2019-02-07 22:54:06 +01:00
|
|
|
/******************************************************************************
|
|
|
|
|
* 82x
|
|
|
|
|
*
|
|
|
|
|
* lots of things there
|
|
|
|
|
*
|
|
|
|
|
*/
|
|
|
|
|
|
2019-02-08 00:02:55 +01:00
|
|
|
`include "decstates.v"
|
|
|
|
|
|
|
|
|
|
`DEC_82X_CLRHST: begin
|
2019-02-09 19:18:58 +01:00
|
|
|
HST <= HST & !nb_in;
|
2019-02-08 00:02:55 +01:00
|
|
|
decstate <= `DEC_START;
|
|
|
|
|
`ifdef SIM
|
2019-02-08 11:15:16 +01:00
|
|
|
$write("%5h ", inst_start_PC);
|
2019-02-09 19:18:58 +01:00
|
|
|
case (nb_in)
|
2019-02-08 11:15:16 +01:00
|
|
|
4'h1: $display("XM=0");
|
|
|
|
|
4'h2: $display("SB=0");
|
|
|
|
|
4'h4: $display("SR=0");
|
|
|
|
|
4'h8: $display("MP=0");
|
|
|
|
|
4'hf: $display("CLRHST");
|
2019-02-09 19:18:58 +01:00
|
|
|
default: $display("CLRHST\t%f", nb_in);
|
2019-02-08 00:02:55 +01:00
|
|
|
endcase
|
|
|
|
|
`endif
|
|
|
|
|
end
|
