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[PLUS TOO] Arrow key and numeric keypad support.

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This commit is contained in:
steve-chamberlin
2015-12-03 16:19:19 -08:00
parent b5e0ec98f2
commit a6ac32dd49
1 changed files with 27 additions and 15 deletions
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42
cores/plus_too/ps2_kbd.v
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@@ -247,21 +247,33 @@ module ps2_kbd( input sysclk,
/* Reply to Mac */
assign strobe_in = ((cmd_model | cmd_test) & tick_short) | pop_key;
/* Latch key_pending */
/* Handle key_pending, and multi-byte keypad responses */
reg keypad_byte2;
always @(posedge sysclk or posedge reset)
if (reset)
if (reset) begin
key_pending <= 0;
else begin
if (pop_key | cmd_model | cmd_test)
key_pending <= 0;
else if (!key_pending & got_key && !got_break && !got_extend && !ignore_capslock)
key_pending <= 1;
keypad_byte2 <= 0;
end
/* Data to Mac ... XXX: Handle keypad */
else begin
if (cmd_model | cmd_test)
key_pending <= 0;
else if (pop_key) begin
if (keymac[8] & !keypad_byte2)
keypad_byte2 <= 1;
else begin
key_pending <= 0;
keypad_byte2 <= 0;
end
end
else if (!key_pending & got_key && !got_break && !got_extend && !ignore_capslock)
key_pending <= 1;
end
/* Data to Mac */
assign data_in = cmd_test ? 8'h7d :
cmd_model ? 8'h03 :
(key_pending && !keymac[8]) ? keymac[7:0] : 8'h7b;
key_pending ? ((keymac[8] & !keypad_byte2) ? 8'h79 : keymac[7:0]) :
8'h7b;
/* Keymap. XXX add option to assign ctrl/alt/windows to cmd/option
* differently
@@ -388,12 +400,12 @@ module ps2_kbd( input sysclk,
9'h074: keymac[8:0] <= 9'h131; //KP 6
9'h075: keymac[8:0] <= 9'h137; //KP 8
9'h076: keymac[8:0] <= 9'h07b; //ESCAPE
9'h077: keymac[8:0] <= 9'h07b; //NUMLOCK
9'h077: keymac[8:0] <= 9'h07b; //NUMLOCK (Mac keypad clear?)
9'h078: keymac[8:0] <= 9'h07b; //F11 <OSD>
9'h079: keymac[8:0] <= 9'h07b; //KP +
9'h079: keymac[8:0] <= 9'h10d; //KP +
9'h07a: keymac[8:0] <= 9'h12b; //KP 3
9'h07b: keymac[8:0] <= 9'h11d; //KP -
9'h07c: keymac[8:0] <= 9'h07b; //KP *
9'h07c: keymac[8:0] <= 9'h105; //KP *
9'h07d: keymac[8:0] <= 9'h139; //KP 9
9'h07e: keymac[8:0] <= 9'h07b; //SCROLL LOCK / KP )
9'h07f: keymac[8:0] <= 9'h07b;
@@ -599,7 +611,7 @@ module ps2_kbd( input sysclk,
9'h147: keymac[8:0] <= 9'h07b;
9'h148: keymac[8:0] <= 9'h07b;
9'h149: keymac[8:0] <= 9'h07b;
9'h14a: keymac[8:0] <= 9'h07b; //KP /
9'h14a: keymac[8:0] <= 9'h11b; //KP /
9'h14b: keymac[8:0] <= 9'h07b;
9'h14c: keymac[8:0] <= 9'h07b;
9'h14d: keymac[8:0] <= 9'h07b;
@@ -638,7 +650,7 @@ module ps2_kbd( input sysclk,
9'h16e: keymac[8:0] <= 9'h07b;
9'h16f: keymac[8:0] <= 9'h07b;
9'h170: keymac[8:0] <= 9'h07b; //INSERT = HELP
9'h171: keymac[8:0] <= 9'h10f; //DELETE
9'h171: keymac[8:0] <= 9'h10f; //DELETE (KP clear?)
9'h172: keymac[8:0] <= 9'h111; //ARROW DOWN
9'h173: keymac[8:0] <= 9'h07b;
9'h174: keymac[8:0] <= 9'h105; //ARROW RIGHT