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addi8 bepobebo

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This commit is contained in:
Bee 2023-11-15 18:44:11 -05:00
parent a1fbfe1188
commit 6abbabb7ec
9 changed files with 77 additions and 291 deletions
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2
holeybeepo.gprj.user
View file

@ -20,5 +20,5 @@
<ResultFile ResultFileType="RES.syn.report" ResultFilePath="impl/gwsynthesis/holeybeepo_syn.rpt.html"/> <ResultFile ResultFileType="RES.syn.report" ResultFilePath="impl/gwsynthesis/holeybeepo_syn.rpt.html"/>
<ResultFile ResultFileType="RES.syn.resource" ResultFilePath="impl/gwsynthesis/holeybeepo_syn_rsc.xml"/> <ResultFile ResultFileType="RES.syn.resource" ResultFilePath="impl/gwsynthesis/holeybeepo_syn_rsc.xml"/>
</ResultFileList> </ResultFileList>
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</UserConfig> </UserConfig>

63
src/beepo.v
View file

@ -1,7 +1,8 @@
`include "instructions.v" `include "instructions.v"
module Beepo #( module Beepo #(
parameter FREQ = 27_000_000 parameter FREQ = 27_000_000,
parameter UART_BAUD = 115200
) ( ) (
input i_clk, input i_clk,
input i_button1, input i_button1,
@ -37,10 +38,9 @@ module Beepo #(
reg [63:0] r_tick = 0; reg [63:0] r_tick = 0;
// UART tx // UART tx
reg [7:0] r_tx_data = 0; // reg [7:0] r_tx_data = 0;
reg [1:0] r_tx_block_ctrl = 2'b0; // reg r_tx_reset_n = 1;
reg r_tx_block = 0; // wire w_tx_ready;
wire w_tx_ready;
// Registers // Registers
reg [63:0] r_pc = PC_START; // program counter reg [63:0] r_pc = PC_START; // program counter
@ -53,13 +53,12 @@ module Beepo #(
reg [1:0] r_arg_index = 3; // the instruction index currently being fetched reg [1:0] r_arg_index = 3; // the instruction index currently being fetched
reg [3:0] r_arg_types [0:3]; // the types of each argument to be fetched reg [3:0] r_arg_types [0:3]; // the types of each argument to be fetched
reg [15:0] r_arg_types_packed = 0; // to be unpacked into r_arg_types reg [15:0] r_arg_types_packed = 0; // to be unpacked into r_arg_types
reg [2:0] r_arg_bytes = 0; // the number of bytes left to fetch for the current argument reg [2:0] r_arg_bytes = 0; // the number of bytes left to fetch for the current argument
reg [3:0] r_arg_current_type = 8; // the type of the current argument reg [3:0] r_arg_current_type = 8; // the type of the current argument
reg [5:0] r_arg_bit = 0; // the current lower bit index being fetched for the current argument reg [5:0] r_arg_bit = 0; // the current lower bit index being fetched for the current argument
wire [7:0] w_mem_fetch; wire [7:0] w_mem_fetch;
wire w_tx_send = w_tx_ready && r_tx_block;
genvar i; genvar i;
@ -69,12 +68,12 @@ module Beepo #(
end end
endgenerate endgenerate
always @(r_tx_block_ctrl) r_tx_block <= r_tx_block_ctrl[0] ^ r_tx_block_ctrl[1];
always @(posedge i_clk) r_tick <= r_tick + 1; always @(posedge i_clk) r_tick <= r_tick + 1;
// always @(r_registers[1]) r_tx_data <= r_registers[1];
always @(posedge i_clk) begin always @(posedge i_clk) begin
if (r_fetching) r_fetching <= r_fetching + 1; if (r_fetching) r_fetching <= r_fetching + 1;
else if (r_tx_block == 0) case (r_state) else case (r_state)
IDLE: begin IDLE: begin
r_pc_latch <= r_pc; r_pc_latch <= r_pc;
r_pc <= r_pc + 1; r_pc <= r_pc + 1;
@ -88,7 +87,9 @@ module Beepo #(
case (w_mem_fetch) case (w_mem_fetch)
`TX: r_arg_types_packed = `TX_ARGS; `TX: r_arg_types_packed = `TX_ARGS;
`NOP: r_arg_types_packed = `NOP_ARGS;
`ADD8: r_arg_types_packed = `ADD8_ARGS; `ADD8: r_arg_types_packed = `ADD8_ARGS;
`ADDI8: r_arg_types_packed = `ADDI8_ARGS;
`LI8: r_arg_types_packed = `LI8_ARGS; `LI8: r_arg_types_packed = `LI8_ARGS;
default: r_arg_types_packed = {ARG_N, ARG_N, ARG_N, ARG_N}; default: r_arg_types_packed = {ARG_N, ARG_N, ARG_N, ARG_N};
endcase endcase
@ -99,11 +100,11 @@ module Beepo #(
r_pc <= r_pc + 1; r_pc <= r_pc + 1;
r_fetching <= 1; r_fetching <= 1;
r_arg_bytes <= ARG_SIZES[r_arg_types_packed[15:12]+:4]; r_arg_bytes <= ARG_SIZES[r_arg_types_packed[15:12]*4+:4];
r_arg_current_type <= r_arg_types_packed[15:12]; r_arg_current_type <= r_arg_types_packed[15:12];
r_arg_types[0] <= r_arg_types_packed[15:12]; r_arg_types[0] <= r_arg_types_packed[15:12];
r_arg_types[1] <= r_arg_types_packed[11:8]; r_arg_types[1] <= r_arg_types_packed[11:8];
r_arg_types[2] <= r_arg_types_packed[7:4]; r_arg_types[2] <= r_arg_types_packed[7:4];
r_arg_types[3] <= r_arg_types_packed[3:0]; r_arg_types[3] <= r_arg_types_packed[3:0];
@ -160,39 +161,43 @@ module Beepo #(
end end
end end
EXEC: begin EXEC: begin
r_state <= FETCHI;
case (r_instr) case (r_instr)
`TX: r_state <= DONE; `TX: r_state <= DONE;
`NOP: ;
`ADD8: set_register(r_arg_regs[0], r_registers[r_arg_regs[1]] + r_registers[r_arg_regs[2]][7:0]); `ADD8: set_register(r_arg_regs[0], r_registers[r_arg_regs[1]] + r_registers[r_arg_regs[2]][7:0]);
`ADDI8: set_register(r_arg_regs[0], r_registers[r_arg_regs[1]] + r_arg_imm[7:0]);
`LI8: set_register(r_arg_regs[0], r_arg_imm); `LI8: set_register(r_arg_regs[0], r_arg_imm);
endcase endcase
r_state <= FETCHI; // r_tx_send_ctrl[0] <= ~r_tx_send_ctrl[0];
r_tx_data <= r_registers[1][7:0];
r_tx_block_ctrl[0] <= ~r_tx_block_ctrl[0];
end end
endcase endcase
end end
always @(posedge w_tx_ready) r_tx_block_ctrl[1] <= ~r_tx_block_ctrl[1]; // always @(posedge i_clk) begin
// if (w_tx_send && w_tx_ready) r_tx_send_ctrl[1] <= r_tx_send_ctrl[0];
// end
task automatic set_register( task automatic set_register(
input [7:0] being_set, input [7:0] being_set,
input [63:0] setting_to input [63:0] setting_to
); );
if (being_set != 0) r_registers[being_set] <= setting_to; if (being_set != 0) r_registers[being_set] = setting_to;
endtask endtask
uart_tx #( // uart_tx #(
.CLK_FRE(FREQ), // .CLK_FRE(FREQ / 1_000_000),
.BAUD_RATE(1000000) // .BAUD_RATE(UART_BAUD)
) tx ( // ) tx (
.clk(i_clk), // .clk(i_clk),
.rst_n(1'b1), // .rst_n(1),
.tx_data(r_tx_data), // .tx_data(r_tx_data),
.tx_data_valid(w_tx_send), // .tx_data_valid(w_tx_send),
.tx_data_ready(w_tx_ready), // .tx_data_ready(w_tx_ready),
.tx_pin(o_uart_tx) // .tx_pin(o_uart_tx)
); // );
Multi7 display ( Multi7 display (
.i_clk(i_clk), .i_clk(i_clk),

