Kyra/Opcodes

This page is a work-in-progress document listing vm opcodes of the Kyrandia games. Unless otherwise noted, these opcodes are based on Kyrandia 1.

Opcodes

 44 = push
 45 = ? compare [sp], [xx] ?
 49 = ? copy [xx], [sp] ?
 4C = add sp,xx   ; what would be dec sp,xx? maybe 4B or 4E?
 4E = execute command (see below)

Commands

 01              3 arguments     ; output string std color? (unk, unk, stringid) (see also 34)
 0B              4               ; walk to coordinates (unk, x,x,y) Cmd_Walk_Player_To_Point ?
 0D              4               ; remove item from screen? (removes note from desk)
 0E              1               ; pick up item (ie mousecursor=item id)
 29              4               ; play WSA file? (or just load it? coords?)
 34              4               ; output string defined color? (color, unk, unk, stringid) (see also 01)
 35              0               ; restore text background?
 36              0               ; disable mouse cursor
 37              0               ; enable mouse cursor
 8B              2               ; set room name/status text (unk, stringID)
 91              0               ; copyprotection box pops up
 93              0               ; Brandon turns to stone anim?