diff --git a/README.md b/README.md
index fe930a7..758c36b 100644
--- a/README.md
+++ b/README.md
@@ -81,7 +81,7 @@ on the emulator image.
- the [Hackaday project](https://hackaday.io/project/198324-tridora-cpu) (mostly copy-paste from this README)
- the [YouTube channel](https://www.youtube.com/@tridoracpu/videos) with some demo videos
- the [emulator](https://git.insignificance.de/slederer/-/packages/generic/tridoraemu/0.0.5/files/12) (source and windows binary)
-- the [FPGA bitstream](https://git.insignificance.de/slederer/-/packages/generic/tdr-bitstream/0.0.4/files/16) for the Arty-A7-35T board
+- the [FPGA bitstream](https://git.insignificance.de/slederer/-/packages/generic/tdr-bitstream/0.0.3/files/15) for the Arty-A7-35T board
- an [SD-card image](https://git.insignificance.de/slederer/-/packages/generic/tdr-cardimage/0.0.4/files/13)
Contact the author here: tridoracpu [at] insignificance.de
diff --git a/examples/fastfire.inc b/examples/fastfire.inc
deleted file mode 100644
index bf0dce6..0000000
--- a/examples/fastfire.inc
+++ /dev/null
@@ -1,5 +0,0 @@
-const FIREWIDTH = 319; FIREHEIGHT = 79; (* keep in sync with fastfire.s! *)
-type FireBuf = array [0..FIREHEIGHT, 0..FIREWIDTH] of integer;
-
-procedure FastFireUpdate(var f:FireBuf); external;
-procedure FastFireDraw(var f:FireBuf;screenx, screeny:integer); external;
diff --git a/examples/fastfire.s b/examples/fastfire.s
deleted file mode 100644
index f0e10e4..0000000
--- a/examples/fastfire.s
+++ /dev/null
@@ -1,326 +0,0 @@
- ; width and height of the fire cell matrix
- ; Be sure to sync this with fastfire.inc!
- .EQU FIREWIDTH 319
- .EQU FIREHEIGHT 79
-
- ;
- ; The cell matrix actually has one column
- ; and one row more than FIREWIDTH and
- ; FIREHEIGHT to handle the negative
- ; X offsets when calculating new
- ; cell values.
- ; Likewise, there is one more row.
- ; So rows are processed from 0 to FIREHEIGHT - 2
- ; and columms from 1 to FIREWIDTH - 1.
-
- ; cells considered for calculating new
- ; value for cell O (reference cells):
- ; .....O......
- ; ....123.....
- ; .....4......
-
-; args: pointer to fire cell buffer
- .EQU FF_ROW_COUNT 0
- .EQU FF_COL_COUNT 4
- .EQU FF_ROW_OFFS 8
- .EQU FF_OFFS1 12
- .EQU FF_OFFS2 16
- .EQU FF_OFFS3 20
- .EQU FF_OFFS4 24
- .EQU FF_CELL_PTR 28
- .EQU FF_FS 32
-FASTFIREUPDATE:
- FPADJ -FF_FS
- STORE FF_CELL_PTR
- LOADC FIREHEIGHT-1
- STORE FF_ROW_COUNT
-
- ; calculate offsets for reference cells
- LOADC FIREWIDTH+1
- SHL 2
- DUP
- STORE FF_ROW_OFFS ; offset to next row: WIDTH*4
- DEC 4 ; offset to cell 1: row offset - 4
- DUP
- STORE FF_OFFS1
- INC 4
- DUP
- STORE FF_OFFS2 ; offset to cell 2: + 4
- INC 4
- STORE FF_OFFS3 ; offset to cell 3: + 4
- LOAD FF_ROW_OFFS
- SHL 1 ; offset to cell 4: row offset * 2
- STORE FF_OFFS4
-
- ; start at column 1
- LOAD FF_CELL_PTR
- INC 4
- STORE FF_CELL_PTR
-FF_ROW:
- LOADC FIREWIDTH-1
