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mist-devel.mist-board/cores/plus_too/ps2_kbd.v
steve-chamberlin a6ac32dd49 [PLUS TOO] Arrow key and numeric keypad support.
2015-12-03 16:19:19 -08:00

800 lines
27 KiB
Verilog
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`timescale 1ns / 100ps
/*
* PS2 Keyboard to Mac interface module
*/
module ps2_kbd( input sysclk,
input reset,
inout ps2dat,
inout ps2clk,
input [7:0] data_out,
input strobe_out,
output [7:0] data_in,
output strobe_in
);
reg [8:0] keymac;
reg key_pending;
reg [21:0] pacetimer;
reg inquiry_active;
reg extended;
reg keybreak;
reg capslock;
reg haskey;
wire got_key;
wire got_break;
wire got_extend;
wire tick_short;
wire tick_long;
wire pop_key;
reg cmd_inquiry;
reg cmd_instant;
reg cmd_model;
reg cmd_test;
reg[1:0] state;
reg[1:0] next;
reg nreq;
reg[7:0] nbyte;
/* PS2 interface signals */
wire istrobe;
wire [7:0] ibyte;
reg oreq;
reg [7:0] obyte;
wire oack;
wire timeout;
wire [1:0] dbg_lowstate;
ps2 ps20(.sysclk(sysclk),
.reset(reset),
.ps2dat(ps2dat),
.ps2clk(ps2clk),
.istrobe(istrobe),
.ibyte(ibyte),
.oreq(oreq),
.obyte(obyte),
.oack(oack),
.timeout(timeout),
.dbg_state(dbg_lowstate));
/* --- PS2 side State machine ---
*
* - at state_init: wait for BAT reply
* * 0xaa -> send 0xed -> state_led1
* * bad reply -> send 0xff -> state_init
* * timeout -> send 0xff -> state_init
*
* - at state_led1: wait for ack, send LED state
* * 0xfa -> send 0xYY -> state_led2 YY=LED
* * bad reply -> send 0xff -> state_init
* * timeout -> send 0xff -> state_init
*
* - at state_led2: wait for ack, go wait data
* * 0xfa -> state_wait
* * bad reply -> send 0xff -> state_init
* * timeout -> send 0xff -> state_init
*
* - at state_wait: wait for data byte
* * capslock -> send 0xed -> state_led1
* * other -> state_wait
*
* Works fine with my logitech USB/PS2 keyboard, but fails
* miserably with an old HP PS2 keyboard (which also behaves
* oddly with minimig as an amiga). Will eventually investigate...
*/
localparam ps2k_state_init = 0;
localparam ps2k_state_led1 = 1;
localparam ps2k_state_led2 = 2;
localparam ps2k_state_wait = 3;
/* Unlike my other modules, here I'll play with a big fat
* combo logic. The outputs are:
* - oreq : triggers sending of a byte. Set based on either
* timeout or istrobe, and as such only set for a
* clock.
* - next : next state
* - obyte : next byte to send
*/
always@(timeout or state or istrobe or ibyte or capslock) begin
nreq = 0;
next = state;
nbyte = 8'hff;
if (istrobe || timeout)
case(state)
ps2k_state_init: begin
if (istrobe && ibyte == 8'haa) begin
nbyte = 8'hed;
nreq = 1;
next = ps2k_state_led1;
end else if (ibyte != 8'hfa)
nreq = 1;
end
ps2k_state_led1: begin
nreq = 1;
if (istrobe && ibyte == 8'hfa) begin
nbyte = { 5'b00000, capslock, 1'b1, 1'b0 };
next = ps2k_state_led2;
end else
next = ps2k_state_init;
end
ps2k_state_led2: begin
if (istrobe && ibyte == 8'hfa)
next = ps2k_state_wait;
else begin
nreq = 1;
next = ps2k_state_init;
end
end
ps2k_state_wait: begin
/* Update LEDs */
// if (istrobe && ibyte == 8'h58) begin
// nbyte = 8'hed;
// nreq = 1;
// next = ps2k_state_led1;
// end
end
endcase
end
/* State related latches. We latch oreq and obyte, we don't
* necessarily have to but that avoids back to back
* receive/send at the low level which can upset things
