blitter test

[retrocrawl] / src / amiga / gfx.h

diff --git a/src/amiga/gfx.h b/src/amiga/gfx.h
index f3352fd..f2287c1 100644 (file)
--- a/src/amiga/gfx.h
+++ b/src/amiga/gfx.h
@@ -17,6 +17,12 @@
 
 #define wait_vblank() wait_vpos(300)
 
+#define wait_blit() \
+       asm volatile ( \
+               "tst 0xdff002\n\t" \
+               "0: btst #6, 0xdff002\n\t" \
+               "bne 0b\n\t")
+
 unsigned char framebuf[BPLSZ * NBPL];
 unsigned char *bplptr[NBPL];