- STORE FF_COL_COUNT
-
-FF_COL:
- LOAD FF_CELL_PTR
- LOAD FF_OFFS1
- ADD
- LOADI
-
- LOAD FF_CELL_PTR
- LOAD FF_OFFS2
- ADD
- LOADI
-
- LOAD FF_CELL_PTR
- LOAD FF_OFFS3
- ADD
- LOADI
-
- LOAD FF_CELL_PTR
- LOAD FF_OFFS4
- ADD
- LOADI
-
- ADD
- ADD
- ADD
-
- SHR
- SHR
-
- ; if new cell value > 0, subtract 1 to cool down
- DUP
- CBRANCH.Z FF_SKIP
- DEC 1
-FF_SKIP:
- LOAD FF_CELL_PTR ; load cell ptr
- SWAP ; swap with new value
- STOREI 4 ; store with postincrement
- STORE FF_CELL_PTR ; save new ptr value
-
- LOAD FF_COL_COUNT ; decrement column count
- DEC 1
- DUP
- STORE FF_COL_COUNT
- CBRANCH.NZ FF_COL ; loop if col count <> 0
-
- ; at the end of a row, go to next row
- ; by adding 8 to the cell pointer,
- ; skipping the first cell of the next row
- LOAD FF_CELL_PTR
- INC 8
- STORE FF_CELL_PTR
-
- LOAD FF_ROW_COUNT ; decrement row count
- DEC 1
- DUP
- STORE FF_ROW_COUNT
- CBRANCH.NZ FF_ROW ; loop if row count <> 0
-
-FF_EXIT:
- FPADJ FF_FS
- RET
-
-; framebuffer controller registers
- .EQU FB_RA $900
- .EQU FB_WA $901
- .EQU FB_IO $902
- .EQU FB_PS $903
- .EQU FB_PD $904
- .EQU FB_CTL $905
- .EQU WORDS_PER_LINE 80
-
-; fire width in vmem words (strict left-to-right evaluation)
- .EQU FFD_ROW_WORDS 1 + FIREWIDTH / 8
-
-; draw all fire cells
-; args: pointer to fire cell buffer, screen x, screen y
- .EQU FFD_CELL_PTR 0
- .EQU FFD_X 4
- .EQU FFD_Y 8
- .EQU FFD_ROW_COUNT 12
- .EQU FFD_ROW_WORDCOUNT 16
- .EQU FFD_VMEM_PTR 20
- .EQU FFD_FS 24
-FASTFIREDRAW:
- FPADJ -FFD_FS
- STORE FFD_Y
- STORE FFD_X
- STORE FFD_CELL_PTR
-
- ; calculate video memory addr
- ; addr = y * 80 + X / 8
- LOAD FFD_Y
- SHL 2 ; y * 16
- SHL 2
- DUP
- SHL 2 ; + y * 64
- ADD ; = y * 80
-
- LOAD FFD_X
- SHR
- SHR
- SHR
- ADD ; + x / 8
-
- DUP
- STORE FFD_VMEM_PTR
- LOADC FB_WA ; set vmem write address
- SWAP
- STOREI
- DROP
-
- LOADC FIREHEIGHT + 1
- STORE FFD_ROW_COUNT
-FFD_ROW:
- LOADC FFD_ROW_WORDS
- STORE FFD_ROW_WORDCOUNT
-
- LOADC FB_WA ; set vmem write address
- LOAD FFD_VMEM_PTR
- STOREI
- DROP
-
-FFD_WORD:
- LOAD FFD_CELL_PTR ; load cell ptr
- LOADC 0 ; vmem word, start with 0
-
- ; leftmost pixel (0)
- OVER ; [ cptr, vmemw, cptr ]
- LOADI ; load cell value [ cptr, vmemw, cellval ]
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR ; [ cptr, vmemw, cellval shr 3 ]
- OR ; [ cptr, vmemw ]
- SWAP ; [ vmemw, cptr ]
- INC 4 ; increment cell ptr on stack [ vmemw, cptr + 4 ]
- SWAP ; [ cptr + 4, vmemw ]
-
- SHL 2 ; move bits to left for next pixel
- SHL 2
-
- ; pixel 1
- OVER
- LOADI ; load cell value
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR
- OR
- SWAP
- INC 4 ; increment cell ptr on stack
- SWAP
-
- SHL 2 ; move bits to left for next pixel
- SHL 2
-
- ; pixel 2
- OVER
- LOADI ; load cell value
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR
- OR
- SWAP
- INC 4 ; increment cell ptr on stack
- SWAP
-
- SHL 2 ; move bits to left for next pixel
