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;/*

;    FreeRTOS V6.1.1 - Copyright (C) 2011 Real Time Engineers Ltd.

;

;    ***************************************************************************

;    *                                                                         *

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;    *                                                                         *

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;

;    This file is part of the FreeRTOS distribution.

;

;    FreeRTOS is free software; you can redistribute it and/or modify it under

;    the terms of the GNU General Public License (version 2) as published by the

;    Free Software Foundation AND MODIFIED BY the FreeRTOS exception.

;    ***NOTE*** The exception to the GPL is included to allow you to distribute

;    a combined work that includes FreeRTOS without being obliged to provide the

;    source code for proprietary components outside of the FreeRTOS kernel.

;    FreeRTOS 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 and the FreeRTOS license exception along with FreeRTOS; if not it

;    can be viewed here: http://www.freertos.org/a00114.html and also obtained

;    by writing to Richard Barry, contact details for whom are available on the

;    FreeRTOS WEB site.

;

;    1 tab == 4 spaces!

;

;    http://www.FreeRTOS.org - Documentation, latest information, license and

;    contact details.

;

;    http://www.SafeRTOS.com - A version that is certified for use in safety

;    critical systems.

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;    http://www.OpenRTOS.com - Commercial support, development, porting,

;    licensing and training services.

;*/

;

; This file defines the RegTest tasks as described at the top of main.c

;

;------------------------------------------------------------------------------

#if __CORE__ != __78K0R__

        #error "This file is only for 78K0R Devices"

#endif

; Functions implemented in this file

;------------------------------------------------------------------------------

        PUBLIC    vRegTest1

        PUBLIC    vRegTest2

; Functions used by this file

;------------------------------------------------------------------------------

        EXTERN    vRegTestError

;------------------------------------------------------------------------------

;   Fill all the registers with known values, then check that the registers

;   contain the expected value.  An incorrect value being indicative of an

;   error in the context switch mechanism.

;

;   Input:  NONE

;

;   Call:   Created as a task.

;

;   Output: NONE

;

;------------------------------------------------------------------------------

    RSEG CODE:CODE

vRegTest1:

        ; First fill the registers.

        MOVW    AX, #0x1122

        MOVW    BC, #0x3344

        MOVW    DE, #0x5566

        MOVW    HL, #0x7788

        MOV             CS, #0x01

#if configMEMORY_MODE == 1

        ; ES is not saved or restored when using the near memory model so only

        ; test it when using the far model.

        MOV             ES, #0x02

#endif

loop1:

        ; Continuously check that the register values remain at their expected

        ; values.  The BRK is to test the yield.  This task runs at low priority

        ; so will also regularly get preempted.

        BRK

        ; Compare with the expected value.

        CMPW    AX, #0x1122

        BZ              +5

        ; Jump over the branch to vRegTestError() if the register contained the

        ; expected value - otherwise flag an error by executing vRegTestError().

        BR              vRegTestError

        ; Repeat for all the registers.

        MOVW    AX, BC

        CMPW    AX, #0x3344

        BZ              +5

        BR              vRegTestError

        MOVW    AX, DE

        CMPW    AX, #0x5566

        BZ              +5

        BR              vRegTestError

        MOVW    AX, HL

        CMPW    AX, #0x7788

        BZ              +5

        BR              vRegTestError

        MOV             A, CS

        CMP             A, #0x01

        BZ              +5

        BR              vRegTestError

#if configMEMORY_MODE == 1

        ; ES is not saved or restored when using the near memory model so only

        ; test it when using the far model.

        MOV             A, ES

        CMP             A, #0x02

        BZ              +5

        BR              vRegTestError

#endif

        MOVW    AX, #0x1122

        BR              loop1

;------------------------------------------------------------------------------

;   Fill all the registers with known values, then check that the registers

;   contain the expected value.  An incorrect value being indicative of an

;   error in the context switch mechanism.

;

;   Input:  NONE

;

;   Call:   Created as a task.

;

;   Output: NONE

;

;------------------------------------------------------------------------------

    RSEG CODE:CODE

vRegTest2:

        MOVW    AX, #0x99aa

        MOVW    BC, #0xbbcc

        MOVW    DE, #0xddee

        MOVW    HL, #0xff12

        MOV             CS, #0x03

#if configMEMORY_MODE == 1

        MOV             ES, #0x04

#endif

loop2:

        CMPW    AX, #0x99aa

        BZ              +5

        BR              vRegTestError

        MOVW    AX, BC

        CMPW    AX, #0xbbcc

        BZ              +5

        BR              vRegTestError

        MOVW    AX, DE

        CMPW    AX, #0xddee

        BZ              +5

        BR              vRegTestError

        MOVW    AX, HL

        CMPW    AX, #0xff12

        BZ              +5

        BR              vRegTestError

        MOV             A, CS

        CMP             A, #0x03

        BZ              +5

        BR              vRegTestError

#if configMEMORY_MODE == 1

        MOV             A, ES

        CMP             A, #0x04

        BZ              +5

        BR              vRegTestError

#endif

        MOVW    AX, #0x99aa

        BR              loop2

        END