare GPRM operations for conditional branching. When combining, this command is executed only if the result of the comparison is true.

1) Compare to another GPRM register and SetHL_BTN
2) Compare to another SPRM register and SetHL_BTN
3) SetHL_BTN and Link