- SHL 2
-
- ; pixel 3
- OVER
- LOADI ; load cell value
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR
- OR
- SWAP
- INC 4 ; increment cell ptr on stack
- SWAP
-
- SHL 2 ; move bits to left for next pixel
- SHL 2
-
- ; pixel 4
- OVER
- LOADI ; load cell value
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR
- OR
- SWAP
- INC 4 ; increment cell ptr on stack
- SWAP
-
- SHL 2 ; move bits to left for next pixel
- SHL 2
-
- ; pixel 5
- OVER
- LOADI ; load cell value
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR
- OR
- SWAP
- INC 4 ; increment cell ptr on stack
- SWAP
-
- SHL 2 ; move bits to left for next pixel
- SHL 2
-
- ; pixel 6
- OVER
- LOADI ; load cell value
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR
- OR
- SWAP
- INC 4 ; increment cell ptr on stack
- SWAP
-
- SHL 2 ; move bits to left for next pixel
- SHL 2
-
- ; pixel 7
- OVER
- LOADI ; load cell value
- SHR ; scale it down (from 7 bits to 4)
- SHR
- SHR
- OR
- SWAP
- INC 4 ; increment cell ptr on stack
- SWAP
-
- ; store word to vmem
- ; vmem write addr will autoincrement
- LOADC FB_IO
- SWAP
- STOREI
- DROP
-
- STORE FFD_CELL_PTR
-
- ; prepare for next word
- LOAD FFD_ROW_WORDCOUNT
- DEC 1
- DUP
- STORE FFD_ROW_WORDCOUNT
- CBRANCH.NZ FFD_WORD
-
- ; prepare for next row
- LOAD FFD_VMEM_PTR
- LOADC WORDS_PER_LINE
- ADD
- STORE FFD_VMEM_PTR
-
- LOAD FFD_ROW_COUNT
- DEC 1
- DUP
- STORE FFD_ROW_COUNT
- CBRANCH.NZ FFD_ROW
-FFD_EXIT:
- FPADJ FFD_FS
- RET
diff --git a/examples/fire.pas b/examples/fire.pas
deleted file mode 100644
index 22f0217..0000000
--- a/examples/fire.pas
+++ /dev/null
@@ -1,76 +0,0 @@
-{$H1}
-{$S2}
-program fire;
-const MAXX = 30;
- MAXY = 50;
-var firebuf: array [0..MAXY, 0..MAXX] of integer;
-
- firepalette: array [0..15] of integer =
- ( $FFA, $FF8, $FF4, $FF0, $FE0, $FD0, $FA0, $F90,
- $F00, $E00, $D00, $A00, $800, $600, $300, $000);
- x,y:integer;
-
-procedure createPalette;
-var i:integer;
-begin
- for i := 15 downto 0 do
- setpalette(15 - i, firepalette[i]);
-end;
-
-procedure fireItUp;
-var x,y:integer;
-begin
- y := MAXY - 1;
- for x := 1 to MAXX - 1 do
- firebuf[y, x] := random and 127;
-end;
-
-procedure updateFire;
-var i,x,y:integer;
-begin
- for y := 0 to MAXY - 2 do
- for x := 1 to MAXX - 1 do
- begin
- i :=
- ((firebuf[y + 1, x - 1]
- + firebuf[y + 1, x]
- + firebuf[y + 1, x + 1]
- + firebuf[y + 2, x])
- ) shr 2;
- if i > 0 then
- i := i - 1;
- firebuf[y, x] := i;
- end;
-end;
-
-procedure drawFire;
-var x, y, col:integer;
-begin
- for y := 0 to MAXY - 1 do
- begin
- x := 0;
- for col in firebuf[y] do
- begin
- putpixel(300 + x, 150 + y, col shr 3);
- x := x + 1;
- end;
- end;
-end;
-
-begin
- randomize;
- initgraphics;
- createPalette;
- while not conavail do
- begin
- fireItUp;
- updateFire;
- drawFire;
- end;
-
- for y := 0 to MAXY do
- begin
- x := firebuf[y, 10];
- drawline(0, y, x, y, 1);
- end;
-end.
