/**********************************************************************************
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/**********************************************************************************
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Theia, Ray Cast Programable graphic Processing Unit.
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Theia, Ray Cast Programable graphic Processing Unit.
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Copyright (C) 2010 Diego Valverde (diego.valverde.g@gmail.com)
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Copyright (C) 2010 Diego Valverde (diego.valverde.g@gmail.com)
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This program is free software; you can redistribute it and/or
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This program is free software; you can redistribute it and/or
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modify it under the terms of the GNU General Public License
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modify it under the terms of the GNU General Public License
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as published by the Free Software Foundation; either version 2
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as published by the Free Software Foundation; either version 2
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of the License, or (at your option) any later version.
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of the License, or (at your option) any later version.
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This program is distributed in the hope that it will be useful,
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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along with this program; if not, write to the Free Software
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
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***********************************************************************************/
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***********************************************************************************/
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/**********************************************************************************
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/**********************************************************************************
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Description:
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Description:
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This is the main Finite State Machine.
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This is the main Finite State Machine.
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**********************************************************************************/
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**********************************************************************************/
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`timescale 1ns / 1ps
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`timescale 1ns / 1ps
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`include "aDefinitions.v"
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`include "aDefinitions.v"
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`define CU_AFTER_RESET_STATE 0
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`define CU_AFTER_RESET_STATE 0
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`define CU_WAIT_FOR_INITIAL_CONFIGURATION 1
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`define CU_WAIT_FOR_INITIAL_CONFIGURATION 1
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`define CU_TRIGGER_CONFIGURATION_DATA_READ 2
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`define CU_TRIGGER_CONFIGURATION_DATA_READ 2
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`define CU_WAIT_FOR_CONFIG_DATA_READ 3
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`define CU_WAIT_FOR_CONFIG_DATA_READ 3
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`define CU_ACK_CONFIG_DATA_READ 4
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`define CU_ACK_CONFIG_DATA_READ 4
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`define CU_PRECALCULATE_CONSTANTS 5
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`define CU_PRECALCULATE_CONSTANTS 5
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`define CU_WAIT_FOR_CONSTANT 6
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`define CU_WAIT_FOR_CONSTANT 6
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`define CU_ACK_PRECALCULATE_CONSTANTS 7
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`define CU_ACK_PRECALCULATE_CONSTANTS 7
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`define CU_WAIT_FOR_TASK 8
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`define CU_WAIT_FOR_TASK 8
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`define CU_READ_TASK_DATA 9
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`define CU_READ_TASK_DATA 9
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`define CU_WAIT_TASK_DATA_READ 10
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`define CU_WAIT_TASK_DATA_READ 10
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`define CU_ACK_TASK_DATA_READ 11
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`define CU_ACK_TASK_DATA_READ 11
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`define CU_TRIGGER_RGU 12
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`define CU_TRIGGER_RGU 12
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`define CU_WAIT_FOR_RGU 13
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`define CU_WAIT_FOR_RGU 13
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`define CU_ACK_RGU 14
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`define CU_ACK_RGU 14
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`define CU_TRIGGER_GEO 15
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`define CU_TRIGGER_GEO 15
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`define CU_WAIT_FOR_GEO_SYNC 16
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`define CU_WAIT_FOR_GEO_SYNC 16
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//`define CU_CHECK_AABBIU_REQUEST 17
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//`define CU_CHECK_AABBIU_REQUEST 17
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`define CU_TRIGGER_TCC 17
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`define CU_TRIGGER_TCC 17
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//`define CU_CHECK_BIU_REQUEST 18
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//`define CU_CHECK_BIU_REQUEST 18
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`define CU_TRIGGER_TFF 18
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`define CU_TRIGGER_TFF 18
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//`define CU_CHECK_GEO_DONE 19
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//`define CU_CHECK_GEO_DONE 19
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`define CU_WAIT_FOR_TFF 19
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`define CU_WAIT_FOR_TFF 19
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`define CU_TRIGGER_AABBIU 20
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`define CU_TRIGGER_AABBIU 20
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`define CU_WAIT_FOR_AABBIU 21
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`define CU_WAIT_FOR_AABBIU 21
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`define CU_TRIGGER_BIU 22
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`define CU_TRIGGER_BIU 22
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`define CU_WAIT_FOR_BIU 23
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`define CU_WAIT_FOR_BIU 23
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`define CU_ACK_UCODE 24
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`define CU_ACK_UCODE 24
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`define CU_TRIGGER_PSU 25
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`define CU_TRIGGER_PSU 25
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`define CU_WAIT_FOR_PSU 26
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`define CU_WAIT_FOR_PSU 26
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`define CU_ACK_PSU 27
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`define CU_ACK_PSU 27
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`define CU_TRIGGER_PCU 28
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`define CU_TRIGGER_PCU 28
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`define CU_WAIT_FOR_PCU 29
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`define CU_WAIT_FOR_PCU 29
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`define CU_ACK_PCU 30
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`define CU_ACK_PCU 30
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`define CU_CHECK_HIT 31
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`define CU_CHECK_HIT 31
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`define CU_CLEAR_REGISTERS 32
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`define CU_CLEAR_REGISTERS 32
