diff --git a/MacPlus.sv b/MacPlus.sv
index 08a6cb7..afcbfd4 100644
--- a/MacPlus.sv
+++ b/MacPlus.sv
@@ -213,6 +213,7 @@ localparam CONF_STR = {
 	"O78,Aspect ratio,Original,Full Screen,[ARC1],[ARC2];",
 	"OBC,Scale,Normal,V-Integer,Narrower HV-Integer,Wider HV-Integer;",
 	"-;",
+	"O9,Model,Plus,SE;",
 	"O5,Speed,8MHz,16MHz;",
 	"ODE,CPU,68000,68010,68020;",
 	"O4,Memory,1MB,4MB;",
@@ -240,6 +241,7 @@ pll pll
 
 reg       status_mem;
 reg [1:0] status_cpu;
+reg       status_mod;
 reg       n_reset = 0;
 always @(posedge clk_sys) begin
 	reg [15:0] rst_cnt;
@@ -254,6 +256,7 @@ always @(posedge clk_sys) begin
 			rst_cnt    <= rst_cnt - 1'd1;
 			status_mem <= status[4];
 			status_cpu <= status[14:13];
+			status_mod <= status[9];
 		end
 		else begin
 			n_reset <= 1;
@@ -277,7 +280,7 @@ wire           [15:0] sd_buff_dout;
 wire           [15:0] sd_buff_din[SCSI_DEVS];
 wire                  sd_buff_wr;
 wire  [SCSI_DEVS-1:0] img_mounted;
-wire           [31:0] img_size;
+wire           [63:0] img_size;
 
 wire        ioctl_write;
 reg         ioctl_wait = 0;
@@ -424,7 +427,7 @@ wire memoryLatch;
 
 // peripherals
 wire vid_alt, loadPixels, pixelOut, _hblank, _vblank, hsync, vsync;
-wire memoryOverlayOn, selectSCSI, selectSCC, selectIWM, selectVIA, selectRAM, selectROM;
+wire memoryOverlayOn, selectSCSI, selectSCC, selectIWM, selectVIA, selectRAM, selectROM, selectSEOverlay;
 wire [15:0] dataControllerDataOut;
 
 // audio
@@ -582,7 +585,7 @@ addrController_top ac0
 	._cpuRW(_cpuRW),
 	._cpuAS(_cpuAS),
 	.turbo(status_turbo),
-	.configROMSize(configROMSize), 
+	.configROMSize({status_mod,~status_mod}),
 	.configRAMSize(configRAMSize), 
 	.memoryAddr(memoryAddr),
 	.memoryLatch(memoryLatch),
@@ -600,6 +603,7 @@ addrController_top ac0
 	.selectVIA(selectVIA),
 	.selectRAM(selectRAM),
 	.selectROM(selectROM),
+	.selectSEOverlay(selectSEOverlay),
 	.hsync(hsync), 
 	.vsync(vsync),
 	._hblank(_hblank),
@@ -627,6 +631,7 @@ dataController_top #(SCSI_DEVS) dc0
 	.clk8_en_n(clk8_en_n),
 	.E_rising(E_rising),
 	.E_falling(E_falling),
+	.machineType(status_mod),
 	._systemReset(n_reset),
 	._cpuReset(_cpuReset), 
 	._cpuIPL(_cpuIPL),
@@ -643,6 +648,7 @@ dataController_top #(SCSI_DEVS) dc0
 	.selectSCC(selectSCC),
 	.selectIWM(selectIWM),
 	.selectVIA(selectVIA),
+	.selectSEOverlay(selectSEOverlay),
 	.cpuBusControl(cpuBusControl),
 	.videoBusControl(videoBusControl),
 	.memoryDataOut(memoryDataOut),
@@ -688,7 +694,7 @@ dataController_top #(SCSI_DEVS) dc0
 
 	// block device interface for scsi disk
 	.img_mounted(img_mounted),
-	.img_size(img_size),
+	.img_size(img_size[40:9]),
 	.io_lba(sd_lba),
 	.io_rd(sd_rd),
 	.io_wr(sd_wr),
@@ -771,10 +777,10 @@ always @(posedge clk_sys) begin
 	
 	if(ioctl_write) begin
 		dio_data <= {ioctl_data[7:0], ioctl_data[15:8]};
-		dio_a <= {dio_index[1:0], dio_addr[18:0]};
+		dio_a <= dio_index[1:0] ? {dio_index[1:0], dio_addr[18:0]} : {dio_index[6], dio_addr[17:0]};
 		ioctl_wait <= 1;
 	end
-	
+
 	old_cyc <= dioBusControl;
 	if(~dioBusControl) dio_write <= ioctl_wait;
 	if(old_cyc & ~dioBusControl & dio_write) ioctl_wait <= 0;
@@ -786,7 +792,7 @@ wire download_cycle = dio_download && dioBusControl;
 
