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| title "PIC16F876 LED cube"
list p=16f876
#include <p16f876.inc>
ROW1_BIT1 equ 0x20 ;alle 1ste LED's van alle lagen van de eerste rij
ROW1_BIT2 equ 0x21 ;alle 2de LED's van alle lagen van de eerste rij
ROW1_BIT3 equ 0x22 ;alle 3de LED's van alle lagen van de eerste rij
ROW1_BIT4 equ 0x23 ;enz...
ROW1_BIT5 equ 0x24 ;enz...
ROW1_BIT6 equ 0x25
ROW1_BIT7 equ 0x26
ROW1_BIT8 equ 0x27
ROW2_BIT1 equ 0x28
ROW2_BIT2 equ 0x29
ROW2_BIT3 equ 0x2A
ROW2_BIT4 equ 0x2B
ROW2_BIT5 equ 0x2C
ROW2_BIT6 equ 0x2D
ROW2_BIT7 equ 0x2E
ROW2_BIT8 equ 0x2F
ROW3_BIT1 equ 0x30
ROW3_BIT2 equ 0x31
ROW3_BIT3 equ 0x32
ROW3_BIT4 equ 0x33
ROW3_BIT5 equ 0x34
ROW3_BIT6 equ 0x35
ROW3_BIT7 equ 0x36
ROW3_BIT8 equ 0x37
ROW4_BIT1 equ 0x38
ROW4_BIT2 equ 0x39
ROW4_BIT3 equ 0x3A
ROW4_BIT4 equ 0x3B
ROW4_BIT5 equ 0x3C
ROW4_BIT6 equ 0x3D
ROW4_BIT7 equ 0x3E
ROW4_BIT8 equ 0x3F
ROW5_BIT1 equ 0x40
ROW5_BIT2 equ 0x41
ROW5_BIT3 equ 0x42
ROW5_BIT4 equ 0x43
ROW5_BIT5 equ 0x44
ROW5_BIT6 equ 0x45
ROW5_BIT7 equ 0x46
ROW5_BIT8 equ 0x47
ROW6_BIT1 equ 0x48
ROW6_BIT2 equ 0x49
ROW6_BIT3 equ 0x4A
ROW6_BIT4 equ 0x4B
ROW6_BIT5 equ 0x4C
ROW6_BIT6 equ 0x4D
ROW6_BIT7 equ 0x4E
ROW6_BIT8 equ 0x4F
ROW7_BIT1 equ 0x50
ROW7_BIT2 equ 0x51
ROW7_BIT3 equ 0x52
ROW7_BIT4 equ 0x53
ROW7_BIT5 equ 0x54
ROW7_BIT6 equ 0x55
ROW7_BIT7 equ 0x56
ROW7_BIT8 equ 0x57
ROW8_BIT1 equ 0x58
ROW8_BIT2 equ 0x59
ROW8_BIT3 equ 0x5A
ROW8_BIT4 equ 0x5B
ROW8_BIT5 equ 0x5C
ROW8_BIT6 equ 0x5D
ROW8_BIT7 equ 0x5E
ROW8_BIT8 equ 0x5F
delay equ 0x60
org 0x00
goto INIT
INIT
bcf STATUS,RP1
bsf STATUS,RP0 ;select bank 1
movlw 0x00
movwf TRISB
movwf TRISA ;set PORTB and PORTA as output
movlw 0x07
movwf ADCON1 ;set PORTA as digital IO
bcf STATUS,RP0 ;select bank 0
clrw
movwf PORTA ;set al outputs to 0
goto Main
Main
call GET_PATTERN ;get the next pattern from the memory
call SET_SHIFTREG1 ;show row 1
call Delay_routine
call SET_SHIFTREG2 ;show row 2
call Delay_routine
call SET_SHIFTREG3 ;show row 3
call Delay_routine
call SET_SHIFTREG4 ;show row 4
call Delay_routine
call SET_SHIFTREG5 ;show row 5
call Delay_routine
call SET_SHIFTREG6 ;show row 6
call Delay_routine
call SET_SHIFTREG7 ;show row 7
call Delay_routine
call SET_SHIFTREG8 ;show row 8
goto Main
SET_SHIFTREG1
movf ROW1_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW1_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW1_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW1_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW1_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW1_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW1_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW1_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bcf PORTA,3 ;set row selector (000)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
SET_SHIFTREG2
movf ROW2_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW2_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW2_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW2_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW2_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW2_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW2_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW2_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bsf PORTA,5 ;set row selector (001)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
SET_SHIFTREG3
movf ROW3_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW3_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW3_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW3_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW3_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW3_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW3_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW3_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bsf PORTA,0 ;set row selector (011)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
SET_SHIFTREG4
