Add files via upload

2024-09-07 17:06:45 +02:00
parent 4e2a3bde92
commit 38f54875d0
1 changed files with 18 additions and 0 deletions
--- a/libsrc/atmos/waitvsync.s
+++ b/libsrc/atmos/waitvsync.s
@@ -0,0 +1,18 @@
+;
+; Written by Stefan Haubenthal <polluks@sdf.org>, requires VSync hack
+;
+; void waitvsync (void);
+;
+
+        .export _waitvsync
+
+        .include "atmos.inc"
+
+.proc   _waitvsync
+
+wait:   lda     VIA::PRA2
+        and     #%00010000      ; CB1
+        bne     wait
+        rts
+
+.endproc