Test Programs:

.def flags = r00
.def hexLow = r08
.def hexHigh = r09
.def decPoint = r0a
.def ledLow = r0c
.def ledHigh = r0d
.def swLow = r0c
.def swHigh = r0d

;Program 1
;Set registers to predetermined value.

.org 0x0000

	ldi aa,ledLow
	ldi 55,ledHigh
	ldi aa,hexLow
	ldi 55,hexHigh

;Program 2
;Turn on each LED whose switch is on.

.org 0x0000

loop:
	mov swLow, ledLow
	mov swLow, hexLow
	mov swHigh, ledHigh
	mov swHigh, hexHigh
	jmp loop

;Program 3
;If r10 == r11 turn ledLow on. If r10 == r12 turn ledHigh on.

.org 0x0000

	ldi aa,r10
	ldi 55,r11
	ldi aa,r12
	cmp r10,r11
	breq led0
check:
	cmp r10,r12
	breq led1
loop:
	jmp loop

led0:
	ldi FF,ledLow
	jmp check

led1:
	ldi FF,ledHigh
	jmp loop

;Program 4
;If swLow == swHigh then turn dps on.

.org 0x0000

loop:
	mov swLow,ledLow
	mov swHigh,ledHigh
	mov swLow,hexLow
	mov swHigh,hexHigh
	cmp swLow,swHigh
	breq dpOn
	jmp dpOff

dpOn:
	ldi 0F,decPoint
	jmp loop

dpOff:
	ldi 00,decPoint
	jmp loop

;Program 5
;Load byte from memory, write to that address and then read it again.

.def reg = r10
.def memL = r11
.def memH = r12

.org 0x0000

	ldi c3,reg
	ldi LOW(memByte),memL
	ldi HIGH(memByte),memH
	ld memL,ledLow
	st reg,memL
	ld memL,ledHigh
loop:
	jmp loop

memByte:
.byte 8b