sinusoidal pwm

[bwaxing]

hellow,
i'm trying to simulate this code on proteus isis but m getting nothing meaningful.My code compile succesfully...i need help..please

define OSC 20

;*****************VARIABLE DECLARATION*************************************** ***
wsave VAR BYTE $70 SYSTEM ' alternate save location for W
wsave1 VAR BYTE $A0 SYSTEM ' location for W if in bank1
wsave2 VAR BYTE $120 SYSTEM ' location for W if in bank2
wsave3 VAR BYTE $1A0 SYSTEM ' location for W if in bank3
STEPCOUNT var byte 'Define stepcount as byte type variable
stepcount = 256

;**************SETTING THE REGISTERS WITH APPROPIATE BIT DEFINITION*************
ADCON0 = %00000000
ADCON1 = %00000000 ;all anolog output
trisb = %11111111 ;define porta as input
trisc = %11111011 ;make ccp1/portc.2 an output pin
trisa = %11111111 ;define porta as input
TMR2 = 16
PR2 = 34 ;set for 36Khz HPWM(=72 steps*10 times*50hz)
CCP1CON = %000001100 ;set to pwm mode
T2CON=%00000110 ;enable timer2 and set timer2 prescaler value of 1:4

;****************A sine lookup table in an array********************************
sineval var byte[72]
sineval[1] = 128 ;0 degree
sineval[2] = 137 ;5 degree
sineval[3] = 146
sineval[4] = 154
sineval[5] = 163
sineval[6] = 171
sineval[7] = 179
sineval[8] = 187
sineval[9] = 194
sineval[10] = 200
sineval[11] = 206
sineval[12] = 212
sineval[13] = 216
sineval[14] = 220
sineval[15] = 224
sineval[16] = 227
sineval[17] = 228
sineval[18] = 229
sineval[19] = 230 ;90 degree
sineval[20] = 229
sineval[21] = 228
sineval[22] = 227
sineval[23] = 224
sineval[24] = 220
sineval[25] = 216
sineval[26] = 212
sineval[27] = 206
sineval[28] = 200
sineval[29] = 194
sineval[30] = 187
sineval[31] = 179
sineval[32] = 171
sineval[33] = 163
sineval[34] = 154
sineval[35] = 146
sineval[36] = 137
sineval[37] = 128 ;180 degree
sineval[38] = 119
sineval[39] = 110
sineval[40] = 102
sineval[41] = 93
sineval[42] = 85
sineval[43] = 77
sineval[44] = 69
sineval[45] = 62
sineval[46] = 56
sineval[47] = 50
sineval[48] = 44
sineval[49] = 40
sineval[50] = 36
sineval[51] = 32
sineval[52] = 29
sineval[53] = 28
sineval[54] = 26
sineval[55] = 26
sineval[56] = 26
sineval[57] = 28
sineval[58] = 29
sineval[59] = 32
sineval[60] = 36
sineval[61] = 40
sineval[62] = 44
sineval[63] = 50
sineval[64] = 56
sineval[65] = 62
sineval[66] = 69
sineval[67] = 77
sineval[68] = 85
sineval[69] = 93
sineval[70] = 102
sineval[71] = 110
sineval[72] =119

timerone var word

INCLUDE "DT_INTS-14.bas" ; Base Interrupt System

;********Define INT_Handler as ISR**********************************************
ASM

INT_LIST macro ; IntSource, Label, Type, ResetFlag?
INT_Handler TMR1_INT, _sine, ASM, yes
endm
INT_CREATE ; Creates the interrupt processor
ENDASM

T1CON = $31 ; Prescaler = 8, TMR1ON
TMR1L = 255
TMR1H = 254
@ INT_ENABLE TMR1_INT ; Enable Timer 1 Interrupts
timerone = $FA93 ;gives about 50 hz sine
Main:
pause 5
'if timerone = $F9FF then timerone = $FF00

GOTO Main

'---[TMR1_INT - interrupt handler]------------------------------------------

sine:
TMR1L = timerone.byte0
TMR1H = timerone.byte1
CCPR1L = sineval[STEPCOUNT]>>1
stepcount = stepcount -1
if stepcount = 0 then stepcount = 72
@ INT_RETURN
attached is the circuit and the simulation result done on proteus isis