 ////////////////////////// SDRAM /////////////////////////////////
 
-wire [24:0] sdram_addr = download_cycle ? { 4'b0001, dio_a[20:0] } : { 3'b000, ~_romOE, memoryAddr[21:1] };
+wire [24:0] sdram_addr = download_cycle ? { 4'b0001, dio_a[20:0] } : { 3'b000, ~_romOE, _romOE ? memoryAddr[21:19] : {2'b00,status_mod}, memoryAddr[18:1] };
 wire [15:0] sdram_din  = download_cycle ? dio_data              : memoryDataOut;
 wire  [1:0] sdram_ds   = download_cycle ? 2'b11                 : { !_memoryUDS, !_memoryLDS };
 wire        sdram_we   = download_cycle ? dio_write             : !_ramWE;
diff --git a/files.qip b/files.qip
index b748dee..885f1ed 100644
--- a/files.qip
+++ b/files.qip
@@ -6,6 +6,7 @@ set_global_assignment -name SYSTEMVERILOG_FILE rtl/ncr5380.sv
 set_global_assignment -name VERILOG_FILE rtl/floppy_track_encoder.v
 set_global_assignment -name VERILOG_FILE rtl/floppy.v
 set_global_assignment -name SYSTEMVERILOG_FILE rtl/ps2_kbd.sv
+set_global_assignment -name SYSTEMVERILOG_FILE rtl/adb.sv
 set_global_assignment -name VERILOG_FILE rtl/ps2_mouse.v
 set_global_assignment -name VERILOG_FILE rtl/scc.v
 set_global_assignment -name VERILOG_FILE rtl/uart/txuart.v
diff --git a/releases/boot.rom b/releases/boot0.rom
similarity index 100%
rename from releases/boot.rom
rename to releases/boot0.rom
diff --git a/releases/boot1.rom b/releases/boot1.rom
new file mode 100644
index 0000000..8a6ea33
Binary files /dev/null and b/releases/boot1.rom differ
diff --git a/rtl/adb.sv b/rtl/adb.sv
new file mode 100644
index 0000000..eace08c
--- /dev/null
+++ b/rtl/adb.sv
@@ -0,0 +1,875 @@
+/* ADB implementation for plus_too */
+
+module adb(
+	input            clk,
+	input            clk_en,
+	input            reset,
+	input      [1:0] st,
+	output           _int,
+	input            viaBusy,
+	output reg       listen,
+	input      [7:0] adb_din,
+	input            adb_din_strobe,
+	output reg [7:0] adb_dout,
+	output reg       adb_dout_strobe,
+	
+	output reg       capslock,
+
+	input     [24:0] ps2_mouse,
+	input     [10:0] ps2_key
+);
+
+localparam TALKINTERVAL = 17'd8000*4'd11; // 11 ms
+
+reg   [3:0] cmd_r;
+reg   [1:0] st_r;
+wire  [1:0] r_r = cmd_r[1:0];
+reg   [3:0] addr_r;
+reg   [3:0] respCnt;
+reg  [16:0] talkTimer;
+reg         idleActive;
+
+wire  [3:0] cmd = adb_din[3:0];
+wire  [3:0] addr = adb_din[7:4];
+
+reg         sendResponse;
+
+always @(posedge clk) begin
+	if (reset) begin
+		respCnt <= 0;
+		idleActive <= 0;
+		cmd_r <= 0;
+		listen <= 0;
+		sendResponse <= 0;
+	end else if (clk_en) begin
+		st_r <= st;
+		adb_dout_strobe <= 0;
+		sendResponse <= 0;
+
+		case (st)
+		2'b00: // new command
+		begin
+			if (st_r != 2'b00)
+				listen <= 1;
+
+			respCnt <= 0;
+			if (adb_din_strobe) begin
+				idleActive <= 1;
+				cmd_r <= cmd;
+				addr_r <= addr;
+				listen <= 0;
+
+				if (addr_r != addr || cmd_r != cmd)
+					talkTimer <= 0;
+				else
+					talkTimer <= TALKINTERVAL;
+
+			end
+		end
+
+		2'b01, 2'b10: // even byte, odd byte
+		begin
+			// Reset, flush, talk
+			if (!viaBusy && (cmd_r[3:1] == 0 || cmd_r[3:2] == 2'b11) && respCnt[0] == st[1]) begin
+				sendResponse <= 1;
+				respCnt <= respCnt + 1'd1;
+			end
+			if (sendResponse) begin
+				adb_dout <= adbReg;
+				adb_dout_strobe <= 1;
+			end
+			// Listen
+			if (st_r != st) listen <= cmd_r[3:2] == 2'b10;
+			if (cmd_r[3:2] == 2'b10 && respCnt[0] == st[1]) begin
+				if (adb_din_strobe) begin
+					listen <= 0;
+					respCnt <= respCnt + 1'd1;
+					// Listen : it's handled in the device specific part
+					// The Listen command is to write to registers, some use cases:
+					// - device ID and device handler writes
+					// - LED status for the keyboard
+				end
+			end
+		end
+
+		2'b11: // idle
+		begin
+			if (cmd_r[3:2] == 2'b11 && idleActive) begin
+				if (talkTimer != 0)
+					talkTimer <= talkTimer - 1'd1;
+				else begin
+					adb_dout <= 8'hFF;
+					adb_dout_strobe <= 1;
+					talkTimer <= TALKINTERVAL;
+					idleActive <= 0;
+				end
+			end
+		end
+		default: ;
+		endcase
+	end
+end
+
+// Device handlers
+wire  [3:0] addrKeyboard = kbdReg3[11:8];
+wire  [3:0] addrMouse = mouseReg3[11:8];
+
+wire   mouseInt = (addr_r != addrMouse && mouseValid == 2'b01);
+wire   keyboardInt = (addr_r != addrKeyboard && (keyboardValid == 1 || keyboardValid == 2));
+wire   irq = mouseInt | keyboardInt | !adbValid;
+wire   int_inhibit = respCnt < 3 && 
+                     ((addr_r == addrMouse && mouseValid == 2'b01) ||
+					  (addr_r == addrKeyboard && (keyboardValid == 1 || keyboardValid == 2)));
+assign _int = ~(irq && (st == 2'b01 || st == 2'b10)) | int_inhibit;
+
+// Mouse handler
+reg  [15:0] mouseReg3;
+reg   [6:0] X,Y;
+reg   [1:0] mouseValid;
+
+reg mstb;
+always @(posedge clk) if (clk_en) mstb <= ps2_mouse[24];
+
+wire       mouseStrobe = mstb ^ ps2_mouse[24];
+wire [8:0] mouseX = {ps2_mouse[4], ps2_mouse[15:8]};
+wire [8:0] mouseY = {ps2_mouse[5], ps2_mouse[23:16]};
+wire       button = ps2_mouse[0];
+
+always @(posedge clk) begin
+	if (reset || cmd_r == 0) begin
+		mouseReg3 <= 16'h6301; // device id: 3 device handler id: 1
+		X <= 0;
+		Y <= 0;
+		mouseValid <= 0;
+	end else if (clk_en) begin
+
+		if (mouseStrobe) begin
+			if (~mouseX[8] & |mouseX[7:6]) X <= 7'h3F;
+			else if (mouseX[8] & ~mouseX[6]) X <= 7'h40;
+			else X <= mouseX[6:0];
+
+			if (~mouseY[8] & |mouseY[7:6]) Y <= 7'h40;
+			else if (mouseY[8] & ~mouseY[6]) Y <= 7'h3F;
+			else Y <= -mouseY[6:0];
+
+			mouseValid <= 2'b01;
+		end
+
+		if (addr_r == addrMouse) begin
+
+			if (mouseValid == 2'b01 && respCnt == 3)
+				// mouse data sent
+				mouseValid <= 2'b10;
+
+			if ((mouseValid == 2'b10 && st == 2'b00) || cmd_r == 4'b0001) begin
+				// Flush mouse data after read or flush command
+				mouseValid <= 0;
+				X <= 0;
+				Y <= 0;
+			end
+		end
+
+	end
+end
+
+// Keyboard handler
+reg   [1:0] keyboardValid;
+reg  [15:0] kbdReg0;
+reg  [15:0] kbdReg2;
+reg  [15:0] kbdReg3;
+reg   [7:0] kbdFifo[8];
+reg   [2:0] kbdFifoRd, kbdFifoWr;
+
+always @(posedge clk) begin
+	if (reset || cmd_r == 0) begin
+		kbdReg0 <= 16'hFFFF;
+		kbdReg2 <= 16'hFFFF;
