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T80: fix interrupt ack after IN/OUT instructions.

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sorgelig
2018-07-21 09:08:47 +08:00
parent 4f2bac2f45
commit 27d52c67fc
1 changed files with 2 additions and 1 deletions
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3
t80/T80.vhd
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@@ -1024,12 +1024,13 @@ begin
elsif rising_edge(CLK_n) then
if CEN = '1' then
Auto_Wait_t2 <= Auto_Wait_t1;
if T_Res = '1' then
Auto_Wait_t1 <= '0';
Auto_Wait_t2 <= '0';
else
Auto_Wait_t1 <= Auto_Wait or IORQ_i;
end if;
Auto_Wait_t2 <= Auto_Wait_t1;
No_BTR <= (I_BT and (not IR(4) or not F(Flag_P))) or
(I_BC and (not IR(4) or F(Flag_Z) or not F(Flag_P))) or
(I_BTR and (not IR(4) or F(Flag_Z)));