diff --git a/examples/fire2.pas b/examples/fire2.pas
deleted file mode 100644
index 72fb254..0000000
--- a/examples/fire2.pas
+++ /dev/null
@@ -1,84 +0,0 @@
-{$H1}
-{$S1}
-program fire2;
-uses fastfire;
-
-const MAXX = FIREWIDTH;
- MAXY = FIREHEIGHT;
-
-var firecells: FireBuf;
-
- firepalette: array [0..15] of integer =
- { ( $FFA, $FF8, $FF4, $FF0, $FE0, $FD0, $FA0, $F90,
- $F00, $E00, $D00, $A00, $800, $600, $300, $000); }
- ( $FFA, $FFA, $FFA, $FFA, $FF0, $FF0, $FF0, $FF0,
- $FF0, $FD0, $FA0, $C00, $A00, $700, $400, $000);
- x,y:integer;
-
-procedure createPalette;
-var i:integer;
-begin
- for i := 15 downto 0 do
- setpalette(15 - i, firepalette[i]);
-end;
-
-procedure fireItUp;
-var x,y:integer;
-begin
- y := MAXY - 1;
- for x := 1 to MAXX - 1 do
- firecells[y, x] := random and 127;
-end;
-
-
-procedure updateFire;
-var i,x,y:integer;
-begin
- for y := 0 to MAXY - 2 do
- for x := 1 to MAXX - 1 do
- begin
- i :=
- ((firecells[y + 1, x - 1]
- + firecells[y + 1, x]
- + firecells[y + 1, x + 1]
- + firecells[y + 2, x])
- ) shr 2;
- if i > 0 then
- i := i - 1;
- firecells[y, x] := i;
- end;
-end;
-
-procedure drawFire;
-var x, y, col:integer;
-begin
- for y := 0 to MAXY - 1 do
- begin
- x := 0;
- for col in firecells[y] do
- begin
- putpixel(100 + x, 150 + y, col shr 3);
- x := x + 1;
- end;
- end;
-end;
-
-begin
- randomize;
- initgraphics;
- createPalette;
- while not conavail do
- begin
- fireItUp;
- FastFireUpdate(firecells);
- { updateFire; }
- FastFireDraw(firecells, 160, 100);
- { drawFire; }
- end;
-
- for y := 0 to MAXY do
- begin
- x := firecells[y, 10];
- drawline(0, y, x, y, 1);
- end;
-end.
diff --git a/pcomp/emit.pas b/pcomp/emit.pas
index d440951..a201714 100644
--- a/pcomp/emit.pas
+++ b/pcomp/emit.pas
@@ -324,9 +324,7 @@ begin
rewindStringList(usedUnits);
while nextStringListItem(usedUnits, unitName) do
emitInclude(unitName + UnitSuffix2);
- (* _END label needs to be word-aligned because
- it is used as the start of the heap *)
- emitIns('.ALIGN');
+
emitLabelRaw('_END');
end;
diff --git a/pcomp/sasm.pas b/pcomp/sasm.pas
index d032748..1858f11 100644
--- a/pcomp/sasm.pas
+++ b/pcomp/sasm.pas
@@ -2056,9 +2056,6 @@ begin
operandValue := 0;
emitBlock(count, operandValue);
end
- else
- if lastToken.tokenText = '.ALIGN' then
- alignOutput(wordSize)
else
errorExit2('Unrecognized directive', lastToken.tokenText);
end;
diff --git a/progs/xfer.pas b/progs/xfer.pas
index 0d871d2..13a7cc2 100644
--- a/progs/xfer.pas
+++ b/progs/xfer.pas
@@ -226,7 +226,6 @@ begin
if not invalid then
begin
open(xferFile, filename, ModeOverwrite);
- blockNo := 0;
done := false;
repeat
serReadBlock(ok);
diff --git a/tridoracpu/tridoracpu.srcs/Arty-A7-35-Master.xdc b/tridoracpu/tridoracpu.srcs/Arty-A7-35-Master.xdc
index d2c3160..2a33ae0 100644
--- a/tridoracpu/tridoracpu.srcs/Arty-A7-35-Master.xdc
+++ b/tridoracpu/tridoracpu.srcs/Arty-A7-35-Master.xdc
@@ -8,8 +8,8 @@ set_property -dict {PACKAGE_PIN E3 IOSTANDARD LVCMOS33} [get_ports clk]