+		kbdReg3 <= 16'h6202; // device id: 2 device handler id: 2
+		keyboardValid <= 0;
+		kbdFifoRd <= 0;
+		kbdFifoWr <= 0;
+	end else if (clk_en) begin
+
+		if (keyStrobe && keyData[6:0] != 7'h7F) begin
+			// Store the keypress in the FIFO
+			kbdFifo[kbdFifoWr] <= keyData;
+			kbdFifoWr <= kbdFifoWr + 1'd1;
+		end
+
+		if (kbdFifoWr != kbdFifoRd && st == 2'b11 && keyboardValid < 2) begin
+			// Read the FIFO when no other key processing in progress
+			if (kbdReg0[6:0] == kbdFifo[kbdFifoRd][6:0])
+				kbdReg0[7:0] <= kbdFifo[kbdFifoRd];
+			else if (kbdReg0[14:8] == kbdFifo[kbdFifoRd][6:0])
+				kbdReg0[15:8] <= kbdFifo[kbdFifoRd];
+			else if (kbdReg0[7:0] == 8'hFF)
+				kbdReg0[7:0] <= kbdFifo[kbdFifoRd];
+			else
+				kbdReg0[15:8] <= kbdFifo[kbdFifoRd];
+
+			// kbdReg0 has a valid key
+			keyboardValid <= keyboardValid + 1'd1;
+			kbdFifoRd <= kbdFifoRd + 1'd1;
+		end
+
+		if (addr_r == addrKeyboard)	begin
+			if (cmd_r == 4'b1010 && adb_din_strobe && st[1]^st[0]) begin
+				// write into reg2 (keyboard LEDs)
+				if (respCnt == 1) kbdReg2[2:0] <= adb_din[2:0];
+			end
+
+			if (keyboardValid != 0 && respCnt == 2)
+				// Beginning of keyboard data read
+				keyboardValid <= 2'd3;
+
+			if ((keyboardValid == 3 && st == 2'b00) || cmd_r == 4'b0001) begin
+				// Flush keyboard data after read or flush command
+				keyboardValid <= 0;
+				kbdReg0 <= 16'hFFFF;
+				if (cmd_r == 4'b0001) begin
+					// Flush
+					kbdFifoRd <= 0;
+					kbdFifoWr <= 0;
+				end
+			end
+		end
+
+	end
+end
+
+// Register 0 in the Apple Standard Mouse
+// Bit   Meaning
+// 15    Button status; 0 = down
+// 14-8  Y move counts'
+// 7     Not used (always 1)
+// 6-0   X move counts
+
+// Register 0 in the Apple Standard Keyboard
+// Bit   Meaning
+// 15    Key status for first key; 0 = down
+// 14-8  Key code for first key; a 7-bit ASCII value
+// 7     Key status for second key; 0 = down
+// 6-0   Key code for second key; a 7-bit ASCII value
+
+// Register 2 in the Apple Extended Keyboard
+// Bit   Key
+// 15    None (reserved)
+// 14    Delete
+// 13    Caps Lock
+// 12    Reset
+// 11    Control
+// 10    Shift
+// 9     Option
+// 8     Command
+// 7     Num Lock/Clear
+// 6     Scroll Lock
+// 5-3   None (reserved)
+// 2     LED 3 (Scroll Lock) *
+// 1     LED 2 (Caps Lock) *
+// 0     LED 1 (Num Lock) *
+//
+// *Changeable via Listen Register 2
+
+// Register 3 (common for all devices):
+// Bit   Description
+// 15    Reserved; must be 0
+// 14    Exceptional event, device specific; always 1 if not used
+// 13    Service Request enable; 1 = enabled
+// 12    Reserved; must be 0
+// 11-8  Device address
+// 7-0   Device Handler ID
+
+reg  [7:0] adbReg;
+reg        adbValid;
+reg [15:0] talkReg;
+
+always @(*) begin
+	adbReg = 8'hFF;
+	adbValid = 0;
+	talkReg = 0;
+	if (addr_r == addrKeyboard) begin
+		if (cmd_r[3:1] == 0) begin
+			// reset
+			if (respCnt == 0) adbValid = 1;
+		end else begin
+			// talk
+			case (r_r)
+			2'b00: talkReg = kbdReg0;
+			2'b10: talkReg = kbdReg2;
+			2'b11: talkReg = kbdReg3;
+			default: ;
+			endcase
+
+			if (respCnt == 1) begin
+				adbReg = talkReg[15:8];
+				adbValid = 1;
+			end
+			if (respCnt == 2) begin
+				adbReg = talkReg[7:0];
+				adbValid = 1;
+			end
+		end
+	end else if (addr_r == addrMouse) begin
+		if (cmd_r[3:1] == 0) begin
+			// reset
+			if (respCnt == 0) adbValid = 1;
+		end else begin
+			// talk
+			case (r_r)
+			2'b00: talkReg = { ~button, Y, 1'b1, X };
+			2'b11: talkReg = mouseReg3;
+			default: ;
+			endcase
+			if (respCnt == 1) begin
+				adbReg = talkReg[15:8];
+				adbValid = 1;
+			end
+			if (respCnt == 2) begin
+				adbReg = talkReg[7:0];
+				adbValid = 1;
+			end
+		end
+	end
+end
+
+reg       keyStrobe;
+reg [7:0] keyData;
+wire      press = ps2_key[9];
+wire      capslock_key = (ps2_key[8:0] == 'h58);
+
+always @(posedge clk) begin
+	reg kstb;
+
+	if (clk_en) begin
+		kstb <= ps2_key[10];
+		if (kstb ^ ps2_key[10]) begin
+			case(ps2_key[8:0]) // Scan Code Set 2
+			  9'h000: keyData[6:0] <= 7'h7F;
+			  9'h001: keyData[6:0] <= 7'h65;	//F9
+			  9'h002: keyData[6:0] <= 7'h7F;
+			  9'h003: keyData[6:0] <= 7'h60;	//F5
+			  9'h004: keyData[6:0] <= 7'h63;	//F3
+			  9'h005: keyData[6:0] <= 7'h7A;	//F1
+			  9'h006: keyData[6:0] <= 7'h78;	//F2
+			  9'h007: keyData[6:0] <= 7'h7F;//7'h6F;	//F12 <OSD>
+			  9'h008: keyData[6:0] <= 7'h7F;
+			  9'h009: keyData[6:0] <= 7'h6D;	//F10
+			  9'h00a: keyData[6:0] <= 7'h64;	//F8
+			  9'h00b: keyData[6:0] <= 7'h61;	//F6
+			  9'h00c: keyData[6:0] <= 7'h76;	//F4
+			  9'h00d: keyData[6:0] <= 7'h30;	//TAB
+			  9'h00e: keyData[6:0] <= 7'h32;	//~ (`)
+			  9'h00f: keyData[6:0] <= 7'h7F;
+			  9'h010: keyData[6:0] <= 7'h7F;
+			  9'h011: keyData[6:0] <= 7'h37;	//LEFT ALT (command)
+			  9'h012: keyData[6:0] <= 7'h38;	//LEFT SHIFT
+			  9'h013: keyData[6:0] <= 7'h7F;
+			  9'h014: keyData[6:0] <= 7'h36;	//CTRL
+			  9'h015: keyData[6:0] <= 7'h0C;	//q
+			  9'h016: keyData[6:0] <= 7'h12;	//1
+			  9'h017: keyData[6:0] <= 7'h7F;
+			  9'h018: keyData[6:0] <= 7'h7F;
+			  9'h019: keyData[6:0] <= 7'h7F;
+			  9'h01a: keyData[6:0] <= 7'h06;	//z
+			  9'h01b: keyData[6:0] <= 7'h01;	//s
+			  9'h01c: keyData[6:0] <= 7'h00;	//a
+			  9'h01d: keyData[6:0] <= 7'h0D;	//w
+			  9'h01e: keyData[6:0] <= 7'h13;	//2
+			  9'h01f: keyData[6:0] <= 7'h7F;
+			  9'h020: keyData[6:0] <= 7'h7F;
+			  9'h021: keyData[6:0] <= 7'h08;	//c
+			  9'h022: keyData[6:0] <= 7'h07;	//x
+			  9'h023: keyData[6:0] <= 7'h02;	//d
+			  9'h024: keyData[6:0] <= 7'h0E;	//e
+			  9'h025: keyData[6:0] <= 7'h15;	//4
+			  9'h026: keyData[6:0] <= 7'h14;	//3
+			  9'h027: keyData[6:0] <= 7'h7F;
+			  9'h028: keyData[6:0] <= 7'h7F;
+			  9'h029: keyData[6:0] <= 7'h31;	//SPACE
+			  9'h02a: keyData[6:0] <= 7'h09;	//v
+			  9'h02b: keyData[6:0] <= 7'h03;	//f
+			  9'h02c: keyData[6:0] <= 7'h11;	//t
+			  9'h02d: keyData[6:0] <= 7'h0F;	//r
+			  9'h02e: keyData[6:0] <= 7'h17;	//5
+			  9'h02f: keyData[6:0] <= 7'h7F;
+			  9'h030: keyData[6:0] <= 7'h7F;
+			  9'h031: keyData[6:0] <= 7'h2D;	//n
+			  9'h032: keyData[6:0] <= 7'h0B;	//b
+			  9'h033: keyData[6:0] <= 7'h04;	//h
