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some more ps/2 code cleanup

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This commit is contained in:
Niels Moseley 2018-02-09 00:57:45 +01:00
parent 88bb7167f8
commit 7d36183103
1 changed files with 12 additions and 4 deletions
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16
rtl/ps2keyboard/ps2keyboard.v
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@ -51,8 +51,6 @@ module ps2keyboard (
reg shift; // state of the shift key reg shift; // state of the shift key
reg [2:0] cur_state; reg [2:0] cur_state;
reg [2:0] next_state; reg [2:0] next_state;
reg [15:0] debounce_timer;
debounce ps2clk_debounce debounce ps2clk_debounce
( (
@ -231,7 +229,12 @@ module ps2keyboard (
8'h41: ascii <= ","; 8'h41: ascii <= ",";
8'h49: ascii <= "."; 8'h49: ascii <= ".";
8'h4A: ascii <= "/"; 8'h4A: ascii <= "/";
default: ascii <= "."; default:
// unsupported key!
begin
ascii_rdy <= 1'b0; // shift is not a key!
ascii <= " ";
end
endcase endcase
else else
// Here, we're in a shifted state // Here, we're in a shifted state
@ -288,7 +291,12 @@ module ps2keyboard (
8'h41: ascii <= "<"; 8'h41: ascii <= "<";
8'h49: ascii <= ">"; 8'h49: ascii <= ">";
8'h4A: ascii <= "?"; 8'h4A: ascii <= "?";
default: ascii <= "."; default:
// unsupported key!
begin
ascii_rdy <= 1'b0; // shift is not a key!
ascii <= " ";
end
endcase endcase
end end
end end