Generate VBlank interrupt

diff --git a/src/PPU/PPU.tosh b/src/PPU/PPU.tosh
index 44a2fa0..ca2cb1c 100644 (file)
--- a/src/PPU/PPU.tosh
+++ b/src/PPU/PPU.tosh
@@ -50,6 +50,10 @@ repeat 224
                set pen color to ((<not item X of evaluation line = -1> * 16000000 + <not item (X + 1) of evaluation line = -1> * 16000000 + <not item (X + 2) of evaluation line = -1> * 16000000 + <not item (X + 3) of evaluation line = -1> * 16000000) * 0.25)
                change x by 4
        end
+       set PPU vblank? to 1
+       if PPU generate NMI = 1 then
+               interrupt: vector "0xFFFA"
+       end
        change y by -1
 end
 pen up