+			  9'h034: keyData[6:0] <= 7'h05;	//g
+			  9'h035: keyData[6:0] <= 7'h10;	//y
+			  9'h036: keyData[6:0] <= 7'h16;	//6
+			  9'h037: keyData[6:0] <= 7'h7F;
+			  9'h038: keyData[6:0] <= 7'h7F;
+			  9'h039: keyData[6:0] <= 7'h7F;
+			  9'h03a: keyData[6:0] <= 7'h2E;	//m
+			  9'h03b: keyData[6:0] <= 7'h26;	//j
+			  9'h03c: keyData[6:0] <= 7'h20;	//u
+			  9'h03d: keyData[6:0] <= 7'h1A;	//7
+			  9'h03e: keyData[6:0] <= 7'h1C;	//8
+			  9'h03f: keyData[6:0] <= 7'h7F;
+			  9'h040: keyData[6:0] <= 7'h7F;
+			  9'h041: keyData[6:0] <= 7'h2B;	//<,
+			  9'h042: keyData[6:0] <= 7'h28;	//k
+			  9'h043: keyData[6:0] <= 7'h22;	//i
+			  9'h044: keyData[6:0] <= 7'h1F;	//o
+			  9'h045: keyData[6:0] <= 7'h1D;	//0
+			  9'h046: keyData[6:0] <= 7'h19;	//9
+			  9'h047: keyData[6:0] <= 7'h7F;
+			  9'h048: keyData[6:0] <= 7'h7F;
+			  9'h049: keyData[6:0] <= 7'h2F;	//>.
+			  9'h04a: keyData[6:0] <= 7'h2C;	//FORWARD SLASH
+			  9'h04b: keyData[6:0] <= 7'h25;	//l
+			  9'h04c: keyData[6:0] <= 7'h29;	//;
+			  9'h04d: keyData[6:0] <= 7'h23;	//p
+			  9'h04e: keyData[6:0] <= 7'h1B;	//-
+			  9'h04f: keyData[6:0] <= 7'h7F;
+			  9'h050: keyData[6:0] <= 7'h7F;
+			  9'h051: keyData[6:0] <= 7'h7F;
+			  9'h052: keyData[6:0] <= 7'h27;	//'"
+			  9'h053: keyData[6:0] <= 7'h7F;
+			  9'h054: keyData[6:0] <= 7'h21;	//[
+			  9'h055: keyData[6:0] <= 7'h18;	// = 
+			  9'h056: keyData[6:0] <= 7'h7F;
+			  9'h057: keyData[6:0] <= 7'h7F;
+			  9'h058: keyData[6:0] <= 7'h39;	//CAPSLOCK
+			  9'h059: keyData[6:0] <= 7'h7B;	//RIGHT SHIFT
+			  9'h05a: keyData[6:0] <= 7'h24;	//ENTER
+			  9'h05b: keyData[6:0] <= 7'h1E;	//]
+			  9'h05c: keyData[6:0] <= 7'h7F;
+			  9'h05d: keyData[6:0] <= 7'h2A;	//BACKSLASH
+			  9'h05e: keyData[6:0] <= 7'h7F;
+			  9'h05f: keyData[6:0] <= 7'h7F;
+			  9'h060: keyData[6:0] <= 7'h7F;
+			  9'h061: keyData[6:0] <= 7'h7F;	//international left shift cut out (German '<>' key), 0x56 Set#1 code
+			  9'h062: keyData[6:0] <= 7'h7F;
+			  9'h063: keyData[6:0] <= 7'h7F;
+			  9'h064: keyData[6:0] <= 7'h7F;
+			  9'h065: keyData[6:0] <= 7'h7F;
+			  9'h066: keyData[6:0] <= 7'h33;	//BACKSPACE
+			  9'h067: keyData[6:0] <= 7'h7F;
+			  9'h068: keyData[6:0] <= 7'h7F;
+			  9'h069: keyData[6:0] <= 7'h53;	//KP 1
+			  9'h06a: keyData[6:0] <= 7'h7F;
+			  9'h06b: keyData[6:0] <= 7'h56;	//KP 4
+			  9'h06c: keyData[6:0] <= 7'h59;	//KP 7
+			  9'h06d: keyData[6:0] <= 7'h7F;
+			  9'h06e: keyData[6:0] <= 7'h7F;
+			  9'h06f: keyData[6:0] <= 7'h7F;
+			  9'h070: keyData[6:0] <= 7'h52;	//KP 0
+			  9'h071: keyData[6:0] <= 7'h41;	//KP .
+			  9'h072: keyData[6:0] <= 7'h54;	//KP 2
+			  9'h073: keyData[6:0] <= 7'h57;	//KP 5
+			  9'h074: keyData[6:0] <= 7'h58;	//KP 6
+			  9'h075: keyData[6:0] <= 7'h5B;	//KP 8
+			  9'h076: keyData[6:0] <= 7'h35;	//ESCAPE
+			  9'h077: keyData[6:0] <= 7'h47;	//NUMLOCK (Mac keypad clear?)
+			  9'h078: keyData[6:0] <= 7'h67;	//F11 <OSD>
+			  9'h079: keyData[6:0] <= 7'h45;	//KP +
+			  9'h07a: keyData[6:0] <= 7'h55;	//KP 3
+			  9'h07b: keyData[6:0] <= 7'h4E;	//KP -
+			  9'h07c: keyData[6:0] <= 7'h43;	//KP *
+			  9'h07d: keyData[6:0] <= 7'h5C;	//KP 9
+			  9'h07e: keyData[6:0] <= 7'h7F;	//SCROLL LOCK / KP )
+			  9'h07f: keyData[6:0] <= 7'h7F;
+			  9'h080: keyData[6:0] <= 7'h7F;
+			  9'h081: keyData[6:0] <= 7'h7F;
+			  9'h082: keyData[6:0] <= 7'h7F;
+			  9'h083: keyData[6:0] <= 7'h62;	//F7
+			  9'h084: keyData[6:0] <= 7'h7F;
+			  9'h085: keyData[6:0] <= 7'h7F;
+			  9'h086: keyData[6:0] <= 7'h7F;
+			  9'h087: keyData[6:0] <= 7'h7F;
+			  9'h088: keyData[6:0] <= 7'h7F;
+			  9'h089: keyData[6:0] <= 7'h7F;
+			  9'h08a: keyData[6:0] <= 7'h7F;
+			  9'h08b: keyData[6:0] <= 7'h7F;
+			  9'h08c: keyData[6:0] <= 7'h7F;
+			  9'h08d: keyData[6:0] <= 7'h7F;
+			  9'h08e: keyData[6:0] <= 7'h7F;
+			  9'h08f: keyData[6:0] <= 7'h7F;
+			  9'h090: keyData[6:0] <= 7'h7F;
+			  9'h091: keyData[6:0] <= 7'h7F;
+			  9'h092: keyData[6:0] <= 7'h7F;
+			  9'h093: keyData[6:0] <= 7'h7F;
+			  9'h094: keyData[6:0] <= 7'h7F;
+			  9'h095: keyData[6:0] <= 7'h7F;
+			  9'h096: keyData[6:0] <= 7'h7F;
+			  9'h097: keyData[6:0] <= 7'h7F;
+			  9'h098: keyData[6:0] <= 7'h7F;
+			  9'h099: keyData[6:0] <= 7'h7F;
+			  9'h09a: keyData[6:0] <= 7'h7F;
+			  9'h09b: keyData[6:0] <= 7'h7F;
+			  9'h09c: keyData[6:0] <= 7'h7F;
+			  9'h09d: keyData[6:0] <= 7'h7F;
+			  9'h09e: keyData[6:0] <= 7'h7F;
+			  9'h09f: keyData[6:0] <= 7'h7F;
+			  9'h0a0: keyData[6:0] <= 7'h7F;
+			  9'h0a1: keyData[6:0] <= 7'h7F;
+			  9'h0a2: keyData[6:0] <= 7'h7F;
+			  9'h0a3: keyData[6:0] <= 7'h7F;
+			  9'h0a4: keyData[6:0] <= 7'h7F;
+			  9'h0a5: keyData[6:0] <= 7'h7F;
+			  9'h0a6: keyData[6:0] <= 7'h7F;
+			  9'h0a7: keyData[6:0] <= 7'h7F;
+			  9'h0a8: keyData[6:0] <= 7'h7F;
+			  9'h0a9: keyData[6:0] <= 7'h7F;
+			  9'h0aa: keyData[6:0] <= 7'h7F;
+			  9'h0ab: keyData[6:0] <= 7'h7F;
+			  9'h0ac: keyData[6:0] <= 7'h7F;
+			  9'h0ad: keyData[6:0] <= 7'h7F;
+			  9'h0ae: keyData[6:0] <= 7'h7F;
+			  9'h0af: keyData[6:0] <= 7'h7F;
+			  9'h0b0: keyData[6:0] <= 7'h7F;
+			  9'h0b1: keyData[6:0] <= 7'h7F;
+			  9'h0b2: keyData[6:0] <= 7'h7F;
+			  9'h0b3: keyData[6:0] <= 7'h7F;
+			  9'h0b4: keyData[6:0] <= 7'h7F;
+			  9'h0b5: keyData[6:0] <= 7'h7F;
+			  9'h0b6: keyData[6:0] <= 7'h7F;
+			  9'h0b7: keyData[6:0] <= 7'h7F;
+			  9'h0b8: keyData[6:0] <= 7'h7F;
+			  9'h0b9: keyData[6:0] <= 7'h7F;
+			  9'h0ba: keyData[6:0] <= 7'h7F;
+			  9'h0bb: keyData[6:0] <= 7'h7F;
+			  9'h0bc: keyData[6:0] <= 7'h7F;
+			  9'h0bd: keyData[6:0] <= 7'h7F;
+			  9'h0be: keyData[6:0] <= 7'h7F;
+			  9'h0bf: keyData[6:0] <= 7'h7F;
+			  9'h0c0: keyData[6:0] <= 7'h7F;
+			  9'h0c1: keyData[6:0] <= 7'h7F;
+			  9'h0c2: keyData[6:0] <= 7'h7F;
+			  9'h0c3: keyData[6:0] <= 7'h7F;
+			  9'h0c4: keyData[6:0] <= 7'h7F;
+			  9'h0c5: keyData[6:0] <= 7'h7F;
+			  9'h0c6: keyData[6:0] <= 7'h7F;
+			  9'h0c7: keyData[6:0] <= 7'h7F;
+			  9'h0c8: keyData[6:0] <= 7'h7F;
+			  9'h0c9: keyData[6:0] <= 7'h7F;
+			  9'h0ca: keyData[6:0] <= 7'h7F;
+			  9'h0cb: keyData[6:0] <= 7'h7F;
+			  9'h0cc: keyData[6:0] <= 7'h7F;
