/* This module is mapped in physical memory from 0x00000000 to
* 0x00800000. rdata and ready must be driven to zero if the
- * address is not within the range of this module.
+ * address is not within the range of this module. There also
+ * exists a shadow up at 0x80000000.
*/
- wire decode = bus_addr[31:23] == 9'b0;
+ wire decode = bus_addr[30:23] == 8'b0;
wire [22:0] ramaddr = {bus_addr[22:2], 2'b0}; /* mask off lower two bits
* for word alignment */
--- /dev/null
+module CellularRAM(
+ input clk,
+ input [31:0] bus_addr,
+ output wire [31:0] bus_rdata,
+ input [31:0] bus_wdata,
+ input bus_rd,
+ input bus_wr,
+ output wire bus_ready,
+
+ output wire cr_nADV, cr_nCE, cr_nOE, cr_nWE, cr_CRE, cr_nLB, cr_nUB, cr_CLK,
+ inout wire [15:0] cr_DQ,
+ output wire [22:0] cr_A,
+ output wire st_nCE
+ );
+
+ /* This module is mapped in physical memory from 0x80000000 to
+ * 0x80FFFFFF. rdata and ready must be driven to zero if the
+ * address is not within the range of this module.
+ */
+ wire decode = bus_addr[31:24] == 8'h80;
+ assign cr_A = bus_addr[23:1];
+ reg [22:0] cr_A_1a = 23'h7FFFFF;
+ reg [22:0] cr_A_2a = 23'h7FFFFF;
+ wire active = (decode && (bus_rd || bus_wr));
+ reg active_1a = 0;
+ reg active_2a = 0;
+
+ always @(posedge clk)
+ begin
+ cr_A_1a <= cr_A;
+ cr_A_2a <= cr_A_1a;
+ active_1a <= active;
+ active_2a <= active_1a;
+ end
+
+ assign bus_rdata = (bus_rd && decode) ? {16'h0000, cr_DQ} : 32'h0;
+ assign cr_DQ = (bus_wr && decode) ? bus_wdata : 16'hzzzz;
+
+ assign bus_ready = active && active_1a && active_2a && (cr_A_1a == cr_A) && (cr_A_2a == cr_A);
+
+ assign st_nCE = 0;
+ assign cr_nADV = ~decode;
+ assign cr_nCE = 0;
+ assign cr_nOE = ~bus_rd;
+ assign cr_nWE = ~bus_wr;
+ assign cr_CRE = 0;
+ assign cr_nLB = 0;
+ assign cr_nUB = 0;
+ assign cr_CLK = 0;
+endmodule
-VLOGS = ARM_Constants.v BigBlockRAM.v BlockRAM.v BusArbiter.v DCache.v Decode.v Execute.v Fetch.v ICache.v Issue.v Memory.v Minishift.v RegFile.v Terminal.v Writeback.v system.v
+VLOGS = ARM_Constants.v BigBlockRAM.v BlockRAM.v BusArbiter.v DCache.v Decode.v Execute.v Fetch.v ICache.v Issue.v Memory.v Minishift.v RegFile.v Terminal.v Writeback.v system.v CellularRAM.v
all: Vsystem
-tests/testbench.pad.hex
\ No newline at end of file
+tests/ram.hex
\ No newline at end of file
`else
, output wire [8:0] sys_odata,
input [8:0] sys_idata,
- output wire sys_tookdata
+ output wire sys_tookdata,
+
+ output wire cr_nADV, cr_nCE, cr_nOE, cr_nWE, cr_CRE, cr_nLB, cr_nUB, cr_CLK,
+ inout wire [15:0] cr_DQ,
+ output wire [22:0] cr_A,
+ output wire st_nCE
`endif
);
wire bus_rd_dcache;
wire bus_wr_dcache;
- wire [31:0] bus_rdata_blockram;
- wire bus_ready_blockram;
+ wire [31:0] bus_rdata_blockram, bus_rdata_cellularram;
+ wire bus_ready_blockram, bus_ready_cellularram;
assign bus_addr = bus_addr_icache | bus_addr_dcache;
- assign bus_rdata = bus_rdata_blockram;
+ assign bus_rdata = bus_rdata_blockram | bus_rdata_cellularram;