*/
always@(posedge sysclk or posedge reset)
if (reset)
state <= ps2k_state_wait; // ps2k_state_init
else
state <= next;
always@(posedge sysclk or posedge reset)
if (reset)
oreq <= 0;
else
oreq <= nreq;
always@(posedge sysclk or posedge reset)
if (reset)
obyte <= 0;
else
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 ignore_capslock = {extended,ibyte} == 9'h058 && capslock;
/* Latch key info from PS2, handle capslock state */
always@(posedge sysclk or posedge reset)
if (reset) begin
extended <= 0;
keybreak <= 0;
capslock <= 0;
end else if (got_key) begin
if (got_break)
keybreak <= 1;
else if (got_extend)
extended <= 1;
else begin
keybreak <= 0;
extended <= 0;
/* Capslock handling */
if (ibyte == 8'h58 && !keybreak)
capslock <= ~capslock;
end
end
/* --- Mac side --- */
/* Latch commands from Mac */
always@(posedge sysclk or posedge reset)
if (reset) begin
cmd_inquiry <= 0;
cmd_instant <= 0;
cmd_model <= 0;
cmd_test <= 0;
end else begin
if (strobe_out) begin
cmd_inquiry <= 0;
cmd_instant <= 0;
cmd_model <= 0;
cmd_test <= 0;
case(data_out)
8'h10: cmd_inquiry <= 1;
8'h14: cmd_instant <= 1;
8'h16: cmd_model <= 1;
8'h36: cmd_test <= 1;
endcase
end
end
/* Divide our clock to pace our responses to the Mac. tick_short ticks
* when we can respond to a command, and tick_long ticks when an inquiry
* command shall timeout
*/
always@(posedge sysclk or posedge reset)
if (reset)
pacetimer <= 0;
else begin
/* reset counter on command from Mac */
if (strobe_out)
pacetimer <= 0;
else if (!tick_long)
pacetimer <= pacetimer + 1;
end
assign tick_long = pacetimer == 22'h3fffff;
assign tick_short = pacetimer == 22'h000fff;
/* Delay inquiry responses to after tick_short */
always@(posedge sysclk or posedge reset)
if (reset)
inquiry_active <= 0;
else begin
if (strobe_out | strobe_in)
inquiry_active <= 0;
else if (tick_short)
inquiry_active <= cmd_inquiry;
end
/* Key answer to the mac XXX FIXME: keypad */
assign pop_key = (cmd_instant & tick_short) |
(inquiry_active & tick_long) |
(inquiry_active & key_pending);
/* Reply to Mac */
assign strobe_in = ((cmd_model | cmd_test) & tick_short) | pop_key;
/* Handle key_pending, and multi-byte keypad responses */
reg keypad_byte2;
always @(posedge sysclk or posedge reset)
if (reset) begin
key_pending <= 0;
keypad_byte2 <= 0;
end
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] & !keypad_byte2) ? 8'h79 : keymac[7:0]) :
8'h7b;
/* Keymap. XXX add option to assign ctrl/alt/windows to cmd/option
* differently
*/
always @(posedge sysclk)
if (got_key && !key_pending) begin
case({extended,ibyte}) // Scan Code Set 2
9'h000: keymac[8:0] <= 9'h07b;
9'h001: keymac[8:0] <= 9'h07b; //F9
9'h002: keymac[8:0] <= 9'h07b;
9'h003: keymac[8:0] <= 9'h07b; //F5
9'h004: keymac[8:0] <= 9'h07b; //F3
9'h005: keymac[8:0] <= 9'h07b; //F1
9'h006: keymac[8:0] <= 9'h07b; //F2
9'h007: keymac[8:0] <= 9'h07b; //F12 <OSD>
9'h008: keymac[8:0] <= 9'h07b;
9'h009: keymac[8:0] <= 9'h07b; //F10
9'h00a: keymac[8:0] <= 9'h07b; //F8
9'h00b: keymac[8:0] <= 9'h07b; //F6
9'h00c: keymac[8:0] <= 9'h07b; //F4
9'h00d: keymac[8:0] <= 9'h061; //TAB
9'h00e: keymac[8:0] <= 9'h065; //~ (`)
9'h00f: keymac[8:0] <= 9'h07b;
9'h010: keymac[8:0] <= 9'h07b;
9'h011: keymac[8:0] <= 9'h06f; //LEFT ALT (command)
9'h012: keymac[8:0] <= 9'h071; //LEFT SHIFT
9'h013: keymac[8:0] <= 9'h07b;