+			  9'h0cd: keyData[6:0] <= 7'h7F;
+			  9'h0ce: keyData[6:0] <= 7'h7F;
+			  9'h0cf: keyData[6:0] <= 7'h7F;
+			  9'h0d0: keyData[6:0] <= 7'h7F;
+			  9'h0d1: keyData[6:0] <= 7'h7F;
+			  9'h0d2: keyData[6:0] <= 7'h7F;
+			  9'h0d3: keyData[6:0] <= 7'h7F;
+			  9'h0d4: keyData[6:0] <= 7'h7F;
+			  9'h0d5: keyData[6:0] <= 7'h7F;
+			  9'h0d6: keyData[6:0] <= 7'h7F;
+			  9'h0d7: keyData[6:0] <= 7'h7F;
+			  9'h0d8: keyData[6:0] <= 7'h7F;
+			  9'h0d9: keyData[6:0] <= 7'h7F;
+			  9'h0da: keyData[6:0] <= 7'h7F;
+			  9'h0db: keyData[6:0] <= 7'h7F;
+			  9'h0dc: keyData[6:0] <= 7'h7F;
+			  9'h0dd: keyData[6:0] <= 7'h7F;
+			  9'h0de: keyData[6:0] <= 7'h7F;
+			  9'h0df: keyData[6:0] <= 7'h7F;
+			  9'h0e0: keyData[6:0] <= 7'h7F;	//ps2 extended key
+			  9'h0e1: keyData[6:0] <= 7'h7F;
+			  9'h0e2: keyData[6:0] <= 7'h7F;
+			  9'h0e3: keyData[6:0] <= 7'h7F;
+			  9'h0e4: keyData[6:0] <= 7'h7F;
+			  9'h0e5: keyData[6:0] <= 7'h7F;
+			  9'h0e6: keyData[6:0] <= 7'h7F;
+			  9'h0e7: keyData[6:0] <= 7'h7F;
+			  9'h0e8: keyData[6:0] <= 7'h7F;
+			  9'h0e9: keyData[6:0] <= 7'h7F;
+			  9'h0ea: keyData[6:0] <= 7'h7F;
+			  9'h0eb: keyData[6:0] <= 7'h7F;
+			  9'h0ec: keyData[6:0] <= 7'h7F;
+			  9'h0ed: keyData[6:0] <= 7'h7F;
+			  9'h0ee: keyData[6:0] <= 7'h7F;
+			  9'h0ef: keyData[6:0] <= 7'h7F;
+			  9'h0f0: keyData[6:0] <= 7'h7F;	//ps2 release code
+			  9'h0f1: keyData[6:0] <= 7'h7F;
+			  9'h0f2: keyData[6:0] <= 7'h7F;
+			  9'h0f3: keyData[6:0] <= 7'h7F;
+			  9'h0f4: keyData[6:0] <= 7'h7F;
+			  9'h0f5: keyData[6:0] <= 7'h7F;
+			  9'h0f6: keyData[6:0] <= 7'h7F;
+			  9'h0f7: keyData[6:0] <= 7'h7F;
+			  9'h0f8: keyData[6:0] <= 7'h7F;
+			  9'h0f9: keyData[6:0] <= 7'h7F;
+			  9'h0fa: keyData[6:0] <= 7'h7F;	//ps2 ack code
+			  9'h0fb: keyData[6:0] <= 7'h7F;
+			  9'h0fc: keyData[6:0] <= 7'h7F;
+			  9'h0fd: keyData[6:0] <= 7'h7F;
+			  9'h0fe: keyData[6:0] <= 7'h7F;
+			  9'h0ff: keyData[6:0] <= 7'h7F;
+			  9'h100: keyData[6:0] <= 7'h7F;
+			  9'h101: keyData[6:0] <= 7'h7F;
+			  9'h102: keyData[6:0] <= 7'h7F;
+			  9'h103: keyData[6:0] <= 7'h7F;
+			  9'h104: keyData[6:0] <= 7'h7F;
+			  9'h105: keyData[6:0] <= 7'h7F;
+			  9'h106: keyData[6:0] <= 7'h7F;
+			  9'h107: keyData[6:0] <= 7'h7F;
+			  9'h108: keyData[6:0] <= 7'h7F;
+			  9'h109: keyData[6:0] <= 7'h7F;
+			  9'h10a: keyData[6:0] <= 7'h7F;
+			  9'h10b: keyData[6:0] <= 7'h7F;
+			  9'h10c: keyData[6:0] <= 7'h7F;
+			  9'h10d: keyData[6:0] <= 7'h7F;
+			  9'h10e: keyData[6:0] <= 7'h7F;
+			  9'h10f: keyData[6:0] <= 7'h7F;
+			  9'h110: keyData[6:0] <= 7'h7F;
+			  9'h111: keyData[6:0] <= 7'h37;	//RIGHT ALT (command)
+			  9'h112: keyData[6:0] <= 7'h7F;
+			  9'h113: keyData[6:0] <= 7'h7F;
+			  9'h114: keyData[6:0] <= 7'h7F;
+			  9'h115: keyData[6:0] <= 7'h7F;
+			  9'h116: keyData[6:0] <= 7'h7F;
+			  9'h117: keyData[6:0] <= 7'h7F;
+			  9'h118: keyData[6:0] <= 7'h7F;
+			  9'h119: keyData[6:0] <= 7'h7F;
+			  9'h11a: keyData[6:0] <= 7'h7F;
+			  9'h11b: keyData[6:0] <= 7'h7F;
+			  9'h11c: keyData[6:0] <= 7'h7F;
+			  9'h11d: keyData[6:0] <= 7'h7F;
+			  9'h11e: keyData[6:0] <= 7'h7F;
+			  9'h11f: keyData[6:0] <= 7'h3A;	//WINDOWS OR APPLICATION KEY (option)
+			  9'h120: keyData[6:0] <= 7'h7F;
+			  9'h121: keyData[6:0] <= 7'h7F;
+			  9'h122: keyData[6:0] <= 7'h7F;
+			  9'h123: keyData[6:0] <= 7'h7F;
+			  9'h124: keyData[6:0] <= 7'h7F;
+			  9'h125: keyData[6:0] <= 7'h7F;
+			  9'h126: keyData[6:0] <= 7'h7F;
+			  9'h127: keyData[6:0] <= 7'h7F;
+			  9'h128: keyData[6:0] <= 7'h7F;
+			  9'h129: keyData[6:0] <= 7'h7F;
+			  9'h12a: keyData[6:0] <= 7'h7F;
+			  9'h12b: keyData[6:0] <= 7'h7F;
+			  9'h12c: keyData[6:0] <= 7'h7F;
+			  9'h12d: keyData[6:0] <= 7'h7F;
+			  9'h12e: keyData[6:0] <= 7'h7F;
+			  9'h12f: keyData[6:0] <= 7'h7F;	
+			  9'h130: keyData[6:0] <= 7'h7F;
+			  9'h131: keyData[6:0] <= 7'h7F;
+			  9'h132: keyData[6:0] <= 7'h7F;
+			  9'h133: keyData[6:0] <= 7'h7F;
+			  9'h134: keyData[6:0] <= 7'h7F;
+			  9'h135: keyData[6:0] <= 7'h7F;
+			  9'h136: keyData[6:0] <= 7'h7F;
+			  9'h137: keyData[6:0] <= 7'h7F;
+			  9'h138: keyData[6:0] <= 7'h7F;
+			  9'h139: keyData[6:0] <= 7'h7F;
+			  9'h13a: keyData[6:0] <= 7'h7F;
+			  9'h13b: keyData[6:0] <= 7'h7F;
+			  9'h13c: keyData[6:0] <= 7'h7F;
+			  9'h13d: keyData[6:0] <= 7'h7F;
+			  9'h13e: keyData[6:0] <= 7'h7F;
+			  9'h13f: keyData[6:0] <= 7'h7F;
+			  9'h140: keyData[6:0] <= 7'h7F;
+			  9'h141: keyData[6:0] <= 7'h7F;
+			  9'h142: keyData[6:0] <= 7'h7F;
+			  9'h143: keyData[6:0] <= 7'h7F;
+			  9'h144: keyData[6:0] <= 7'h7F;
+			  9'h145: keyData[6:0] <= 7'h7F;
+			  9'h146: keyData[6:0] <= 7'h7F;
+			  9'h147: keyData[6:0] <= 7'h7F;
+			  9'h148: keyData[6:0] <= 7'h7F;
+			  9'h149: keyData[6:0] <= 7'h7F;
+			  9'h14a: keyData[6:0] <= 7'h4B;	//KP /
+			  9'h14b: keyData[6:0] <= 7'h7F;
+			  9'h14c: keyData[6:0] <= 7'h7F;
+			  9'h14d: keyData[6:0] <= 7'h7F;
+			  9'h14e: keyData[6:0] <= 7'h7F;
+			  9'h14f: keyData[6:0] <= 7'h7F;
+			  9'h150: keyData[6:0] <= 7'h7F;
+			  9'h151: keyData[6:0] <= 7'h7F;
+			  9'h152: keyData[6:0] <= 7'h7F;
+			  9'h153: keyData[6:0] <= 7'h7F;
+			  9'h154: keyData[6:0] <= 7'h7F;
+			  9'h155: keyData[6:0] <= 7'h7F;
+			  9'h156: keyData[6:0] <= 7'h7F;
+			  9'h157: keyData[6:0] <= 7'h7F;
+			  9'h158: keyData[6:0] <= 7'h7F;
+			  9'h159: keyData[6:0] <= 7'h7F;
+			  9'h15a: keyData[6:0] <= 7'h4C;	//KP ENTER
+			  9'h15b: keyData[6:0] <= 7'h7F;
+			  9'h15c: keyData[6:0] <= 7'h7F;
+			  9'h15d: keyData[6:0] <= 7'h7F;
+			  9'h15e: keyData[6:0] <= 7'h7F;
+			  9'h15f: keyData[6:0] <= 7'h7F;
+			  9'h160: keyData[6:0] <= 7'h7F;
+			  9'h161: keyData[6:0] <= 7'h7F;
+			  9'h162: keyData[6:0] <= 7'h7F;
+			  9'h163: keyData[6:0] <= 7'h7F;
+			  9'h164: keyData[6:0] <= 7'h7F;
+			  9'h165: keyData[6:0] <= 7'h7F;
+			  9'h166: keyData[6:0] <= 7'h7F;
+			  9'h167: keyData[6:0] <= 7'h7F;
+			  9'h168: keyData[6:0] <= 7'h7F;
+			  9'h169: keyData[6:0] <= 7'h77;	//END
+			  9'h16a: keyData[6:0] <= 7'h7F;
+			  9'h16b: keyData[6:0] <= 7'h3B;	//ARROW LEFT
+			  9'h16c: keyData[6:0] <= 7'h73;	//HOME
+			  9'h16d: keyData[6:0] <= 7'h7F;
