Jal

1
Jal

• Advantages
• Free!
• Open Source
• Easy to read
• Quick to learn
• Compatible w/ many bootloaders

• Disadvantage
• No 18F support
• Slower dev. cycle
• Support through yahoo group
• No MPLAB support

2
Commparison to AsssemblyAssembly Jal

• list p16F84
• radix hex
• myPortB equ 0x06
• org 0x000
• start movlw 0x00
• tris myPortB
• movlw b'10101010'
• movwf myPortB
• circle goto circle
• end

• include 16f88.jal
• pin_b1_direction output
• forever loop
• pinb1 on
• delay10ms(5)
• pinb1 off
• delay10ms(5)
• end loop

3
Comparison to BasicBasic Jal

• main
• TRISB 0 '
• eloop
• PORTB FF
• Delay_ms(1000)
• PORTB 0
• Delay_ms(1000)
• goto eloop '
• end

• pin_b1_direction output
• Forever loop
• pinb1 on
• delay10ms(5)
• pinb1 off
• delay10ms(5)
• End loop

4
Comparison to CC Jal

• define b1 0x02
• define B_OUTPUTS 0xFD
• void main(void)
• TRISB B_OUTPUTS
• while(1)
• PORTB (PORTBb1)

• pin_b1_direction output
• Forever loop
• pinb1 on
• delay10ms(5)
• pinb1 off
• delay10ms(5)
• End loop

5
Bootloader

• Advantages
• Quick program cycle
• No bent/broken pins
• Cheap hardware lt5

• Disadvantages
• can't program fuses
• must use a self programing chip
• 16f88, 16f877, 18f
• Cant use mclr as an input

6
Installing

• Copy Jal folder to the C drive
• Don't put it in Program Files or use spaces in
  the folder names
• make shortcuts to Jaledit and tinybld executables
  on your desktop
• Point jaledit to the jal.exe and jal libraries
  folder(already done if you copy directly to c )
• Voila! (P.S. I slaved away for months to make it
  this easy)

7
Where I got the equipment

• Tanks from hobbytron.com 7.50eac by the case
• Solderless circuit boards 2.75 each in 50
  quantities from www.circuitspecialists.com
• My email bryan.jackson_at_nebo.edu
• Web page www.highschoolrobots.com