COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;**************************************************************************************
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;LCD text messages
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;**************************************************************************************
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Display 'Frequency' on LCD at current cursor position
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-disp_Frequency
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_F
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_r
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_e
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_q
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_u
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_e
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_n
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_c
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_y
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-RETURN
   OPERAND1-
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Display 'Generator' on LCD at current cursor position
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-disp_Generator
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_G
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_e
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_n
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_e
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_r
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_a
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_t
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_o
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_r
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-display_space
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_v
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_1
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_stop
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-LOAD
   OPERAND1-s5
   OPERAND2-character_2
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-LCD_write_data
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-RETURN
   OPERAND1-
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;**************************************************************************************
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Software delay routines
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;**************************************************************************************
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Delay of 1us.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Constant value defines reflects the clock applied to KCPSM3. Every instruction
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;executes in 2 clock cycles making the calculation highly predictable. The '6' in
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;the following equation even allows for 'CALL delay_1us' instruction in the initiating code.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-; delay_1us_constant =  (clock_rate - 6)/4       Where 'clock_rate' is in MHz
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Registers used s0
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-delay_1us
INSTRUCTION-LOAD
   OPERAND1-s0
   OPERAND2-delay_1us_constant
    COMMENT-
      LABEL-wait_1us
INSTRUCTION-SUB
   OPERAND1-s0
   OPERAND2-01
    COMMENT-
      LABEL-
INSTRUCTION-JUMP
   OPERAND1-NZ
   OPERAND2-wait_1us
    COMMENT-
      LABEL-
INSTRUCTION-RETURN
   OPERAND1-
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Delay of 40us.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Registers used s0, s1
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-delay_40us
INSTRUCTION-LOAD
   OPERAND1-s1
   OPERAND2-28
    COMMENT-;40 x 1us = 40us
      LABEL-wait_40us
INSTRUCTION-CALL
   OPERAND1-delay_1us
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-SUB
   OPERAND1-s1
   OPERAND2-01
    COMMENT-
      LABEL-
INSTRUCTION-JUMP
   OPERAND1-NZ
   OPERAND2-wait_40us
    COMMENT-
      LABEL-
INSTRUCTION-RETURN
   OPERAND1-
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Delay of 1ms.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Registers used s0, s1, s2
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-delay_1ms
INSTRUCTION-LOAD
   OPERAND1-s2
   OPERAND2-19
    COMMENT-;25 x 40us = 1ms
      LABEL-wait_1ms
INSTRUCTION-CALL
   OPERAND1-delay_40us
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-SUB
   OPERAND1-s2
   OPERAND2-01
    COMMENT-
      LABEL-
INSTRUCTION-JUMP
   OPERAND1-NZ
   OPERAND2-wait_1ms
    COMMENT-
      LABEL-
INSTRUCTION-RETURN
   OPERAND1-
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Delay of 20ms.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Delay of 20ms used during initialisation.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Registers used s0, s1, s2, s3
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-delay_20ms
INSTRUCTION-LOAD
   OPERAND1-s3
   OPERAND2-14
    COMMENT-;20 x 1ms = 20ms
      LABEL-wait_20ms
INSTRUCTION-CALL
   OPERAND1-delay_1ms
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-SUB
   OPERAND1-s3
   OPERAND2-01
    COMMENT-
      LABEL-
INSTRUCTION-JUMP
   OPERAND1-NZ
   OPERAND2-wait_20ms
    COMMENT-
      LABEL-
INSTRUCTION-RETURN
   OPERAND1-
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Delay of approximately 1 second.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Registers used s0, s1, s2, s3, s4
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-delay_1s
INSTRUCTION-LOAD
   OPERAND1-s4
   OPERAND2-32
    COMMENT-;50 x 20ms = 1000ms
      LABEL-wait_1s
INSTRUCTION-CALL
   OPERAND1-delay_20ms
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-SUB
   OPERAND1-s4
   OPERAND2-01
    COMMENT-
      LABEL-
INSTRUCTION-JUMP
   OPERAND1-NZ
   OPERAND2-wait_1s
    COMMENT-
      LABEL-
INSTRUCTION-RETURN
   OPERAND1-
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;**************************************************************************************
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;LCD Character Module Routines
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;**************************************************************************************
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;LCD module is a 16 character by 2 line display but all displays are very similar
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;The 4-wire data interface will be used (DB4 to DB7).
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;The LCD modules are relatively slow and software delay loops are used to slow down
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;KCPSM3 adequately for the LCD to communicate. The delay routines are provided in
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;a different section (see above in this case).
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Pulse LCD enable signal 'E' high for greater than 230ns (1us is used).
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Register s4 should define the current state of the LCD output port.
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;Registers used s0, s4
      LABEL-
INSTRUCTION-
   OPERAND1-
   OPERAND2-
    COMMENT-;
      LABEL-LCD_pulse_E
INSTRUCTION-XOR
   OPERAND1-s4
   OPERAND2-LCD_E
    COMMENT-;E=1
      LABEL-
INSTRUCTION-OUTPUT
   OPERAND1-s4
   OPERAND2-LCD_output_port
    COMMENT-
      LABEL-
INSTRUCTION-CALL
   OPERAND1-delay_1us
   OPERAND2-
    COMMENT-
      LABEL-
INSTRUCTION-XOR
   OPERAND1-s4
   OPERAND2-LCD_E
    COMMENT-;E=0
      LABEL-
INSTRUCTION-OUTPUT
   OPERAND1-s4
   OPERAND2-LCD_output_port
    COMMENT-
      LABEL-