Mercurial > public > hwos_code
view src/logbook.asm @ 653:8bcd138ab744
add tools/o3pack.bat and the required tools/libs
| author | heinrichsweikamp |
|---|---|
| date | Fri, 11 Aug 2023 15:53:49 +0200 |
| parents | 070528a88715 |
| children | 75e90cd0c2c3 |
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;============================================================================= ; ; File logbook.asm * combined next generation V3.12.2 ; ; Logbook ; ; Copyright (c) 2011, JD Gascuel, HeinrichsWeikamp, all right reserved. ;============================================================================= ; HISTORY ; 2011-11-12 : [mH] moving from OSTC code ; ;============================================================================= #include "hwos.inc" ; mandatory header #include "tft.inc" #include "external_flash.inc" #include "math.inc" #include "strings.inc" #include "convert.inc" #include "tft_outputs.inc" #include "eeprom_rs232.inc" #include "menu_processor.inc" #include "start.inc" #include "surfmode.inc" #include "divemode.inc" #include "ghostwriter.inc" #include "rtc.inc" #include "gaslist.inc" #include "colorschemes.inc" #DEFINE inside_loogbook #include "logbook.inc" extern main_menu ;---- Private local Variables ------------------------------------------------ CBLOCK local1 ; max size is 16 byte !!! count_temperature ; current sample count for temperature divisor count_deco ; current sample count for deco (ceiling) divisor logbook_cur_depth:2 ; current depth, for drawing profile logbook_cur_tp:2 ; current temperature, for drawing profile logbook_last_tp ; Y of the last item in Tp° curve logbook_min_tp:2 ; min temperature, for drawing profile logbook_max_tp:2 ; maximum temperature, for drawing profile logbook_ceiling ; current ceiling, for drawing profile logbook_flags ; flags only used in logbook.asm logbook_page_number ; page# in logbook logbook_divenumber ; # of dive in list during search logbook_max_dive_counter ; counts dive# to zero ENDC ; used: 16 byte, remaining: 0 byte => FULL CBLOCK local2 ; max size is 16 byte !!! profile_temp1:2 ; temp for profile display profile_temp2:2 ; temp for profile display logbook_sample_counter:2 ; amount of read samples y_scale:2 ; y-scale (the horizontal lines) x_scale:2 ; x-scale (the vertical lines) logbook_pixel_x_pos ; x2 position of current pixel in X-direction logbook_min_temp_pos ; lowest row in the temp graph logbook_max_temp_pos ; lowest row in the temp graph logbook_menupos_temp ; last position of cursor logbook_divenumber_temp ; used to back-up dive number logbook_max_dive_counter_temp ; used to back-up max_dive_counter ENDC ; used: 16 byte, remaining: 0 byte => FULL CBLOCK local3 ; max size is 16 byte !!! divenumber ; used for accessing dives vertical_interval:2 ; holds interval of samples for vertical 10min line backup_color1 ; used for restoring drawing color backup_color2 ; used for restoring drawing color fill_between_rows ; used for fill between rows logbook_temp ; used as temp logbook_temp_backup ; used as backup for temp divisor_temperature ; divisor used while sampling of the dive data divisor_deco ; divisor used while sampling of the dive data divisor_gf ; divisor used while sampling of the dive data divisor_ppo2_sensors ; divisor used while sampling of the dive data divisor_decoplan ; divisor used while sampling of the dive data divisor_cns ; divisor used while sampling of the dive data divisor_tank ; divisor used while sampling of the dive data total_num_dives ; total number of dives (low byte on) ENDC ; used: 16 byte, remaining: 0 byte => full ; Remark: This code includes decoding and displaying of log data for Trimix ; and CCR/pSCR dives to make sure that if such dives are in the ; logbook they will be displayed correctly. ;---- Defines ---------------------------------------------------------------- ; Flags #DEFINE return_from_profileview logbook_flags,0 #DEFINE all_dives_shown logbook_flags,1 #DEFINE logbook_page_not_empty logbook_flags,2 #DEFINE end_of_profile logbook_flags,3 #DEFINE keep_cursor_new_page logbook_flags,4 #DEFINE log_marker_found logbook_flags,5 #DEFINE log_show_gas_short logbook_flags,6 ; logbook_flags,7 ; unused ; Logbook Coordinates #DEFINE logbook_list_left .10 ; column of dive# in list #DEFINE logbook_row_offset .27 ; distance between rows of list #DEFINE logbook_row_number .7 ; number of dive entry rows per list ; Profile display #DEFINE profile_height_pixels .157 ; amount of pixels height for profile display #DEFINE profile_width_pixels .156 ; amount of pixels width for profile display #DEFINE profile_left .1 ; left border #DEFINE profile_top .65 ; top border ; "Bailout" #DEFINE logbook_bailout_column .124 #DEFINE logbook_bailout_row .207 ; Dive number #DEFINE logbook_divenumer_column .1 #DEFINE logbook_divenumer_row .1 ; Date and Time #DEFINE logbook_date_column .100 #DEFINE logbook_date_row .7 #DEFINE logbook_time_column .120 #DEFINE logbook_time_row .38 ; Max. Depth #DEFINE log_max_value_row .38 #DEFINE log_max_value_column .1 ; Divetime #DEFINE log_divetime_mins_value_row .38 #DEFINE log_divetime_mins_value_column .60 ; Gaslist below profile #DEFINE log_gas_row .225 #DEFINE log_gas_column1 .0 #DEFINE log_gas_column2 log_gas_column1+(.1*.32) #DEFINE log_gas_column3 log_gas_column1+(.2*.32) #DEFINE log_gas_column4 log_gas_column1+(.3*.32) #DEFINE log_gas_column5 log_gas_column1+(.4*.32) ; Logbook Page2 ; Gaslist #DEFINE log2_title_row1 .20 #DEFINE log2_title_column .90 #DEFINE log2_gas_column log2_title_column #DEFINE log2_gas_row1 .36 #DEFINE log2_gas_row2 1*.16+log2_gas_row1 #DEFINE log2_gas_row3 2*.16+log2_gas_row1 #DEFINE log2_gas_row4 3*.16+log2_gas_row1 #DEFINE log2_gas_row5 4*.16+log2_gas_row1 ; Setpoint List #DEFINE log2_title_sp_row .130 #DEFINE log2_sp_row1 .146 #DEFINE log2_sp_row2 1*.16+log2_sp_row1 #DEFINE log2_sp_row3 2*.16+log2_sp_row1 #DEFINE log2_sp_row4 3*.16+log2_sp_row1 #DEFINE log2_sp_row5 4*.16+log2_sp_row1 ; Details list #DEFINE log2_salinity_row .55 #DEFINE log2_salinity_column .2 #DEFINE log2_cns_row .1*.16+log2_salinity_row #DEFINE log2_cns_column log2_salinity_column #DEFINE log2_avr_row .2*.16+log2_salinity_row #DEFINE log2_avr_column log2_salinity_column #DEFINE log2_decomodel2_row .3*.16+log2_salinity_row #DEFINE log2_decomodel2_column log2_salinity_column #DEFINE log2_decomodel3_row .4*.16+log2_salinity_row #DEFINE log2_decomodel3_column log2_salinity_column #DEFINE log2_decomodel_row .5*.16+log2_salinity_row #DEFINE log2_decomodel_column log2_salinity_column #DEFINE log2_firmware_row .6*.16+log2_salinity_row #DEFINE log2_firmware_column log2_salinity_column #DEFINE log2_battery_row .7*.16+log2_salinity_row #DEFINE log2_battery_column log2_salinity_column #DEFINE log2_divemode_row .8*.16+log2_salinity_row #DEFINE log2_divemode_column log2_salinity_column #DEFINE log2_lastdeco_row .9*.16+log2_salinity_row #DEFINE log2_lastdeco_column log2_salinity_column ; Air pressure #DEFINE MBAR_row .10*.16+log2_salinity_row #DEFINE MBAR_column log2_salinity_column ;============================================================================= logbook CODE ;============================================================================= ;----------------------------------------------------------------------------- ; Helper Function - show the Cursor ; TFT_logbook_cursor: WIN_BOX_BLACK .0, .239, logbook_list_left-.8, logbook_list_left-.1 ; top, bottom, left, right WIN_LEFT logbook_list_left-.8 ; set horizontal position FONT_SIZE FT_SMALL ; set font size FONT_COLOR_MEMO ; set font color decf menu_pos_cur,W ; get row number -1 into WREG mullw logbook_row_offset ; multiply with vertical offset between rows movff PRODL,win_top ; set vertical position STRCPY_PRINT "\xB7" ; print cursor return ; done ;----------------------------------------------------------------------------- ; Entry Point coming from Surface Menu ; global logbook logbook: call TFT_boot ; initialize display clrf logbook_flags ; clear all flags clrf menu_pos_max ; clear number of used rows on current page clrf logbook_page_number ; clear # of current displayed page clrf logbook_divenumber ; clear # of dive in list during search clrf logbook_temp ; clear temps clrf logbook_temp_backup ; ... movlw logbook_row_number ; get number of dive entry rows per list movwf menu_pos_cur ; initialize cursor position to last entry call eeprom_total_dives_read ; read total number of dives movf mpr+0,W ; extract low byte movwf logbook_max_dive_counter ; copy to logbook_max_dive_counter movwf total_num_dives ; copy to total_num_dives, too logbook2: ; display dive headers backwards from latest dive to first dive, ; stop when - no dive is stored (no valid header found) ; - current