+			  9'h16e: keyData[6:0] <= 7'h7F;
+			  9'h16f: keyData[6:0] <= 7'h7F;
+			  9'h170: keyData[6:0] <= 7'h72;	//INSERT = HELP
+			  9'h171: keyData[6:0] <= 7'h75;	//DELETE (KP clear?)
+			  9'h172: keyData[6:0] <= 7'h3D;	//ARROW DOWN
+			  9'h173: keyData[6:0] <= 7'h7F;
+			  9'h174: keyData[6:0] <= 7'h3C;	//ARROW RIGHT
+			  9'h175: keyData[6:0] <= 7'h3E;	//ARROW UP
+			  9'h176: keyData[6:0] <= 7'h7F;
+			  9'h177: keyData[6:0] <= 7'h7F;
+			  9'h178: keyData[6:0] <= 7'h7F;
+			  9'h179: keyData[6:0] <= 7'h7F;
+			  9'h17a: keyData[6:0] <= 7'h79;	//PGDN <OSD>
+			  9'h17b: keyData[6:0] <= 7'h7F;
+			  9'h17c: keyData[6:0] <= 7'h69;	//PRTSCR (F13)
+			  9'h17d: keyData[6:0] <= 7'h74;	//PGUP <OSD>
+			  9'h17e: keyData[6:0] <= 7'h71;	//ctrl+break (F15)
+			  9'h17f: keyData[6:0] <= 7'h7F;
+			  9'h180: keyData[6:0] <= 7'h7F;
+			  9'h181: keyData[6:0] <= 7'h7F;
+			  9'h182: keyData[6:0] <= 7'h7F;
+			  9'h183: keyData[6:0] <= 7'h7F;
+			  9'h184: keyData[6:0] <= 7'h7F;
+			  9'h185: keyData[6:0] <= 7'h7F;
+			  9'h186: keyData[6:0] <= 7'h7F;
+			  9'h187: keyData[6:0] <= 7'h7F;
+			  9'h188: keyData[6:0] <= 7'h7F;
+			  9'h189: keyData[6:0] <= 7'h7F;
+			  9'h18a: keyData[6:0] <= 7'h7F;
+			  9'h18b: keyData[6:0] <= 7'h7F;
+			  9'h18c: keyData[6:0] <= 7'h7F;
+			  9'h18d: keyData[6:0] <= 7'h7F;
+			  9'h18e: keyData[6:0] <= 7'h7F;
+			  9'h18f: keyData[6:0] <= 7'h7F;
+			  9'h190: keyData[6:0] <= 7'h7F;
+			  9'h191: keyData[6:0] <= 7'h7F;
+			  9'h192: keyData[6:0] <= 7'h7F;
+			  9'h193: keyData[6:0] <= 7'h7F;
+			  9'h194: keyData[6:0] <= 7'h7F;
+			  9'h195: keyData[6:0] <= 7'h7F;
+			  9'h196: keyData[6:0] <= 7'h7F;
+			  9'h197: keyData[6:0] <= 7'h7F;
+			  9'h198: keyData[6:0] <= 7'h7F;
+			  9'h199: keyData[6:0] <= 7'h7F;
+			  9'h19a: keyData[6:0] <= 7'h7F;
+			  9'h19b: keyData[6:0] <= 7'h7F;
+			  9'h19c: keyData[6:0] <= 7'h7F;
+			  9'h19d: keyData[6:0] <= 7'h7F;
+			  9'h19e: keyData[6:0] <= 7'h7F;
+			  9'h19f: keyData[6:0] <= 7'h7F;
+			  9'h1a0: keyData[6:0] <= 7'h7F;
+			  9'h1a1: keyData[6:0] <= 7'h7F;
+			  9'h1a2: keyData[6:0] <= 7'h7F;
+			  9'h1a3: keyData[6:0] <= 7'h7F;
+			  9'h1a4: keyData[6:0] <= 7'h7F;
+			  9'h1a5: keyData[6:0] <= 7'h7F;
+			  9'h1a6: keyData[6:0] <= 7'h7F;
+			  9'h1a7: keyData[6:0] <= 7'h7F;
+			  9'h1a8: keyData[6:0] <= 7'h7F;
+			  9'h1a9: keyData[6:0] <= 7'h7F;
+			  9'h1aa: keyData[6:0] <= 7'h7F;
+			  9'h1ab: keyData[6:0] <= 7'h7F;
+			  9'h1ac: keyData[6:0] <= 7'h7F;
+			  9'h1ad: keyData[6:0] <= 7'h7F;
+			  9'h1ae: keyData[6:0] <= 7'h7F;
+			  9'h1af: keyData[6:0] <= 7'h7F;
+			  9'h1b0: keyData[6:0] <= 7'h7F;
+			  9'h1b1: keyData[6:0] <= 7'h7F;
+			  9'h1b2: keyData[6:0] <= 7'h7F;
+			  9'h1b3: keyData[6:0] <= 7'h7F;
+			  9'h1b4: keyData[6:0] <= 7'h7F;
+			  9'h1b5: keyData[6:0] <= 7'h7F;
+			  9'h1b6: keyData[6:0] <= 7'h7F;
+			  9'h1b7: keyData[6:0] <= 7'h7F;
+			  9'h1b8: keyData[6:0] <= 7'h7F;
+			  9'h1b9: keyData[6:0] <= 7'h7F;
+			  9'h1ba: keyData[6:0] <= 7'h7F;
+			  9'h1bb: keyData[6:0] <= 7'h7F;
+			  9'h1bc: keyData[6:0] <= 7'h7F;
+			  9'h1bd: keyData[6:0] <= 7'h7F;
+			  9'h1be: keyData[6:0] <= 7'h7F;
+			  9'h1bf: keyData[6:0] <= 7'h7F;
+			  9'h1c0: keyData[6:0] <= 7'h7F;
+			  9'h1c1: keyData[6:0] <= 7'h7F;
+			  9'h1c2: keyData[6:0] <= 7'h7F;
+			  9'h1c3: keyData[6:0] <= 7'h7F;
+			  9'h1c4: keyData[6:0] <= 7'h7F;
+			  9'h1c5: keyData[6:0] <= 7'h7F;
+			  9'h1c6: keyData[6:0] <= 7'h7F;
+			  9'h1c7: keyData[6:0] <= 7'h7F;
+			  9'h1c8: keyData[6:0] <= 7'h7F;
+			  9'h1c9: keyData[6:0] <= 7'h7F;
+			  9'h1ca: keyData[6:0] <= 7'h7F;
+			  9'h1cb: keyData[6:0] <= 7'h7F;
+			  9'h1cc: keyData[6:0] <= 7'h7F;
+			  9'h1cd: keyData[6:0] <= 7'h7F;
+			  9'h1ce: keyData[6:0] <= 7'h7F;
+			  9'h1cf: keyData[6:0] <= 7'h7F;
+			  9'h1d0: keyData[6:0] <= 7'h7F;
+			  9'h1d1: keyData[6:0] <= 7'h7F;
+			  9'h1d2: keyData[6:0] <= 7'h7F;
+			  9'h1d3: keyData[6:0] <= 7'h7F;
+			  9'h1d4: keyData[6:0] <= 7'h7F;
+			  9'h1d5: keyData[6:0] <= 7'h7F;
+			  9'h1d6: keyData[6:0] <= 7'h7F;
+			  9'h1d7: keyData[6:0] <= 7'h7F;
+			  9'h1d8: keyData[6:0] <= 7'h7F;
+			  9'h1d9: keyData[6:0] <= 7'h7F;
+			  9'h1da: keyData[6:0] <= 7'h7F;
+			  9'h1db: keyData[6:0] <= 7'h7F;
+			  9'h1dc: keyData[6:0] <= 7'h7F;
+			  9'h1dd: keyData[6:0] <= 7'h7F;
+			  9'h1de: keyData[6:0] <= 7'h7F;
+			  9'h1df: keyData[6:0] <= 7'h7F;
+			  9'h1e0: keyData[6:0] <= 7'h7F;	//ps2 extended key(duplicate, see $e0)
+			  9'h1e1: keyData[6:0] <= 7'h7F;
+			  9'h1e2: keyData[6:0] <= 7'h7F;
+			  9'h1e3: keyData[6:0] <= 7'h7F;
+			  9'h1e4: keyData[6:0] <= 7'h7F;
+			  9'h1e5: keyData[6:0] <= 7'h7F;
+			  9'h1e6: keyData[6:0] <= 7'h7F;
+			  9'h1e7: keyData[6:0] <= 7'h7F;
+			  9'h1e8: keyData[6:0] <= 7'h7F;
+			  9'h1e9: keyData[6:0] <= 7'h7F;
+			  9'h1ea: keyData[6:0] <= 7'h7F;
+			  9'h1eb: keyData[6:0] <= 7'h7F;
+			  9'h1ec: keyData[6:0] <= 7'h7F;
+			  9'h1ed: keyData[6:0] <= 7'h7F;
+			  9'h1ee: keyData[6:0] <= 7'h7F;
+			  9'h1ef: keyData[6:0] <= 7'h7F;
+			  9'h1f0: keyData[6:0] <= 7'h7F;	//ps2 release code(duplicate, see $f0)
+			  9'h1f1: keyData[6:0] <= 7'h7F;
+			  9'h1f2: keyData[6:0] <= 7'h7F;
+			  9'h1f3: keyData[6:0] <= 7'h7F;
+			  9'h1f4: keyData[6:0] <= 7'h7F;
+			  9'h1f5: keyData[6:0] <= 7'h7F;
+			  9'h1f6: keyData[6:0] <= 7'h7F;
+			  9'h1f7: keyData[6:0] <= 7'h7F;
+			  9'h1f8: keyData[6:0] <= 7'h7F;
+			  9'h1f9: keyData[6:0] <= 7'h7F;
+			  9'h1fa: keyData[6:0] <= 7'h7F;	//ps2 ack code(duplicate see $fa)
+			  9'h1fb: keyData[6:0] <= 7'h7F;
+			  9'h1fc: keyData[6:0] <= 7'h7F;
+			  9'h1fd: keyData[6:0] <= 7'h7F;
+			  9'h1fe: keyData[6:0] <= 7'h7F;
+			  9'h1ff: keyData[6:0] <= 7'h7F;
+			endcase
+			if(capslock_key && press) capslock <= ~capslock;
+			if(!(capslock_key && capslock)) begin
+				keyData[7] <= ~press;
+				keyStrobe <= 1;
+			end
+		end
+		else begin
+			keyStrobe <= 0;
+		end
+	end
+
+	if (reset) capslock <= 0;
+end
+
+endmodule
+
diff --git a/rtl/addrController_top.v b/rtl/addrController_top.v
index 5c07978..eba75d2 100644
--- a/rtl/addrController_top.v
+++ b/rtl/addrController_top.v
@@ -9,7 +9,7 @@ module addrController_top(
 
