blit_firstline_cycles calculation fix.

diff --git a/blitter.cpp b/blitter.cpp
index 12b604d3f6dd04cc77486bcad9fd76da14dc35f0..15fd314ed45b6c5f61dc39e58da1a6b76b5824d8 100644 (file)
--- a/blitter.cpp
+++ b/blitter.cpp
@@ -1506,7 +1506,7 @@ static void do_blitter2 (int hpos, int copper)
                cycles = blt_info.vblitsize;
        } else {
                cycles = blt_info.vblitsize * blt_info.hblitsize;
-               blit_firstline_cycles = blit_first_cycle + (blit_diag[0] * blt_info.hblitsize + cpu_cycles) * CYCLE_UNIT;
+               blit_firstline_cycles = blit_first_cycle + (blit_diag[0] * blt_info.hblitsize) * CYCLE_UNIT + cpu_cycles;
        }
 
        if (cleanstart) {
@@ -1683,7 +1683,7 @@ void maybe_blit (int hpos, int hack)
                goto end;
        }
 
-       if (hack == 1 && get_cycles() < blit_firstline_cycles)
+       if (hack == 1 && (int)get_cycles() - (int)blit_firstline_cycles < 0)
                goto end;
 
        blitter_handler (0);