From: Toni Wilen <twilen@winuae.net>
Date: Wed, 16 Dec 2015 17:34:02 +0000 (+0200)
Subject: blit_firstline_cycles calculation fix.
X-Git-Tag: 3220~9
X-Git-Url: https://git.unchartedbackwaters.co.uk/w/?a=commitdiff_plain;h=4fa16a9915a4b852f15218e1450644a785f6537a;p=francis%2Fwinuae.git

blit_firstline_cycles calculation fix.
---

diff --git a/blitter.cpp b/blitter.cpp
index 12b604d3..15fd314e 100644
--- 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);