uzix/TSConf_MiST
1
0
Fork 0
mirror of https://github.com/UzixLS/TSConf_MiST.git synced 2025-07-19 07:11:22 +03:00
Code Issues Packages Projects Releases Wiki Activity

Update turbosound.

Browse Source
This commit is contained in:
sorgelig
2020-05-11 23:43:24 +08:00
parent 5a66d5ec1c
commit c08d8479be
51 changed files with 4523 additions and 3446 deletions
Download Patch File Download Diff File Expand all files Collapse all files

19
rtl/sound/ym2149.sv
View File

@ -1,6 +1,6 @@
//
// Copyright (c) MikeJ - Jan 2005
// Copyright (c) 2016-2018 Sorgelig
// Copyright (c) 2016-2019 Sorgelig
//
// All rights reserved
//
@ -151,18 +151,13 @@ always @(posedge CLK) begin
if(CE) begin
if (ena_div_noise) begin
if(ymreg[6][4:0]) begin
if (noise_gen_cnt >= ymreg[6][4:0] - 1'd1) begin
noise_gen_cnt <= 0;
poly17 <= {(poly17[0] ^ poly17[2] ^ !poly17), poly17[16:1]};
end else begin
noise_gen_cnt <= noise_gen_cnt + 1'd1;
end
noise_gen_op <= {3{poly17[0]}};
end else begin
noise_gen_op <= ymreg[7][5:3];
if (!ymreg[6][4:0] || noise_gen_cnt >= ymreg[6][4:0] - 1'd1) begin
noise_gen_cnt <= 0;
poly17 <= {(poly17[0] ^ poly17[2] ^ !poly17), poly17[16:1]};
end else begin
noise_gen_cnt <= noise_gen_cnt + 1'd1;
end
noise_gen_op <= {3{poly17[0]}};
end
end
end
@ -192,7 +187,7 @@ always @(posedge CLK) begin
tone_gen_cnt[i] <= tone_gen_cnt[i] + 1'd1;
end
end else begin
tone_gen_op[i] <= ymreg[7][i];
tone_gen_op[i] <= ~ymreg[7][i];
tone_gen_cnt[i] <= 0;
end
end