dive has no valid header (past last dive, < 256 dives) ; - 255 dives are reached (logbook display limit) incf logbook_temp,F ; increase dive counter incf logbook_temp,W ; = 0x..FF ? bz logbook_reset ; YES - loop ; compute index for dive to show / goto previous dive decf logbook_max_dive_counter,F ; copy the first 22 byte of the header from FLASH to memory movf logbook_max_dive_counter,W ; hand over header index in WREG call log_header_addr_by_index ; compute start address of the header FLASH_RR_READ header_buffer,.22 ; copy first 22 bytes of header from FLASH to memory ; check if there is a header MOVCC header_buffer+index_header_start,WREG ; read first byte of header xorlw 0xFA ; header start code found? bnz logbook3b ; NO - abort incf logbook_divenumber,F ; YES - new header found, increase logbook_divenumber bra logbook4 ; - done with searching, display the header logbook3b: btfss logbook_page_not_empty ; was there at least one dive? bra exit_logbook ; NO - not a single header was found, leave logbook bra logbook_display_loop2 ; YES - can show something logbook_reset: tstfsz logbook_divenumber ; was there at least one dive? bra logbook_reset2 ; YES - proceed bra logbook3b ; NO - nothing to do logbook_reset2: bsf all_dives_shown ; flag all dives are shown bra logbook_display_loop2 ; check number of dives on page and append navigation logbook4: btfsc all_dives_shown ; all dives shown? bra logbook_display_loop2 ; YES - page done call display_listdive ; NO - display dive summery on current list position movlw logbook_row_number ; - load max number of lines cpfseq menu_pos_cur ; - cursor on last line (exit)? bra logbook_display_loop1 ; NO - skip saving of address ; store all registers required to rebuilt the current logbook page after the detail/profile view movff logbook_divenumber,logbook_divenumber_temp ; # of dive in list of the current page movff logbook_max_dive_counter,logbook_max_dive_counter_temp ; backup counter movff logbook_temp,logbook_temp_backup ; amount of dives drawn until now logbook_display_loop1: decfsz menu_pos_cur,F ; all lines used up? bra logbook2 ; NO - loop to show another dive logbook_display_loop2: btfss logbook_page_not_empty ; YES - was there one dive at all? bra logbook ; NO - restart from the first page ;bra logbook_display_loop3 ; YES - complete page and start HMI logbook_display_loop3: ; print navigation lines WIN_LEFT logbook_list_left WIN_TOP logbook_row_offset*(logbook_row_number+.0) STRCPY_TEXT_PRINT tNextLog ; "Next Page" WIN_LEFT logbook_list_left WIN_TOP logbook_row_offset*(logbook_row_number+.1) STRCPY_TEXT_PRINT tExit ; "Exit" movlw d'1' ; default cursor to position 1 btfsc return_from_profileview ; returning from a detail/profile view? movf logbook_menupos_temp,W ; YES - reload last cursor position movwf menu_pos_cur ; set cursor position movlw logbook_row_number+.1 ; get menu line where the next page item is btfsc keep_cursor_new_page ; do we come from the "next page" line? movwf menu_pos_cur ; YES - set cursor to "next line" again bcf return_from_profileview ; clear flag for returning from detail/profile view bcf keep_cursor_new_page ; clear flag for coming from "next page" bcf logbook_page_not_empty ; obviously the current page is NOT empty call TFT_logbook_cursor ; show the cursor logbook_loop_pre: call logbook_preloop_tasks ; clear timeout, some flags and switch on backlight logbook_loop: btfsc switch_left ; left button pressed? goto next_logbook3 ; YES - move cursor btfsc switch_right ; NO - right button pressed? bra display_profile_or_exit ; YES - view details/profile call housekeeping ; NO - handle screen dump request, timeout and entering dive mode bra logbook_loop ; - loop waiting for something to do display_profile_or_exit: movlw logbook_row_number+.2 ; get menu line were the exit item is cpfseq menu_pos_cur ; cursor on exit line? bra display_profile_or_next ; NO - show profile or next page ;bra exit_logbook ; YES - exit logbook exit_logbook: bcf switch_right ; clear pending button events bcf switch_left ; ... goto main_menu ; jump-back to main menu (in menu_tree.asm) display_profile_or_next: movlw logbook_row_number+.1 ; get menu line were the next page item is cpfseq menu_pos_cur ; cursor on next page line? bra display_profile ; NO - show profile of selected dive goto next_logbook2 ; YES - show next page ;----------------------------------------------------------------------------- ; show graphical Dive Profile ; display_profile: bcf bailout_mode ; clear event flag bcf event_gas_change_gas6 ; clear event flag movff menu_pos_cur,logbook_menupos_temp ; store current cursor position bsf return_from_profileview ; tweak search routine to exit after found ; compute the number of the dive to show movf logbook_page_number,W ; get page number of page we are on mullw logbook_row_number ; multiply with number of dives per page movf PRODL,W ; copy low byte to WREG addwf menu_pos_cur,W ; add number of selected dive on current page page movwf divenumber ; result is the number of the dive to show ; copy header from FLASH into memory call log_header_addr_by_divenumber ; compute header start address from the dive number FLASH_RR_READ header_buffer,.256 ; copy complete header from FLASH to memory ; read the sampling rate MOVCC header_buffer+index_samplingrate,sampling_rate ; --- start drawing the dive profile page --- display_profile2: call TFT_boot ; initialize display FONT_COLOR_MEMO ; set font color ; show dive number call logbook_show_divenumber ; show the dive number in medium font ; show date WIN_SMALL logbook_date_column, logbook_date_row MOVTT header_buffer+index_date,mpr ; read date call output_date ; print date PRINT ; dump to screen ; show dive mode WIN_SMALL log_divetime_mins_value_column,logbook_date_row ; align with surrounding data MOVCC header_buffer+index_divemode,lo ; read dive type (0=OC, 1=CC, 2=Gauge, 3=Apnea, 4=pSCR) call TFT_print_decotype ; print deco mode (OC, CC, Gauge, Apnea or pSCR) ; also sets aux_flag in case the dive was done in a deco mode ; show time WIN_SMALL logbook_time_column, logbook_time_row MOVII header_buffer+index_time,mpr ; get time output_99x ; print hour PUTC ':' ; print spacing ":" movff hi,lo ; print minute output_99x ; ... PRINT ; print buffer as 1st row of details to screen ; get log format version MOVCC header_buffer+index_profile_version,lo ; read profile format version movlw b'00111111' ; load mask for external part of the profile version andwf lo,F ; keep only the external part movlw 0x24 ; recorded external version < 0x24 cpfslt lo ; ... ? bra log_skip_extra_icon ; YES - skip end of dive icon ; print end of dive icon WIN_SMALL logbook_time_column-.8, logbook_time_row STRCPY_PRINT 0x94 log_skip_extra_icon: MOVII header_buffer+index_max_depth,mpr ; get max depth in [mbar] ; compute vertical scale (y-axis) MOVII mpr,xA MOVLI profile_height_pixels,xB ; number of pixels available for plot call div16x16 ; xC = xA / xB with xA as remainder MOVII xC,y_scale ; y-scale (mbar/pixel) INCI y_scale ; increase by one to include potential remainder (round up) ; compute number of pixels per each 10 m movlw LOW ((profile_height_pixels+1)*.1000) movwf xC+0 movlw HIGH (((profile_height_pixels+1)*.1000) & h'FFFF') movwf xC+1 movlw UPPER ((profile_height_pixels+1)*.1000) movwf xC+2 clrf xC+3 MOVII mpr,xB ; get max. depth in mbar call div32x16 ; xC:4 = xC:4 / xB:2 with xA as remainder MOVII xC,x_scale ; pixels/10m (for scale, draw any xx rows a scale-line) ; safeguard scale to become zero movf x_scale+0,W ; get low byte iorwf x_scale+1,W ; ior with high byte btfsc STATUS,Z ; x_scale = zero ? incf x_scale+1,F ; YES - set to 256 to make "display_profile2e" working ; calculate vertical interval MOVLI .600,xA ; a vertical line every 600 seconds (10 minutes) movff sampling_rate,xB+0 ; copy sampling rate to xB, low byte clrf xB+1 ; clear xB, high byte call div16x16 ; xC=xA/xB with xA as remainder MOVII xC,vertical_interval ; vertical_interval:2 holds number of samples between each vertical 10 min lines ; get total sample time in seconds MOVII header_buffer+index_total_seconds,xA ; calculate x-scale value MOVLI profile_width_pixels,xB ; horizontal width of plot area in pixels call div16x16 ; xC = xA / xB with xA as remainder: seconds per pixel MOVII xC,xA ; copy seconds/pixel to xA movff sampling_rate,xB+0 ; divide through sampling rate clrf xB+1 ; ... call div16x16 ; xC = xA / xB with xA as remainder: samples per pixel MOVII xC,profile_temp1 ; store samples/pixel INCI profile_temp1 ; increment result by 1 to include potential remainder (round up) WIN_SMALL log_max_value_column,log_max_value_row ; get max depth in [mbar] MOVII header_buffer+index_max_depth,mpr ; print depth