9'h014: keymac[8:0] <= 9'h07b; //CTRL (not mapped)
9'h015: keymac[8:0] <= 9'h019; //q
9'h016: keymac[8:0] <= 9'h025; //1
9'h017: keymac[8:0] <= 9'h07b;
9'h018: keymac[8:0] <= 9'h07b;
9'h019: keymac[8:0] <= 9'h07b;
9'h01a: keymac[8:0] <= 9'h00d; //z
9'h01b: keymac[8:0] <= 9'h003; //s
9'h01c: keymac[8:0] <= 9'h001; //a
9'h01d: keymac[8:0] <= 9'h01b; //w
9'h01e: keymac[8:0] <= 9'h027; //2
9'h01f: keymac[8:0] <= 9'h07b;
9'h020: keymac[8:0] <= 9'h07b;
9'h021: keymac[8:0] <= 9'h011; //c
9'h022: keymac[8:0] <= 9'h00f; //x
9'h023: keymac[8:0] <= 9'h005; //d
9'h024: keymac[8:0] <= 9'h01d; //e
9'h025: keymac[8:0] <= 9'h02b; //4
9'h026: keymac[8:0] <= 9'h029; //3
9'h027: keymac[8:0] <= 9'h07b;
9'h028: keymac[8:0] <= 9'h07b;
9'h029: keymac[8:0] <= 9'h063; //SPACE
9'h02a: keymac[8:0] <= 9'h013; //v
9'h02b: keymac[8:0] <= 9'h007; //f
9'h02c: keymac[8:0] <= 9'h023; //t
9'h02d: keymac[8:0] <= 9'h01f; //r
9'h02e: keymac[8:0] <= 9'h02f; //5
9'h02f: keymac[8:0] <= 9'h07b;
9'h030: keymac[8:0] <= 9'h07b;
9'h031: keymac[8:0] <= 9'h05b; //n
9'h032: keymac[8:0] <= 9'h017; //b
9'h033: keymac[8:0] <= 9'h009; //h
9'h034: keymac[8:0] <= 9'h00b; //g
9'h035: keymac[8:0] <= 9'h021; //y
9'h036: keymac[8:0] <= 9'h02d; //6
9'h037: keymac[8:0] <= 9'h07b;
9'h038: keymac[8:0] <= 9'h07b;
9'h039: keymac[8:0] <= 9'h07b;
9'h03a: keymac[8:0] <= 9'h05d; //m
9'h03b: keymac[8:0] <= 9'h04d; //j
9'h03c: keymac[8:0] <= 9'h041; //u
9'h03d: keymac[8:0] <= 9'h035; //7
9'h03e: keymac[8:0] <= 9'h039; //8
9'h03f: keymac[8:0] <= 9'h07b;
9'h040: keymac[8:0] <= 9'h07b;
9'h041: keymac[8:0] <= 9'h057; //<,
9'h042: keymac[8:0] <= 9'h051; //k
9'h043: keymac[8:0] <= 9'h045; //i
9'h044: keymac[8:0] <= 9'h03f; //o
9'h045: keymac[8:0] <= 9'h03b; //0
9'h046: keymac[8:0] <= 9'h033; //9
9'h047: keymac[8:0] <= 9'h07b;
9'h048: keymac[8:0] <= 9'h07b;
9'h049: keymac[8:0] <= 9'h05f; //>.
9'h04a: keymac[8:0] <= 9'h059; //FORWARD SLASH
9'h04b: keymac[8:0] <= 9'h04b; //l
9'h04c: keymac[8:0] <= 9'h053; //;
9'h04d: keymac[8:0] <= 9'h047; //p
9'h04e: keymac[8:0] <= 9'h037; //-
9'h04f: keymac[8:0] <= 9'h07b;
9'h050: keymac[8:0] <= 9'h07b;
9'h051: keymac[8:0] <= 9'h07b;
9'h052: keymac[8:0] <= 9'h04f; //'"
9'h053: keymac[8:0] <= 9'h07b;
9'h054: keymac[8:0] <= 9'h043; //[
9'h055: keymac[8:0] <= 9'h031; // =
9'h056: keymac[8:0] <= 9'h07b;
9'h057: keymac[8:0] <= 9'h07b;
9'h058: keymac[8:0] <= 9'h073; //CAPSLOCK
9'h059: keymac[8:0] <= 9'h071; //RIGHT SHIFT
9'h05a: keymac[8:0] <= 9'h049; //ENTER
9'h05b: keymac[8:0] <= 9'h03d; //]
9'h05c: keymac[8:0] <= 9'h07b;
9'h05d: keymac[8:0] <= 9'h055; //BACKSLASH
9'h05e: keymac[8:0] <= 9'h07b;
9'h05f: keymac[8:0] <= 9'h07b;
9'h060: keymac[8:0] <= 9'h07b;
9'h061: keymac[8:0] <= 9'h071; //international left shift cut out (German '<>' key), 0x56 Set#1 code
9'h062: keymac[8:0] <= 9'h07b;
9'h063: keymac[8:0] <= 9'h07b;
9'h064: keymac[8:0] <= 9'h07b;
9'h065: keymac[8:0] <= 9'h07b;
9'h066: keymac[8:0] <= 9'h067; //BACKSPACE
9'h067: keymac[8:0] <= 9'h07b;
9'h068: keymac[8:0] <= 9'h07b;
9'h069: keymac[8:0] <= 9'h127; //KP 1
9'h06a: keymac[8:0] <= 9'h07b;
9'h06b: keymac[8:0] <= 9'h12d; //KP 4
9'h06c: keymac[8:0] <= 9'h133; //KP 7
9'h06d: keymac[8:0] <= 9'h07b;
9'h06e: keymac[8:0] <= 9'h07b;
9'h06f: keymac[8:0] <= 9'h07b;
9'h070: keymac[8:0] <= 9'h125; //KP 0
9'h071: keymac[8:0] <= 9'h103; //KP .