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`define CU_WAIT_CLEAR_REGISTERS 33
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`define CU_WAIT_CLEAR_REGISTERS 33
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`define CU_ACK_CLEAR_REGISTERS 34
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`define CU_ACK_CLEAR_REGISTERS 34
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`define CU_TRIGGER_PSU_WITH_TEXTURE 35
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`define CU_TRIGGER_PSU_WITH_TEXTURE 35
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`define WAIT_FOR_TCC 36
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`define WAIT_FOR_TCC 36
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`define CU_TRIGGER_NPU 37
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`define CU_TRIGGER_NPU 37
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`define CU_WAIT_NPU 38
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`define CU_WAIT_NPU 38
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`define CU_ACK_NPU 39
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`define CU_ACK_NPU 39
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`define CU_PERFORM_INTIAL_CONFIGURATION 40
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`define CU_PERFORM_INTIAL_CONFIGURATION 40
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`define CU_SET_PICTH 41
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`define CU_SET_PICTH 41
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//--------------------------------------------------------------
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//--------------------------------------------------------------
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module ControlUnit
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module ControlUnit
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(
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(
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input wire Clock,
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input wire Clock,
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input wire Reset,
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input wire Reset,
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input wire[15:0] iControlRegister,
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input wire[15:0] iControlRegister,
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input wire iExternalBus_DataReady,
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input wire iExternalBus_DataReady,
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input wire iBusUnitDone,
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input wire iBusUnitDone,
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output reg oGFUEnable,
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output reg oGFUEnable,
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input wire iTriggerAABBIURequest,
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input wire iTriggerAABBIURequest,
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input wire iTriggerBIURequest,
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input wire iTriggerBIURequest,
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input wire iTriggertTCCRequest,
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input wire iTriggertTCCRequest,
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output reg oUCodeEnable,
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output reg oUCodeEnable,
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output reg[`ROM_ADDRESS_WIDTH-1:0] oUCodeInstructioPointer,
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output reg[`ROM_ADDRESS_WIDTH-1:0] oUCodeInstructioPointer,
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input wire iUCodeDone,
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input wire iUCodeDone,
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input wire iUCodeReturnValue,
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input wire iUCodeReturnValue,
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input wire iGFUDone,
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input wire iGFUDone,
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input wire iGEOSync,
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input wire iGEOSync,
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output reg oTriggerTFF,
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output reg oTriggerTFF,
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input wire iTFFDone,
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input wire iTFFDone,
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input wire MST_I,
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input wire MST_I,
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output reg[2:0] oRamBusOwner,
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output reg[2:0] oRamBusOwner,
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input wire iIODone,
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input wire iIODone,
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output reg oSetCurrentPitch,
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output reg oSetCurrentPitch,
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//output reg //oIncCurrentPitch,
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//output reg //oIncCurrentPitch,
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//output wire[`WIDTH-1:0] oPitchInitialValue,
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//output wire[`WIDTH-1:0] oPitchInitialValue,
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output reg oIOWritePixel
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output reg oIOWritePixel
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);
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);
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//Internal State Machine varibles
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//Internal State Machine varibles
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reg [5:0] CurrentState;
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reg [5:0] CurrentState;
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reg [5:0] NextState;
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reg [5:0] NextState;
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integer ucode_file;
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integer ucode_file;
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reg rResetHitFlop,rHitFlopEnable;
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reg rResetHitFlop,rHitFlopEnable;
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wire wHit;
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wire wHit;
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`ifdef DUMP_CODE
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`ifdef DUMP_CODE
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integer log;
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integer log;
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initial
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initial
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begin
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begin
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$display("Opening ucode dump file....\n");
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$display("Opening ucode dump file....\n");
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ucode_file = $fopen("CU.log","w");
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ucode_file = $fopen("CU.log","w");
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end
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end
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`endif
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`endif
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wire[`ROM_ADDRESS_WIDTH-1:0] wAABBIUAddress;
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wire[`ROM_ADDRESS_WIDTH-1:0] wAABBIUAddress;
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assign wAABBIUAddress = (iControlRegister[`CR_USER_AABBIU] == 1'b1) ? `USER_AABBIU_UCODE_ADDRESS : `AABBIU_UCODE_ADDRESS;
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assign wAABBIUAddress = (iControlRegister[`CR_USER_AABBIU] == 1'b1) ? `USER_AABBIU_UCODE_ADDRESS : `AABBIU_UCODE_ADDRESS;
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//--------------------------------------------------------------
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//--------------------------------------------------------------
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FFToggleOnce_1Bit FFTO1
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FFToggleOnce_1Bit FFTO1
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(
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(
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.Clock( Clock ),
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.Clock( Clock ),
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.Reset( rResetHitFlop ),