TSTOSS opt_units ; 0=Meters, 1=Feets bra display_profile_offset4_metric ; 0 - do metric ;bra display_profile_offset4_imperial ; 1 - do imperial display_profile_offset4_imperial: call convert_cm_to_feet ; convert value in mpr from [cm] to [feet] PUTC ' ' ; append a space output_999 ; print depth (0-999) STRCAT_TEXT_PRINT tFeets ; append unit and dump to screen bra display_profile_offset4_common ; continue display_profile_offset4_metric: bsf omit_digit_1 ; do not print 1st digit (no cm) bsf decimal_digit2 ; place a decimal point in front of digit 2 output_65535 ; print depth (0.0x-655.3x) STRCAT_TEXT_PRINT tMeters ; append unit and dump to screen ;bra display_profile_offset4_common ; continue display_profile_offset4_common: WIN_SMALL log_divetime_mins_value_column,log_divetime_mins_value_row ; show dive time minutes : seconds MOVTT header_buffer+index_divetime,mpr ; get dive time bsf leftbind ; print left-aligned output_9999 ; print dive time minutes (0-9999) PUTC 'm' ; print "m" (minutes) movff up,lo ; print dive time seconds output_99x ; dive time seconds PUTC_PRINT "s" ; append unit (seconds) and dump buffer to screen ; get minimum temperature (for later use) MOVII header_buffer+index_min_temp,logbook_min_tp ; print gases btfss aux_flag ; dive done in a deco mode? bra logbook_set_gas_color ; NO - always use gas 1 color (white) then ; set pointer to gas 1 type MOVCC header_buffer+index_gas1+.3,WREG ; read gas type decfsz WREG,W ; = 1 (= "First") ? bra logbook_find_first_gas2 ; NO logbook_set_gas_color: movlw .1 ; YES - select white color bra logbook_find_first_gas_done logbook_find_first_gas2: ; set pointer to gas 2 type MOVCC header_buffer+index_gas2+.3,WREG ; read gas type decfsz WREG,W ; = 1 (= "First") ? bra logbook_find_first_gas3 ; NO movlw .2 ; YES - select green color bra logbook_find_first_gas_done logbook_find_first_gas3: ; set pointer to gas 3 type MOVCC header_buffer+index_gas3+.3,WREG ; read gas type decfsz WREG,W ; = 1 (= "First") ? bra logbook_find_first_gas4 ; NO movlw .3 ; YES - select red color bra logbook_find_first_gas_done logbook_find_first_gas4: ; set pointer to gas 4 type MOVCC header_buffer+index_gas4+.3,WREG ; read gas type decfsz WREG,W ; = 1 (= "First") ? bra logbook_find_first_gas5 ; NO movlw .4 ; YES - select yellow color bra logbook_find_first_gas_done logbook_find_first_gas5: ; must be gas 5 then movlw .5 ; select cyan color ;bra logbook_find_first_gas_done logbook_find_first_gas_done: movwf backup_color1 ; keep copy of color for later restore call TFT_color_code_gas ; set color ; initialize flag for signaling when last sample set was read bcf end_of_profile ; set ext_flash_address to the begin of the profile data MOVTT header_buffer+index_profile_start_address,ext_flash_address ; header start code sequence present? FLASH_CW_READ_0x20 ; get the 1st byte xorlw 0xFA ; 1st byte = header start byte? bnz display_profile_no_profile_jump ; NO - no profile data available, abort FLASH_CW_READ_0x20 ; get the 2nd byte xorlw 0xFA ; 2nd byte = header start byte? bnz display_profile_no_profile_jump ; NO - no profile data available, abort ; check if the profile actually belongs to this dive (check done with low bytes only) FLASH_CC_READ_0x20 lo ; read dive number in profile incf total_num_dives,W ; WREG = total number of dives + 1 bsf STATUS,C ; set borrow subfwb divenumber,W ; WREG = total number of dives - number of dive to show - 1 cpfseq lo ; number of dive in profile = number of dive to show? display_profile_no_profile_jump: bra display_profile_no_profile ; NO - no profile data for this dive available ;bra display_profile_show_profile ; YES - show profile display_profile_show_profile: ; skip high byte of dive number 1 byte ; skip second part of header start code 2 byte ; skip length of profile data 3 byte ; skip sampling rate in profile data 1 byte ; skip number of divisors 1 byte ; ====== ; total number of bytes to skip = 8 byte EXT_FLASH_INC_ADDRESS_0x20 d'8' ; skip next 8 bytes ; read divisor temp EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip information type and length FLASH_CW_READ_0x20 ; read temperature divisor into WREG movwf divisor_temperature ; store temperature divisor movwf count_temperature ; store to temperature counter, too ; read divisor deco EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip information type and length FLASH_CW_READ_0x20 ; read deco divisor into WREG movwf divisor_deco ; store deco divisor movwf count_deco ; store to deco status counter, too ; read divisor GF EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip information type and length FLASH_CC_READ_0x20 divisor_gf ; store saturation divisor ; read divisor ppO2 sensors EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip information type and length FLASH_CC_READ_0x20 divisor_ppo2_sensors ; store ppO2 divisor ; read divisor deco plan EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip information type and length FLASH_CC_READ_0x20 divisor_decoplan ; store deco plan divisor ; read divisor CNS EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip information type and length FLASH_CC_READ_0x20 divisor_cns ; store CNS divisor ; read divisor tank data EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip information type and length FLASH_CC_READ_0x20 divisor_tank ; store tank pressure divisor ;---- start drawing the profile ---------------- ; draw a frame around profile area movlw color_deepblue ; select color WIN_FRAME_COLOR profile_top-1,profile_top+profile_height_pixels+1,profile_left-1,profile_left+profile_width_pixels+1 ; draw depth grid movlw profile_top ; set top position of plot area movwf win_top ; ... movlw profile_left ; set left position of plot area movwf win_leftx2 ; ... movlw d'1' ; draw lines of 1 pixel width movwf win_height ; ... movlw profile_width_pixels+.1 ; set right position of plot area movwf win_width+0 ; ... clrf win_width+1 ; ... bra display_profile2_loline ; do not draw the 0 m line display_profile2_loop: BOX ; draw the line display_profile2_loline: movf win_top,W ; get last row drawn addwf x_scale+0,W ; add line interval distance, low byte tstfsz x_scale+1 ; interval distance > 255 ? movlw d'255' ; YES - would make win_top > 239 -> prepare abort btfsc STATUS,C ; did the add produce a carry? movlw d'255' ; YES - would make win_top > 239 -> prepare abort movwf win_top ; write position of next line back to win_top movlw profile_top+profile_height_pixels+.1 ; get limit for last line cpfsgt win_top ; line to draw beyond limit? bra display_profile2_loop ; NO - draw the line ; do various initializations for drawing the curves clrf ul ; clear counter for depth readings movlw profile_width_pixels+profile_left-.1 ; load loop counter movwf ex ; ... movlw profile_left+.1 movwf logbook_pixel_x_pos ; here: used as column x2 (start at column 5) movlw profile_top+.1 ; zero-m row movwf fill_between_rows movwf logbook_last_tp ; initialize for temperature curve, too movlw LOW(-.100) ; initialize max temperature to -10.0 °C movwf logbook_max_tp+0 ; ... movlw HIGH 0xFFFF & (-.100) ; ... movwf logbook_max_tp+1 ; ... setf logbook_cur_tp+0 ; initialize temperature to 0xFFFF = 'no data' setf logbook_cur_tp+1 ; ... clrf logbook_last_tp ; also reset previous Y for temperature clrf logbook_ceiling ; ceiling = 0, correct value for no ceiling movlw profile_top+.1 movwf logbook_min_temp_pos ; initialize for displaying the lowest temperature movlw profile_top+profile_height_pixels movwf logbook_max_temp_pos ; initialize for displaying the highest temperature movlw profile_left movwf win_leftx2 movlw profile_top movwf win_top movlw profile_height_pixels movwf win_height movlw LOW (profile_width_pixels*.2) movwf win_width+0 movlw HIGH (profile_width_pixels*.2) movwf win_width+1 call TFT_box_write ; open box for d1 ; INIT_PIXEL_WRITE logbook_pixel_x_pos ; pixel x2 (also sets standard color!) ;---- start profile plotting loop -------------- CLRI logbook_sample_counter ; clear counter for amount of samples read so far profile_display_loop: ; initialize pixel write movf logbook_pixel_x_pos,W mullw 2 call pixel_write_col320 MOVII profile_temp1,profile_temp2 ; 16 bit x-scaler incf profile_temp2+1,F tstfsz profile_temp2+0 ; must not be zero, is zero? bra profile_display_loop2 ; NO - ok incf profile_temp2+0,F ; YES - increase by 1 profile_display_loop2: rcall profile_view_get_depth ; read one set of depth, temp and event data btfsc end_of_profile ; end of profile data reached? bra profile_display_loop_done ; YES - skip all remaining pixels ;---- draw ceiling curve, if any --------------- movf divisor_deco,W ; get divisor, deco data logged? bz profile_display_skip_deco ; NO - skip movf logbook_ceiling,W ; any deco ceiling? bz profile_display_skip_deco ; NO - skip mullw .100 ; YES - convert to mbar MOVII PROD, sub_a ; - ceiling depth MOVII logbook_cur_depth+0,sub_b ; - current depth call cmpU16 ; - compute ceiling - current depth movlw color_dark_green ; - dark green if ok btfss neg_flag ; - current depth > ceiling ? movlw color_dark_red ; NO - dark red because ceiling is violated call TFT_set_color ; - set color MOVII PROD,xA ; - divide pressure in mbar/pixel for row offset MOVII y_scale,xB ; - ... call div16x16 ; - xC = xA / xB with xA as remainder movlw profile_top+.1 ; - start right after the top line movwf win_top ; - ... movff logbook_pixel_x_pos,win_leftx2 ; - set left border (0-159) movff xC+0,win_height ; - set hight call half_vertical_line ; - color the area profile_display_skip_deco: ;---- draw temperature curve, if any ----------- movf divisor_temperature,W ; get divisor, deco data logged? bz profile_display_skip_temp ; NO - skip movf logbook_cur_tp+0,W ; did we had a valid temperature record already (0xFF = 'no data')? andwf logbook_cur_tp+1,W ; ... incf WREG ; ... bz profile_display_skip_temp ; NO - skip drawing ; fixed temperature scale: (-2 .. +35°C * scale256 ) / 153 pixel movlw LOW (((profile_height_pixels-.10)*.256)/.370) movwf xB+0 movlw HIGH (((profile_height_pixels-.10)*.256)/.370) movwf xB+1 movf logbook_cur_tp+0,W ; current temperature - (-2.0°C) == temperature + 20 addlw LOW(.20) ; low byte movwf xA+0 movf logbook_cur_tp+1,W btfsc STATUS,C ; propagate carry, if any incf WREG movwf xA+1 call mult16x16 ; xA*xB=xC ; scale: divide by 256 -> just take the high byte movf xC+1,W sublw profile_top+profile_height_pixels-.10 ; upside-down: Y = .75 + (.153 - result) movwf xC+0 ; check limits movlw profile_top+.1 movwf xC+1 cpfsgt xC+0 movff xC+1,xC+0 movlw color_orange ; select color for temperature curve call TFT_set_color ; set color movf logbook_last_tp,W ; do we have a valid previous value? bz profile_display_temp_1 ; NO - skip the vertical line movwf xC+1 ; YES - set end position call profile_display_fill ; - draw in this column between this row (xC+0) and the last row (xC+1) profile_display_temp_1: movf xC+0,W ; get position cpfsgt logbook_min_temp_pos ; > min limit? movwf logbook_min_temp_pos ; NO - set to lowest position for the temp graph cpfslt logbook_max_temp_pos ; < max limit? movwf logbook_max_temp_pos ; NO - set to highest position for the temp graph movff xC+0,logbook_last_tp ; set col (0..159) x row (0..239) PIXEL_WRITE logbook_pixel_x_pos,xC+0 ; draw a pixel profile_display_skip_temp: ;---- draw depth curve ------------------------- MOVII y_scale, xB ; divide pressure in mbar/pixel for row offset MOVII logbook_cur_depth,xA ; get current depth call div16x16 ; xC = xA / xB with xA as remainder movlw profile_top+.1 ; get offset addwf xC+0,F ; add offset btfsc STATUS,C ; profile error? movff fill_between_rows,xC+0 ; YES - ignore movf backup_color1,W ; copy gas number to WREG for color-coding call TFT_color_code_gas ; get color for gas call TFT_set_color ; set drawing color movff fill_between_rows,xC+1 ; set position call profile_display_fill ; in this column between this row (xC+0) and the last row (xC+1) movff xC+0,fill_between_rows ; store last row for fill routine PIXEL_WRITE logbook_pixel_x_pos,xC+0 ; draw a pixel incf logbook_pixel_x_pos,F ; advance to next column ;---- draw marker square, if any --------------- btfss log_marker_found ; any marker to draw? bra profile_display_skip_marker ; NO - skip bcf log_marker_found ; YES - clear flag ; set position incf fill_between_rows,W ; increase row (Y) movwf win_top ; limit win_top to 220 movlw .220 cpfslt win_top movwf win_top decf logbook_pixel_x_pos,W ; decrease column (X) movwf win_leftx2 ; limit win_leftx2 to 151 movlw .151 cpfslt win_leftx2 movwf win_leftx2 ; print marker FONT_COLOR color_orange ; set font color FONT_SIZE FT_TINY ; set font size INIT_BUFFER ; initialize output buffer STRCPY_PRINT "m" ; print a "m" (marker) movlw profile_left movwf win_leftx2 movlw profile_top movwf win_top movlw profile_height_pixels movwf win_height movlw LOW (profile_width_pixels*.2) movwf win_width+0 movlw HIGH (profile_width_pixels*.2) movwf win_width+1 call TFT_box_write ; re-open box for d1 profile_display_skip_marker: ;---- draw CNS curve, if any ------------------- movf divisor_cns,W ; get divisor, CNS logged? bz profile_display_skip_cns ; NO - skip ; ; add further code here... ; profile_display_skip_cns: ;---- draw saturation curve, if any ------------ movf divisor_gf,W ; get divisor, saturation logged? bz profile_display_skip_gf ; NO - skip ; ; add further code here... ; profile_display_skip_gf: ;---- all curves done -------------------------- profile_display_skip_loop1: dcfsnz profile_temp2+0,F ; decrement low byte of x-scaler, became zero? bra profile_display_loop3 ; YES - decrement high byte rcall profile_view_get_depth ; NO - read next depth, temp and profile data set btfsc end_of_profile ; - end-of profile reached? bra profile_display_loop_done ; YES - skip all remaining pixels bra profile_display_skip_loop1 ; NO - continue profile_display_loop3: decfsz profile_temp2+1,F ; decrement high byte of x-scaler, became zero? bra profile_display_skip_loop1 ; NO - continue decfsz ex,F ; YES - count drown x-pixels to zero, became zero? bra profile_display_loop ; NO - draw next sample bra profile_display_loop_done ; YES - done profile_display_loop_done: btfss bailout_mode ; bailout during the dive? bra profile_display_gas6 ; NO - skip next FONT_COLOR color_pink ; YES - select pink color WIN_TINY logbook_bailout_column,logbook_bailout_row; - select font and position STRCPY_TEXT_PRINT tDiveBailout ; - print "Bailout" and dump to screen profile_display_gas6: btfss event_gas_change_gas6 ; did a change to gas 6 occurred? bra profile_display_temperatures ; NO - skip next FONT_COLOR color_pink ; YES - select color WIN_TINY logbook_bailout_column,logbook_bailout_row-.15 STRCPY_TEXT tGas ; - print "Gas" STRCAT_PRINT " 6!" ; - append " 6!" and dump to screen profile_display_temperatures: movff logbook_min_temp_pos,win_top ; get Y position at lowest temperature movff logbook_pixel_x_pos,win_leftx2 ; get X ... movlw .130 ; left border limit cpfslt win_leftx2 ; too far to the left? movwf win_leftx2 ; YES - set to limit FONT_SIZE FT_TINY ; set font size FONT_COLOR color_yellow ; set font color MOVII logbook_min_tp,mpr ; get min temperature TSTOSS opt_units ; 0=°C, 1=°F bra logbook_show_temp_metric ; 0 - do Celsius ;bra logbook_show_temp_imperial ; 1 - do Fahrenheit logbook_show_temp_imperial: ; min temperature rcall logbook_show_temp_imperial_out ; print temperature ; max temperature movlw .15 ; set position subwf logbook_max_temp_pos,W ; ... movwf win_top ; Y position at max temperature MOVII logbook_max_tp,mpr ; get max temperature rcall logbook_show_temp_imperial_out ; print temperature bra logbook_show_gases ; continue logbook_show_temp_metric: ; min temperature rcall logbook_show_temp_metric_out ; print temperature ; max temperature movlw .15 ; set position subwf logbook_max_temp_pos,W ; ... movwf win_top ; Y position at max temperature MOVII logbook_max_tp,mpr ; get max temperature rcall logbook_show_temp_metric_out ; print temperature bra logbook_show_gases ; continue logbook_show_temp_imperial_out: INIT_BUFFER ; initialize output buffer call convert_celsius_to_fahrenheit ; convert value in lo:hi from Celsius to Fahrenheit bsf leftbind ; print left-aligned bsf omit_digit_1 ; full degrees only output_9999 ; print temperature (0x-999x) STRCAT_TEXT_PRINT tLogTunitF ; add unit and dump to screen return ; done logbook_show_temp_metric_out: INIT_BUFFER ; initialize output buffer call convert_signed_16bit ; convert lo:hi into unsigned-short and add '-' to POSTINC2 if required bsf leftbind ; print left-aligned bsf decimal_digit1 ; place a decimal point in front of the 1st digit output_999 ; print temperature (0.0-99.9) STRCAT_TEXT_PRINT tLogTunitC ; add unit and dump to screen return ; done display_profile_no_profile: ; print "no profile anymore..." message WIN_SMALL .4,.110 ; set text size and position FONT_COLOR_DISABLED ; use the color for disabled things STRCPY_TEXT_PRINT tNoProfileData ; print message logbook_show_gases: FONT_COLOR_MEMO ; back to standard color btfss aux_flag ; dive done in a deco mode? bra logbook_show_gases_done ; NO - don't show gases ; show gases lfsr FSR0,header_buffer+index_gas1 ; load base address of the gases bsf log_show_gas_short ; do the short version of log_show_gas WIN_TINY log_gas_column1, log_gas_row movlw .1 ; color for gas 1 call log_show_gas WIN_TINY log_gas_column2, log_gas_row movlw .2 ; color for gas 2 call log_show_gas WIN_TINY