9'h072: keymac[8:0] <= 9'h129; //KP 2
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'h07b; //ESCAPE
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'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'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;
9'h080: keymac[8:0] <= 9'h07b;
9'h081: keymac[8:0] <= 9'h07b;
9'h082: keymac[8:0] <= 9'h07b;
9'h083: keymac[8:0] <= 9'h07b; //F7
9'h084: keymac[8:0] <= 9'h07b;
9'h085: keymac[8:0] <= 9'h07b;
9'h086: keymac[8:0] <= 9'h07b;
9'h087: keymac[8:0] <= 9'h07b;
9'h088: keymac[8:0] <= 9'h07b;
9'h089: keymac[8:0] <= 9'h07b;
9'h08a: keymac[8:0] <= 9'h07b;
9'h08b: keymac[8:0] <= 9'h07b;
9'h08c: keymac[8:0] <= 9'h07b;
9'h08d: keymac[8:0] <= 9'h07b;
9'h08e: keymac[8:0] <= 9'h07b;
9'h08f: keymac[8:0] <= 9'h07b;
9'h090: keymac[8:0] <= 9'h07b;
9'h091: keymac[8:0] <= 9'h07b;
9'h092: keymac[8:0] <= 9'h07b;
9'h093: keymac[8:0] <= 9'h07b;
9'h094: keymac[8:0] <= 9'h07b;
9'h095: keymac[8:0] <= 9'h07b;
9'h096: keymac[8:0] <= 9'h07b;
9'h097: keymac[8:0] <= 9'h07b;
9'h098: keymac[8:0] <= 9'h07b;
9'h099: keymac[8:0] <= 9'h07b;
9'h09a: keymac[8:0] <= 9'h07b;
9'h09b: keymac[8:0] <= 9'h07b;
9'h09c: keymac[8:0] <= 9'h07b;
9'h09d: keymac[8:0] <= 9'h07b;
9'h09e: keymac[8:0] <= 9'h07b;
9'h09f: keymac[8:0] <= 9'h07b;
9'h0a0: keymac[8:0] <= 9'h07b;
9'h0a1: keymac[8:0] <= 9'h07b;
9'h0a2: keymac[8:0] <= 9'h07b;
9'h0a3: keymac[8:0] <= 9'h07b;
9'h0a4: keymac[8:0] <= 9'h07b;
9'h0a5: keymac[8:0] <= 9'h07b;
9'h0a6: keymac[8:0] <= 9'h07b;
9'h0a7: keymac[8:0] <= 9'h07b;
9'h0a8: keymac[8:0] <= 9'h07b;
9'h0a9: keymac[8:0] <= 9'h07b;
9'h0aa: keymac[8:0] <= 9'h07b;
9'h0ab: keymac[8:0] <= 9'h07b;
9'h0ac: keymac[8:0] <= 9'h07b;
9'h0ad: keymac[8:0] <= 9'h07b;
9'h0ae: keymac[8:0] <= 9'h07b;
9'h0af: keymac[8:0] <= 9'h07b;
9'h0b0: keymac[8:0] <= 9'h07b;
9'h0b1: keymac[8:0] <= 9'h07b;
9'h0b2: keymac[8:0] <= 9'h07b;
9'h0b3: keymac[8:0] <= 9'h07b;
9'h0b4: keymac[8:0] <= 9'h07b;
9'h0b5: keymac[8:0] <= 9'h07b;
9'h0b6: keymac[8:0] <= 9'h07b;
9'h0b7: keymac[8:0] <= 9'h07b;
9'h0b8: keymac[8:0] <= 9'h07b;
9'h0b9: keymac[8:0] <= 9'h07b;
9'h0ba: keymac[8:0] <= 9'h07b;
9'h0bb: keymac[8:0] <= 9'h07b;
9'h0bc: keymac[8:0] <= 9'h07b;
9'h0bd: keymac[8:0] <= 9'h07b;
9'h0be: keymac[8:0] <= 9'h07b;
9'h0bf: keymac[8:0] <= 9'h07b;
9'h0c0: keymac[8:0] <= 9'h07b;
9'h0c1: keymac[8:0] <= 9'h07b;
9'h0c2: keymac[8:0] <= 9'h07b;
9'h0c3: keymac[8:0] <= 9'h07b;
9'h0c4: keymac[8:0] <= 9'h07b;
9'h0c5: keymac[8:0] <= 9'h07b;
9'h0c6: keymac[8:0] <= 9'h07b;
9'h0c7: keymac[8:0] <= 9'h07b;
