The-Homebrew-Cloud/SummerCart64
2
0
Fork 0
mirror of https://github.com/Polprzewodnikowy/SummerCart64.git synced 2024-11-22 14:09:16 +01:00
Code Issues Packages Projects Releases Wiki Activity

register PI reg bus

Browse Source
This commit is contained in:
Mateusz Faderewski 2024-06-12 02:21:13 +02:00
parent 0d9e23b787
commit 2a33bffd72
1 changed files with 8 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

14
fw/rtl/n64/n64_pi.sv
View File

@ -476,7 +476,11 @@ module n64_pi (
// Reg bus controller
logic reg_bus_address_increment;
always_ff @(posedge clk) begin
reg_bus_address_increment <= read_op || write_op;
if (aleh_op) begin
reg_bus.address[16] <= n64_pi_dq_in[0];
end
@ -485,15 +489,13 @@ module n64_pi (
reg_bus.address[15:0] <= n64_pi_dq_in;
end
if (read_op || write_op) begin
if (reg_bus_address_increment) begin
reg_bus.address <= reg_bus.address + 2'd2;
end
end
always_comb begin
reg_bus.read = read_op && (read_port == PORT_REG);
reg_bus.write = write_op && (write_port == PORT_REG);
reg_bus.wdata = n64_pi_dq_in;
reg_bus.read <= read_op && (read_port == PORT_REG);
reg_bus.write <= write_op && (write_port == PORT_REG);
reg_bus.wdata <= n64_pi_dq_in;
end
endmodule