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.Reset( rResetHitFlop ),
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.Enable( rHitFlopEnable && iUCodeDone ),
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.Enable( rHitFlopEnable && iUCodeDone ),
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.S( iUCodeReturnValue ),
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.S( iUCodeReturnValue ),
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.Q( wHit )
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.Q( wHit )
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);
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);
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//--------------------------------------------------------------
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//--------------------------------------------------------------
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`ifdef DEBUG
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`ifdef DEBUG
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always @ ( wHit )
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always @ ( wHit )
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begin
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begin
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`LOGME "*** Triangle HIT ***\n");
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`LOGME "*** Triangle HIT ***\n");
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end
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end
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`endif
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`endif
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//Next states logic and Reset sequence
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//Next states logic and Reset sequence
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always @(posedge Clock or posedge Reset)
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always @(posedge Clock or posedge Reset)
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begin
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begin
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if (Reset)
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if (Reset)
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CurrentState <= `CU_AFTER_RESET_STATE;
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CurrentState <= `CU_AFTER_RESET_STATE;
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else
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else
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CurrentState <= NextState;
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CurrentState <= NextState;
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end
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end
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//--------------------------------------------------------------
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//--------------------------------------------------------------
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always @ ( * )
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always @ ( * )
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begin
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begin
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case (CurrentState)
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case (CurrentState)
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//-----------------------------------------
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//-----------------------------------------
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`CU_AFTER_RESET_STATE:
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`CU_AFTER_RESET_STATE:
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begin
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begin
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`ifdef DEBUG
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`ifdef DEBUG
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`LOGME"%d CU_AFTER_RESET_STATE\n",$time);
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`LOGME"%d CU_AFTER_RESET_STATE\n",$time);
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`endif
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`endif
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oRamBusOwner <= 0;
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oRamBusOwner <= 0;
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oUCodeInstructioPointer <= `INITIAL_UCODE_ADDRESS;
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oUCodeInstructioPointer <= `INITIAL_UCODE_ADDRESS;
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oGFUEnable <= 0;
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oGFUEnable <= 0;
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oUCodeEnable <= 0;
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oUCodeEnable <= 0;
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oIOWritePixel <= 0;
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oIOWritePixel <= 0;
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rResetHitFlop <= 1;
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rResetHitFlop <= 1;
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rHitFlopEnable <= 0;
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rHitFlopEnable <= 0;
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oTriggerTFF <= 0;
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oTriggerTFF <= 0;
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oSetCurrentPitch <= 1;
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oSetCurrentPitch <= 1;
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//oIncCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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NextState <= `CU_WAIT_FOR_INITIAL_CONFIGURATION;
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NextState <= `CU_WAIT_FOR_INITIAL_CONFIGURATION;
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end
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end
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//-----------------------------------------
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//-----------------------------------------
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`CU_WAIT_FOR_INITIAL_CONFIGURATION:
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`CU_WAIT_FOR_INITIAL_CONFIGURATION:
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begin
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begin
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$display("CU_WAIT_FOR_INITIAL_CONFIGURATION");
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$display("CU_WAIT_FOR_INITIAL_CONFIGURATION");
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// `ifdef DEBUG
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// `ifdef DEBUG
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// `LOGME"%d Control: CU_WAIT_FOR_INITIAL_CONFIGURATION\n",$time);
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// `LOGME"%d Control: CU_WAIT_FOR_INITIAL_CONFIGURATION\n",$time);
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// `endif
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// `endif
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oRamBusOwner <= 0;
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oRamBusOwner <= 0;
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oUCodeInstructioPointer <= 0;
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oUCodeInstructioPointer <= 0;
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oGFUEnable <= 0;
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oGFUEnable <= 0;
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oUCodeEnable <= 0;
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oUCodeEnable <= 0;
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oIOWritePixel <= 0;
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oIOWritePixel <= 0;
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rResetHitFlop <= 1;
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rResetHitFlop <= 1;
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rHitFlopEnable <= 0;
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rHitFlopEnable <= 0;
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oTriggerTFF <= 0;
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oTriggerTFF <= 0;
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oSetCurrentPitch <= 0;
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oSetCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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if ( MST_I )
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if ( MST_I )
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NextState <= `CU_PERFORM_INTIAL_CONFIGURATION;//`CU_WAIT_FOR_CONFIG_DATA_READ;
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NextState <= `CU_PERFORM_INTIAL_CONFIGURATION;//`CU_WAIT_FOR_CONFIG_DATA_READ;
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else
