- added blitter completion interrupt

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git-svn-id: http://moon:8086/svn/vhdl/trunk@675 cc03376c-175c-47c8-b038-4cd826a8556b

lib/VGA_ctrl/src/vga_frontend64.vhd

@@ -233,7 +233,8 @@ proc_bufchg_irq:
 			elsif bufchg = '1' then
 				bufchg_flag	<= '1';
 			end if;
-			INT_O		<= bufchg_flag and bufchg_irq_en;
+			INT_O		<= (bufchg_flag and bufchg_irq_en)
+						or (blit_complete and blit_complete_inten);
 		end if;
 	end process;	
 
@@ -257,9 +258,7 @@ proc_blit_complete_flag:
 	process(CLK_I)
 	begin
 		if rising_edge(CLK_I) then
-			if RST_I = '1' then
-				blit_complete	<= '0';
-			elsif blit_complete_ack = '1' then
+			if pixel_cnt_rst = '1' or blit_request_set = '1' or blit_complete_ack = '1' then
 				blit_complete	<= '0';
 			elsif blit_dst_finish = '1' and blitfifo_empty = '1' then
 				blit_complete	<= '1';