URL
https://opencores.org/ocsvn/open8_urisc/open8_urisc/trunk
Subversion Repositories open8_urisc
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- This comparison shows the changes necessary to convert path
/
- from Rev 153 to Rev 154
- ↔ Reverse comparison
Rev 153 → Rev 154
/open8_urisc/trunk/VHDL/Open8.vhd
507,7 → 507,7
end if; |
end process; |
|
Program_Counter: process( Reset, Clock, PC_Ctrl ) |
Program_Counter: process( Reset, Clock, Halt, PC_Ctrl, PC_Q, Rewind_1_2n ) |
variable PC_Offset_SX : ADDRESS_TYPE := x"0000"; |
begin |
PC_Offset_SX(15 downto 8):= (others => PC_Ctrl.Offset(7)); |
1241,9 → 1241,6
CPU_Next_State <= ISR_C2; |
AS_Ctrl.Src <= ADDR_ISR; |
INT_Ctrl.Incr_ISR <= '1'; |
-- PC_Ctrl.Oper <= PC_INCR; |
-- Rewind the PC by 3 to compensate for the pipeline registers |
-- PC_Ctrl.Offset <= x"FF"; |
|
when ISR_C2 => |
CPU_Next_State <= ISR_C3; |
1335,6 → 1332,7
ALU_Ctrl.Oper <= ALU_IDLE; |
Cache_Ctrl <= CACHE_IDLE; |
SP_Ctrl.Oper <= SP_IDLE; |
DP_Ctrl.Src <= DATA_IDLE; -- JSH 7/20 |
-- Rewind the PC by 3 to compensate for the pipeline registers |
PC_Ctrl.Oper <= PC_INCR; |
PC_Ctrl.Offset <= x"FF"; |