3
src/instructions.v
View file

@ -5,6 +5,8 @@
`define UN_ARGS {ARG_N, ARG_N, ARG_N, ARG_N} `define UN_ARGS {ARG_N, ARG_N, ARG_N, ARG_N}
`define TX 'h01 `define TX 'h01
`define TX_ARGS {ARG_N, ARG_N, ARG_N, ARG_N} `define TX_ARGS {ARG_N, ARG_N, ARG_N, ARG_N}
`define NOP 'h02
`define NOP_ARGS {ARG_N, ARG_N, ARG_N, ARG_N}
// Binary register-register operations // Binary register-register operations
`define ADD8 'h03 `define ADD8 'h03
@ -19,6 +21,7 @@
// Binary register-immediate operations // Binary register-immediate operations
`define ADDI8 'h2D `define ADDI8 'h2D
`define ADDI8_ARGS {ARG_R, ARG_R, ARG_B, ARG_N}
// Register-immediate bitshifts // Register-immediate bitshifts
`define SLUI8 'h38 `define SLUI8 'h38

259
src/memory.mi
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@ -1,259 +0,0 @@
#File_format=Bin
#Address_depth=256
#Data_width=8
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
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00000000
00000000
01101001
00000000
00000000
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00100011
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0
src/first.mi → src/programs/add8.mi
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35
src/programs/addi8.mi Normal file
View file

@ -0,0 +1,35 @@
#File_format=Bin
#Address_depth=32
#Data_width=8
00000000
01001000
00000001
00100011
00101101
00000001
00000001
10000111
00000001
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
00000000
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00000000
00000000
00000000
00000000
00000000
00000000
00000000

3
tests/beepo.v
View file

@ -8,7 +8,8 @@ module tb_beepo(
reg clk = 0; reg clk = 0;
Beepo #( Beepo #(
.FREQ(1) .FREQ(1),
.UART_BAUD(1_000_000)
) bep ( ) bep (
.i_clk(clk), .i_clk(clk),
.o_uart_tx(o_uart_tx) .o_uart_tx(o_uart_tx)

1
tests/inputs.txt
View file

@ -1,4 +1,5 @@
../src/instructions.v ../src/instructions.v
beepo.v beepo.v
../src/uart_tx.v ../src/uart_tx.v
../src/multi7.v
spmem.v spmem.v

2
tests/spmem.v
View file

@ -14,7 +14,7 @@ module spMem(
8'h48, 8'h02, 8'h46, 8'h48, 8'h02, 8'h46,
8'h03, 8'h01, 8'h01, 8'h02, 8'h03, 8'h01, 8'h01, 8'h02,
8'h01, 8'h01,
168'h0 160'h0
}; };
reg [7:0] r_out; reg [7:0] r_out;