 	// system config:
 	input turbo,               // 0 = normal, 1 = faster
-	input configROMSize,			// 0 = 64K ROM, 1 = 128K ROM
+	input [1:0] configROMSize,  // 0 = 64K ROM, 1 = 128K ROM, 2 = 256K ROM
 	input [1:0] configRAMSize,	// 0 = 128K, 1 = 512K, 2 = 1MB, 3 = 4MB RAM
 
 	// 68000 CPU memory interface:
@@ -38,6 +38,7 @@ module addrController_top(
 	output selectVIA,
 	output selectRAM,
 	output selectROM,
+	output selectSEOverlay,
 	
 	// video:
 	output hsync,
@@ -155,14 +156,14 @@ module addrController_top(
 	wire rom_access = (cpuBusControl && selectROM);
 	
 	// simulate smaller RAM/ROM sizes
-	assign macAddr[16] = rom_access && configROMSize == 1'b0 ? 1'b0 :     // force A16 to 0 for 64K ROM access
+	assign macAddr[16] = rom_access && configROMSize == 2'b00 ? 1'b0 :     // force A16 to 0 for 64K ROM access
 									addrMux[16]; 
 	assign macAddr[17] = ram_access && configRAMSize == 2'b00 ? 1'b0 :   // force A17 to 0 for 128K RAM access
-									rom_access && configROMSize == 1'b1 ? 1'b0 :  // force A17 to 0 for 128K ROM access
-									rom_access && configROMSize == 1'b0 ? 1'b1 :  // force A17 to 1 for 64K ROM access (64K ROM image is at $20000)
+									rom_access && configROMSize == 2'b01 ? 1'b0 :  // force A17 to 0 for 128K ROM access
+									rom_access && configROMSize == 2'b00 ? 1'b1 :  // force A17 to 1 for 64K ROM access (64K ROM image is at $20000)
 									addrMux[17]; 
 	assign macAddr[18] = ram_access && configRAMSize == 2'b00 ? 1'b0 :   // force A18 to 0 for 128K RAM access
-									rom_access ? 1'b0 : 								   // force A18 to 0 for ROM access
+	                     rom_access && configROMSize != 2'b11 ? 1'b0 : // force A18 to 0 for 64K/128K/256K ROM access
 									addrMux[18]; 
 	assign macAddr[19] = ram_access && configRAMSize[1] == 1'b0 ? 1'b0 : // force A19 to 0 for 128K or 512K RAM access
 									rom_access ? 1'b0 : 								   // force A19 to 0 for ROM access
@@ -188,6 +189,7 @@ module addrController_top(
 
 	// address decoding
 	addrDecoder ad(
+		.configROMSize(configROMSize),
 		.address(cpuAddr),
 		._cpuAS(_cpuAS),
 		.memoryOverlayOn(memoryOverlayOn),
@@ -196,7 +198,8 @@ module addrController_top(
 		.selectSCSI(selectSCSI),
 		.selectSCC(selectSCC),
 		.selectIWM(selectIWM),
-		.selectVIA(selectVIA));
+		.selectVIA(selectVIA),
+		.selectSEOverlay(selectSEOverlay));
 
 	// video
 	videoTimer vt(
diff --git a/rtl/addrDecoder.v b/rtl/addrDecoder.v
index ef2ffc1..fac3fbd 100644
--- a/rtl/addrDecoder.v
+++ b/rtl/addrDecoder.v
@@ -80,6 +80,7 @@
 */
 
 module addrDecoder(
+	input [1:0] configROMSize,
 	input [23:0] address,
 	input _cpuAS,
 	input memoryOverlayOn,
@@ -88,7 +89,8 @@ module addrDecoder(
 	output reg selectSCSI,
 	output reg selectSCC,
 	output reg selectIWM,
-	output reg selectVIA
+	output reg selectVIA,
+	output reg selectSEOverlay
 );
 
 	always @(*) begin
@@ -98,34 +100,44 @@ module addrDecoder(
 		selectSCC = 0;
 		selectIWM = 0;
 		selectVIA = 0;
+		selectSEOverlay = 0;
 		
 		casez (address[23:20])
-			4'b00??: begin
+			4'b00??: begin //00 0000 - 3F FFFF
 				if (memoryOverlayOn == 0)
 					selectRAM = !_cpuAS;
 				else begin
 					if (address[23:20] == 0) begin
 						// Mac Plus: repeated images of overlay ROM only extend to $0F0000
 						// Mac 512K: more repeated ROM images at $020000-$02FFFF
+						// Mac SE:   overlay ROM at $00 0000 - $0F FFFF
 						selectROM = !_cpuAS;
 					end
 				end
 			end
-			4'b0100: 
-				if( address[17] == 1'b0)   // <- this detects SCSI!!!
+			4'b0100: begin //40 0000 - 4F FFFF
+				if(configROMSize[1] || address[17] == 1'b0)   // <- this detects SCSI (on Plus)!!!
 					selectROM = !_cpuAS;
-			4'b0101: 
-				if (address[19:12] == 8'h80)
+				selectSEOverlay = !_cpuAS;
+			end
+			4'b0101: begin //50 000 - 5F FFFF
+				if (address[19]) // 58 000 - 5F FFFF
 					selectSCSI = !_cpuAS;
+				selectSEOverlay = !_cpuAS;
+			end
 			4'b0110: 
 				if (memoryOverlayOn)
 					selectRAM = !_cpuAS;
 			4'b10?1:
 				selectSCC = !_cpuAS;
+			4'b1100: // C0 000 - CF FFF
+				if (!configROMSize[1])
+					selectIWM = !_cpuAS;
 			4'b1101:
 				selectIWM = !_cpuAS;
 			4'b1110:
-				selectVIA = !_cpuAS;
+				if (address[19]) // E8 000 - EF FFF
+					selectVIA = !_cpuAS;
 			default:
 				; // select nothing
 		endcase
diff --git a/rtl/dataController_top.sv b/rtl/dataController_top.sv
index 73d37af..1b3c1cb 100644
--- a/rtl/dataController_top.sv
+++ b/rtl/dataController_top.sv
@@ -7,6 +7,7 @@ module dataController_top(
 	input E_falling,
 	