9'h0c8: keymac[8:0] <= 9'h07b;
9'h0c9: keymac[8:0] <= 9'h07b;
9'h0ca: keymac[8:0] <= 9'h07b;
9'h0cb: keymac[8:0] <= 9'h07b;
9'h0cc: keymac[8:0] <= 9'h07b;
9'h0cd: keymac[8:0] <= 9'h07b;
9'h0ce: keymac[8:0] <= 9'h07b;
9'h0cf: keymac[8:0] <= 9'h07b;
9'h0d0: keymac[8:0] <= 9'h07b;
9'h0d1: keymac[8:0] <= 9'h07b;
9'h0d2: keymac[8:0] <= 9'h07b;
9'h0d3: keymac[8:0] <= 9'h07b;
9'h0d4: keymac[8:0] <= 9'h07b;
9'h0d5: keymac[8:0] <= 9'h07b;
9'h0d6: keymac[8:0] <= 9'h07b;
9'h0d7: keymac[8:0] <= 9'h07b;
9'h0d8: keymac[8:0] <= 9'h07b;
9'h0d9: keymac[8:0] <= 9'h07b;
9'h0da: keymac[8:0] <= 9'h07b;
9'h0db: keymac[8:0] <= 9'h07b;
9'h0dc: keymac[8:0] <= 9'h07b;
9'h0dd: keymac[8:0] <= 9'h07b;
9'h0de: keymac[8:0] <= 9'h07b;
9'h0df: keymac[8:0] <= 9'h07b;
9'h0e0: keymac[8:0] <= 9'h07b; //ps2 extended key
9'h0e1: keymac[8:0] <= 9'h07b;
9'h0e2: keymac[8:0] <= 9'h07b;
9'h0e3: keymac[8:0] <= 9'h07b;
9'h0e4: keymac[8:0] <= 9'h07b;
9'h0e5: keymac[8:0] <= 9'h07b;
9'h0e6: keymac[8:0] <= 9'h07b;
9'h0e7: keymac[8:0] <= 9'h07b;
9'h0e8: keymac[8:0] <= 9'h07b;
9'h0e9: keymac[8:0] <= 9'h07b;
9'h0ea: keymac[8:0] <= 9'h07b;
9'h0eb: keymac[8:0] <= 9'h07b;
9'h0ec: keymac[8:0] <= 9'h07b;
9'h0ed: keymac[8:0] <= 9'h07b;
9'h0ee: keymac[8:0] <= 9'h07b;
9'h0ef: keymac[8:0] <= 9'h07b;
9'h0f0: keymac[8:0] <= 9'h07b; //ps2 release code
9'h0f1: keymac[8:0] <= 9'h07b;
9'h0f2: keymac[8:0] <= 9'h07b;
9'h0f3: keymac[8:0] <= 9'h07b;
9'h0f4: keymac[8:0] <= 9'h07b;
9'h0f5: keymac[8:0] <= 9'h07b;
9'h0f6: keymac[8:0] <= 9'h07b;
9'h0f7: keymac[8:0] <= 9'h07b;
9'h0f8: keymac[8:0] <= 9'h07b;
9'h0f9: keymac[8:0] <= 9'h07b;
9'h0fa: keymac[8:0] <= 9'h07b; //ps2 ack code
9'h0fb: keymac[8:0] <= 9'h07b;
9'h0fc: keymac[8:0] <= 9'h07b;
9'h0fd: keymac[8:0] <= 9'h07b;
9'h0fe: keymac[8:0] <= 9'h07b;
9'h0ff: keymac[8:0] <= 9'h07b;
9'h100: keymac[8:0] <= 9'h07b;
9'h101: keymac[8:0] <= 9'h07b;
9'h102: keymac[8:0] <= 9'h07b;
9'h103: keymac[8:0] <= 9'h07b;
9'h104: keymac[8:0] <= 9'h07b;
9'h105: keymac[8:0] <= 9'h07b;
9'h106: keymac[8:0] <= 9'h07b;
9'h107: keymac[8:0] <= 9'h07b;
9'h108: keymac[8:0] <= 9'h07b;
9'h109: keymac[8:0] <= 9'h07b;
9'h10a: keymac[8:0] <= 9'h07b;
9'h10b: keymac[8:0] <= 9'h07b;
9'h10c: keymac[8:0] <= 9'h07b;
9'h10d: keymac[8:0] <= 9'h07b;
9'h10e: keymac[8:0] <= 9'h07b;
9'h10f: keymac[8:0] <= 9'h07b;
9'h110: keymac[8:0] <= 9'h07b;
9'h111: keymac[8:0] <= 9'h06f; //RIGHT ALT (command)
9'h112: keymac[8:0] <= 9'h07b;
9'h113: keymac[8:0] <= 9'h07b;
9'h114: keymac[8:0] <= 9'h07b;
9'h115: keymac[8:0] <= 9'h07b;