movf ROW4_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW4_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW4_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW4_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW4_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW4_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW4_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW4_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bcf PORTA,5 ;set row selector (010)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
SET_SHIFTREG5
movf ROW5_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW5_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW5_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW5_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW5_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW5_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW5_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW5_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bsf PORTA,3 ;set row selector (110)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
SET_SHIFTREG6
movf ROW6_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW6_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW6_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW6_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW6_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW6_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW6_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW6_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bsf PORTA,5 ;set row selector (111)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
SET_SHIFTREG7
movf ROW7_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW7_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW7_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW7_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW7_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW7_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW7_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW7_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bcf PORTA,0 ;set row selector (101)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
SET_SHIFTREG8
movf ROW8_BIT1,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data1 to shiftregister
movf ROW8_BIT2,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data2 to shiftregister
movf ROW8_BIT3,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data3 to shiftregister
movf ROW8_BIT4,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data4 to shiftregister
movf ROW8_BIT5,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data5 to shiftregister
movf ROW8_BIT6,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data6 to shiftregister
movf ROW8_BIT7,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data7 to shiftregister
movf ROW8_BIT8,0
movwf PORTB
bsf PORTA,2
nop
bcf PORTA,2 ;set data8 to shiftregister
bcf PORTA,5 ;set row selector (100)
bsf PORTA,1
nop
bcf PORTA,1 ;set data on storage register (LED's ON)
return
GET_PATTERN
movlw 0xFF ;in this routine the pattern will be
movwf ROW1_BIT1 ;downloaded from either the PC (rs232) or from EEPROM
movwf ROW1_BIT2 ;for testing purposes a simple pattern has been programmed
movwf ROW1_BIT3
movwf ROW1_BIT4
movwf ROW1_BIT5
movwf ROW1_BIT6
movwf ROW1_BIT7
movwf ROW1_BIT8
movlw 0x00
movwf ROW2_BIT1
movwf ROW2_BIT2
movwf ROW2_BIT3
movwf ROW2_BIT4
movwf ROW2_BIT5
movwf ROW2_BIT6
movwf ROW2_BIT7
movwf ROW2_BIT8
movlw 0xFF
movwf ROW3_BIT1
movwf ROW3_BIT2
movwf ROW3_BIT3
movwf ROW3_BIT4
movwf ROW3_BIT5
movwf ROW3_BIT6
movwf ROW3_BIT7
movwf ROW3_BIT8
movlw 0x00
movwf ROW4_BIT1
movwf ROW4_BIT2
movwf ROW4_BIT3
movwf ROW4_BIT4
movwf ROW4_BIT5
movwf ROW4_BIT6
movwf ROW4_BIT7
movwf ROW4_BIT8
movlw 0xFF
movwf ROW5_BIT1
movwf ROW5_BIT2
movwf ROW5_BIT3
movwf ROW5_BIT4
movwf ROW5_BIT5
movwf ROW5_BIT6
movwf ROW5_BIT7
movwf ROW5_BIT8
movlw 0x00
movwf ROW6_BIT1
movwf ROW6_BIT2
movwf ROW6_BIT3
movwf ROW6_BIT4
movwf ROW6_BIT5
movwf ROW6_BIT6
movwf ROW6_BIT7
movwf ROW6_BIT8
movlw 0xFF
movwf ROW7_BIT1
movwf ROW7_BIT2
movwf ROW7_BIT3
movwf ROW7_BIT4
movwf ROW7_BIT5
movwf ROW7_BIT6
movwf ROW7_BIT7
movwf ROW7_BIT8
movlw 0x00
movwf ROW8_BIT1
movwf ROW8_BIT2
movwf ROW8_BIT3
movwf ROW8_BIT4
movwf ROW8_BIT5
movwf ROW8_BIT6
movwf ROW8_BIT7
movwf ROW8_BIT8
return
Delay_routine
movlw 0x15 ;65 instructies vertragen
movwf delay
again
decfsz delay,1
goto again
return
end |