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; * The definition of the "register test" tasks, as described at the top of
; * main.c




	.global usRegTest1Counter
	.global usRegTest2Counter
	.global vPortYield
	
	.def vRegTest1Task
	.def vRegTest2Task

	.text

vRegTest1Task:

	; Fill each general purpose register with a known value.
	movx.a	#0x44444, r4
	movx.a	#0x55555, r5
	movx.a	#0x66666, r6
	movx.a	#0x77777, r7
	movx.a	#0x88888, r8
	movx.a	#0x99999, r9
	movx.a	#0xaaaaa, r10
	movx.a	#0xbbbbb, r11
	movx.a	#0xccccc, r12
	movx.a	#0xddddd, r13
	movx.a	#0xeeeee, r14
	movx.a	#0xfffff, r15
	
prvRegTest1Loop:

	; Test each general purpose register to check that it still contains the
	; expected known value, jumping to vRegTest1Error if any register contains
	; an unexpected value.
	cmpx.a	#0x44444, r4
	jne		vRegTest1Error
	cmpx.a	#0x55555, r5
	jne		vRegTest1Error
	cmpx.a	#0x66666, r6
	jne		vRegTest1Error
	cmpx.a	#0x77777, r7
	jne		vRegTest1Error
	cmpx.a	#0x88888, r8
	jne		vRegTest1Error
	cmpx.a	#0x99999, r9
	jne		vRegTest1Error
	cmpx.a	#0xaaaaa, r10
	jne		vRegTest1Error
	cmpx.a	#0xbbbbb, r11
	jne		vRegTest1Error
	cmpx.a	#0xccccc, r12
	jne		vRegTest1Error
	cmpx.a	#0xddddd, r13
	jne		vRegTest1Error
	cmpx.a	#0xeeeee, r14
	jne		vRegTest1Error
	cmpx.a	#0xfffff, r15
	jne		vRegTest1Error
	
	; This task is still running without jumping to vRegTest1Error, so increment
	; the loop counter so the check task knows the task is running error free.
	incx.w	&usRegTest1Counter
	
	; Loop again, performing the same tests.
	jmp		prvRegTest1Loop
	nop

	
vRegTest1Error:
	jmp vRegTest1Error
	nop
	
; -----------------------------------------------------------

; See the comments in vRegTest1Task.  This task is the same, it just uses
; different values in its registers.
vRegTest2Task:

	movx.a	#0x14441, r4
	movx.a	#0x15551, r5
	movx.a	#0x16661, r6
	movx.a	#0x17771, r7
	movx.a	#0x18881, r8
	movx.a	#0x19991, r9
	movx.a	#0x1aaa1, r10
	movx.a	#0x1bbb1, r11
	movx.a	#0x1ccc1, r12
	movx.a	#0x1ddd1, r13
	movx.a	#0x1eee1, r14
	movx.a	#0x1fff1, r15
	
prvRegTest2Loop:

	cmpx.a	#0x14441, r4
	jne		vRegTest2Error
	cmpx.a	#0x15551, r5
	jne		vRegTest2Error
	cmpx.a	#0x16661, r6
	jne		vRegTest2Error
	cmpx.a	#0x17771, r7
	jne		vRegTest2Error
	cmpx.a	#0x18881, r8
	jne		vRegTest2Error
	cmpx.a	#0x19991, r9
	jne		vRegTest2Error
	cmpx.a	#0x1aaa1, r10
	jne		vRegTest2Error
	cmpx.a	#0x1bbb1, r11
	jne		vRegTest2Error
	cmpx.a	#0x1ccc1, r12
	jne		vRegTest2Error
	cmpx.a	#0x1ddd1, r13
	jne		vRegTest2Error
	cmpx.a	#0x1eee1, r14
	jne		vRegTest2Error
	cmpx.a	#0x1fff1, r15
	jne		vRegTest2Error
	
	; Also perform a manual yield, just to increase the scope of the test.
	calla 	#vPortYield
	
	incx.w	&usRegTest2Counter
	jmp		prvRegTest2Loop
	nop

	
vRegTest2Error:
	jmp vRegTest2Error
	nop
; /*-----------------------------------------------------------

     		
	.end