9'h116: keymac[8:0] <= 9'h07b;
9'h117: keymac[8:0] <= 9'h07b;
9'h118: keymac[8:0] <= 9'h07b;
9'h119: keymac[8:0] <= 9'h07b;
9'h11a: keymac[8:0] <= 9'h07b;
9'h11b: keymac[8:0] <= 9'h07b;
9'h11c: keymac[8:0] <= 9'h07b;
9'h11d: keymac[8:0] <= 9'h07b;
9'h11e: keymac[8:0] <= 9'h07b;
9'h11f: keymac[8:0] <= 9'h075; //WINDOWS OR APPLICATION KEY (option)
9'h120: keymac[8:0] <= 9'h07b;
9'h121: keymac[8:0] <= 9'h07b;
9'h122: keymac[8:0] <= 9'h07b;
9'h123: keymac[8:0] <= 9'h07b;
9'h124: keymac[8:0] <= 9'h07b;
9'h125: keymac[8:0] <= 9'h07b;
9'h126: keymac[8:0] <= 9'h07b;
9'h127: keymac[8:0] <= 9'h07b;
9'h128: keymac[8:0] <= 9'h07b;
9'h129: keymac[8:0] <= 9'h07b;
9'h12a: keymac[8:0] <= 9'h07b;
9'h12b: keymac[8:0] <= 9'h07b;
9'h12c: keymac[8:0] <= 9'h07b;
9'h12d: keymac[8:0] <= 9'h07b;
9'h12e: keymac[8:0] <= 9'h07b;
9'h12f: keymac[8:0] <= 9'h07b;
9'h130: keymac[8:0] <= 9'h07b;
9'h131: keymac[8:0] <= 9'h07b;
9'h132: keymac[8:0] <= 9'h07b;
9'h133: keymac[8:0] <= 9'h07b;
9'h134: keymac[8:0] <= 9'h07b;
9'h135: keymac[8:0] <= 9'h07b;
9'h136: keymac[8:0] <= 9'h07b;
9'h137: keymac[8:0] <= 9'h07b;
9'h138: keymac[8:0] <= 9'h07b;
9'h139: keymac[8:0] <= 9'h07b;
9'h13a: keymac[8:0] <= 9'h07b;
9'h13b: keymac[8:0] <= 9'h07b;
9'h13c: keymac[8:0] <= 9'h07b;
9'h13d: keymac[8:0] <= 9'h07b;
9'h13e: keymac[8:0] <= 9'h07b;
9'h13f: keymac[8:0] <= 9'h07b;
9'h140: keymac[8:0] <= 9'h07b;
9'h141: keymac[8:0] <= 9'h07b;
9'h142: keymac[8:0] <= 9'h07b;
9'h143: keymac[8:0] <= 9'h07b;
9'h144: keymac[8:0] <= 9'h07b;
9'h145: keymac[8:0] <= 9'h07b;
9'h146: keymac[8:0] <= 9'h07b;
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'h11b; //KP /
9'h14b: keymac[8:0] <= 9'h07b;
9'h14c: keymac[8:0] <= 9'h07b;
9'h14d: keymac[8:0] <= 9'h07b;
9'h14e: keymac[8:0] <= 9'h07b;
9'h14f: keymac[8:0] <= 9'h07b;
9'h150: keymac[8:0] <= 9'h07b;
9'h151: keymac[8:0] <= 9'h07b;
9'h152: keymac[8:0] <= 9'h07b;
9'h153: keymac[8:0] <= 9'h07b;
9'h154: keymac[8:0] <= 9'h07b;
9'h155: keymac[8:0] <= 9'h07b;
9'h156: keymac[8:0] <= 9'h07b;
9'h157: keymac[8:0] <= 9'h07b;
9'h158: keymac[8:0] <= 9'h07b;
9'h159: keymac[8:0] <= 9'h07b;
9'h15a: keymac[8:0] <= 9'h119; //KP ENTER
9'h15b: keymac[8:0] <= 9'h07b;
9'h15c: keymac[8:0] <= 9'h07b;
9'h15d: keymac[8:0] <= 9'h07b;
9'h15e: keymac[8:0] <= 9'h07b;
9'h15f: keymac[8:0] <= 9'h07b;
9'h160: keymac[8:0] <= 9'h07b;
9'h161: keymac[8:0] <= 9'h07b;
9'h162: keymac[8:0] <= 9'h07b;
9'h163: keymac[8:0] <= 9'h07b;
9'h164: keymac[8:0] <= 9'h07b;
9'h165: keymac[8:0] <= 9'h07b;