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else
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NextState <= `CU_WAIT_FOR_INITIAL_CONFIGURATION;
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NextState <= `CU_WAIT_FOR_INITIAL_CONFIGURATION;
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end
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end
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//-----------------------------------------
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//-----------------------------------------
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`CU_PERFORM_INTIAL_CONFIGURATION:
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`CU_PERFORM_INTIAL_CONFIGURATION:
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begin
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begin
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oRamBusOwner <= 0;
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oRamBusOwner <= 0;
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oUCodeInstructioPointer <= 0;
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oUCodeInstructioPointer <= 0;
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oGFUEnable <= 0;
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oGFUEnable <= 0;
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oUCodeEnable <= 0;
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oUCodeEnable <= 0;
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oIOWritePixel <= 0;
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oIOWritePixel <= 0;
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rResetHitFlop <= 1;
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rResetHitFlop <= 1;
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rHitFlopEnable <= 0;
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rHitFlopEnable <= 0;
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oTriggerTFF <= 0;
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oTriggerTFF <= 0;
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oSetCurrentPitch <= 0;
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oSetCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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if ( MST_I )
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if ( MST_I )
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NextState <= `CU_PERFORM_INTIAL_CONFIGURATION;//`CU_WAIT_FOR_CONFIG_DATA_READ;
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NextState <= `CU_PERFORM_INTIAL_CONFIGURATION;//`CU_WAIT_FOR_CONFIG_DATA_READ;
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else
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else
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NextState <= `CU_CLEAR_REGISTERS;
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NextState <= `CU_CLEAR_REGISTERS;
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end
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end
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//-----------------------------------------
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//-----------------------------------------
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`CU_CLEAR_REGISTERS:
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`CU_CLEAR_REGISTERS:
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begin
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begin
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`ifdef DEBUG
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`ifdef DEBUG
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`LOGME"%d CU_CLEAR_REGISTERS\n",$time);
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`LOGME"%d CU_CLEAR_REGISTERS\n",$time);
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`endif
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`endif
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oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
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oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
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oUCodeInstructioPointer <= `INITIAL_UCODE_ADDRESS;
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oUCodeInstructioPointer <= `INITIAL_UCODE_ADDRESS;
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oGFUEnable <= 0;
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oGFUEnable <= 0;
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oUCodeEnable <= 1; //*
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oUCodeEnable <= 1; //*
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oIOWritePixel <= 0;
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oIOWritePixel <= 0;
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rResetHitFlop <= 0;
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rResetHitFlop <= 0;
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rHitFlopEnable <= 0;
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rHitFlopEnable <= 0;
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oTriggerTFF <= 0;
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oTriggerTFF <= 0;
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oSetCurrentPitch <= 0;
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oSetCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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NextState <= `CU_WAIT_CLEAR_REGISTERS;
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NextState <= `CU_WAIT_CLEAR_REGISTERS;
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end
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end
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//-----------------------------------------
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//-----------------------------------------
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`CU_WAIT_CLEAR_REGISTERS:
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`CU_WAIT_CLEAR_REGISTERS:
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begin
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begin
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// `ifdef DEBUG
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// `ifdef DEBUG
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// `LOGME"%d CU_WAIT_CLEAR_REGISTERS\n",$time);
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// `LOGME"%d CU_WAIT_CLEAR_REGISTERS\n",$time);
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// `endif
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// `endif
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oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
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oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
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oUCodeInstructioPointer <= `INITIAL_UCODE_ADDRESS;
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oUCodeInstructioPointer <= `INITIAL_UCODE_ADDRESS;
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oGFUEnable <= 0;
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oGFUEnable <= 0;
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oUCodeEnable <= 0;
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oUCodeEnable <= 0;
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oIOWritePixel <= 0;
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oIOWritePixel <= 0;
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rResetHitFlop <= 0;
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rResetHitFlop <= 0;
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rHitFlopEnable <= 0;
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rHitFlopEnable <= 0;
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oTriggerTFF <= 0;
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oTriggerTFF <= 0;
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oSetCurrentPitch <= 0;
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oSetCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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if ( iUCodeDone )
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if ( iUCodeDone )
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NextState <= `CU_ACK_CLEAR_REGISTERS;
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NextState <= `CU_ACK_CLEAR_REGISTERS;
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else
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else
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NextState <= `CU_WAIT_CLEAR_REGISTERS;
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NextState <= `CU_WAIT_CLEAR_REGISTERS;
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|
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end
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end
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//-----------------------------------------
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//-----------------------------------------
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`CU_ACK_CLEAR_REGISTERS:
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`CU_ACK_CLEAR_REGISTERS:
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begin
|
