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view code_part1/OSTC_code_asm_part1/menu_reset.asm @ 842:454ef5c2e6aa default tip
Bugfix: Auto-SP did not show >9m for some 2C hardware versions in German language firmware
Make year settings until 2040 possible (This is likely the final release for this model)
| author | heinrichsweikamp |
|---|---|
| date | Sat, 29 Nov 2025 14:11:07 +0100 |
| parents | 69bc5feca5da |
| children |
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; OSTC Mk.2, 2N and 2C - diving computer code ; Copyright (C) 2015 HeinrichsWeikamp GbR ; This program is free software: you can redistribute it and/or modify ; it under the terms of the GNU General Public License as published by ; the Free Software Foundation, either version 3 of the License, or ; (at your option) any later version. ; This program is distributed in the hope that it will be useful, ; but WITHOUT ANY WARRANTY; without even the implied warranty of ; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the ; GNU General Public License for more details. ; You should have received a copy of the GNU General Public License ; along with this program. If not, see <http://www.gnu.org/licenses/>. ; Menu "Reset all" ; written by: Matthias Heinrichs, info@heinrichsweikamp.com ; written: 10/30/05 ; last updated: 10/12/08 by JD Gascuel at free.fr ; known bugs: ; ToDo: ; routines to reset external EEPROM (currently inactvated!) ; routines to reset custom function, gases and decompression values ; does not reset clock ;============================================================================= ; CF default values ; ; Macro to check values, and construct PROM CF default table. ; If in types mode, set flags into hi. If not, clear it. CF_DEFAULT macro type, default, min, max noexpand CFn set 1+CFn if (type) == CF_INT15 if HIGH (default) > .127 error CF#v(CFn) "15bit default too big: ", default endif if (min)>0 && (max>min) error CF#v(CFn) "15bit defaults cannot have both MIN & MAX flags" endif if HIGH(min) > .127 error CF#v(CFn) "15bit MIN value too big: ", min endif if HIGH(max) > .127 error CF#v(CFn) "15bit MAX value too big: ", max endif ifdef NO_CF_TYPES DB LOW (default), HIGH(default) + 0x80 else DB LOW (default), HIGH(default) + 0x80 if (max) > (min) DB LOW(max), HIGH(max) + 0x80 else DB LOW(min), HIGH(min) endif endif else ; Basic sanity check for 8bit values: if HIGH(default) > 0 error CF#v(CFn) "8bit default too big: ", default endif if type & CF_NEG if HIGH(-min) != 0 error CF#v(CFn) "8bit negativ min too big: ", min endif else if HIGH(min) != 0 error CF#v(CFn) "8bit min too big: ", min endif endif if HIGH(max) != 0 error CF#v(CFn) "8bit max too big: ", max endif if ((type)==CF_BOOL) && ( (default)>1 ) error CF#v(CFn) "BOOL default too big: ", default endif if ((type)==CF_BOOL) && ( (min)>0 || (max)>0 ) error CF#v(CFn) "BOOL cannot have min/max" endif ifdef NO_CF_TYPES DB LOW(default), 0 else local typeFlags typeFlags set type if (min)!