log_gas_column3, log_gas_row movlw .3 ; color for gas 3 call log_show_gas WIN_TINY log_gas_column4, log_gas_row movlw .4 ; color for gas 4 call log_show_gas WIN_TINY log_gas_column5, log_gas_row movlw .5 ; color for gas 5 call log_show_gas logbook_show_gases_done: rcall logbook_preloop_tasks ; clear timeout, some flags and set to Speed_eco display_profile_loop: btfsc switch_right ; right button pressed? bra logbook_page1 ; YES - show more information btfsc switch_left ; NO - left button pressed? bra exit_profileview ; YES - back to list call housekeeping ; NO - handle screen dump request, timeout and entering dive mode bra display_profile_loop ; - loop waiting for something to do ;----------------------------------------------------------------------------- ; Helper Function - draw a vertical line between xC+1 and xC+0 at current X position ; ; Note: should keep xC+0 ; Note: ascending or descending ! ; profile_display_fill: ; First, check if xC+0 > fill_between_rows or xC+0 < aponoe_mins movf xC+0,W cpfseq xC+1 ; xC+0 = apnoe_mins ? bra profile_display_fill2 ; NO return profile_display_fill2: ; Make sure to init X position movf logbook_pixel_x_pos,W mullw 2 decf PRODL,F movlw 0 subwfb PRODH,F call pixel_write_col320 movf xC+0,W cpfsgt xC+1 ; fill_between_rows > xC+0 ? bra profile_display_fill_up ; YES profile_display_fill_down2: ; loop decf xC+1,F HALF_PIXEL_WRITE xC+1 ; updates just row (0..239) movf xC+0,W cpfseq xC+1 ; loop until xC+1 = xC+0 bra profile_display_fill_down2 return ; fill_between_rows and xC+0 are untouched profile_display_fill_up: ; fill upwards from xC+0 to apone_mins! incf xC+1,F HALF_PIXEL_WRITE xC+1 ; updates just row (0..239) movf xC+0,W cpfseq xC+1 ; loop until xC+1 = fill_between_rows bra profile_display_fill_up return ; fill_between_rows and xC+0 are untouched ;----------------------------------------------------------------------------- ; read next Profile Data Set and plot Depth and Temperature ; profile_view_get_depth: INCI logbook_sample_counter ; count read pixels movf logbook_sample_counter+0,W cpfseq vertical_interval+0 bra profile_view_get_depth_no_line ; no need to draw a 10min line, continue movf logbook_sample_counter+1,W cpfseq vertical_interval+1 bra profile_view_get_depth_no_line ; no need to draw a 10min line, continue ;---- 10 min vertical line --------------------- CLRI logbook_sample_counter ; clear counting registers for next line movlw color_deepblue ; select color call TFT_set_color ; set color movlw profile_top+.1 ; set top position movwf win_top ; ... incf logbook_pixel_x_pos,W ; draw one line to right to make sure it's the background of the profile movwf win_leftx2 ; left border (0-159) movlw profile_height_pixels movwf win_height movlw profile_height_pixels movwf win_width ; "window" height call half_horizontal_line ; inputs: win_top, win_leftx2, win_width, win_color1, win_color2 profile_view_get_depth_no_line: FLASH_II_READ_0x20 logbook_cur_depth ; read depth (2 bytes) FLASH_CC_READ_0x20 ul ; read Profile Flag Byte bcf event_occured ; clear flag by default btfsc ul,7 ; event recorded? bsf event_occured ; YES - we also have an event byte bcf ul,7 ; clear event byte flag (if any) ; ul now holds the number of additional bytes to ignore (0-127) ;---- check for end of profile ----------------- movlw 0xFD ; load token for end of profile data cpfseq logbook_cur_depth+0 ; end of profile token in 1st depth byte? bra profile_view_get_depth_new1 ; NO - profile continues cpfseq logbook_cur_depth+1 ; YES - end of profile token in 2nd depth byte? bra profile_view_get_depth_new1 ; NO - profile continues bsf end_of_profile ; YES - end of profile, set flag to skip remaining pixels return ; - done profile_view_get_depth_new1: btfsc event_occured ; was there an event attached to this sample? rcall profile_view_get_depth_events ; YES - get information about this event(s) ;---- temperature ------------------------------ movf divisor_temperature,W ; is temperature divisor null ? bz profile_view_get_depth_no_tp ; YES - no temperature curve decf count_temperature,F ; NO - decrement temperature counter, counter zero now? bnz profile_view_get_depth_no_tp ; NO - no temperature this time FLASH_II_READ_0x20 logbook_cur_tp ; YES - read temperature (2 bytes) decf ul,F ; - reduce counter twice decf ul,F ; - ... movff divisor_temperature,count_temperature ; - restart counter ; compute max temperature on the fly... MOVII logbook_cur_tp,sub_a ; copy current temperature to sub_a MOVII logbook_max_tp,sub_b ; copy maximum temperature to sub_b call sub16 ; SIGNED sub_a - sub_b btfsc neg_flag ; current temperature > maximum temperature ? bra profile_view_get_depth_no_tp ; NO - no new max temperature ; store new max. temperature, but only if below dive_threshold_norm_alt_start tstfsz logbook_cur_depth+1 ; deeper than 2.55 m ? bra profile_view_compute_max_temp ; YES - include in max. temp measurement movlw dive_threshold_norm_alt_start+0 ; get start-of-dive depth in mbar / cm, low byte cpfsgt logbook_cur_depth+0 ; deeper that start-of-dive threshold? bra profile_view_get_depth_no_tp ; NO - ignore current temperature profile_view_compute_max_temp: MOVII logbook_cur_tp,logbook_max_tp ; store new max temperature profile_view_get_depth_no_tp: ;---- deco ceiling ----------------------------- movf divisor_deco,W bz profile_view_get_depth_no_deco decf count_deco,F bnz profile_view_get_depth_no_deco FLASH_CC_READ_0x20 logbook_ceiling ; read the ceiling decf ul,F ; reduce the counter movff divisor_deco,count_deco ; restart counter EXT_FLASH_INC_ADDRESS_0x20 d'1' ; skip the stop duration decf ul,F ; reduce the counter profile_view_get_depth_no_deco: ; then skip remaining bytes... movf ul,W ; get number of additional bytes to ignore (0-127) tstfsz WREG ; anything to skip? call ext_flash_inc_address_0x20_exec ; YES - skip #WREG bytes return ; done ;----------------------------------------------------------------------------- ; get Information about Event(s) ; profile_view_get_depth_events: clrf event_byte2 ; clear event byte 2 FLASH_CC_READ_0x20 event_byte1 ; read event byte 1 decf ul,F ; reduce counter btfss event_byte1,7 ; another event byte? bra profile_no_second_eventbyte ; NO - skip next FLASH_CC_READ_0x20 event_byte2 ; YES - read event byte 2 decf ul,F ; - reduce counter bcf event_byte1,7 ; - clear flag profile_no_second_eventbyte: ; Check event flags in the EventBytes btfsc event_byte1,4 ; manual gas changed? rcall logbook_event1 ; YES btfsc event_byte1,5 ; stored gas changed? rcall logbook_event4 ; YES btfsc event_byte1,6 ; setpoint change? rcall logbook_event3 ; YES btfsc event_byte2,0 ; bailout? rcall logbook_event2 ; YES ; any alarm? bcf event_byte1,4 ; clear bits already tested bcf event_byte1,5 ; ... bcf event_byte1,6 ; ... movlw .6 ; coding for manual marker cpfseq event_byte1 ; manual marker set? return ; NO - done bsf log_marker_found ; YES - draw small yellow rectangle here return ; - done logbook_event4: ; stored gas changed FLASH_CC_READ_0x20 backup_color1 ; read gas number, to be used as color index decf ul,F ; reduce counter call TFT_color_code_gas ; change profile color according to gas number (still in WREG) return ; done logbook_event1: ; gas 6 used bsf event_gas_change_gas6 ; set event flag movlw .6 ; use gas 6 color movwf backup_color1 ; select color for gas 6 call TFT_color_code_gas ; set profile color EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip two bytes decf ul,F ; reduce counter decf ul,F ; reduce counter return ; done logbook_event2: ; bailout bsf bailout_mode ; set flag movff backup_color1,backup_color2 ; backup last gas color in case we return to CCR movlw .6 ; use Gas6 color movwf backup_color1 call TFT_color_code_gas ; use gas 6 color EXT_FLASH_INC_ADDRESS_0x20 d'2' ; skip two bytes decf ul,F ; reduce counter decf ul,F ; reduce counter return ; done logbook_event3: ; setpoint change EXT_FLASH_INC_ADDRESS_0x20 d'1' ; skip one byte decf ul,F ; reduce counter btfss bailout_mode ; in bailout? return ; NO - done movff backup_color2,backup_color1 ; YES - restore color movf backup_color2,W ; - copy gas number to WREG for color-coding call TFT_color_code_gas ; - back to normal profile color return ; - done ;----------------------------------------------------------------------------- ; Helper Function - return to Dive List ; exit_profileview: clrf ul ; restore all registers to build same page again movff logbook_divenumber_temp,logbook_divenumber movff logbook_max_dive_counter_temp,logbook_max_dive_counter movff logbook_temp_backup,logbook_temp incf logbook_max_dive_counter,F decf logbook_divenumber,F bcf all_dives_shown clrf menu_pos_max ; number of rows used on current logbook-page movlw logbook_row_number