[bwaxing]

hellow,
i'm trying to simulate this code on proteus isis but m getting nothing meaningful.My code compile succesfully...i need help..please

define OSC 20

;*****************VARIABLE DECLARATION*************************************** ***
wsave VAR BYTE $70 SYSTEM ' alternate save location for W
wsave1 VAR BYTE $A0 SYSTEM ' location for W if in bank1
wsave2 VAR BYTE $120 SYSTEM ' location for W if in bank2
wsave3 VAR BYTE $1A0 SYSTEM ' location for W if in bank3
STEPCOUNT var byte 'Define stepcount as byte type variable
stepcount = 256

;**************SETTING THE REGISTERS WITH APPROPIATE BIT DEFINITION*************
ADCON0 = %00000000
ADCON1 = %00000000 ;all anolog output
trisb = %11111111 ;define porta as input
trisc = %11111011 ;make ccp1/portc.2 an output pin
trisa = %11111111 ;define porta as input
TMR2 = 16
PR2 = 34 ;set for 36Khz HPWM(=72 steps*10 times*50hz)
CCP1CON = %000001100 ;set to pwm mode
T2CON=%00000110 ;enable timer2 and set timer2 prescaler value of 1:4

;****************A sine lookup table in an array********************************
sineval var byte[72]
sineval[1] = 128 ;0 degree
sineval[2] = 137 ;5 degree
sineval[3] = 146
sineval[4] = 154
sineval[5] = 163
sineval[6] = 171
sineval[7] = 179
sineval[8] = 187
sineval[9] = 194
sineval[10] = 200
sineval[11] = 206
sineval[12] = 212
sineval[13] = 216
sineval[14] = 220
sineval[15] = 224
sineval[16] = 227
sineval[17] = 228
sineval[18] = 229
sineval[19] = 230 ;90 degree
sineval[20] = 229
sineval[21] = 228
sineval[22] = 227
sineval[23] = 224
sineval[24] = 220
sineval[25] = 216
sineval[26] = 212
sineval[27] = 206
sineval[28] = 200
sineval[29] = 194
sineval[30] = 187
sineval[31] = 179
sineval[32] = 171
sineval[33] = 163
sineval[34] = 154
sineval[35] = 146
sineval[36] = 137
sineval[37] = 128 ;180 degree
sineval[38] = 119
sineval[39] = 110
sineval[40] = 102
sineval[41] = 93
sineval[42] = 85
sineval[43] = 77
sineval[44] = 69
sineval[45] = 62
sineval[46] = 56
sineval[47] = 50
sineval[48] = 44
sineval[49] = 40
sineval[50] = 36
sineval[51] = 32
sineval[52] = 29
sineval[53] = 28
sineval[54] = 26
sineval[55] = 26
sineval[56] = 26
sineval[57] = 28
sineval[58] = 29
sineval[59] = 32
sineval[60] = 36
sineval[61] = 40
sineval[62] = 44
sineval[63] = 50
sineval[64] = 56
sineval[65] = 62
sineval[66] = 69
sineval[67] = 77
sineval[68] = 85
sineval[69] = 93
sineval[70] = 102
sineval[71] = 110
sineval[72] =119

timerone var word

INCLUDE "DT_INTS-14.bas" ; Base Interrupt System

;********Define INT_Handler as ISR**********************************************
ASM

INT_LIST macro ; IntSource, Label, Type, ResetFlag?
INT_Handler TMR1_INT, _sine, ASM, yes
endm
INT_CREATE ; Creates the interrupt processor
ENDASM

T1CON = $31 ; Prescaler = 8, TMR1ON
TMR1L = 255
TMR1H = 254
@ INT_ENABLE TMR1_INT ; Enable Timer 1 Interrupts
timerone = $FA93 ;gives about 50 hz sine
Main:
pause 5
'if timerone = $F9FF then timerone = $FF00

GOTO Main

'---[TMR1_INT - interrupt handler]------------------------------------------

sine:
TMR1L = timerone.byte0
TMR1H = timerone.byte1
CCPR1L = sineval[STEPCOUNT]>>1
stepcount = stepcount -1
if stepcount = 0 then stepcount = 72
@ INT_RETURN


attached is the circuit and the simulation result done on proteus isis

sorry,i've attached the wrong attachment...here is the circuit and simulation result