insn_vop_intr.v

   1 `ifdef EXECUTE
   2         `INSN_VOP_INTR: begin
   3                 case (cycle)
   4                 0:      begin
   5                                 address <= {registers[`REG_SPH],registers[`REG_SPL]} - 1;
   6                                 wdata <= registers[`REG_PCH];
   7                                 wr <= 1;
   8                         end
   9                 1:      begin
  10                                 address <= {registers[`REG_SPH],registers[`REG_SPL]} - 2;
  11                                 wdata <= registers[`REG_PCL];
  12                                 wr <= 1;
  13                         end
  14                 2:      begin
  15                                 `EXEC_NEWCYCLE;
  16                         end
  17                 endcase
  18         end
  19 `endif
  20
  21 `ifdef WRITEBACK
  22         `INSN_VOP_INTR: begin
  23                 case (cycle)
  24                 0:      begin end
  25                 1:      begin end
  26                 2:      begin
  27                                 ie <= 0;
  28                                 {registers[`REG_PCH],registers[`REG_PCL]} <=
  29                                         {8'b0,jaddr};
  30                                 {registers[`REG_SPH],registers[`REG_SPL]} <=
  31                                         {registers[`REG_SPH],registers[`REG_SPL]} - 2;
  32                         end
  33                 endcase
  34         end
  35 `endif