movwf menu_pos_cur ; here: active row on current page call TFT_boot goto logbook2 ; display dive headers ;----------------------------------------------------------------------------- ; Helper Function - show next Page ; next_logbook2: btfsc all_dives_shown ; all shown? goto logbook ; YES clrf menu_pos_max ; number of used rows on current logbook-page movlw logbook_row_number movwf menu_pos_cur incf logbook_page_number,F ; start new screen bsf keep_cursor_new_page ; keep cursor on "next page" call TFT_boot goto logbook2 ; display dive headers ;----------------------------------------------------------------------------- ; Helper Function - move Cursor ; next_logbook3: incf menu_pos_cur,F ; set cursor to next line movlw logbook_row_number+.2 ; get maximum number of lines cpfsgt menu_pos_cur ; cursor position beyond last line? bra next_logbook3a ; NO - ok, done movlw .1 ; YES - reset to first line movwf menu_pos_cur ; - ... bra next_logbook3b ; - done next_logbook3a: incf menu_pos_max,W ; last entry on current page +1 cpfseq menu_pos_cur ; same as cursor position? bra next_logbook3b ; NO movlw logbook_row_number+.1 ; YES - ... movwf menu_pos_cur ; - ... jump directly to "next page" if page is not full movlw logbook_row_number cpfseq menu_pos_max ; last dive was row logbook_row_number? bsf all_dives_shown ; NO - set flag to load first page again (full reset) next_logbook3b: call TFT_logbook_cursor ; show the cursor goto logbook_loop_pre ; serve HMI ;----------------------------------------------------------------------------- ; Helper Function - display Dive Summery ; display_listdive: bsf logbook_page_not_empty ; flag page will not be empty incf menu_pos_max,F ; increment number of lines shown FONT_SIZE FT_SMALL ; set font size FONT_COLOR_MEMO ; set font color WIN_LEFT logbook_list_left ; set horizontal output position decf menu_pos_max,W ; get current line -1 into WREG mullw logbook_row_offset ; multiply with row spacing movff PRODL,win_top ; set vertical output position INIT_BUFFER ; initialize output buffer ; print dive number movf logbook_divenumber,W ; get running number of the dive call log_compute_divenumber ; compute dive number to show (incorporate dive number offset) bcf leftbind ; make sure dive number is printed in 5 digit format output_65535 ; print dive number (0-65535) movff buffer+2,buffer+0 ; drop first 2 digits movff buffer+3,buffer+1 ; ... movff buffer+4,buffer+2 ; ... movlw .3 ; relocate buffer pointer movwf FSR2L ; ... PUTC ' ' ; print a space char ; print dive date MOVTT header_buffer+index_date,mpr ; get date call output_date_short ; print date (day and month) PUTC ' ' ; print a space char ; print dive depth MOVII header_buffer+index_max_depth,mpr ; get max depth TSTOSS opt_units ; switch by configured units bra display_listdive2_metric ; 0 - do metric ;bra display_listdive2_imperial ; 1 - do imperial display_listdive2_imperial: call convert_cm_to_feet ; convert value in mpr from [cm] to [feet] PUTC ' ' ; print one space char output_999 ; print depth (0-999) STRCAT_TEXT tFeets1 ; print unit label bra display_listdive3 ; continue with common part display_listdive2_metric: bsf omit_digit_1 ; do not print 1st digit (no cm) bsf decimal_digit2 ; place a decimal point in front of digit 2 output_65535 ; print depth (0.0x-655.3x) STRCAT_TEXT tMeters ; print unit label PUTC ' ' ; append one space char ;bra display_listdive3 ; continue with common part ; print dive time display_listdive3: MOVII header_buffer+index_divetime,mpr ; get dive time (minutes only) output_999 ; print minutes (0-999) STRCAT_TEXT tMinutes ; print minutes mark ("'") movlw .21 ; max string length is 21 chars call TFT_buffer_trim_length ; fill or cut buffer to correct length PRINT ; dump to screen return ; done ;----------------------------------------------------------------------------- ; Helper Function - show Dive Number ; logbook_show_divenumber: WIN_MEDIUM logbook_divenumer_column, logbook_divenumer_row movf divenumber,W ; log_compute_divenumber needs the list number call log_compute_divenumber ; compute dive number bsf leftbind ; print left-aligned output_65535 ; show dive number PRINT ; print buffer to screen return ; done ;----------------------------------------------------------------------------- ; 1st Details Page after Profile: Dive Statistics ; logbook_page1: ; show more info rcall log_details_header ; show number, time/date and basic dive data btfss aux_flag ; dive done in a deco mode? bra logbook_page1_1 ; NO ; deco model WIN_SMALL .5,.65 MOVCC header_buffer+index_decomodel,WREG ; get deco model (0= ZH-L16, 1=ZH-L16+GF) decfsz WREG,W ; GF model? bra logbook_decomodel_1 ; NO - ZH-L16 ;bra logbook_decomodel_2 ; YES - ZH-L16+GF logbook_decomodel_2: ; deco model GF version STRCAT_PRINT "ZH-L16+GF" ; print model label WIN_SMALL .5,.90 ; set position STRCPY_TEXT tGF2 ; print label "GF :" MOVII header_buffer+index_gf_lo_hi,mpr ; get GF factors bra logbook_decomodel_com ; continue with common part logbook_decomodel_1: ; deco model none-GF version STRCAT_PRINT "ZH-L16" ; print model label WIN_SMALL .5,.90 ; set position STRCPY_TEXT tSD2 ; print label "S/D:" MOVII header_buffer+index_factor_sat_desat,mpr; get both factors ;bra logbook_decomodel_com ; continue with common part logbook_decomodel_com: output_256 ; print GF low / saturation factor STRCAT "%/" movff hi,lo ; print GF high / desaturation factor output_256 ; ... PUTC_PRINT "%" ; append unit and dump buffer to screen logbook_cns: WIN_SMALL .5,.115 STRCPY_TEXT tCNS2 MOVII header_buffer+index_cns_start,mpr ; get CNS at start of dive bcf mpr+1,int_warning_flag ; clear warning flag (fix for cases were the flags already got stored to EEPROM) bcf mpr+1,int_attention_flag ; clear attention flag (fix for cases were the flags already got stored to EEPROM) output_999 ; print CNS % (0-999) STRCAT "->" ; print an arrow MOVII header_buffer+index_cns_end,mpr ; get CNS at end of dive bcf hi,int_warning_flag ; clear warning flag (fix for cases were the flags already got stored to EEPROM) bcf hi,int_attention_flag ; clear attention flag (fix for cases were the flags already got stored to EEPROM) output_999 ; print CNS % (0-999) PUTC_PRINT "%" ; append unit and dump buffer to screen logbook_page1_1: WIN_SMALL .5,.140 STRCPY_TEXT tAVG MOVII header_buffer+index_avr_depth,mpr ; get average depth TSTOSS opt_units ; 0=Meters, 1=Feets bra logbook_page1_1_metric ; do metric ;bra logbook_page1_1_imperial ; do imperial logbook_page1_1_imperial: call convert_cm_to_feet ; convert value in lo:hi from [cm] to [feet] PUTC ' ' ; addend a space output_999 ; print depth (0-999) STRCAT_PRINT "ft" ; append unit and dump to screen bra logbook_page1_1_common ; continue logbook_page1_1_metric: bsf decimal_digit2 ; place a decimal point in front of digit 2 bsf omit_digit_1 ; do not print 1st digit output_65535 ; print depth (0.0x - 999.9x) PUTC_PRINT "m" ; append unit and dump buffer to screen ;bra logbook_page1_1_common ; continue logbook_page1_1_common: btfss aux_flag ; dive done in a deco mode? bra logbook_page1_2 ; NO ; Salinity WIN_SMALL .5,.165 ; set position STRCPY_TEXT tDvSalinity2 ; print label MOVCC header_buffer+index_salinity,lo ; read salinity output_99 ; print salinity (0-99, effectively 0-4 with leading space) PUTC_PRINT "%" ; append unit and dump to screen ; Last deco WIN_SMALL .5,.190 ; set position STRCPY_TEXT tLastDeco ; print label MOVCC header_buffer+index_last_stop,lo ; read last stop depth output_99 ; print depth (0-99, effectively 0-6 with leading space) PUTC_PRINT "m" ; append unit and dump to screen logbook_page1_2: movlw color_lightblue ; select color WIN_FRAME_COLOR .63,.220,.2,.105 ; top, bottom, left, right ; Firmware FONT_COLOR_MEMO ; set font color WIN_SMALL .110,.65 ; set output position STRCAT "V:" ; print "V:" MOVII header_buffer+index_firmware,mpr ; get firmware version movff lo,up ; keep a backup of major in up bsf leftbind ; print left-aligned output_99 ; print major version PUTC "." ; print "." movff hi,lo ; print minor version... output_99x ; ... in 2 digit format PRINT ; print buffer to screen logbook_battery_hwos_tech: ; all hwos tech >= 2.15 also stored battery % movf up,W ; get major into WREG xorlw .3 ; major == 3 ? bz logbook_battery_percent ; YES - show battery % movf up,W ; NO - get major into WREG (again) xorlw .2 ; major == 2 ? bnz logbook_battery_hwos_sport ; NO - check for hwos sport movlw .14 ; YES - check minor version cpfsgt lo ; - minor > 14 ? bra logbook_battery_hwos_sport ; NO - check for hwos sport bra logbook_battery_percent ; YES - show battery % logbook_battery_hwos_sport: ; all hwos_sport >= 10.34 also stored battery % ; check major again for .10 (for