create_clock -period 10.000 -name sys_clk_pin -waveform {0.000 5.000} -add [get_ports clk]
## Switches
-#set_property -dict {PACKAGE_PIN A8 IOSTANDARD LVCMOS33} [get_ports sw0]
-#set_property -dict {PACKAGE_PIN C11 IOSTANDARD LVCMOS33} [get_ports sw1]
+set_property -dict {PACKAGE_PIN A8 IOSTANDARD LVCMOS33} [get_ports sw0]
+set_property -dict {PACKAGE_PIN C11 IOSTANDARD LVCMOS33} [get_ports sw1]
#set_property -dict { PACKAGE_PIN C10 IOSTANDARD LVCMOS33 } [get_ports { sw[2] }]; #IO_L13N_T2_MRCC_16 Sch=sw[2]
#set_property -dict { PACKAGE_PIN A10 IOSTANDARD LVCMOS33 } [get_ports { sw[3] }]; #IO_L14P_T2_SRCC_16 Sch=sw[3]
@@ -34,7 +34,7 @@ set_property -dict {PACKAGE_PIN T9 IOSTANDARD LVCMOS33} [get_ports led2]
set_property -dict {PACKAGE_PIN T10 IOSTANDARD LVCMOS33} [get_ports led3]
## Buttons
-#set_property -dict {PACKAGE_PIN D9 IOSTANDARD LVCMOS33} [get_ports btn0]
+set_property -dict {PACKAGE_PIN D9 IOSTANDARD LVCMOS33} [get_ports btn0]
#set_property -dict { PACKAGE_PIN C9 IOSTANDARD LVCMOS33 } [get_ports { btn1 }]; #IO_L11P_T1_SRCC_16 Sch=btn[1]
#set_property -dict { PACKAGE_PIN B9 IOSTANDARD LVCMOS33 } [get_ports { btn[2] }]; #IO_L11N_T1_SRCC_16 Sch=btn[2]
#set_property -dict { PACKAGE_PIN B8 IOSTANDARD LVCMOS33 } [get_ports { btn[3] }]; #IO_L12P_T1_MRCC_16 Sch=btn[3]
diff --git a/tridoracpu/tridoracpu.srcs/stackcpu.v b/tridoracpu/tridoracpu.srcs/stackcpu.v
index 1d929f7..33b58ec 100644
--- a/tridoracpu/tridoracpu.srcs/stackcpu.v
+++ b/tridoracpu/tridoracpu.srcs/stackcpu.v
@@ -16,11 +16,11 @@ module stackcpu #(parameter ADDR_WIDTH = 32, WIDTH = 32,
output wire write_enable,
input wire mem_wait,
- output wire debug1,
- output wire debug2,
- output wire debug3
+ output wire led1,
+ output wire led2,
+ output wire led3
);
-
+
localparam EVAL_STACK_INDEX_WIDTH = 6;
wire reset = !rst;
@@ -90,6 +90,7 @@ module stackcpu #(parameter ADDR_WIDTH = 32, WIDTH = 32,
wire mem_write;
wire x_is_zero;
+ // wire [WIDTH-1:0] y_plus_operand = Y + operand;
wire x_equals_y = X == Y;
wire y_lessthan_x = $signed(Y) < $signed(X);
@@ -104,10 +105,16 @@ module stackcpu #(parameter ADDR_WIDTH = 32, WIDTH = 32,
assign write_enable = mem_write_enable;
// debug output ------------------------------------------------------------------------------------
- assign debug1 = reset;
- assign debug2 = ins_loadc;
- assign debug3 = ins_branch;
-
+ assign led1 = reset;
+ assign led2 = ins_loadc;
+ assign led3 = ins_branch;
+// assign debug_out1 = { mem_read_enable, mem_write_enable, x_is_zero,
+// ins_branch, ins_aluop, y_lessthan_x, x_equals_y, {7{1'b0}}, seq_state};
+// assign debug_out2 = data_in;
+// assign debug_out3 = nX;
+// assign debug_out4 = nPC;
+// assign debug_out5 = ins;
+// assign debug_out6 = IV;
//--------------------------------------------------------------------------------------------------
// instruction decoding
diff --git a/tridoracpu/tridoracpu.srcs/tdraudio.v b/tridoracpu/tridoracpu.srcs/tdraudio.v
index 1629e31..0cc055e 100644