assign bus_wdata = bus_wdata_icache | bus_wdata_dcache;
assign bus_rd = bus_rd_icache | bus_rd_dcache;
assign bus_wr = bus_wr_icache | bus_wr_dcache;
- assign bus_ready = bus_ready_blockram;
+ assign bus_ready = bus_ready_blockram | bus_ready_cellularram;
wire [31:0] icache_rd_addr;
wire icache_rd_req;
.bus_wdata(bus_wdata), .bus_rd(bus_rd), .bus_wr(bus_wr),
.bus_ready(bus_ready_blockram));
+`ifdef verilator
+ assign bus_rdata_cellularram = 32'h00000000;
+ assign bus_ready_cellularram = 0;
+`else
+ /* CellularRAM AUTO_TEMPLATE (
+ .bus_rdata(bus_rdata_cellularram),
+ .bus_ready(bus_ready_cellularram),
+ );
+ */
+ CellularRAM cellularram(
+ /*AUTOINST*/
+ // Outputs
+ .bus_rdata (bus_rdata_cellularram), // Templated
+ .bus_ready (bus_ready_cellularram), // Templated
+ .cr_nADV (cr_nADV),
+ .cr_nCE (cr_nCE),
+ .cr_nOE (cr_nOE),
+ .cr_nWE (cr_nWE),
+ .cr_CRE (cr_CRE),
+ .cr_nLB (cr_nLB),
+ .cr_nUB (cr_nUB),
+ .cr_CLK (cr_CLK),
+ .cr_A (cr_A[22:0]),
+ .st_nCE (st_nCE),
+ // Inouts
+ .cr_DQ (cr_DQ[15:0]),
+ // Inputs
+ .clk (clk),
+ .bus_addr (bus_addr[31:0]),
+ .bus_wdata (bus_wdata[31:0]),
+ .bus_rd (bus_rd),
+ .bus_wr (bus_wr));
+`endif
+
/* Fetch AUTO_TEMPLATE (
.jmp_0a(jmp),
.jmppc_0a(jmppc),
CFLAGS=-mno-thumb-interwork -march=armv4
-all: costas.hex testbench.hex
+all: costas.hex testbench.pad.hex testbench.hex
%.o: %.c
arm-elf-gcc $(CFLAGS) -c -o $@ $<
puts("PASS\n");
}
+void cellularram()
+{
+ volatile int *p = 0x80010000;
+
+ puts("[writing] ");
+ p[0] = 0x12345678;
+ p[1] = 0x87654321;
+ p[2] = 0xAAAA5555;
+ p[3] = 0x5555AAAA;
+ puts("[cache flush] ");
+ p[0x1000] = 0x00000000;
+ puts("[reading: ");
+ puthex(p[0]);
+ puthex(p[1]);
+ puthex(p[2]);
+ puthex(p[3]);
+ puts("]\n");
+}
+
struct tests tlist[] = {
{"ldm pc/mul", ldm_tester},
{"fact", facttest},
{"j4cbo", j4cbo},
+ {"cellularram", cellularram},
{"ack", acktest},
{"miniblarg", testmain},
{"corecurse", corecurse},
--- /dev/null
+module MulDivDCM(input xtal, output clk);
+ parameter div = 5;
+ parameter mul = 2;
+
+ wire CLKFX_BUF;
+ wire GND_BIT = 0;
+ BUFG CLKFX_BUFG_INST (.I(CLKFX_BUF),
+ .O(clk));
+ DCM_SP DCM_SP_INST (.CLKFB(GND_BIT),
+ .CLKIN(xtal),
+ .DSSEN(GND_BIT),
+ .PSCLK(GND_BIT),
+ .PSEN(GND_BIT),
+ .PSINCDEC(GND_BIT),
+ .RST(GND_BIT),
+ .CLKFX(CLKFX_BUF));
+ defparam DCM_SP_INST.CLK_FEEDBACK = "NONE";
+ defparam DCM_SP_INST.CLKDV_DIVIDE = 2.0;
+ defparam DCM_SP_INST.CLKFX_DIVIDE = div;
+ defparam DCM_SP_INST.CLKFX_MULTIPLY = mul;
+ defparam DCM_SP_INST.CLKIN_DIVIDE_BY_2 = "FALSE";
+ defparam DCM_SP_INST.CLKIN_PERIOD = 20.000;
+ defparam DCM_SP_INST.CLKOUT_PHASE_SHIFT = "NONE";
+ defparam DCM_SP_INST.DESKEW_ADJUST = "SYSTEM_SYNCHRONOUS";
+ defparam DCM_SP_INST.DFS_FREQUENCY_MODE = "LOW";
+ defparam DCM_SP_INST.DLL_FREQUENCY_MODE = "LOW";
+ defparam DCM_SP_INST.DUTY_CYCLE_CORRECTION = "TRUE";
+ defparam DCM_SP_INST.FACTORY_JF = 16'hC080;
+ defparam DCM_SP_INST.PHASE_SHIFT = 0;
