X-Git-Url: http://git.joshuawise.com/fpgaboy.git/blobdiff_plain/a8f4468d0cd6910eba8031e21038d76857a2c107..9e1c03b633deae6254b6df312a48eba6047e266e:/Interrupt.v

diff --git a/Interrupt.v b/Interrupt.v
index 2686146..201c328 100644
--- a/Interrupt.v
+++ b/Interrupt.v
@@ -13,6 +13,7 @@ module Interrupt(
 	input serial,
 	input buttons,
 	output master,
+	input ack,
 	output [7:0] jaddr);
 
 	wire [7:0] iflag = {3'b0,buttons,serial,tovf,lcdc,vblank};
@@ -45,7 +46,14 @@ module Interrupt(
 			`ADDR_IE : begin imask <= data; ihold <= ihold | iflag; end
 			endcase
 			
-		end
+		end else if (ack)
+			ihold <= ihold &
+				(imasked[0] ? 8'b11111110 :
+				 imasked[1] ? 8'b11111101 :
+				 imasked[2] ? 8'b11111011 :
+				 imasked[3] ? 8'b11110111 :
+				 imasked[4] ? 8'b11101111 :
+				 8'b11111111);
 		else
 			ihold <= ihold | iflag;
 		rdlatch <= rd;