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// ============================================================================
//        __
//   \\__/ o\    (C) 2013  Robert Finch, Stratford
//    \  __ /    All rights reserved.
//     \/_//     robfinch<remove>@opencores.org
//       ||
//
// This source file is free software: you can redistribute it and/or modify 
// it under the terms of the GNU Lesser General Public License as published 
// by the Free Software Foundation, either version 3 of the License, or     
// (at your option) any later version.                                      
//                                                                          
// This source file is distributed in the hope that it will be useful,      
// but WITHOUT ANY WARRANTY; without even the implied warranty of           
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the            
// GNU General Public License for more details.                             
//                                                                          
// You should have received a copy of the GNU General Public License        
// along with this program.  If not, see <http://www.gnu.org/licenses/>.    
//                                                   
// State for pushing processor regs. Works for both 8 and 32 bit modes.                       
// ============================================================================
//
PHP1:
	if (ack_i) begin
		state <= IFETCH;
		retstate <= IFETCH;
		cyc_o <= 1'b0;
		stb_o <= 1'b0;
		we_o <= 1'b0;
		sel_o <= 4'h0;
		adr_o <= 34'd0;
		dat_o <= 32'd0;
		pc <= pc + 32'd1;	// <= this is different from STORE2
		if (dhit) begin
			wr <= 1'b1;
			wrsel <= sel_o;
		end
		else if (write_allocate) begin
			state <= WAIT_DHIT;
			dmiss <= `TRUE;
		end
	end
	else if (err_i) begin
		lock_o <= 1'b0;
		cyc_o <= 1'b0;
		stb_o <= 1'b0;
		we_o <= 1'b0;
		sel_o <= 4'h0;
		dat_o <= 32'h0;
		state <= BUS_ERROR;
	end