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Code Issues Releases Wiki Activity

[PLUS TOO] Fixed CAPSLOCK and ESCAPE key handling

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This commit is contained in:
steve-chamberlin
2015-12-03 10:25:57 -08:00
parent acda979c99
commit b5e0ec98f2
1 changed files with 8 additions and 7 deletions
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15
cores/plus_too/ps2_kbd.v
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@@ -162,9 +162,10 @@ module ps2_kbd( input sysclk,
obyte <= nbyte;
assign got_key = (state == ps2k_state_wait) && istrobe;
assign got_break = { ibyte[7:1], 1'b0 } == 8'hf0;
assign got_extend = { ibyte[7:1], 1'b0 } == 8'he0;
assign got_break = { ibyte[7:1], 1'b0 } == 8'hf0;
assign got_extend = { ibyte[7:1], 1'b0 } == 8'he0;
assign ignore_capslock = {extended,ibyte} == 9'h058 && capslock;
/* Latch key info from PS2, handle capslock state */
always@(posedge sysclk or posedge reset)
if (reset) begin
@@ -185,7 +186,7 @@ module ps2_kbd( input sysclk,
capslock <= ~capslock;
end
end
/* --- Mac side --- */
/* Latch commands from Mac */
@@ -253,11 +254,11 @@ module ps2_kbd( input sysclk,
else begin
if (pop_key | cmd_model | cmd_test)
key_pending <= 0;
else if (!key_pending & got_key && !got_break && !got_extend)
else if (!key_pending & got_key && !got_break && !got_extend && !ignore_capslock)
key_pending <= 1;
end
/* Data to Mac ... XXX: Handle keypad and special case capslock */
/* Data to Mac ... XXX: Handle keypad */
assign data_in = cmd_test ? 8'h7d :
cmd_model ? 8'h03 :
(key_pending && !keymac[8]) ? keymac[7:0] : 8'h7b;
@@ -386,7 +387,7 @@ module ps2_kbd( input sysclk,
9'h073: keymac[8:0] <= 9'h12f; //KP 5
9'h074: keymac[8:0] <= 9'h131; //KP 6
9'h075: keymac[8:0] <= 9'h137; //KP 8
9'h076: keymac[8:0] <= 9'b000; //ESCAPE
9'h076: keymac[8:0] <= 9'h07b; //ESCAPE
9'h077: keymac[8:0] <= 9'h07b; //NUMLOCK
9'h078: keymac[8:0] <= 9'h07b; //F11 <OSD>
9'h079: keymac[8:0] <= 9'h07b; //KP +