begin
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`ifdef DEBUG
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`ifdef DEBUG
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`LOGME"%d CU_ACK_CLEAR_REGISTERS\n", $time);
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`LOGME"%d CU_ACK_CLEAR_REGISTERS\n", $time);
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`endif
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`endif
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oRamBusOwner <= 0;
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oRamBusOwner <= 0;
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oUCodeInstructioPointer <= 0;
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oUCodeInstructioPointer <= 0;
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oGFUEnable <= 0;
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oGFUEnable <= 0;
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oUCodeEnable <= 0; //*
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oUCodeEnable <= 0; //*
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oIOWritePixel <= 0;
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oIOWritePixel <= 0;
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rResetHitFlop <= 0;
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rResetHitFlop <= 0;
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rHitFlopEnable <= 0;
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rHitFlopEnable <= 0;
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oTriggerTFF <= 0;
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oTriggerTFF <= 0;
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oSetCurrentPitch <= 0;
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oSetCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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//oIncCurrentPitch <= 0;
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|
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NextState <= `CU_WAIT_FOR_CONFIG_DATA_READ;
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NextState <= `CU_WAIT_FOR_CONFIG_DATA_READ;
|
end
|
end
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|
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|
|
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_CONFIG_DATA_READ:
|
`CU_WAIT_FOR_CONFIG_DATA_READ:
|
begin
|
begin
|
$display("CU_WAIT_FOR_CONFIG_DATA_READ");
|
$display("CU_WAIT_FOR_CONFIG_DATA_READ");
|
// `ifdef DEBUG
|
// `ifdef DEBUG
|
// `LOGME"%d Control: CU_WAIT_FOR_CONFIG_DATA_READ\n",$time);
|
// `LOGME"%d Control: CU_WAIT_FOR_CONFIG_DATA_READ\n",$time);
|
// `endif
|
// `endif
|
|
|
oRamBusOwner <= 0;//`REG_BUS_OWNED_BY_BCU;
|
oRamBusOwner <= 0;//`REG_BUS_OWNED_BY_BCU;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
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rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( MST_I == 0 )
|
if ( MST_I == 0 )
|
NextState <= `CU_PRECALCULATE_CONSTANTS;
|
NextState <= `CU_PRECALCULATE_CONSTANTS;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_CONFIG_DATA_READ;
|
NextState <= `CU_WAIT_FOR_CONFIG_DATA_READ;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_PRECALCULATE_CONSTANTS:
|
`CU_PRECALCULATE_CONSTANTS:
|
begin
|
begin
|
$display("CU_PRECALCULATE_CONSTANTS");
|
$display("CU_PRECALCULATE_CONSTANTS");
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_PRECALCULATE_CONSTANTS\n", $time);
|
`LOGME"%d Control: CU_PRECALCULATE_CONSTANTS\n", $time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `CPPU_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `CPPU_UCODE_ADDRESS;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oUCodeEnable <= 1; //*
|
oUCodeEnable <= 1; //*
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_WAIT_FOR_CONSTANT;
|
NextState <= `CU_WAIT_FOR_CONSTANT;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_CONSTANT:
|
`CU_WAIT_FOR_CONSTANT:
|
begin
|
begin
|
// `ifdef DEBUG
|
// `ifdef DEBUG
|
// `LOGME"%d Control: CU_WAIT_FOR_CONSTANT\n", $time);
|
// `LOGME"%d Control: CU_WAIT_FOR_CONSTANT\n", $time);
|
// `endif
|
// `endif
|
|
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `CPPU_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `CPPU_UCODE_ADDRESS;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone )
|
if ( iUCodeDone )
|
NextState <= `CU_ACK_PRECALCULATE_CONSTANTS;
|
NextState <= `CU_ACK_PRECALCULATE_CONSTANTS;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_CONSTANT;
|
NextState <= `CU_WAIT_FOR_CONSTANT;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_ACK_PRECALCULATE_CONSTANTS:
|
`CU_ACK_PRECALCULATE_CONSTANTS:
|
begin
|
begin
|
$display("CU_ACK_PRECALCULATE_CONSTANTS");
|
$display("CU_ACK_PRECALCULATE_CONSTANTS");
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_ACK_PRECALCULATE_CONSTANTS\n", $time);
|
`LOGME"%d Control: CU_ACK_PRECALCULATE_CONSTANTS\n", $time);
|
`endif
|
`endif
|
|
|
|
|
oRamBusOwner <= 0;//`REG_BUS_OWNED_BY_BCU;
|
oRamBusOwner <= 0;//`REG_BUS_OWNED_BY_BCU;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_TRIGGER_RGU;//CU_WAIT_FOR_TASK;
|
NextState <= `CU_TRIGGER_RGU;//CU_WAIT_FOR_TASK;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_TRIGGER_RGU:
|
`CU_TRIGGER_RGU:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_RGU\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_RGU\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `RGU_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `RGU_UCODE_ADDRESS;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oUCodeEnable <= 1; //*
|
oUCodeEnable <= 1; //*
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_WAIT_FOR_RGU;
|
NextState <= `CU_WAIT_FOR_RGU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_RGU:
|
`CU_WAIT_FOR_RGU:
|
begin
|
begin
|
|
|
// `ifdef DEBUG
|
// `ifdef DEBUG
|
// `LOGME"%d Control: CU_WAIT_FOR_RGU\n",$time);
|
// `LOGME"%d Control: CU_WAIT_FOR_RGU\n",$time);
|
// `endif
|
// `endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone )
|
if ( iUCodeDone )
|
NextState <= `CU_ACK_RGU;
|
NextState <= `CU_ACK_RGU;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_RGU;
|
NextState <= `CU_WAIT_FOR_RGU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_ACK_RGU:
|
`CU_ACK_RGU:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_ACK_RGU\n",$time);
|
`LOGME"%d Control: CU_ACK_RGU\n",$time);
|
`endif
|
`endif
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone == 0)
|
if ( iUCodeDone == 0)
|
NextState <= `CU_TRIGGER_GEO;
|
NextState <= `CU_TRIGGER_GEO;
|
else
|
else
|
NextState <= `CU_ACK_RGU;
|
NextState <= `CU_ACK_RGU;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_TRIGGER_GEO:
|
`CU_TRIGGER_GEO:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_GEO\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_GEO\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 1;
|
oGFUEnable <= 1;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 1; //*
|
rResetHitFlop <= 1; //*
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_WAIT_FOR_GEO_SYNC;
|
NextState <= `CU_WAIT_FOR_GEO_SYNC;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_GEO_SYNC:
|
`CU_WAIT_FOR_GEO_SYNC:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_WAIT_FOR_GEO_SYNC\n",$time);
|
`LOGME"%d Control: CU_WAIT_FOR_GEO_SYNC\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 0; //Change AUg 15
|
oGFUEnable <= 0; //Change AUg 15
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if (iGEOSync & iTriggerAABBIURequest )
|
if (iGEOSync & iTriggerAABBIURequest )
|
NextState <= `CU_TRIGGER_AABBIU;
|
NextState <= `CU_TRIGGER_AABBIU;
|
else if (iGEOSync & iTriggerBIURequest)
|
else if (iGEOSync & iTriggerBIURequest)
|
NextState <= `CU_TRIGGER_BIU;
|
NextState <= `CU_TRIGGER_BIU;
|
else if (iGEOSync & iTriggertTCCRequest )
|
else if (iGEOSync & iTriggertTCCRequest )
|
NextState <= `CU_TRIGGER_TCC;
|
NextState <= `CU_TRIGGER_TCC;
|
else if (iGEOSync & iGFUDone )
|
else if (iGEOSync & iGFUDone )
|
NextState <= `CU_CHECK_HIT;
|
NextState <= `CU_CHECK_HIT;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_GEO_SYNC;
|
NextState <= `CU_WAIT_FOR_GEO_SYNC;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_TRIGGER_TCC:
|
`CU_TRIGGER_TCC:
|
begin
|
begin
|
//$display("CU_TRIGGER_TCC");
|
//$display("CU_TRIGGER_TCC");
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_TCC\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_TCC\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `TCC_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `TCC_UCODE_ADDRESS;
|
oUCodeEnable <= 1; //*
|
oUCodeEnable <= 1; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `WAIT_FOR_TCC;
|
NextState <= `WAIT_FOR_TCC;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`WAIT_FOR_TCC:
|
`WAIT_FOR_TCC:
|
begin
|
begin
|
|
|
//$display("WAIT_FOR_TCC");
|
//$display("WAIT_FOR_TCC");
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `TCC_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `TCC_UCODE_ADDRESS;
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone )
|
if ( iUCodeDone )
|
NextState <= `CU_ACK_UCODE;
|
NextState <= `CU_ACK_UCODE;
|
else
|
else
|
NextState <= `WAIT_FOR_TCC;
|
NextState <= `WAIT_FOR_TCC;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
/*
|
/*
|
Was there any hit at all?
