| System variables

5C91: P-FLAG - More flags

Read by the routines at PO_ANY, PO_ATTR and PLOT, and updated by the routines at PO_RIGHT, PO_SCR, TEMPS, OUT_FLASH, CLASS_07, CLASS_09 and CO_TEMP_1. This system variable is accessed by some routines via the IY register at IY+$57.
Bit | Description
--- | ---
0 | OVER bit (temporary)
1 | OVER bit (permanent)
2 | INVERSE bit (temporary)
3 | INVERSE bit (permanent)
4 | INK 9 if set (temporary)
5 | INK 9 if set (permanent)
6 | PAPER 9 if set (temporary)
7 | PAPER 9 if set (permanent)
P_FLAG | 5C91 | DEFB $00 |