rename "vga" into "display"

apple-one.qsf

@@ -154,6 +154,7 @@ set_global_assignment -name PRE_FLOW_SCRIPT_FILE "quartus_sh:rtl/build_id.tcl"
 
 # end ENTITY(apple1_mist)
 # -----------------------
+set_global_assignment -name VERILOG_FILE rtl/display.v
 set_global_assignment -name VERILOG_FILE rtl/sdram.v
 set_global_assignment -name VERILOG_FILE "rtl/mist-modules/user_io.v"
 set_global_assignment -name VERILOG_FILE "rtl/mist-modules/sd_card.v"
@@ -179,7 +180,6 @@ set_global_assignment -name VERILOG_FILE rtl/rom_basic.v
 set_global_assignment -name VERILOG_FILE rtl/rom_wozmon.v
 set_global_assignment -name VERILOG_FILE rtl/vram.v
 set_global_assignment -name VERILOG_FILE rtl/ps2keyboard.v
-set_global_assignment -name VERILOG_FILE rtl/vga.v
 set_global_assignment -name VERILOG_FILE rtl/async_tx_rx.v
 set_global_assignment -name VERILOG_FILE rtl/font_rom.v
 set_global_assignment -name SYSTEMVERILOG_FILE rtl/video_mixer.sv

rtl/apple1.v

@@ -124,7 +124,7 @@ assign ram_wr   = we & ram_cs;
         .dout(ps2_dout)
     );
 
-    vga vga(
+    display display(
         .clk14(clk14),
         .enable(display_cs & cpu_clken),
         .rst(rst),

rtl/apple1_mist.sv

@@ -4,8 +4,8 @@
 //
 //
 
-// TODO make it work with SDRAM
 // TODO load binary files into memory
+// TODO make it work with SDRAM
 // TODO use 7 MHz clock in display
 // TODO isolate ps2 keyboard from apple1
 // TODO check ps2 clock
@@ -14,11 +14,11 @@
 // TODO reset and cls key from keyboard
 // TODO power on-off key ? (init ram)
 // TODO reset if pll not locked
-// TODO rename "vga" into "display"
 // TODO reorganize file structure
 // TODO integrate with mist-modules
 // TODO support ACI interface for load and save
 // TODO special expansion boards: TMS9918, SID
+// TODO ascii keyboard
 
 module apple1_mist(
    input         CLOCK_27,

rtl/display.v

@@ -1,4 +1,4 @@
-module vga (
+module display (
     input clk14,            // clock signal
     input enable,           // clock enable strobe,
     input rst,              // active high reset signal