9'h166: keymac[8:0] <= 9'h07b;
9'h167: keymac[8:0] <= 9'h07b;
9'h168: keymac[8:0] <= 9'h07b;
9'h169: keymac[8:0] <= 9'h07b; //END
9'h16a: keymac[8:0] <= 9'h07b;
9'h16b: keymac[8:0] <= 9'h10d; //ARROW LEFT
9'h16c: keymac[8:0] <= 9'h07b; //HOME
9'h16d: keymac[8:0] <= 9'h07b;
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 (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
9'h175: keymac[8:0] <= 9'h10b; //ARROW UP
9'h176: keymac[8:0] <= 9'h07b;
9'h177: keymac[8:0] <= 9'h07b;
9'h178: keymac[8:0] <= 9'h07b;
9'h179: keymac[8:0] <= 9'h07b;
9'h17a: keymac[8:0] <= 9'h07b; //PGDN <OSD>
9'h17b: keymac[8:0] <= 9'h07b;
9'h17c: keymac[8:0] <= 9'h07b; //PRTSCR <OSD>
9'h17d: keymac[8:0] <= 9'h07b; //PGUP <OSD>
9'h17e: keymac[8:0] <= 9'h07b; //ctrl+break
9'h17f: keymac[8:0] <= 9'h07b;
9'h180: keymac[8:0] <= 9'h07b;
9'h181: keymac[8:0] <= 9'h07b;
9'h182: keymac[8:0] <= 9'h07b;
9'h183: keymac[8:0] <= 9'h07b;
9'h184: keymac[8:0] <= 9'h07b;
9'h185: keymac[8:0] <= 9'h07b;
9'h186: keymac[8:0] <= 9'h07b;
9'h187: keymac[8:0] <= 9'h07b;
9'h188: keymac[8:0] <= 9'h07b;
9'h189: keymac[8:0] <= 9'h07b;
9'h18a: keymac[8:0] <= 9'h07b;
9'h18b: keymac[8:0] <= 9'h07b;
9'h18c: keymac[8:0] <= 9'h07b;
9'h18d: keymac[8:0] <= 9'h07b;
9'h18e: keymac[8:0] <= 9'h07b;
9'h18f: keymac[8:0] <= 9'h07b;
9'h190: keymac[8:0] <= 9'h07b;
9'h191: keymac[8:0] <= 9'h07b;
9'h192: keymac[8:0] <= 9'h07b;
9'h193: keymac[8:0] <= 9'h07b;
9'h194: keymac[8:0] <= 9'h07b;
9'h195: keymac[8:0] <= 9'h07b;
9'h196: keymac[8:0] <= 9'h07b;
9'h197: keymac[8:0] <= 9'h07b;
9'h198: keymac[8:0] <= 9'h07b;
9'h199: keymac[8:0] <= 9'h07b;
9'h19a: keymac[8:0] <= 9'h07b;
9'h19b: keymac[8:0] <= 9'h07b;
9'h19c: keymac[8:0] <= 9'h07b;
9'h19d: keymac[8:0] <= 9'h07b;
9'h19e: keymac[8:0] <= 9'h07b;
9'h19f: keymac[8:0] <= 9'h07b;
9'h1a0: keymac[8:0] <= 9'h07b;
9'h1a1: keymac[8:0] <= 9'h07b;
9'h1a2: keymac[8:0] <= 9'h07b;
9'h1a3: keymac[8:0] <= 9'h07b;
9'h1a4: keymac[8:0] <= 9'h07b;
9'h1a5: keymac[8:0] <= 9'h07b;
9'h1a6: keymac[8:0] <= 9'h07b;
9'h1a7: keymac[8:0] <= 9'h07b;
9'h1a8: keymac[8:0] <= 9'h07b;
9'h1a9: keymac[8:0] <= 9'h07b;
9'h1aa: keymac[8:0] <= 9'h07b;
9'h1ab: keymac[8:0] <= 9'h07b;
9'h1ac: keymac[8:0] <= 9'h07b;
9'h1ad: keymac[8:0] <= 9'h07b;
9'h1ae: keymac[8:0] <= 9'h07b;
9'h1af: keymac[8:0] <= 9'h07b;
9'h1b0: keymac[8:0] <= 9'h07b;
9'h1b1: keymac[8:0] <= 9'h07b;
9'h1b2: keymac[8:0] <= 9'h07b;
9'h1b3: keymac[8:0] <= 9'h07b;
9'h1b4: keymac[8:0] <= 9'h07b;
9'h1b5: keymac[8:0] <= 9'h07b;
9'h1b6: keymac[8:0] <= 9'h07b;
