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Merge pull request #103 from gyurco/c64

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[C64] CIA: revert to synchronous flag_n sense
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gyurco
2019-04-27 12:31:05 +02:00
committed by GitHub
parent 4d7efa7853 e7a752de86
commit 1796124af1
1 changed files with 2 additions and 2 deletions
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4
cores/c64/rtl/mos6526.v
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@@ -152,9 +152,9 @@ always @(posedge clk) begin
else begin
if (phi2_p) begin
if (int_reset) icr[4] <= 1'b0;
flag_n_prev <= flag_n;
if (!flag_n && flag_n_prev) icr[4] <= 1'b1;
end
flag_n_prev <= flag_n;
if (!flag_n && flag_n_prev) icr[4] <= 1'b1;
end
end