|
Was there any hit at all?
|
At this point, all the triangles in the list
|
At this point, all the triangles in the list
|
have been traversed looking for a hit with our ray.
|
have been traversed looking for a hit with our ray.
|
There are 3 possibilities:
|
There are 3 possibilities:
|
1) The was not a single hit, then just paint a black
|
1) The was not a single hit, then just paint a black
|
pixel on the screen and send it via PCU.
|
pixel on the screen and send it via PCU.
|
2)There was a hit and Texturing is not enabled, then trigger the PSU with
|
2)There was a hit and Texturing is not enabled, then trigger the PSU with
|
no texturing
|
no texturing
|
2) There was a hit and Texturing is enabled, then fetch the texture
|
2) There was a hit and Texturing is enabled, then fetch the texture
|
values corresponding to the triangle that we hitted.
|
values corresponding to the triangle that we hitted.
|
*/
|
*/
|
`CU_CHECK_HIT:
|
`CU_CHECK_HIT:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_CHECK_HIT\n",$time);
|
`LOGME"%d Control: CU_CHECK_HIT\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 0; ///CHANGED Aug 15
|
oGFUEnable <= 0; ///CHANGED Aug 15
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if (wHit && !iControlRegister[`CR_EN_TEXTURE] )
|
if (wHit && !iControlRegister[`CR_EN_TEXTURE] )
|
NextState <= `CU_TRIGGER_PSU;
|
NextState <= `CU_TRIGGER_PSU;
|
else if (wHit && iControlRegister[`CR_EN_TEXTURE])
|
else if (wHit && iControlRegister[`CR_EN_TEXTURE])
|
NextState <= `CU_TRIGGER_TFF; //Fetch the texture values from external RAM
|
NextState <= `CU_TRIGGER_TFF; //Fetch the texture values from external RAM
|
else
|
else
|
NextState <= `CU_TRIGGER_PCU; //Make sure contents of the OUT_REG are ZERo!
|
NextState <= `CU_TRIGGER_PCU; //Make sure contents of the OUT_REG are ZERo!
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
/*
|
/*
|
Get the texture values from external RAM.
|
Get the texture values from external RAM.
|
GFU already took care of calculating the correct
|
GFU already took care of calculating the correct
|
texture addresses for the 4 coordinates so now lets
|
texture addresses for the 4 coordinates so now lets
|
just ask for them.
|
just ask for them.
|
*/
|
*/
|
`CU_TRIGGER_TFF:
|
`CU_TRIGGER_TFF:
|
begin
|
begin
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_TFF\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_TFF\n",$time);
|
`endif
|
`endif
|
|
|
//$display("CU_TRIGGER_TFF");
|
//$display("CU_TRIGGER_TFF");
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 1;
|
oGFUEnable <= 1;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 1; //*
|
oTriggerTFF <= 1; //*
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_WAIT_FOR_TFF;
|
NextState <= `CU_WAIT_FOR_TFF;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_TFF:
|
`CU_WAIT_FOR_TFF:
|
begin
|
begin
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 0; //Changed Aug 14
|
oGFUEnable <= 0; //Changed Aug 14
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if (iTFFDone)
|
if (iTFFDone)
|
NextState <= `CU_TRIGGER_PSU_WITH_TEXTURE;
|
NextState <= `CU_TRIGGER_PSU_WITH_TEXTURE;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_TFF;
|
NextState <= `CU_WAIT_FOR_TFF;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_TRIGGER_PSU_WITH_TEXTURE:
|
`CU_TRIGGER_PSU_WITH_TEXTURE:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_PSU_WITH_TEXTURE\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_PSU_WITH_TEXTURE\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `PSU_UCODE_ADRESS2;
|
oUCodeInstructioPointer <= `PSU_UCODE_ADRESS2;
|
oUCodeEnable <= 1;
|
oUCodeEnable <= 1;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_WAIT_FOR_PSU;
|
NextState <= `CU_WAIT_FOR_PSU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_TRIGGER_AABBIU:
|
`CU_TRIGGER_AABBIU:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_AABBIU\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_AABBIU\n",$time);
|
`endif
|
`endif
|
// $stop();
|
// $stop();
|
oRamBusOwner <= wAABBIUAddress;//`REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= wAABBIUAddress;//`REG_BUS_OWNED_BY_UCODE;
|
|
|
oUCodeInstructioPointer <=`AABBIU_UCODE_ADDRESS;
|
oUCodeInstructioPointer <=`AABBIU_UCODE_ADDRESS;
|
oUCodeEnable <= 1;
|
oUCodeEnable <= 1;
|
oGFUEnable <= 1;
|
oGFUEnable <= 1;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_WAIT_FOR_AABBIU;
|
NextState <= `CU_WAIT_FOR_AABBIU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_AABBIU:
|
`CU_WAIT_FOR_AABBIU:
|
begin
|
begin
|
|
|
|
|
// `ifdef DEBUG
|
// `ifdef DEBUG
|
// `LOGME"%d Control: CU_WAIT_FOR_AABBIU\n",$time);
|
// `LOGME"%d Control: CU_WAIT_FOR_AABBIU\n",$time);
