From: Joshua Wise <joshua@rebirth.joshuawise.com>
Date: Sat, 29 Mar 2008 08:15:58 +0000 (-0400)
Subject: Make it synthesizable.
X-Git-Url: http://git.joshuawise.com/fpgaboy.git/commitdiff_plain/241c995cb7db3feeeb57d11625dc8fd34c166d82?ds=sidebyside

Make it synthesizable.
---

diff --git a/FPGABoy.ise b/FPGABoy.ise
index 7770eb0..b522e2c 100644
Binary files a/FPGABoy.ise and b/FPGABoy.ise differ
diff --git a/GBZ80Core.v b/GBZ80Core.v
index cb80cb8..968cd26 100644
--- a/GBZ80Core.v
+++ b/GBZ80Core.v
@@ -70,18 +70,18 @@ module GBZ80Core(
 	assign busdata = buswr ? buswdata : 8'bzzzzzzzz;
 	
 	initial begin
-		registers[ 0] = 0;
-		registers[ 1] = 0;
-		registers[ 2] = 0;
-		registers[ 3] = 0;
-		registers[ 4] = 0;
-		registers[ 5] = 0;
-		registers[ 6] = 0;
-		registers[ 7] = 0;
-		registers[ 8] = 0;
-		registers[ 9] = 0;
-		registers[10] = 0;
-		registers[11] = 0;
+		registers[ 0] <= 0;
+		registers[ 1] <= 0;
+		registers[ 2] <= 0;
+		registers[ 3] <= 0;
+		registers[ 4] <= 0;
+		registers[ 5] <= 0;
+		registers[ 6] <= 0;
+		registers[ 7] <= 0;
+		registers[ 8] <= 0;
+		registers[ 9] <= 0;
+		registers[10] <= 0;
+		registers[11] <= 0;
 	end
 
 	always @(posedge clk)
@@ -364,12 +364,12 @@ module GBZ80Core(
 			`INSN_PUSH_reg: begin	/* PUSH is 16 cycles! */
 				case (cycle)
 				0: begin
-						{registers[`REG_SPH],registers[`REG_SPL]} =
+						{registers[`REG_SPH],registers[`REG_SPL]} <=
 							{registers[`REG_SPH],registers[`REG_SPL]} - 1;
 						cycle <= 1;
 					end
 				1:	begin
-						{registers[`REG_SPH],registers[`REG_SPL]} =
+						{registers[`REG_SPH],registers[`REG_SPL]} <=
 							{registers[`REG_SPH],registers[`REG_SPL]} - 1;
 						cycle <= 2;
 					end
@@ -381,7 +381,7 @@ module GBZ80Core(
 				case (cycle)
 				0:	begin
 						cycle <= 1;
-						{registers[`REG_SPH],registers[`REG_SPL]} =
+						{registers[`REG_SPH],registers[`REG_SPL]} <=
 							{registers[`REG_SPH],registers[`REG_SPL]} + 1;
 					end
 				1:	begin
@@ -391,7 +391,7 @@ module GBZ80Core(
 						`INSN_stack_DE:	registers[`REG_E] <= rdata;
 						`INSN_stack_HL:	registers[`REG_L] <= rdata;
 						endcase
-						{registers[`REG_SPH],registers[`REG_SPL]} =
+						{registers[`REG_SPH],registers[`REG_SPL]} <=
 							{registers[`REG_SPH],registers[`REG_SPL]} + 1;
 						cycle <= 2;
 					end