9'h1b7: keymac[8:0] <= 9'h07b;
9'h1b8: keymac[8:0] <= 9'h07b;
9'h1b9: keymac[8:0] <= 9'h07b;
9'h1ba: keymac[8:0] <= 9'h07b;
9'h1bb: keymac[8:0] <= 9'h07b;
9'h1bc: keymac[8:0] <= 9'h07b;
9'h1bd: keymac[8:0] <= 9'h07b;
9'h1be: keymac[8:0] <= 9'h07b;
9'h1bf: keymac[8:0] <= 9'h07b;
9'h1c0: keymac[8:0] <= 9'h07b;
9'h1c1: keymac[8:0] <= 9'h07b;
9'h1c2: keymac[8:0] <= 9'h07b;
9'h1c3: keymac[8:0] <= 9'h07b;
9'h1c4: keymac[8:0] <= 9'h07b;
9'h1c5: keymac[8:0] <= 9'h07b;
9'h1c6: keymac[8:0] <= 9'h07b;
9'h1c7: keymac[8:0] <= 9'h07b;
9'h1c8: keymac[8:0] <= 9'h07b;
9'h1c9: keymac[8:0] <= 9'h07b;
9'h1ca: keymac[8:0] <= 9'h07b;
9'h1cb: keymac[8:0] <= 9'h07b;
9'h1cc: keymac[8:0] <= 9'h07b;
9'h1cd: keymac[8:0] <= 9'h07b;
9'h1ce: keymac[8:0] <= 9'h07b;
9'h1cf: keymac[8:0] <= 9'h07b;
9'h1d0: keymac[8:0] <= 9'h07b;
9'h1d1: keymac[8:0] <= 9'h07b;
9'h1d2: keymac[8:0] <= 9'h07b;
9'h1d3: keymac[8:0] <= 9'h07b;
9'h1d4: keymac[8:0] <= 9'h07b;
9'h1d5: keymac[8:0] <= 9'h07b;
9'h1d6: keymac[8:0] <= 9'h07b;
9'h1d7: keymac[8:0] <= 9'h07b;
9'h1d8: keymac[8:0] <= 9'h07b;
9'h1d9: keymac[8:0] <= 9'h07b;
9'h1da: keymac[8:0] <= 9'h07b;
9'h1db: keymac[8:0] <= 9'h07b;
9'h1dc: keymac[8:0] <= 9'h07b;
9'h1dd: keymac[8:0] <= 9'h07b;
9'h1de: keymac[8:0] <= 9'h07b;
9'h1df: keymac[8:0] <= 9'h07b;
9'h1e0: keymac[8:0] <= 9'h07b; //ps2 extended key(duplicate, see $e0)
9'h1e1: keymac[8:0] <= 9'h07b;
9'h1e2: keymac[8:0] <= 9'h07b;
9'h1e3: keymac[8:0] <= 9'h07b;
9'h1e4: keymac[8:0] <= 9'h07b;
9'h1e5: keymac[8:0] <= 9'h07b;
9'h1e6: keymac[8:0] <= 9'h07b;
9'h1e7: keymac[8:0] <= 9'h07b;
9'h1e8: keymac[8:0] <= 9'h07b;
9'h1e9: keymac[8:0] <= 9'h07b;
9'h1ea: keymac[8:0] <= 9'h07b;
9'h1eb: keymac[8:0] <= 9'h07b;
9'h1ec: keymac[8:0] <= 9'h07b;
9'h1ed: keymac[8:0] <= 9'h07b;
9'h1ee: keymac[8:0] <= 9'h07b;
9'h1ef: keymac[8:0] <= 9'h07b;
9'h1f0: keymac[8:0] <= 9'h07b; //ps2 release code(duplicate, see $f0)
9'h1f1: keymac[8:0] <= 9'h07b;
9'h1f2: keymac[8:0] <= 9'h07b;
9'h1f3: keymac[8:0] <= 9'h07b;
9'h1f4: keymac[8:0] <= 9'h07b;
9'h1f5: keymac[8:0] <= 9'h07b;
9'h1f6: keymac[8:0] <= 9'h07b;
9'h1f7: keymac[8:0] <= 9'h07b;
9'h1f8: keymac[8:0] <= 9'h07b;
9'h1f9: keymac[8:0] <= 9'h07b;
9'h1fa: keymac[8:0] <= 9'h07b; //ps2 ack code(duplicate see $fa)
9'h1fb: keymac[8:0] <= 9'h07b;
9'h1fc: keymac[8:0] <= 9'h07b;
9'h1fd: keymac[8:0] <= 9'h07b;
9'h1fe: keymac[8:0] <= 9'h07b;
9'h1ff: keymac[8:0] <= 9'h07b;
endcase // case ({extended,ps2key[7:0]})
keymac[7] <= keybreak;
end
endmodule
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