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095 | ;********************* Split-out **********************
cblock h'40'
spout_lp
spout_adrl
spout_adrr
spout_adrwl
spout_adrwr
spout_data
spout_sft
spout_sftw
spout_tol
spout_fml
spout_tor
spout_fmr
endc
split_out
movlw d'8' ;Set loop count
movwf spout_lp ;Save loop count
movwf spout_sft ;Save shift loop count
movlw scrnhd ;Set screen head adr
addlw d'7' ;Set screen adr(Left)
movwf spout_adrl ;Save screen adr(Left)
addlw d'1' ;Set work adr(Right)
movwf spout_adrr ;Save work adr(Right)
movlw scrnwhd ;Set work head adr
addlw d'7' ;Set work adr(Left)
movwf spout_adrwl ;Save work adr(Left)
addlw d'1' ;Set work adr(Right)
movwf spout_adrwr ;Save work adr(Right)
split_out_lp
decfsz spout_sft,f ;Need shift ?
goto split_out_shift ;Yes. jump to shift proc
split_out1
movf spout_adrwl,w ;Read work adr(Left)
movwf fsr ;Set work adr
movf indf,w ;Read work data
movwf spout_data ;Save data
movf spout_adrl,w ;Read screen adr
movwf fsr ;Set screen adr
movf spout_data,w ;Read data
movwf indf ;Write data(Left)
movf spout_adrwr,w ;Read work adr(Right)
movwf fsr ;Set work adr
movf indf,w ;Read work data
movwf spout_data ;Save data
movf spout_adrr,w ;Read screen adr
movwf fsr ;Set screen adr
movf spout_data,w ;Read data
movwf indf ;Write data(Right)
call led_cnt ;LED control
call t100m ;Wait 100 msec
decf spout_adrl,f ;Screen adr - 1
decf spout_adrwl,f ;Work adr - 1
incf spout_adrr,f ;Work left adr + 1
incf spout_adrwr,f ;Work right adr + 1
decfsz spout_lp,f ;Split end ?
goto split_out_lp ;No. Next
return
split_out_shift
movf spout_sft,w ;Shift loop count
movwf spout_sftw ;Save shift loop count
movlw scrnhd ;Set screen head address
movwf spout_tol ;Save TO adr(Left)
incf spout_tol,w ;TO adr + 1
movwf spout_fml ;Save FROM adr(Left)
addlw d'13' ;Set screen right index
movwf spout_fmr ;Save FROM adr(Right)
incf spout_fmr,w ;FROM adr + 1
movwf spout_tor ;Set TO adr(Right)
splito_shift_lp
movf spout_fml,w ;Read FROM adr(Left)
movwf fsr ;Set FROM adr
movf indf,w ;Read FROM data
movwf spout_data ;Save data
movf spout_tol,w ;Read TO adr
movwf fsr ;Set TO adr
movf spout_data,w ;Read data
movwf indf ;Write data(Left)
movf spout_fmr,w ;Read FROM adr(Right)
movwf fsr ;Set FROM adr
movf indf,w ;Read FROM data
movwf spout_data ;Save data
movf spout_tor,w ;Read TO adr
movwf fsr ;Set TO adr
movf spout_data,w ;Read data
movwf indf ;Write data(Right)
incf spout_tol,f ;TO adr(Left) + 1
incf spout_fml,f ;FROM adr(Left) + 1
decf spout_tor,f ;TO adr(Right) - 1
decf spout_fmr,f ;FROM adr(Right) - 1
decfsz spout_sftw,f ;Shift end ?
goto splito_shift_lp ;No. Next
goto split_out1 ;Yes. Shift end |
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