Merge pull request #453 from mrdudz/waitvsync

waitvblank for cbm targets
2017-07-18 15:38:27 +02:00
parent f5615c6ed4 b6d3d32e88
commit 6002e59c28
19 changed files with 142 additions and 26 deletions
--- a/libsrc/plus4/waitvsync.s
+++ b/libsrc/plus4/waitvsync.s
@@ -0,0 +1,17 @@
+;
+; Written by Groepaz <groepaz@gmx.net>
+;
+; void waitvsync (void);
+;
+
+        .export         _waitvsync
+
+        .include        "plus4.inc"
+
+_waitvsync:
+@l1:
+        lda     TED_VLINEHI
+        and     #$01
+        ora     TED_VLINELO
+        bne     @l1
+        rts