--- a/tridoracpu/tridoracpu.srcs/tdraudio.v
+++ b/tridoracpu/tridoracpu.srcs/tdraudio.v
@@ -7,7 +7,7 @@ module wavegen #(DATA_WIDTH=32, CLOCK_DIV_WIDTH=22,
input wire reset,
input wire [1:0] reg_sel,
output wire [DATA_WIDTH-1:0] rd_data,
- input wire [AMP_WIDTH-1:0] wr_data,
+ input wire [DATA_WIDTH-1:0] wr_data,
input wire rd_en,
input wire wr_en,
@@ -20,9 +20,6 @@ module wavegen #(DATA_WIDTH=32, CLOCK_DIV_WIDTH=22,
localparam TDRAU_REG_CLK = 1; /* clock divider register */
localparam TDRAU_REG_AMP = 2; /* amplitude (volume) register */
- /* avoid warning about unconnected port */
- (* keep="soft" *) wire _unused = rd_en;
-
reg channel_enable;
reg [CLOCK_DIV_WIDTH-1:0] clock_div;
reg [CLOCK_DIV_WIDTH-1:0] div_count;
@@ -32,12 +29,12 @@ module wavegen #(DATA_WIDTH=32, CLOCK_DIV_WIDTH=22,
wire fifo_wr_en;
wire fifo_rd_en, fifo_full, fifo_empty;
- wire [AMP_WIDTH-1:0] fifo_rd_data;
+ wire [DATA_WIDTH-1:0] fifo_rd_data;
fifo #(.ADDR_WIDTH(4), .DATA_WIDTH(16)) sample_buf(
clk, reset,
fifo_wr_en, fifo_rd_en,
- wr_data[AMP_WIDTH-1:0], fifo_rd_data,
+ wr_data, fifo_rd_data,
fifo_full,
fifo_empty
);
@@ -169,14 +166,9 @@ module tdraudio #(DATA_WIDTH=32) (
localparam AMP_BIAS = 32768;
localparam DAC_WIDTH = 18;
- /* avoid warning about unconnected port */
- (* keep="soft" *) wire [DATA_WIDTH-1:AMP_WIDTH] _unused = wr_data[DATA_WIDTH-1:AMP_WIDTH];
-
wire [4:0] chan_sel = io_addr[6:2];
wire [1:0] reg_sel = io_addr[1:0];
- wire [AMP_WIDTH-1:0] amp_wr_data = wr_data[AMP_WIDTH-1:0];
-
wire [AMP_WIDTH-1:0] chan0_amp;
wire [DATA_WIDTH-1:0] chan0_rd_data;
wire chan0_running;
@@ -218,25 +210,25 @@ module tdraudio #(DATA_WIDTH=32) (
{DATA_WIDTH{1'b1}};
wavegen chan0(clk, reset, reg_sel,
- chan0_rd_data, amp_wr_data,
+ chan0_rd_data, wr_data,
chan0_rd_en, chan0_wr_en,
chan0_amp,
chan0_running, chan0_irq);
wavegen chan1(clk, reset, reg_sel,
- chan1_rd_data, amp_wr_data,
+ chan1_rd_data, wr_data,
chan1_rd_en, chan1_wr_en,
chan1_amp,
chan1_running, chan1_irq);
wavegen chan2(clk, reset, reg_sel,
- chan2_rd_data, amp_wr_data,
+ chan2_rd_data, wr_data,
chan2_rd_en, chan2_wr_en,
chan2_amp,
chan2_irq, chan2_running);
wavegen chan3(clk, reset, reg_sel,
- chan3_rd_data, amp_wr_data,
+ chan3_rd_data, wr_data,
chan3_rd_en, chan3_wr_en,
chan3_amp,
chan3_running, chan3_irq);
diff --git a/tridoracpu/tridoracpu.srcs/top.v b/tridoracpu/tridoracpu.srcs/top.v
index a4533d2..6a70ef0 100644
--- a/tridoracpu/tridoracpu.srcs/top.v
+++ b/tridoracpu/tridoracpu.srcs/top.v
@@ -15,6 +15,9 @@
module top(
input wire clk,
input wire rst,
+ input wire btn0,
+ input wire sw0,
+ input wire sw1,
output wire led0,
output wire led1,
output wire led2,
@@ -226,15 +229,6 @@ module top(
assign uart_rd_data = { {WIDTH-10{1'b1}}, uart_rx_avail, uart_tx_busy, uart_rx_data };
wire audio_irq;
-
- buart #(.CLKFREQ(`clkfreq)) uart0(`clock, rst,
- uart_baud,
- uart_txd_in, uart_rxd_out,
- uart_rx_clear, uart_tx_en,
- uart_rx_avail, uart_tx_busy,
- uart_tx_data, uart_rx_data);