+ defparam DCM_SP_INST.STARTUP_WAIT = "TRUE";
+endmodule
+
+module Console(
+ input xtal,
+ input rst,
+ output wire rstact,
+ output wire vs, hs,
+ output wire [2:0] r, g,
+ output wire [1:0] b,
+ input ps2c, ps2d,
+ output wire cr_nADV, cr_nCE, cr_nOE, cr_nWE, cr_CRE, cr_nLB, cr_nUB, cr_CLK,
+ inout wire [15:0] cr_DQ,
+ output wire [22:0] cr_A,
+ output wire st_nCE);
+
+ wire pixclk, coreclk;
+
+ wire [11:0] x, y;
+ wire border;
+
+ assign coreclk = pixclk;
+ MulDivDCM dcm31_25(xtal, pixclk);
+ defparam dcm31_25.div = 4;
+ defparam dcm31_25.mul = 2;
+
+ SyncGen sync(pixclk, vs, hs, x, y, border);
+
+ wire [7:0] cschar;
+ wire [2:0] csrow;
+ wire [7:0] csdata;
+
+ wire [10:0] vraddr;
+ wire [7:0] vrdata;
+
+ wire [10:0] vwaddr;
+ wire [7:0] vwdata;
+ wire [7:0] serdata;
+ wire vwr, serwr;
+ wire [10:0] vscroll;
+
+ wire odata;
+
+ wire [6:0] vcursx;
+ wire [4:0] vcursy;
+
+ reg [16:0] rsttimer = 17'h3FFFF;
+ always @(posedge coreclk)
+ if (rst)
+ rsttimer <= 17'h3FFFF;
+ else if (rsttimer)
+ rsttimer <= rsttimer - 1;
+ assign rstact = rsttimer != 17'h0;
+
+ wire tookdata;
+ reg ps2_hasd = 0;
+ reg [7:0] ps2_d = 0;
+ wire sertxwr;
+ wire [7:0] sertxdata;
+
+ CharSet cs(cschar, csrow, csdata);
+ VideoRAM vram(pixclk, vraddr + vscroll, vrdata, coreclk, vwaddr, vwdata, vwr);
+ VDisplay dpy(pixclk, x, y, vraddr, vrdata, cschar, csrow, csdata, vcursx, vcursy, odata);
+ RXState rxsm(coreclk, vwr, vwaddr, vwdata, vscroll, vcursx, vcursy, serwr, serdata);
+ PS2 ps2(coreclk, ps2c, ps2d, sertxwr, sertxdata);
+ System sys(.clk(coreclk), .rst(rstact), .sys_odata({serwr, serdata}), .sys_idata({ps2_hasd, ps2_d}), .sys_tookdata(tookdata),
+ .cr_nADV (cr_nADV),
+ .cr_nCE (cr_nCE),
+ .cr_nOE (cr_nOE),
+ .cr_nWE (cr_nWE),
+ .cr_CRE (cr_CRE),
+ .cr_nLB (cr_nLB),
+ .cr_nUB (cr_nUB),
+ .cr_CLK (cr_CLK),
+ .cr_A (cr_A),
+ .st_nCE (st_nCE),
+ .cr_DQ (cr_DQ));
+
+ always @(posedge coreclk)
+ if (sertxwr)
+ {ps2_hasd, ps2_d} <= {1'b1, sertxdata};
+ else if (tookdata)
+ {ps2_hasd, ps2_d} <= {1'b0, 8'hxxxxxxxx};
+
+ wire [7:0] red, green, blue;
+ assign r = (odata ? 3'b111 : 0) | (x[8:7] ^ y[7:6]);
+ assign g = (odata ? 3'b111 : 0) | (x[7:6] ^ y[8:7]);
+ assign b = (odata ? 2'b11 : 0) | (x[8 ] ^ y[8 ]);
+endmodule
+
+module SyncGen(
+ input pixclk,
+ output reg vs, hs,
+ output reg [11:0] x, y,
+ output reg border);
+
+ parameter XRES = 640;
+ parameter XFPORCH = 16;
+ parameter XSYNC = 96;
+ parameter XBPORCH = 48;
+
+ parameter YRES = 480;
+ parameter YFPORCH = 10;
+ parameter YSYNC = 2;
+ parameter YBPORCH = 29;
+
+ always @(posedge pixclk)
+ begin
+ if (x >= (XRES + XFPORCH + XSYNC + XBPORCH))
+ begin
+ if (y >= (YRES + YFPORCH + YSYNC + YBPORCH))
+ y = 0;
+ else
+ y = y + 1;
+ x = 0;
+ end else
+ x = x + 1;
+ hs <= (x >= (XRES + XFPORCH)) && (x < (XRES + XFPORCH + XSYNC));
+ vs <= (y >= (YRES + YFPORCH)) && (y < (YRES + YFPORCH + YSYNC));
+ border <= (x > XRES) || (y > YRES);
+ end
+endmodule
+
+module CharSet(
