Parametrized PAL/NTSC build, added NTSC kernal

cores/c16/c16.v

@@ -30,7 +30,7 @@
 // Additional Comments: 
 //
 //////////////////////////////////////////////////////////////////////////////////
-module C16(
+module C16 #(parameter MODE_PAL = 1)(
 	input wire CLK28,
 	input wire RESET,
 	input wire WAIT,
@@ -150,7 +150,7 @@ ted mos8360(
 	
 // Kernal rom
 
-	kernal_rom kernal(
+	kernal_rom #(.MODE_PAL(MODE_PAL)) kernal(
 		.clk(CLK28),
 		.address_in(sreset?kernal_dl_addr:c16_addr[13:0]),
 		.data_out(kernal_data),

cores/c16/c16_mist.v

@@ -57,6 +57,7 @@ module c16_mist (
    output [5:0]  VGA_B
 );
 
+parameter MODE_PAL = 1'b1;
 // -------------------------------------------------------------------------
 // ------------------------------ user_io ----------------------------------
 // -------------------------------------------------------------------------
@@ -502,7 +503,7 @@ always @(negedge clk28) begin
 end
 
 // include the c16 itself
-C16 c16 (
+C16 #(.MODE_PAL(MODE_PAL)) c16 (
 	.CLK28   ( clk28 ),
 	.RESET   ( reset ),
 	.WAIT    ( c16_wait ),
@@ -553,8 +554,7 @@ C16 c16 (
 
 // the FPGATED uses two different clocks for NTSC and PAL mode.
 // Switching the clocks may crash the system. We might need to force a reset it.
-wire clk28 = c16_pal?clk28_pal:clk28_ntsc;
-//wire clk28 = clk28_pal;
+wire clk28 = MODE_PAL?clk28_pal:clk28_ntsc;
 wire pll_locked = pll_pal_locked && pll_ntsc_locked;
 
 // tv15hkz has quarter the pixel rate, so we need a 7mhz clock for the OSD

cores/c16/kernal_rom.v

@@ -29,8 +29,8 @@
 //		If you want to convert your own kernal image to compatible version use
 //		bin2hex.pl perl script to convert it to .hex format.
 //////////////////////////////////////////////////////////////////////////////////
-module kernal_rom(
-	 input wire clk,
+module kernal_rom #(parameter MODE_PAL=1) (
+    input wire clk,
     input wire [13:0] address_in,
     output wire [7:0] data_out,
     input wire [7:0] data_in,
@@ -50,10 +50,11 @@ initial begin
 //$readmemh("Diag264_PAL.hex",kernal);
 
 //$readmemh("Diag264_NTSC.hex",kernal);
+if (MODE_PAL)
+$readmemh("roms/kernal_PAL.hex",kernal);
+else 
+$readmemh("roms/kernal_NTSC.hex",kernal);
 
-$readmemh("kernal_PAL.hex",kernal);
-
-//$readmemh("kernal_NTSC.hex",kernal);
 
 //$readmemh("Jiffy_PAL.hex",kernal); 
 // Note that Jiffy DOS is not free so Jiffy_PAL.hex is not included with FPGATED source code