Implement SE model. Additional fixes.

This commit is contained in:
Sorgelig 2022-03-09 23:18:50 +08:00
parent 0c094b4d59
commit f24b0fd44b
9 changed files with 992 additions and 29 deletions

View File

@ -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;

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@ -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

BIN
releases/boot1.rom Normal file

Binary file not shown.

875
rtl/adb.sv Normal file
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@ -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

View File

@ -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(

View File

@ -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

View File

@ -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;