+ input [7:0] char,
+ input [2:0] row,
+ output wire [7:0] data);
+
+ reg [7:0] rom [(256 * 8 - 1):0];
+
+ initial
+ $readmemb("ibmpc1.mem", rom);
+
+ assign data = rom[{char, row}];
+endmodule
+
+module VideoRAM(
+ input pixclk,
+ input [10:0] raddr,
+ output reg [7:0] rdata,
+ input wclk,
+ input [10:0] waddr,
+ input [7:0] wdata,
+ input wr);
+
+ reg [7:0] ram [2047 : 0];
+
+ always @(posedge pixclk)
+ rdata <= ram[raddr];
+
+ always @(posedge wclk)
+ if (wr)
+ ram[waddr] <= wdata;
+endmodule
+
+module VDisplay(
+ input pixclk,
+ input [11:0] x,
+ input [11:0] y,
+ output wire [10:0] raddr,
+ input [7:0] rchar,
+ output wire [7:0] cschar,
+ output wire [2:0] csrow,
+ input [7:0] csdata,
+ input [6:0] cursx,
+ input [4:0] cursy,
+ output reg data);
+
+ wire [7:0] col = x[11:3];
+ wire [5:0] row = y[10:4];
+ reg [7:0] ch;
+ reg [11:0] xdly;
+
+ assign raddr = ({row,4'b0} + {row,6'b0} + {4'h0,col});
+ assign cschar = rchar;
+ assign csrow = y[3:1];
+
+ reg [23:0] blinktime = 0;
+
+ always @(posedge pixclk) blinktime <= blinktime + 1;
+
+ wire curssel = (cursx == col) && (cursy == row) && blinktime[23];
+
+ always @(posedge pixclk)
+ xdly <= x;
+
+ always @(posedge pixclk)
+ data = ((xdly < 80 * 8) && (y < 25 * 16)) ? (csdata[7 - xdly[2:0]] ^ curssel) : 0;
+endmodule
+
+module RXState(
+ input clk25,
+ output reg vwr = 0,
+ output reg [10:0] vwaddr = 0,
+ output reg [7:0] vwdata = 0,
+ output reg [10:0] vscroll = 0,
+ output wire [6:0] vcursx,
+ output wire [4:0] vcursy,
+ input serwr,
+ input [7:0] serdata);
+
+ parameter STATE_IDLE = 4'b0000;
+ parameter STATE_NEWLINE = 4'b0001;
+ parameter STATE_CLEAR = 4'b0010;
+
+ reg [3:0] state = STATE_CLEAR;
+
+ reg [6:0] x = 0;
+ reg [4:0] y = 0;
+
+ assign vcursx = x;
+ assign vcursy = y;
+
+ reg [10:0] clearstart = 0;
+ reg [10:0] clearend = 11'b11111111111;
+
+ always @(posedge clk25)
+ case (state)
+ STATE_IDLE: if (serwr) begin
+ if (serdata == 8'h0A) begin
+ state <= STATE_NEWLINE;
+ x <= 0;
+ vwr <= 0;
+ end else if (serdata == 8'h0D) begin
+ x <= 0;
+ vwr <= 0;
+ end else if (serdata == 8'h0C) begin
+ clearstart <= 0;
+ clearend <= 11'b11111111111;
+ x <= 0;
+ y <= 0;
+ vscroll <= 0;
+ state <= STATE_CLEAR;
+ end else if (serdata == 8'h08) begin
+ if (x != 0)
+ x <= x - 1;
+ vwr <= 0;
+ end else begin
+ vwr <= 1;
+ vwaddr <= ({y,4'b0} + {y,6'b0} + {4'h0,x}) + vscroll;
+ vwdata <= serdata;
+ if (x == 79) begin
+ x <= 0;
+ state <= STATE_NEWLINE;
+ end else
+ x <= x + 1;
+ end
+ end
+ STATE_NEWLINE:
+ begin
+ vwr <= 0;
+ if (y == 24) begin
+ vscroll <= vscroll + 80;
+ clearstart <= (25 * 80) + vscroll;
+ clearend <= (26*80) + vscroll;
+ state <= STATE_CLEAR;
+ end else begin
+ y <= y + 1;
+ state <= STATE_IDLE;
+ end
+ end
+ STATE_CLEAR:
+ begin
+ vwr <= 1;
+ vwaddr <= clearstart;
+ vwdata <= 8'h20;
+ clearstart <= clearstart + 1;
+ if (clearstart == clearend)
+ state <= STATE_IDLE;
+ end
+ endcase
+endmodule
+
+module PS2(