-
- // audio controller
`ifdef ENABLE_TDRAUDIO
wire [WIDTH-1:0] tdraudio_wr_data;
wire [WIDTH-1:0] tdraudio_rd_data;
@@ -279,6 +273,13 @@ module top(
`endif
-1;
+ buart #(.CLKFREQ(`clkfreq)) uart0(`clock, rst,
+ uart_baud,
+ uart_txd_in, uart_rxd_out,
+ uart_rx_clear, uart_tx_en,
+ uart_rx_avail, uart_tx_busy,
+ uart_tx_data, uart_rx_data);
+
// CPU -----------------------------------------------------------------
stackcpu cpu0(.clk(`clock), .rst(rst), .irq(irq),
.addr(mem_addr),
@@ -286,7 +287,7 @@ module top(
.read_ins(dram_read_ins),
.data_out(mem_write_data), .write_enable(mem_write_enable),
.mem_wait(mem_wait),
- .debug1(led1), .debug2(led2), .debug3(led3));
+ .led1(led1), .led2(led2), .led3(led3));
// Interrupt Controller
irqctrl irqctrl0(`clock, irq_in, irqc_cs, mem_write_enable,
diff --git a/tridoracpu/tridoracpu.xpr b/tridoracpu/tridoracpu.xpr
index a9dc20f..3767063 100644
--- a/tridoracpu/tridoracpu.xpr
+++ b/tridoracpu/tridoracpu.xpr
@@ -378,19 +378,30 @@
-
+
-
- Default settings for Implementation.
+
+ Similar to Performance_ExplorePostRoutePhysOpt, but enables logic optimization step (opt_design) with the ExploreWithRemap directive.
-
+
+
+
-
+
+
+
-
-
-
+
+
+
+
+
+
+
+
+
+
diff --git a/utils/serload.py b/utils/serload.py
index e69837f..6ccc4a6 100644
--- a/utils/serload.py
+++ b/utils/serload.py
@@ -16,7 +16,6 @@
# limitations under the License.
import sys
-import os
import serial
import time
import random
@@ -42,6 +41,30 @@ def get_default_device():
return '/dev/ttyUSB1'
+def serwrite_slow(databytes, ser):
+ total = len(data)
+ count = 1
+ for d in data:
+ sys.stdout.write("writing {0:02x} {1:04d}/{2:04d}\r".format(ord(d), count, total))
+ ser.write(bytes(d,"utf8"))
+ count += 1
+ time.sleep(0.020)
+ print()
+
+
+def serwrite(datafile, ser):
+ with open(datafile) as f:
+ data = f.read()
+ total = len(data)
+ count = 1
+ for d in data:
+ sys.stdout.write("writing {0:02x} {1:04d}/{2:04d}\r".format(ord(d), count, total))
+ ser.write(bytes(d,"utf8"))
+ count += 1
+ time.sleep(0.020)
+ print()
+
+
def checksum(databytes):
i = 0
cksum = 0
@@ -62,26 +85,10 @@ def sendchar(char, ser):
ser.write(char.to_bytes(1, 'big'))
-def sendcommand(ser, cmd=b'L', verbose=False):
- verbose = True
+def sendcommand(ser, cmd=b'L'):
ser.write(cmd)
resp = ser.read_until()
- if verbose:
- print(cmd,"sent, response:", str(resp))
- return resp
-
-
-# send command and wait for echo
-def commandwait(ser, cmd):
- resp = sendcommand(ser, cmd, verbose=False)
- if len(resp) == 0:
- print("timeout sending '{}' command".format(cmd))
- return None
-
- if resp != bytearray(cmd + b"\r\n"):
- print("invalid response to '{}' command".format(cmd))
- return None
-
+ print(cmd,"sent, response:", str(resp))
return resp
@@ -146,8 +153,6 @@ def serload_bin(datafile, ser):
data += bytearray(pad)
- print("{} total blocks".format((len(data) + blocksize - 1) // blocksize))
-
if not send_size_header(ser, filesize):
print("Error sending size header.")
