In SX Microcontrollers, SX/B Compiler and SX-Key Tool, Vertex78 wrote:

Sure, I welcome the help. This is causing me a big headache trying to figure out!

[code]
;DEVICE          SX52, OSC4MHZ 
DEVICE SX52
IRC_CAL IRC_SLOW
DEVICE        OSCHS3        ; High-speed external oscillator
RESET initialize
FREQ 80_000_000
 

;**********
; EQUATES
;**********
;timer1
rT1CPL			EQU		$00
rT1CPH			EQU		$01
rT1R2CML		EQU		$02
rT1R2CMH		EQU		$03
rT1R1CML		EQU		$04
rT1R1CMH		EQU		$05
rT1CNTB			EQU		$06
rT1CNTA			EQU		$07
wT1R2CML		EQU		$12
wT1R2CMH		EQU		$13
wT1R1CML		EQU		$14
wT1R1CMH		EQU		$15
wT1CNTB			EQU		$16
wT1CNTA			EQU		$17

;timer2
rT2CPL			EQU		$00
rT2CPH			EQU		$01
rT2R2CML		EQU		$02
rT2R2CMH		EQU		$03
rT2R1CML		EQU		$04
rT2R1CMH		EQU		$05
rT2CNTB			EQU		$06
rT2CNTA			EQU		$07
wT2R2CML		EQU		$12
wT2R2CMH		EQU		$13
wT2R1CML		EQU		$14
wT2R1CMH		EQU		$15
wT2CNTB			EQU		$16
wT2CNTA			EQU		$17

FLAG1			EQU		%00001000
FLAG2			EQU		%00010000

org $0a
d1	ds	1
d2 	ds	1
d3 	ds	1

org $0
	
	
isr


	
reti

initialize
 
	mov !rb, #%00001111 ;timer 1
	mov !rc, #%11110000 ;timer 2

;----------------------------------------------------
; timer 1 setup
;----------------------------------------------------

	;setup for prescale of 1:64 and pwm mode
	mov w,#wT1CNTB ;16
	mov m,w
	mov w,#%00011001
	mov !rb,w

	;setup interrupts(turned off)
	mov w,#wT1CNTA
	mov m,w
	mov w,#%00000000
	mov !rb,w

	;r1
	;load t1 compare register1 
	mov w,#wT1R1CML ;14h
	mov m,w
	mov w, #96
	mov !rb,w
	mov w,#wT1R1CMH ;15h
	mov m,w
	mov w,#4
	mov !rb,w

	;r2
	;load t1 compare register2 
	mov w,#wT1R2CML ;12h
	mov m,w
	mov w, #96
	mov !rb,w
	mov w,#wT1R2CMH ;13h
	mov m,w
	mov w,#4
	mov !rb,w
;----------------------------------------------------
;timer2 setup
;----------------------------------------------------
	;clear timer 2
	mov w,#$10
	mov m,w
	mov !rc,w

	;setup for prescale of 1:64 and pwm mode
	mov w,#wT2CNTB ;16
	mov m,w
	mov w,#%00011001
	mov !rc,w

	;setup interrupts(turned off)
	mov w,#wT2CNTA
	mov m,w
	mov w,#%00000000
	mov !rc,w

	;r1
	;load t2 compare register1 
	mov w,#wT2R1CML ;14h
	mov m,w
	mov w, #96 
	mov !rc,w
	mov w,#wT2R1CMH ;15h
	mov m,w
	mov w,#4
	mov !rc,w

	;r2
	;load t2 compare register2 
	mov w,#wT2R2CML ;12h
	mov m,w
	mov w, #96
	mov !rc,w
	mov w,#wT2R2CMH ;13h
	mov m,w
	mov w,#4
	mov !rc,w
	
;----------------------------------------------------
;clear timers
;----------------------------------------------------
	mov w,#$10
	mov m,w
	mov !rb,w

	;delay here to cause timer 2 to be out of phase with timer 1(but does not work for some reason)
	;14us delay
	mov	w, #$9F
	mov	d1, w
	mov	w, #$01
	mov	d2, w
Delay_0:
	decsz	d1
	jmp	$+2
	decsz	d2
	jmp	Delay_0

			;6 cycles
	jmp	$+1
	jmp	$+1
	

	;clear timer2
	mov w,#$10
	mov m,w
	mov !rc,w

	mov w,#$1f
	mov m,w

main
	
jmp main
[/code]

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