+ input pixclk,
+ input inclk,
+ input indata,
+ output reg wr,
+ output reg [7:0] data
+ );
+
+ reg [3:0] bitcount = 0;
+ reg [7:0] key = 0;
+ reg keyarrow = 0, keyup = 0, parity = 0;
+
+
+ /* Clock debouncing */
+ reg lastinclk = 0;
+ reg [6:0] debounce = 0;
+ reg fixedclk = 0;
+ reg [11:0] resetcountdown = 0;
+
+ reg [6:0] unshiftedrom [127:0]; initial $readmemh("scancodes.unshifted.hex", unshiftedrom);
+ reg [6:0] shiftedrom [127:0]; initial $readmemh("scancodes.shifted.hex", shiftedrom);
+
+ reg mod_lshift = 0;
+ reg mod_rshift = 0;
+ reg mod_capslock = 0;
+ wire mod_shifted = (mod_lshift | mod_rshift) ^ mod_capslock;
+
+ reg nd = 0;
+ reg lastnd = 0;
+
+ always @(posedge pixclk) begin
+ if (inclk != lastinclk) begin
+ lastinclk <= inclk;
+ debounce <= 1;
+ resetcountdown <= 12'b111111111111;
+ end else if (debounce == 0) begin
+ fixedclk <= inclk;
+ resetcountdown <= resetcountdown - 1;
+ end else
+ debounce <= debounce + 1;
+
+ if (nd ^ lastnd) begin
+ lastnd <= nd;
+ wr <= 1;
+ end else
+ wr <= 0;
+ end
+
+ always @(negedge fixedclk) begin
+ if (resetcountdown == 0)
+ bitcount <= 0;
+ else if (bitcount == 10) begin
+ bitcount <= 0;
+ if(parity != (^ key)) begin
+ if(keyarrow) begin
+ casex(key)
+ 8'hF0: keyup <= 1;
+ 8'hxx: keyarrow <= 0;
+ endcase
+ end
+ else begin
+ if(keyup) begin
+ keyup <= 0;
+ keyarrow <= 0;
+ casex (key)
+ 8'h12: mod_lshift <= 0;
+ 8'h59: mod_rshift <= 0;
+ endcase
+ // handle this? I don't fucking know
+ end
+ else begin
+ casex(key)
+ 8'hE0: keyarrow <= 1; // handle these? I don't fucking know
+ 8'hF0: keyup <= 1;
+ 8'h12: mod_lshift <= 1;
+ 8'h59: mod_rshift <= 1;
+ 8'h14: mod_capslock <= ~mod_capslock;
+ 8'b0xxxxxxx: begin nd <= ~nd; data <= mod_shifted ? shiftedrom[key] : unshiftedrom[key]; end
+ 8'b1xxxxxxx: begin /* AAAAAAASSSSSSSS */ end
+ endcase
+ end
+ end
+ end
+ else begin
+ keyarrow <= 0;
+ keyup <= 0;
+ end
+ end else
+ bitcount <= bitcount + 1;
+
+ case(bitcount)
+ 1: key[0] <= indata;
+ 2: key[1] <= indata;
+ 3: key[2] <= indata;
+ 4: key[3] <= indata;
+ 5: key[4] <= indata;
+ 6: key[5] <= indata;
+ 7: key[6] <= indata;
+ 8: key[7] <= indata;
+ 9: parity <= indata;
+ endcase
+ end
+
+endmodule
-NET "xtal" LOC="ah15" | CLOCK_DEDICATED_ROUTE = FALSE | TNM_NET = xtal;
-TIMESPEC "TS_xtal"=PERIOD "xtal" 100 MHz HIGH 50%;
-
-NET "dvi_d<11>" LOC="AN14" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<10>" LOC="AP14" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<9>" LOC="AB10" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<8>" LOC="AA10" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<7>" LOC="AN13" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<6>" LOC="AM13" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<5>" LOC="AA8" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<4>" LOC="AA9" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<3>" LOC="AP12" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<2>" LOC="AN12" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<1>" LOC="AC8" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_d<0>" LOC="AB8" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_xclk_p" LOC="AL11" | TNM="dvi_c" | IOSTANDARD=LVDCI_33;