return
@@ -274,8 +279,18 @@ def serdownload(fname, ser):
def mput(filenames, ser):
for f in filenames:
- resp = set_filename(f, ser)
- if resp is None:
+ f_encoded = f.encode('utf8')
+ print("Setting filename", f)
+ resp = sendcommand(ser, b'S')
+ if len(resp) == 0:
+ print("timeout sending 'S' command")
+ return
+ if resp != b'S\r\n' and resp != b'> S\r\n':
+ print("unrecognized response to 'S' command, aborting")
+ return
+ resp = sendcommand(ser, f_encoded + b'\r')
+ if not f_encoded in resp:
+ print("unrecognized response to filename, aborting")
return
serload_bin(f, ser)
@@ -284,92 +299,12 @@ def mput(filenames, ser):
time.sleep(2)
-def set_filename(f, ser):
- f_encoded = f.encode('utf8')
- print("Setting filename", f)
- resp = commandwait(ser, b'S')
- if resp is None:
- return None
- resp = sendcommand(ser, f_encoded + b'\r')
- if not f_encoded in resp:
- print("unrecognized response to filename, aborting")
- return None
- return resp
-
-
-def getnamedfile(filename, ser):
- resp = set_filename(filename, ser)
- if resp is None:
- return None
- serdownload(filename, ser)
-
-
-def putnamedfile(filename, ser):
- resp = set_filename(filename, ser)
- if resp is None:
- return None
- serload_bin(filename, ser)
- print("Remote status:")
- showdata(ser)
-
-
-def showdata(ser):
-
- promptseen = False
-
- while not promptseen:
- c = ser.read(1)
- if c == b'>':
- promptseen = True
- else:
- print(c.decode('utf8'), end='')
- rest = ser.read(1)
-
-
-def localdir():
- result = os.walk(".")
- for dirpath, dirnames, filenames in os.walk("."):
- for f in filenames:
- print(f)
- break
-
-
-def interactive(ser):
- done = False
- while not done:
- args = input("> ").strip().split()
- if len(args) > 0:
- cmd = args[0]
- args.pop(0)
- if cmd == 'dir':
- if commandwait(ser, b'Y') is None:
- return
- showdata(ser)
- elif cmd == 'get':
- if len(args) > 1:
- print("exactly one argument required (filename)")
- else:
- getnamedfile(args[0], ser)
- elif cmd == 'put':
- if len(args) > 1:
- print("exactly one argument required (filename)")
- else:
- putnamedfile(args[0], ser)
- elif cmd == 'ldir':
- if len(args) > 0:
- print("superfluous argument")
- else:
- localdir()
- else:
- print("Unknown command. Valid commands are: dir get ldir put")
-
-
if __name__ == "__main__":
argparser = argparse.ArgumentParser(
description='transfer files from/to the Tridora-CPU')
argparser.add_argument('-d', '--device', help='serial device', default=get_default_device())
- argparser.add_argument('command', choices=['get', 'put', 'mput', 'interactive'])
- argparser.add_argument('filename', nargs='*')
+ argparser.add_argument('command', choices=['get', 'put', 'mput'])
+ argparser.add_argument('filename', nargs='+')
args = argparser.parse_args()
cmd = args.command
@@ -384,10 +319,8 @@ if __name__ == "__main__":
serload_bin(filenames[0], ser)
elif cmd == 'mput':
mput(filenames, ser)
- elif cmd == 'interactive':
- interactive(ser)
else:
print("should not get here")
- #if cmd is not None:
- # ser.close()
+ if cmd is not None:
+ ser.close()