|
// `endif
|
// `endif
|
|
|
|
|
// $display("iUCodeDone",iUCodeDone);
|
// $display("iUCodeDone",iUCodeDone);
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `AABBIU_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `AABBIU_UCODE_ADDRESS;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 1;
|
oGFUEnable <= 1;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone )
|
if ( iUCodeDone )
|
begin
|
begin
|
// $display("iUCodeDone\n",iUCodeDone);
|
// $display("iUCodeDone\n",iUCodeDone);
|
// $stop();
|
// $stop();
|
NextState <= `CU_ACK_UCODE;
|
NextState <= `CU_ACK_UCODE;
|
end
|
end
|
else
|
else
|
NextState <= `CU_WAIT_FOR_AABBIU;
|
NextState <= `CU_WAIT_FOR_AABBIU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_TRIGGER_BIU:
|
`CU_TRIGGER_BIU:
|
begin
|
begin
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_BIU\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_BIU\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `BIU_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `BIU_UCODE_ADDRESS;
|
oUCodeEnable <= 1;
|
oUCodeEnable <= 1;
|
oGFUEnable <= 1;
|
oGFUEnable <= 1;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;//1;
|
rResetHitFlop <= 0;//1;
|
rHitFlopEnable <= 1;
|
rHitFlopEnable <= 1;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
// $stop();
|
// $stop();
|
|
|
NextState <= `CU_WAIT_FOR_BIU;
|
NextState <= `CU_WAIT_FOR_BIU;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_BIU:
|
`CU_WAIT_FOR_BIU:
|
begin
|
begin
|
// `ifdef DEBUG
|
// `ifdef DEBUG
|
// `LOGME"%d Control: CU_WAIT_FOR_BIU\n",$time);
|
// `LOGME"%d Control: CU_WAIT_FOR_BIU\n",$time);
|
// `endif
|
// `endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `BIU_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `BIU_UCODE_ADDRESS;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 1;
|
oGFUEnable <= 1;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 1;
|
rHitFlopEnable <= 1;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone )
|
if ( iUCodeDone )
|
NextState <= `CU_ACK_UCODE;
|
NextState <= `CU_ACK_UCODE;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_BIU;
|
NextState <= `CU_WAIT_FOR_BIU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
/*
|
/*
|
ACK UCODE by setting oUCodeEnable = 0
|
ACK UCODE by setting oUCodeEnable = 0
|
*/
|
*/
|
`CU_ACK_UCODE:
|
`CU_ACK_UCODE:
|
begin
|
begin
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_ACK_UCODE\n",$time);
|
`LOGME"%d Control: CU_ACK_UCODE\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0; //Changed Aug 15
|
oGFUEnable <= 0; //Changed Aug 15
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
// $stop();
|
// $stop();
|
|
|
if ( iUCodeDone == 0 )
|
if ( iUCodeDone == 0 )
|
NextState <= `CU_WAIT_FOR_GEO_SYNC;
|
NextState <= `CU_WAIT_FOR_GEO_SYNC;
|
else
|
else
|
NextState <= `CU_ACK_UCODE;
|
NextState <= `CU_ACK_UCODE;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
/*
|
/*
|
Here we no longer use GFU so set Enable to zero
|
Here we no longer use GFU so set Enable to zero
|
*/
|
*/
|
`CU_TRIGGER_PSU:
|
`CU_TRIGGER_PSU:
|
begin
|
begin
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_PSU\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_PSU\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `PSU_UCODE_ADRESS;
|
oUCodeInstructioPointer <= `PSU_UCODE_ADRESS;
|
oUCodeEnable <= 1;
|
oUCodeEnable <= 1;
|
oGFUEnable <= 0;//*
|
oGFUEnable <= 0;//*
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
|
|
NextState <= `CU_WAIT_FOR_PSU;
|
NextState <= `CU_WAIT_FOR_PSU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_PSU:
|
`CU_WAIT_FOR_PSU:
|
begin
|
begin
|
|
|
// `ifdef DEBUG
|
// `ifdef DEBUG
|
// `LOGME"%d Control: CU_TRIGGER_PSU\n",$time);
|
// `LOGME"%d Control: CU_TRIGGER_PSU\n",$time);
|
// `endif
|
// `endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `PSU_UCODE_ADRESS;
|
oUCodeInstructioPointer <= `PSU_UCODE_ADRESS;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
|
|
if ( iUCodeDone )
|
if ( iUCodeDone )
|
NextState <= `CU_ACK_PSU;
|
NextState <= `CU_ACK_PSU;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_PSU;
|
NextState <= `CU_WAIT_FOR_PSU;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_ACK_PSU:
|
`CU_ACK_PSU:
|
begin
|
begin
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_ACK_PSU\n",$time);
|
`LOGME"%d Control: CU_ACK_PSU\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone == 0)
|
if ( iUCodeDone == 0)
|
NextState <= `CU_TRIGGER_PCU;
|
NextState <= `CU_TRIGGER_PCU;
|
else
|
else
|
NextState <= `CU_ACK_PSU;
|
NextState <= `CU_ACK_PSU;
|
|
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
/*
|
/*
|
Trigger the Pixel Commit.