-NET "dvi_xclk_n" LOC="AL10" | TNM="dvi_c" | IOSTANDARD=LVDCI_33;
-NET "dvi_hs" LOC="AM12" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_vs" LOC="AM11" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_de" LOC="AE8" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-NET "dvi_reset_b" LOC="AK6" | TNM="dvi_d" | IOSTANDARD=LVDCI_33;
-
-NET "dvi_scl" LOC="u27" | SLEW=fast | PULLUP;
-NET "dvi_sda" LOC="t29" | SLEW=fast | PULLUP;
-
-TIMESPEC "TS_dvi_setup" = FROM dvi_c TO dvi_d 500 ps;
-TIMESPEC "TS_dvi_hold" = FROM dvi_d TO dvi_c 500 ps;
-
-NET "rst" LOC="E9";
-NET "rstact" LOC="F6";
-
-NET "ps2c" LOC="T26" | CLOCK_DEDICATED_ROUTE = FALSE;
-NET "ps2d" LOC="T25";
+NET "xtal" LOC="B8" | CLOCK_DEDICATED_ROUTE = FALSE | TNM_NET = xtal;
+TIMESPEC "TS_xtal"=PERIOD "xtal" 50 MHz HIGH 50%;
+//NET "coreclk" TNM = coreclk;
+
+//TIMESPEC TSctl = FROM coreclk TO CR_CTL 5ns;
+//TIMESPEC TSdatao = FROM coreclk TO CR_DATA 5ns;
+//TIMESPEC TSdatai = FROM CR_DATA TO coreclk 5ns;
+//TIMESPEC TSaddr = FROM coreclk TO CR_ADDR 5ns;
+
+NET "cr_nADV" LOC="J4" | SLEW="fast" | TNM = CR_CTL;
+NET "cr_nCE" LOC="R6" | SLEW="fast" | TNM = CR_CTL;
+NET "cr_nOE" LOC="T2" | SLEW="fast" | TNM = CR_CTL;
+NET "cr_nWE" LOC="N7" | SLEW="fast" | TNM = CR_CTL;
+NET "cr_CRE" LOC="P7" | SLEW="fast" | TNM = CR_CTL;
+NET "cr_nLB" LOC="K5" | SLEW="fast" | TNM = CR_CTL;
+NET "cr_nUB" LOC="K4" | SLEW="fast" | TNM = CR_CTL;
+NET "cr_CLK" LOC="H5" | SLEW="fast" | TNM = CR_CTL;
+
+NET "cr_DQ<0>" LOC="L1" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<1>" LOC="L4" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<2>" LOC="L6" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<3>" LOC="M4" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<4>" LOC="N5" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<5>" LOC="P1" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<6>" LOC="P2" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<7>" LOC="R2" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<8>" LOC="L3" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<9>" LOC="L5" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<10>" LOC="M3" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<11>" LOC="M6" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<12>" LOC="L2" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<13>" LOC="N4" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<14>" LOC="R3" | SLEW="fast" | TNM = CR_DATA;
+NET "cr_DQ<15>" LOC="T1" | SLEW="fast" | TNM = CR_DATA;
+
