Commit 1646d00e authored by Christian Fibich's avatar Christian Fibich Committed by Stefan Tauner
Browse files

Yosys/HX8K Demo: Add FIJI "logo"

parent a6dbaee1
; FIJI::ConfigSorted 0.1
; Wed Sep 13 15:57:41 2017
; Sat Sep 16 17:07:22 2017
[CONSTS]
BAUDRATE=115200
......@@ -43,7 +43,7 @@ TRIG_EXT_IN_NAME=s_fiji_trig_ext_i
TX_OUT_NAME=s_fiji_tx_o
[FIU0]
DRIVER_PATH="tinyvga/_535_/Q"
DRIVER_PATH="tinyvga/_734_/Q"
DRIVER_TYPE=PIN
FAULT_MODEL=RUNTIME
LFSR_MASK=0x10
......@@ -51,7 +51,7 @@ NAME=
NET_NAME="tinyvga/green[3]"
[FIU1]
DRIVER_PATH="tinyvga/_531_/Q"
DRIVER_PATH="tinyvga/_730_/Q"
DRIVER_TYPE=PIN
FAULT_MODEL=RUNTIME
LFSR_MASK=0x20
......@@ -59,7 +59,7 @@ NAME=
NET_NAME="tinyvga/red[3]"
[FIU2]
DRIVER_PATH="tinyvga/_539_/Q"
DRIVER_PATH="tinyvga/_738_/Q"
DRIVER_TYPE=PIN
FAULT_MODEL=RUNTIME
LFSR_MASK=0x40
......@@ -67,7 +67,7 @@ NAME=
NET_NAME="tinyvga/blue[3]"
[FIU3]
DRIVER_PATH="tinyvga/_544_/Q"
DRIVER_PATH="tinyvga/_743_/Q"
DRIVER_TYPE=PIN
FAULT_MODEL=RUNTIME
LFSR_MASK=0x20
......@@ -75,7 +75,7 @@ NAME=
NET_NAME="tinyvga/memcol_off[4]"
[FIU4]
DRIVER_PATH="tinyvga/_549_/Q"
DRIVER_PATH="tinyvga/_748_/Q"
DRIVER_TYPE=PIN
FAULT_MODEL=RUNTIME
LFSR_MASK=0x40
......
This diff is collapsed.
......@@ -29,6 +29,10 @@ module tinyvga (input osc,
reg [7:0] frame_cnt;
wire [7:0] frame_cnt_next;
// Logo
reg [6:0] logocol;
reg [5:0] logoln;
////////////////////////////////////////////////////////////////////
pll pll_i(.clock_in(osc),.clock_out(clk36m),.locked(locked));
......@@ -59,11 +63,15 @@ module tinyvga (input osc,
memln <= 6'h0;
frame_cnt <= 8'b0;
led <= 8'b0;
logocol <= 8'b0;
logoln <= 7'b0;
end else begin
column <= column_next[9:0];
memcol <= column[7:1] + memcol_off;
memln <= line[6:1] + memln_off;
led <= frame_cnt;
column <= column_next[9:0];
memcol <= column[7:1] + memcol_off;
memln <= line[6:1] + memln_off;
led <= frame_cnt;
logocol <= column[9:2] - 8'd36;
logoln <= line[7:2] - 7'd43;
if (column == 823)
hsync <= 1'b1;
......@@ -111,22 +119,38 @@ module tinyvga (input osc,
reg [11:0] imem [8191:0];
reg [11:0] memline;
initial
$readmemh("color.mem",imem);
reg [1:0] logo[8191:0];
reg [1:0] logoline;
initial begin
$readmemh("color.mem",imem);
$readmemb("logo.mem",logo);
end
always @(posedge clk36m) begin
if (reset) begin
red <= 4'b0;
green <= 4'b0;
blue <= 4'b0;
memline <= 12'b0;
red <= 4'b0;
green <= 4'b0;
blue <= 4'b0;
memline <= 12'b0;
logoline <= 2'b0;
end else begin
memline = imem[{memln,memcol}];
logoline = logo[{logoln,logocol}];
if (blank) begin
red <= 4'b0;
green <= 4'b0;
blue <= 4'b0;
end else if (logoline > 2'b0 && line > 171 && line < 428 && column > 143 && column < 656) begin
if (logoline == 2'b01) begin
red <= {2'b0,memline[11:10]};
green <= {2'b0,memline[7:6]};
blue <= {2'b0,memline[3:2]};
end else begin
red <= {logoline[0],memln_off[4:2]};
green <= {logoline[0],memln_off[4:2]};
blue <= {logoline[0],memln_off[4:2]};
end
end else begin
red <= memline[11:8];
green <= memline[7:4];
......
../impl/original/logo.mem
\ No newline at end of file
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