uzix/zx-multisound
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fix compatibility with NemoIDE

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This commit is contained in:
Eugene Lozovoy
2023-03-26 22:10:33 +03:00
parent 7e836fba8d
commit a696ecdf28
2 changed files with 4 additions and 4 deletions
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8
cpld/rtl/top.v
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@ -105,9 +105,9 @@ wire clk16 = clk8_cnt[0];
/* TURBO SOUND FM */ /* TURBO SOUND FM */
wire port_bffd = a[15:14] == 2'b10 && a[1:0] == 2'b01 && ym_ena; wire port_bffd = a[15:14] == 2'b10 && a[3:0] == 4'b1101 && ym_ena;
wire port_fffd = a[15:14] == 2'b11 && a[1:0] == 2'b01 && ym_ena; wire port_fffd = a[15:14] == 2'b11 && a[3:0] == 4'b1101 && ym_ena;
wire port_fffd_full = a[15:13] == 3'b111 && a[1:0] == 2'b01 && ym_ena; // required for compatibility with #dffd port wire port_fffd_full = a[15:13] == 3'b111 && a[3:0] == 4'b1101 && ym_ena; // required for compatibility with #dffd port
reg ym_chip_sel, ym_get_stat; reg ym_chip_sel, ym_get_stat;
wire ym_a0 = (~n_rd & a[14] & ~ym_get_stat) | (~n_wr & ~a[14]); wire ym_a0 = (~n_rd & a[14] & ~ym_get_stat) | (~n_wr & ~a[14]);
assign n_ym1_cs = ~(~ym_chip_sel && (port_bffd || port_fffd)); assign n_ym1_cs = ~(~ym_chip_sel && (port_bffd || port_fffd));
@ -136,7 +136,7 @@ wire port_ff = a[7:0] == 8'hFF && saa_ena && !rom_m1_access;
assign n_saa_cs = ~(port_ff && ioreq_wr); assign n_saa_cs = ~(port_ff && ioreq_wr);
wire saa_a0 = a[8]; wire saa_a0 = a[8];
wire port_fffd_saa = a[15:14] == 2'b11 && a[1:0] == 2'b01 && saa_ena; wire port_fffd_saa = a[15:14] == 2'b11 && a[3:0] == 4'b1101 && saa_ena;
reg saa_clk_en; reg saa_clk_en;
always @(posedge clk32 or negedge rst_n) begin always @(posedge clk32 or negedge rst_n) begin
if (!rst_n) if (!rst_n)

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out/cpld.rev.A1.pof vendored
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