| System variables

5C8F: ATTR-T - Temporary current colours

Initialised by the routine at NEW, read by the routines at PO_ATTR, CLASS_07 and CO_TEMP_1, and updated by the routines at PO_SCR, TEMPS and OUT_FLASH. Holds the attribute byte that is used for printing to the main part of the display, which will be the same as ATTR-P unless temporary colours have been specified.
ATTR_T | 5C8F | DEFB $38 | FLASH 0: BRIGHT 0: PAPER 7: INK 0