maintainability) movf up,W ; get major into WREG xorlw .10 ; major == 10 ? bnz logbook_battery_voltage ; NO - skip battery % movlw .33 ; YES - check minor version cpfsgt lo ; - minor > 33 ? bra logbook_battery_voltage ; NO - skip battery % ;bra logbook_battery_percent ; YES - show battery % ; Battery % logbook_battery_percent: WIN_SMALL .110,.140 MOVCC header_buffer+index_batt_percent,lo ; get battery percent output_256 ; print battery percent PUTC_PRINT "%" ; append "%" and dump buffer to screen ; Battery Voltage logbook_battery_voltage: WIN_SMALL .110,.90 ; set position STRCAT_PRINT "Batt:" ; print label WIN_SMALL .110,.115 ; set position MOVII header_buffer+index_battery_voltage,mpr ; get battery voltage bsf decimal_digit3 ; place a decimal point in front of digit 3 output_9999 ; print battery voltage (0.000-9.999) PUTC_PRINT "V" ; append unit and dump buffer to screen ; Surface Pressure MOVII header_buffer+index_surface_press,mpr ; get surface pressure WIN_SMALL .110,.165 ; set output position output_9999 ; print surface pressure before dive (0-9999) STRCAT_TEXT_PRINT tMBAR ; append unit and dump to screen movlw color_greenish ; select color WIN_FRAME_COLOR .63,.220,.107,.159 ; draw a frame with coordinates top, bottom, left, right ; handle HMI rcall logbook_preloop_tasks ; clear timeout and remaining button events display_details1_loop: btfsc switch_right ; right button pressed? bra display_details1_more ; YES - more info or back to profile btfsc switch_left ; left button pressed? bra exit_profileview ; YES - back to list call housekeeping ; NO - handle screen dump request, timeout and entering dive mode bra display_details1_loop ; - loop waiting for something to do display_details1_more: btfss aux_flag ; YES - dive done in a deco mode? goto display_profile2 ; NO - show the profile view again ;bra logbook_page2 ; YES - show more details ;----------------------------------------------------------------------------- ; 2nd Details Page after Profile: Tissue and Decompression Status ; logbook_page2: ; skip this page for dives recorded with internal profile < 0x01 MOVCC header_buffer+index_profile_version,WREG; read profile format version andlw b'11000000' ; keep only the internal part of the profile version bnz logbook_page2a ; show page 2 if internal version > 0 bra logbook_page3 ; skip page 2 if internal version is 0 logbook_page2a: rcall log_details_header ; show number, time/date and basic dive data ; basic configuration of tissue graphics bsf tissue_graphic_mode ; select logbook mode bcf tissue_graphic_layout ; select press+sat bcf tissue_graphic_cns ; do not show CNS value bcf tissue_graphic_gf ; do not show GF lines by default ; GF configuration MOVCC header_buffer+index_decomodel,WREG ; get deco model (0= ZH-L16, 1=ZH-L16+GF) dcfsnz WREG ; GF model? bsf tissue_graphic_gf ; YES - show GF lines ; draw the graphics call TFT_surf_cv_tissues ; calculate time/date of the end of the dive MOVTT header_buffer+index_date,rtc_latched_year ; get start of the dive - year, month, day MOVII header_buffer+index_time,rtc_latched_hour ; get start of the dive - hour, minute MOVII header_buffer+index_total_seconds,mpr ; get total dive duration in seconds into hi:lo call convert_time ; convert seconds (in hi:lo) into minutes (in up:hi) and seconds (in lo) MOVCC lo,rtc_latched_secs ; set duration of the dive - seconds MOVCC hi,lo ; set duration of the dive - minutes, low byte MOVCC up,hi ; set duration of the dive - minutes, high byte call rtc_add_minutes ; add minutes in hi:lo to time/date in rtc_latched ; print time/date of the end of the dive WIN_SMALL .8,.193 ; select font and output position MOVTT rtc_latched_year,mpr ; get computed end-of-dive date call output_date_short ; print date (day and month) STRCAT ".-" ; print spacing ".-" MOVII rtc_latched_hour,mpr ; get computed end-of-dive time output_99x ; print hour PUTC ':' ; print spacing ":" movff hi,lo ; print minute output_99x ; ... PRINT ; print buffer to screen ; draw a white frame around the time/date WIN_FRAME_STD surf_tissue_diagram_bottom,.220, surf_tissue_diagram_left, surf_tissue_diagram_right bra logbook_page2_rightside ; continue with right side logbook_page2_nograph: WIN_SMALL .6,.118 ; no tissue graphics because the STRCAT_PRINT "(< FW 3.08)" ; profile was recorded on a FW < 3.08 logbook_page2_rightside: ; 1st line: supersaturation at end of dive WIN_SMALL .100,.68 STRCAT_TEXT_PRINT tBeginOfDive ; print "Begin" ; 2nd line: WIN_SMALL .100+.28,.93 ; +16 for centered, +28 for right-aligned MOVCC header_buffer+index_supersat_start,lo ; get supersaturation at start of dive output_256 ; print percent value PUTC_PRINT "%" ; append "%" and dump buffer to screen ; 3rd line: WIN_SMALL .100,.118 STRCAT_TEXT_PRINT tEndOfDive ; print "End" ; 4th line: WIN_SMALL .100+.28,.143 ; +16 for centered, +28 for right-aligned MOVCC header_buffer+index_supersat_end,lo ; get supersaturation at end of dive output_256 ; print percent value PUTC_PRINT "%" ; append "%" and dump buffer to screen ; 5th line: desaturation time label WIN_SMALL .100,.168 STRCAT_TEXT_PRINT tDesatTime ; print "Desat" ; 6th line: desaturation time value WIN_SMALL .100+.14,.193 ; +?? for centered, +14 for right-aligned MOVII header_buffer+index_desattime,mpr ; get desaturation time call convert_time ; convert hi:lo in minutes to hours (up:hi) and minutes (lo) movf lo,W ; swap hi and lo movff hi,lo ; ... movwf hi ; ... output_99 ; print hours in 0-99 PUTC 'h' ; print hours mark movff hi,lo ; print minutes... output_99x ; ... in two digits, leading zero PUTC_PRINT "m" ; append minutes mark and dump buffer to screen ; draw a colored frame around the right side movlw color_orange ; select color WIN_FRAME_COLOR .65,.220,.97,.159 ; draw a frame with coordinates top, bottom, left, right ; handle HMI rcall logbook_preloop_tasks ; clear timeout and left-over button events display_details1b_loop: btfsc switch_right ; right button pressed? bra logbook_page3 ; YES - show more info btfsc switch_left ; left button pressed? bra exit_profileview ; YES - back to list call housekeeping ; NO - handle screen dump request, timeout and entering dive mode bra display_details1b_loop ; - loop waiting for something to do ;----------------------------------------------------------------------------- ; Helper Function - clear Timeout and left-over Button Events ; logbook_preloop_tasks: movlw CCP1CON_VALUE ; see hwos.inc movwf CCP1CON ; power-on backlight FONT_COLOR_MEMO ; revert font color to standard call reset_timeout_surfmode ; reset timeout bcf switch_left ; clear left-over left button event bcf switch_right ; clear left-over right button event return ; done ;----------------------------------------------------------------------------- ; 3rd Details Page after Profile: Gases / Diluents ; logbook_page3: rcall log_details_header ; show number, time/date and basic dive data lfsr FSR0,header_buffer+index_gas1 ; load base address of the gases bcf log_show_gas_short ; do the long version of log_show_gas WIN_SMALL .5,.90 movlw .1 ; color for gas 1 rcall log_show_gas WIN_SMALL .5,.115 movlw .2 ; color for gas 2 rcall log_show_gas WIN_SMALL .5,.140 movlw .3 ; color for gas 3 rcall log_show_gas WIN_SMALL .5,.165 movlw .4 ; color for gas 4 rcall log_show_gas WIN_SMALL .5,.190 movlw .5 ; color for gas 5 rcall log_show_gas ; OC/CC gas list WIN_SMALL .5,.65 ; set title position FONT_COLOR color_greenish ; set title color MOVCC header_buffer+index_divemode,WREG ; read dive mode (0=OC, 1=CC, 2=Gauge, 3=Apnea, 4= pSCR) decfsz WREG,W ; dive mode = CC ? bra logbook_page3a ; NO - print OC title STRCPY_TEXT_PRINT tGaslistCC ; YES - print CC title bra logbook_page3b ; - continue with common part logbook_page3a: STRCPY_TEXT_PRINT tGaslist ; print OC title logbook_page3b: movlw color_lightblue ; select frame color WIN_FRAME_COLOR .63,.220,.2,.114 ; draw frame (top, bottom, left, right) ; handle HMI rcall logbook_preloop_tasks ; clear timeout, some flags and set to speed_eco display_details2_loop: btfsc switch_right ; right button pressed? goto logbook_page4 ; YES - show more info btfsc switch_left ; NO - left button pressed? bra exit_profileview ; YES - back to list call housekeeping ; NO - handle screen dump request, timeout and entering dive mode bra display_details2_loop ; - loop waiting for something to do ;----------------------------------------------------------------------------- ; 4th Details Page after Profile: Setpoints ; logbook_page4: MOVCC header_buffer+index_divemode,WREG ; get dive mode (0=OC, 1=CC, 2=Gauge, 3=Apnea, 4= pSCR) decfsz WREG,W ; =1 (CC)? goto display_profile2 ; NO - skip setpoints rcall log_details_header ; show number, time/date and basic dive data ; print setpoint list lfsr FSR0,header_buffer+index_sp1 ; load base address of the setpoints WIN_SMALL .5,.65 ; set title position FONT_COLOR color_greenish ; set title color STRCPY_TEXT_PRINT tFixedSetpoints ; print title FONT_COLOR_MEMO ; set font color WIN_SMALL .5,.90 ; set position rcall log_show_sp ; print setpoint data set WIN_SMALL .5,.115 ; set position rcall log_show_sp ; print setpoint data set WIN_SMALL .5,.140 ; set position rcall log_show_sp ; print setpoint data set WIN_SMALL .5,.165 ; set position rcall log_show_sp ; print setpoint data set WIN_SMALL .5,.190 ; set position rcall log_show_sp ; print setpoint data set movlw color_greenish ; select color for the frame WIN_FRAME_COLOR .63,.220,.2,.112 ; draw frame (top, bottom, left, right) ; handle HMI rcall logbook_preloop_tasks ; clear timeout, some flags and set to Speed_eco display_details3_loop: btfsc switch_right ; right button pressed? goto display_profile2 ; YES - show the profile view again btfsc switch_left ; left button pressed? bra exit_profileview ; YES - back to list call housekeeping ; NO to both - handle screen dump request, timeout and entering dive mode bra display_details3_loop ; - loop waiting for something to do ;----------------------------------------------------------------------------- ; Helper Function - show Dive Number, Time/Date and basic Dive Data ; log_details_header: call TFT_boot ; initialize display FONT_COLOR_MEMO ; set font color rcall logbook_show_divenumber ; show the dive number in medium font ; show date and time in first row WIN_SMALL .59,.10 MOVTT header_buffer+index_date,mpr ; get date call output_date ; print date PUTC "-" ; print "-" MOVII header_buffer+index_time,mpr ; get time output_99x ; print hour PUTC ':' ; print spacing ":" movff hi,lo ; print minute output_99x ; ... PRINT ; dump to screen ; show max depth and dive time WIN_SMALL .5,.35 STRCAT "Max:" MOVII header_buffer+index_max_depth,mpr ; get max depth TSTOSS opt_units ; 0=Meters, 1=Feet bra logbook_page2_depth_metric ; 1 - do metric ;bra logbook_page2_depth_imperial ; 0 - do imperial logbook_page2_depth_imperial: call convert_cm_to_feet ; convert value in lo:hi from [cm] to [feet] PUTC ' ' ; append a space output_999 ; print depth STRCAT_TEXT tFeets ; append unit bra logbook_page2_depth_common ; continue logbook_page2_depth_metric: bsf omit_digit_1 ; do not print 1st digit bsf decimal_digit2 ; place a decimal point in front of digit 2 output_65535 ; print depth (0.0x-655.3x) STRCAT_TEXT tMeters ; append unit ;bra logbook_page2_depth_common ; continue logbook_page2_depth_common: STRCAT " - " MOVTT header_buffer+index_divetime,mpr ; get dive time bsf leftbind ; print left-aligned output_9999 ; print minutes (0-9999) PUTC "m" ; append unit movff up,lo ; print seconds output_99x ; ... PUTC_PRINT "s" ; append unit and dump buffer to screen return ; done ;----------------------------------------------------------------------------- ; Helper Function - show Setpoint Data ; log_show_sp: ; log point is set by caller MOVCC POSTINC0,lo ; copy set point into lo MOVCC POSTINC0,hi ; copy change depth into hi movff mpr+1,mpr+2 ; save change depth clrf mpr+1 ; set high byte to zero for printing setpoint bsf leftbind ; print left-aligned bsf decimal_digit2 ; place a decimal point in front of digit 2 output_999 ; print setpoint (0.00-9.99) STRCAT_TEXT tbar ; append unit PUTC " " ; append a space movff mpr+2,mpr+0 ; restore change depth to lo TSTOSS opt_units ; 0=Meter, 1=Feet bra log_show_sp_metric ; 0 - do metric ;bra log_show_sp_imperial ; 1 - do imperial log_show_sp_imperial: call convert_meter_to_feet ; convert value in lo from [m] to [feet] output_999 ; print depth (0-999) PUTC " " ; append space STRCAT_TEXT_PRINT tFeets ; append unit and dump to screen return ; done log_show_sp_metric: output_256 ; print depth (0-256) PUTC " " ; append space STRCAT_TEXT_PRINT tMeters ; append unit and dump to screen return ; done ;----------------------------------------------------------------------------- ; Helper Function - show Gas Data ; log_show_gas: ; show gas data call TFT_color_code_gas ; color the output (gas number is in WREG) MOVCC POSTINC0,lo ; read O2 fraction into lo MOVCC POSTINC0,hi ; read He fraction into hi call gaslist_strcat_mix ; put "Nxlo", "Txlo/hi", "Air" or "O2" into buffer MOVCC POSTINC0,lo ; read change depth into lo MOVCC POSTINC0,hi ; read gas type into hi btfss log_show_gas_short ; shall do the short version? bra log_show_gas_long ; NO - add gas types PRINT ; YES - dump to screen return ; done log_show_gas_long: PUTC " " ; put one space between gas composition and gas type marking tstfsz hi ; gas disabled? bra log_show_gas_1 ; NO - next check PUTC "x" ; YES - mark with "x" bra log_show_gas_4 ; - continue with change depth log_show_gas_1: decfsz hi,F ; now: -1 disabled, 0 first, 1 travel, 2 deco -> first? bra log_show_gas_2 ; NO - next check PUTC "*" ; YES - mark with "*" bra log_show_gas_4 ; - continue with change depth log_show_gas_2: decf hi,F ; now: -2 disabled, -1 first, 0 travel, 1 deco decfsz hi,F ; now: -3 disabled, -2 first, -1 travel, 0 deco -> deco? bra log_show_gas_3 ; NO - nothing to mark PUTC "=" ; YES - mark with "=" bra log_show_gas_4 ; - continue with change depth log_show_gas_3: PUTC " " ; print a space in absence of any other marking log_show_gas_4: PUTC " " ; put one space between gas type marking and change depth bsf leftbind ; print left-aligned TSTOSS opt_units ; 0=Meter, 1=Feet bra log_show_gas_metric ; 0 - do metric ;bra log_show_gas_imperial ; 1 - do imperial log_show_gas_imperial: call convert_meter_to_feet ; convert value in lo from [m] to [feet] output_999 ; print depth (0-999) STRCAT_TEXT_PRINT tFeets ; append unit and dump to screen return ; done log_show_gas_metric: output_256 ; print depth (0-255) STRCAT_TEXT_PRINT tMeters ; append unit and dump to screen return ; done ;----------------------------------------------------------------------------- ; Helper Function - compute Dive Number ; log_compute_divenumber: movwf mpr+2 ; store current dive number in mpr+2 call eeprom_log_offset_read ; read log offset into mpr+0 & +1 ; check if offset = 0 tstfsz mpr+0 ; low byte = 0 ? bra log_compute_divenumber_2 ; NO - apply offset tstfsz mpr+1 ; YES - high byte = 0 ? bra log_compute_divenumber_2 ; NO - apply offset ;bra log_compute_divenumber_1 ; YES - no offset log_compute_divenumber_1: movff mpr+2,mpr+0 ; use plain number from dive list clrf mpr+1 ; set high byte to 0 return ; done log_compute_divenumber_2: ; check limit (offset must be < 10000) MOVLI .9999,sub_a ; sub_a = 9999 MOVII mpr, sub_b ; sub_b = offset call cmpU16 ; 9999 - offset btfsc neg_flag ; result negative, i.e. offset > 9999 ? bc log_compute_divenumber_1 ; YES - ignore offset INCI mpr ; NO - increment offset by 1 MOVII mpr,sub_a ; - sub_a = offset + 1 movff mpr+2,sub_b+0 ; - sub_b = number from list (low byte) clrf sub_b+1 ; - high byte is 0 call subU16 ; - sub_c = offset + 1 - (number from list) MOVII sub_c,mpr ; - copy result back to mpr return ; - done ;----------------------------------------------------------------------------- ; Helper Function - compute Flash Address of Header by Dive Number ; ; Memory Map in Flash: ; ; low(total number of dives) -> index -> start address end address ; -------------------------------------------------------------------- ; 1 0 0x2|00|000 - 0x2|00|FFF ; 2 1 0x2|01|000 - 0x2|01|FFF ; 3 2 0x2|02|000 - 0x2|02|FFF ; ... ; 256 -> 0 255 0x2|FF|000 - 0x2|FF|FFF ; log_header_addr_by_divenumber: ; compute dive index from of the dive number decf divenumber,W ; compute number of dive to show -1... movwf mpr+3 ; ... and store in mpr+3 movf total_num_dives,W ; get number of total dives (low byte) bcf STATUS,C ; clear carry/borrow bit subfwb mpr+3,W ; index = number of total dives - number of dive to show + 1 ;bra log_header_addr_by_index ; get address by index ;----------------------------------------------------------------------------- ; Helper Function - compute Flash Address of Header by Dive Index ; global log_header_addr_by_index log_header_addr_by_index: ; compute the start address of the header belonging to the dive whose index is in WREG movwf lo ; copy index to lo movlw .16 ; prepare a shift left by 4 bit -> multiply with 16 mulwf lo ; shift left the index to create the offset clrf ext_flash_address+0 ; clear low byte of the address movf PRODL,W ; get low byte of the offset movwf ext_flash_address+1 ; store as high byte of the address movf PRODH,W ; get high byte of the offset addlw 0x20 ; add 0x20 movwf ext_flash_address+2 ; store as upper byte of the address return ; done ; ---------------------------------------------------------------- END