+NET "cr_A<0>" LOC="J1" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<1>" LOC="J2" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<2>" LOC="H4" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<3>" LOC="H1" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<4>" LOC="H2" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<5>" LOC="J5" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<6>" LOC="H3" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<7>" LOC="H6" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<8>" LOC="F1" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<9>" LOC="G3" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<10>" LOC="G6" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<11>" LOC="G5" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<12>" LOC="G4" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<13>" LOC="F2" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<14>" LOC="E1" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<15>" LOC="M5" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<16>" LOC="E2" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<17>" LOC="C2" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<18>" LOC="C1" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<19>" LOC="D2" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<20>" LOC="K3" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<21>" LOC="D1" | SLEW="fast" | TNM = CR_ADDR;
+NET "cr_A<22>" LOC="K6" | SLEW="fast" | TNM = CR_ADDR;
+NET "st_nCE" LOC="R5" | SLEW="fast" | TNM = CR_CTL;
+
+NET "vs" LOC = "u3" |SLEW = "fast";
+NET "hs" LOC = "t4" |SLEW = "fast";
+NET "r<2>" LOC = "r8";
+NET "r<1>" LOC = "t8";
+NET "r<0>" LOC = "r9";
+NET "g<2>" LOC = "p6";
+NET "g<1>" LOC = "p8";
+NET "g<0>" LOC = "n8";
+NET "b<1>" LOC = "u4";
+NET "b<0>" LOC = "u5";
+
+NET "rst" LOC="H13";
+NET "rstact" LOC="J14";
+
+NET "ps2c" LOC="R12" | CLOCK_DEDICATED_ROUTE = FALSE;
+NET "ps2d" LOC="P11";
+
-ifmt mixed
-ofn FireARM
-ofmt NGC
--p xc5vlx110t-1-ff1136
+-p xc3s1200e-5-fg320
-top Console
-opt_mode Speed
-opt_level 1
TARGET = FireARM
-VLOGS = Console.v \
+VLOGS = Console.nexys2.v \
../ARM_Constants.v \
../BigBlockRAM.v \
../BlockRAM.v \
+ ../CellularRAM.v \
../BusArbiter.v \
../DCache.v \
../Decode.v \
-g Match_cycle:2 \
-g DriveDone:No
-fpga_target: $(TARGET).bit
+fpga_target: $(TARGET).svf
$(TARGET).ngc: $(TARGET).xst $(VLOGS_ALL)
@mkdir -p xst/projnav.tmp
netgen -ofmt verilog -w -dir sim $<
$(TARGET).ngd: $(TARGET).ngc $(TARGET).ucf
- ngdbuild -dd _ngo -uc $(TARGET).ucf -nt timestamp -p xc5vlx110t-ff1136-1 "$(TARGET).ngc" $(TARGET).ngd
+ ngdbuild -dd _ngo -uc $(TARGET).ucf -nt timestamp -p xc3s1200e-fg320-5 "$(TARGET).ngc" $(TARGET).ngd
$(TARGET)_map.ncd: $(TARGET).ngd
- map -w -p xc5vlx110t-ff1136-1 -cm area -pr off -k 4 -c 100 -o $(TARGET)_map.ncd $(TARGET).ngd $(TARGET).pcf
+ map -w -p xc3s1200e-fg320-5 -cm area -pr off -k 4 -c 100 -o $(TARGET)_map.ncd $(TARGET).ngd $(TARGET).pcf
$(TARGET).ncd: $(TARGET)_map.ncd
par -w -ol std -t 1 $(TARGET)_map.ncd $(TARGET).ncd $(TARGET).pcf