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Fixes for sim

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This commit is contained in:
Byron Lathi
2024-07-17 00:55:58 -07:00
parent 86c7977a42
commit fa6f6505d4
3 changed files with 31 additions and 12 deletions
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18
hw/super6502_fpga/src/sim/hvl/sim_top.sv
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@@ -49,7 +49,7 @@ initial begin
$dumpvars(0,sim_top);
end
logic button_reset;
logic button_resetn;
logic w_cpu0_reset;
logic [15:0] w_cpu0_addr;
@@ -120,9 +120,8 @@ logic o_sd_cmd;
logic o_sd_cmd_oe;
logic i_sd_dat;
logic o_sd_dat;
logic i_sd_dat_oe;
logic o_sd_dat_oe;
logic o_sd_clk;
logic o_sd_cs;
super6502_fpga u_dut (
.i_sysclk (clk_100),
@@ -130,7 +129,7 @@ super6502_fpga u_dut (
.i_tACclk (~clk_200),
.clk_cpu (clk_cpu),
.button_reset (button_reset),
.button_resetn (button_resetn),
.o_cpu0_reset (w_cpu0_reset),
.i_cpu0_addr (w_cpu0_addr),
@@ -160,13 +159,12 @@ super6502_fpga u_dut (
.i_sd_dat (i_sd_dat),
.o_sd_dat (o_sd_dat),
.o_sd_dat_oe (o_sd_dat_oe),
.o_sd_clk (o_sd_clk),
.o_sd_cs (o_sd_cs)
.o_sd_clk (o_sd_clk)
);
sd_card_emu u_sd_card_emu(
.clk(o_sd_clk),
.rst(~button_reset),
.rst(~button_resetn),
.i_cmd(o_sd_cmd),
.o_cmd(i_sd_cmd),
.i_dat(o_sd_dat),
@@ -174,11 +172,11 @@ sd_card_emu u_sd_card_emu(
);
initial begin
button_reset <= '1;
button_resetn <= '1;
repeat(10) @(clk_cpu);
button_reset <= '0;
button_resetn <= '0;
repeat(10) @(clk_cpu);
button_reset <= '1;
button_resetn <= '1;
repeat(4000) @(posedge clk_cpu);
$finish();
end