 	// system control:
+	input machineType, // 0 - Mac Plus, 1 - Mac SE
 	input _systemReset,
 
 	// 68000 CPU control:
@@ -28,6 +29,7 @@ module dataController_top(
 	input selectSCC,
 	input selectIWM,
 	input selectVIA,
+	input selectSEOverlay,
 	input _cpuVMA,
 	
 	// RAM/ROM:
@@ -210,9 +212,19 @@ module dataController_top(
 	end
 	wire onesec = vblankCount == 59;
 
+	// Mac SE ROM overlay switch
+	reg  SEOverlay;
+	always @(posedge clk32) begin
+		if (!_cpuReset)
+			SEOverlay <= 1;
+		else if (selectSEOverlay)
+			SEOverlay <= 0;
+	end
+
 	// VIA
 	wire [2:0] snd_vol;
 	wire snd_ena;
+	wire driveSel; // internal drive select, 0 - upper, 1 - lower
 
 	wire [7:0] via_pa_i, via_pa_o, via_pa_oe;
 	wire [7:0] via_pb_i, via_pb_o, via_pb_oe;
@@ -223,13 +235,14 @@ module dataController_top(
 	//port A
 	assign via_pa_i = {sccWReq, ~via_pa_oe[6:0] | via_pa_o[6:0]};
 	assign snd_vol = ~via_pa_oe[2:0] | via_pa_o[2:0];
-	assign snd_alt = ~(~via_pa_oe[3] | via_pa_o[3]);
-	assign memoryOverlayOn = ~via_pa_oe[4] | via_pa_o[4];
+	assign snd_alt = machineType ? 1'b0 : ~(~via_pa_oe[3] | via_pa_o[3]);
+	assign driveSel = machineType ? ~via_pa_oe[4] | via_pa_o[4] : 1'b1;
+	assign memoryOverlayOn = machineType ? SEOverlay : ~via_pa_oe[4] | via_pa_o[4];
 	assign SEL = ~via_pa_oe[5] | via_pa_o[5];
 	assign vid_alt = ~via_pa_oe[6] | via_pa_o[6];
 
 	//port B
-	assign via_pb_i = {1'b1, _hblank, mouseY2, mouseX2, mouseButton, 2'b11, rtcdat_o};
+	assign via_pb_i = {1'b1, {3{machineType}} | {_hblank, mouseY2, mouseX2}, machineType ? _ADBint : mouseButton, 2'b11, rtcdat_o};
 	assign snd_ena = ~via_pb_oe[7] | via_pb_o[7];
 
 	assign viaDataOut[7:0] = 8'hEF;
@@ -284,6 +297,11 @@ module dataController_top(
 		.dat_o      (rtcdat_o)
 	);
 
+	wire _ADBint;
+	wire ADBST0 = ~via_pb_oe[4] | via_pb_o[4];
+	wire ADBST1 = ~via_pb_oe[5] | via_pb_o[5];
+	wire ADBListen;
+
 	reg kbdclk;
 	reg [10:0] kbdclk_count;
 	reg kbd_transmitting, kbd_wait_receiving, kbd_receiving;
@@ -301,7 +319,7 @@ module dataController_top(
 		if (clk8_en_p) begin
 			if ((kbd_transmitting && !kbd_wait_receiving) || kbd_receiving) begin
 				kbdclk_count <= kbdclk_count + 1'd1;
-				if (kbdclk_count == 12'd1300) begin // ~165usec
+				if (kbdclk_count == (machineType ? 8'd80 : 12'd1300)) begin // ~165usec - Mac Plus / faster - ADB
 					kbdclk <= ~kbdclk;
 					kbdclk_count <= 0;
 					if (kbdclk) begin 
@@ -320,28 +338,46 @@ module dataController_top(
 	// Keyboard control
 	always @(posedge clk32) begin
 		reg kbdclk_d;
+		reg ADBListenD;
 		if (!_cpuReset) begin
 			kbd_bitcnt <= 0;
 			kbd_transmitting <= 0;
 			kbd_wait_receiving <= 0;
 			kbd_data_valid <= 0;
+			ADBListenD <= 0;
 		end else if (clk8_en_p) begin
-			if (kbd_in_strobe) begin
+			if (kbd_in_strobe && !machineType) begin
 				kbd_to_mac <= kbd_in_data;
 				kbd_data_valid <= 1;
 			end
 
+			if (adb_dout_strobe && machineType) begin
+				kbd_to_mac <= adb_dout;
+				kbd_receiving <= 1;
+			end
+
 			kbd_out_strobe <= 0;
+			adb_din_strobe <= 0;
 			kbdclk_d <= kbdclk;
 
 			// Only the Macintosh can initiate communication over the keyboard lines. On
 			// power-up of either the Macintosh or the keyboard, the Macintosh is in
 			// charge, and the external device is passive. The Macintosh signals that it's
 			// ready to begin communication by pulling the keyboard data line low.
-			if (!kbd_transmitting && !kbd_receiving && !kbddat_i) begin
+			if (!machineType && !kbd_transmitting && !kbd_receiving && !kbddat_i) begin
 				kbd_transmitting <= 1;
 				kbd_bitcnt <= 0;
 			end
+
+			// ADB transmission start
+			if (machineType && !kbd_transmitting && !kbd_receiving) begin
+				ADBListenD <= ADBListen;
+				if (!ADBListenD && ADBListen) begin
+					kbd_transmitting <= 1;
+					kbd_bitcnt <= 0;
+				end
+			end
+
 			// The last bit of the command leaves the keyboard data line low; the
 			// Macintosh then indicates it's ready to receive the keyboard's response by
 			// setting the data line high. 
@@ -357,8 +393,14 @@ module dataController_top(
 
 				if (kbd_bitcnt == 3'd7) begin
 					if (kbd_transmitting) begin
-						kbd_out_strobe <= 1;
-						kbd_wait_receiving <= 1;
+						if (!machineType) begin
+							kbd_out_strobe <= 1;
+							kbd_wait_receiving <= 1;
+						end else begin
+							adb_din_strobe <= 1;
+							adb_din <= kbd_out_data;
+							kbd_transmitting <= 0;
+						end
 					end
 					if (kbd_receiving) begin
 						kbd_receiving <= 0;
@@ -381,6 +423,7 @@ module dataController_top(
 		.dataIn(cpuDataIn),
 		.cpuAddrRegHi(cpuAddrRegHi),
 		.SEL(SEL),
+		.driveSel(driveSel),
 		.dataOut(iwmDataOut),
 		.insertDisk(insertDisk),
 		.diskSides(diskSides),
@@ -456,4 +499,26 @@ module dataController_top(
 		.capslock(capslock)
 		);
 		
+	reg  [7:0] adb_din;
+	reg        adb_din_strobe;
+	wire [7:0] adb_dout;
+	wire       adb_dout_strobe;
+
+	adb adb(
+		.clk(clk32),
+		.clk_en(clk8_en_p),
+		.reset(~_cpuReset),
+		.st({ADBST1, ADBST0}),
+		._int(_ADBint),
+		.viaBusy(kbd_transmitting || kbd_receiving),
+		.listen(ADBListen),
+		.adb_din(adb_din),
+		.adb_din_strobe(adb_din_strobe),
+		.adb_dout(adb_dout),
+		.adb_dout_strobe(adb_dout_strobe),
+
+		.ps2_mouse(ps2_mouse),
+		.ps2_key(ps2_key)
+	);
+
 endmodule
diff --git a/rtl/iwm.v b/rtl/iwm.v
index 1bed612..378215d 100644
--- a/rtl/iwm.v
+++ b/rtl/iwm.v
@@ -42,6 +42,7 @@ module iwm
 	input [15:0] dataIn,
 	input [3:0] cpuAddrRegHi,
 	input SEL, // from VIA
+	input driveSel, // internal drive select, 0 - upper, 1 - lower
 	output [15:0] dataOut,
 	input [1:0] insertDisk,
 	output [1:0] diskEject,
@@ -94,7 +95,7 @@ module iwm
 		.ca2(ca2),
 		.SEL(SEL),
 		.lstrb(lstrb),
-		._enable(~diskEnableInt),
+		._enable(~(diskEnableInt & driveSel)),
 		.writeData(writeData),
 		.readData(readDataInt),
 		.advanceDriveHead(advanceDriveHead),