|
Trigger the Pixel Commit.
|
*/
|
*/
|
`CU_TRIGGER_PCU:
|
`CU_TRIGGER_PCU:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_PCU\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_PCU\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 1; //*
|
oIOWritePixel <= 1; //*
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
|
|
NextState <= `CU_SET_PICTH;
|
NextState <= `CU_SET_PICTH;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_SET_PICTH:
|
`CU_SET_PICTH:
|
begin
|
begin
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 1; //*
|
oIOWritePixel <= 1; //*
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 1; //*
|
oSetCurrentPitch <= 1; //*
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
|
|
NextState <= `CU_WAIT_FOR_PCU;
|
NextState <= `CU_WAIT_FOR_PCU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_FOR_PCU:
|
`CU_WAIT_FOR_PCU:
|
begin
|
begin
|
|
|
// `ifdef DEBUG
|
// `ifdef DEBUG
|
// `LOGME"%d Control: CU_WAIT_FOR_PCU\n",$time);
|
// `LOGME"%d Control: CU_WAIT_FOR_PCU\n",$time);
|
// `endif
|
// `endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 1;
|
oIOWritePixel <= 1;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iIODone )
|
if ( iIODone )
|
NextState <= `CU_ACK_PCU;
|
NextState <= `CU_ACK_PCU;
|
else
|
else
|
NextState <= `CU_WAIT_FOR_PCU;
|
NextState <= `CU_WAIT_FOR_PCU;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_ACK_PCU:
|
`CU_ACK_PCU:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_ACK_PCU\n",$time);
|
`LOGME"%d Control: CU_ACK_PCU\n",$time);
|
`endif
|
`endif
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_GFU;
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_TRIGGER_NPU;
|
NextState <= `CU_TRIGGER_NPU;
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_TRIGGER_NPU: //Next Pixel Unit
|
`CU_TRIGGER_NPU: //Next Pixel Unit
|
begin
|
begin
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_TRIGGER_NPU\n",$time);
|
`LOGME"%d Control: CU_TRIGGER_NPU\n",$time);
|
`endif
|
`endif
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `NPG_UCODE_ADDRESS; //*
|
oUCodeInstructioPointer <= `NPG_UCODE_ADDRESS; //*
|
oUCodeEnable <= 1; //*
|
oUCodeEnable <= 1; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_WAIT_NPU;
|
NextState <= `CU_WAIT_NPU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_WAIT_NPU:
|
`CU_WAIT_NPU:
|
begin
|
begin
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= `NPG_UCODE_ADDRESS;
|
oUCodeInstructioPointer <= `NPG_UCODE_ADDRESS;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone )
|
if ( iUCodeDone )
|
NextState <= `CU_ACK_NPU;
|
NextState <= `CU_ACK_NPU;
|
else
|
else
|
NextState <= `CU_WAIT_NPU;
|
NextState <= `CU_WAIT_NPU;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
`CU_ACK_NPU:
|
`CU_ACK_NPU:
|
begin
|
begin
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: CU_ACK_PSU\n",$time);
|
`LOGME"%d Control: CU_ACK_PSU\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oRamBusOwner <= `REG_BUS_OWNED_BY_UCODE;
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeInstructioPointer <= 0; //*
|
oUCodeEnable <= 0; //*
|
oUCodeEnable <= 0; //*
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
if ( iUCodeDone == 0)
|
if ( iUCodeDone == 0)
|
NextState <= `CU_TRIGGER_RGU;
|
NextState <= `CU_TRIGGER_RGU;
|
else
|
else
|
NextState <= `CU_ACK_NPU;
|
NextState <= `CU_ACK_NPU;
|
|
|
|
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
default:
|
default:
|
begin
|
begin
|
|
|
`ifdef DEBUG
|
`ifdef DEBUG
|
`LOGME"%d Control: ERRO Undefined State\n",$time);
|
`LOGME"%d Control: ERRO Undefined State\n",$time);
|
`endif
|
`endif
|
|
|
oRamBusOwner <= 0;
|
oRamBusOwner <= 0;
|
oUCodeInstructioPointer <= 0;
|
oUCodeInstructioPointer <= 0;
|
oUCodeEnable <= 0;
|
oUCodeEnable <= 0;
|
oGFUEnable <= 0;
|
oGFUEnable <= 0;
|
oIOWritePixel <= 0;
|
oIOWritePixel <= 0;
|
rResetHitFlop <= 0;
|
rResetHitFlop <= 0;
|
rHitFlopEnable <= 0;
|
rHitFlopEnable <= 0;
|
oTriggerTFF <= 0;
|
oTriggerTFF <= 0;
|
oSetCurrentPitch <= 0;
|
oSetCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
//oIncCurrentPitch <= 0;
|
|
|
NextState <= `CU_AFTER_RESET_STATE;
|
NextState <= `CU_AFTER_RESET_STATE;
|
end
|
end
|
//-----------------------------------------
|
//-----------------------------------------
|
|
|
endcase
|
endcase
|
|
|
end //always
|
end //always
|
endmodule
|
endmodule
|
|
|