=0 typeFlags set type + CF_MIN endif if (max)>(min) typeFlags set typeFlags + CF_MAX endif DB LOW(default), (typeFlags), LOW(min), LOW(max) endif endif expand endm ; Starting at CF0 CFn set -1 ; resets all customfunctions to the following default values cf_default_table0: ;---- BANK0 custom function defaults ------------------------------------- ; DEFAULT MIN MAX CF_DEFAULT CF_CENTI, d'100', d'50', d'250' ; CF00 dive_threshold 100cm CF_DEFAULT CF_CENTI, d'75', d'20', d'100' ; CF01 surf_threshold 75cm CF_DEFAULT CF_INT15, d'240', d'0', d'600' ; CF02 diveloop_timeout 240s CF_DEFAULT CF_SEC, d'120', d'30', d'240' ; CF03 surfloop_timeout 120s CF_DEFAULT CF_SEC, d'5', d'1', d'30' ; CF04 premenu_timeout 5s CF_DEFAULT CF_INT8, d'7', d'3', d'18' ; CF05 minimum_velocity 7min/min CF_DEFAULT CF_INT15, d'1160',d'950', 0 ; pressure_offset_divemode 1160mbar CF_DEFAULT CF_INT15, d'1080',d'1080', 0 ; max_surfpressure 1080mbar CF_DEFAULT CF_PERCENT, d'20', d'1', d'99' ; min_gradient_factor 20% CF_DEFAULT CF_PERCENT, d'20', d'1', d'22' ; oxygen_threshold 22% CF_DEFAULT CF_SEC, d'45', d'5', d'60' ; CF10 dive_menu_timeout 45s CF_DEFAULT CF_PERCENT, d'110', d'110', d'200' ; saturation_multiplier x1.10 CF_DEFAULT CF_PERCENT, d'90', d'50', d'90' ; desaturation_multiplier x0.90 CF_DEFAULT CF_PERCENT, d'60', d'60', d'100' ; nofly_time_ratio 60% CF_DEFAULT CF_PERCENT, d'100', d'50', d'100' ; gradient_factor_alarm1 100% CF_DEFAULT CF_PERCENT, d'10', d'0', d'100' ; CF15 cns_display_surface 10% CF_DEFAULT CF_DECI, d'10', d'0', d'20' ; CF16 deco_distance_for_sim 1m CF_DEFAULT CF_CENTI, d'019', d'16', d'021' ; ppo2_warning_low 0.19 bar CF_DEFAULT CF_CENTI, d'160', d'0', d'160' ; ppo2_warning_high 1.60 bar CF_DEFAULT CF_CENTI, d'140', d'0', d'150' ; ppo2_display_high 1.40 bar CF_DEFAULT CF_INT8, d'10', d'1', d'120' ; CF20 sampling_rate 10s CF_DEFAULT CF_INT8, d'6', d'0', d'15' ; sampling_divisor_temp /6 CF_DEFAULT CF_INT8, d'6', d'0', d'15' ; sampling_divisor_deco /6 CF_DEFAULT CF_INT8, d'6', d'0', d'15' ; sampling_divisor_gf /6 CF_DEFAULT CF_INT8, d'0', d'0', d'15' ; sampling_divisor_ppo2 never CF_DEFAULT CF_INT8, d'0', d'0', d'15' ; CF25 sampling_divisor_deco2 never CF_DEFAULT CF_INT8, d'12', d'0', d'15' ; sampling_divisor_cns /12 CF_DEFAULT CF_PERCENT, d'20', d'5', d'75' ; cns_display_high 20% CF_DEFAULT CF_INT15, d'0', d'0', 0 ; logbook_offset No Offset, but 15Bit value CF_DEFAULT CF_INT8, d'3', d'2', d'6' ; last_deco_depth 3m CF_DEFAULT CF_SEC, d'10', d'1', d'15' ; CF30 timeout_apnoe_mode 10min CF_DEFAULT CF_BOOL, d'0', 0, 0 ; CF31 show_voltage_value =1 Show value instead of symbol, =0 Show Symbol ;---- BANK1 custom function defaults ------------------------------------- cf_default_table1: ; DEFAULT MIN MAX CF_DEFAULT CF_PERCENT, d'30', d'5', d'90' ; CF32 GF_low_default 30% CF_DEFAULT CF_PERCENT, d'85', d'30', d'95' ; CF33 GF_high_default 85% CF_DEFAULT CF_COLOR, d'199', 0, 0 ; CF34 color_battery_surface Color Battery sign: Deep blue CF_DEFAULT CF_COLOR, d'255', 0, 0 ; CF35 color_standard1 Color Standard: White CF_DEFAULT CF_COLOR, d'62', 0, 0 ; CF36 color_divemask Color Divemask: Light green CF_DEFAULT CF_COLOR, d'224', 0, 0 ; CF37 color_warnings Color Warnings: Red CF_DEFAULT CF_BOOL, d'0', 0, 0 ; CF38 show_seconds_divemode =1 Show the seconds in Divemode CF_DEFAULT CF_BOOL, 0, 0, 0 ; CF39 Adjust SetPoint if Diluent ppO2 > SetPoint CF_DEFAULT CF_BOOL, d'1', 0, 0 ; CF40 warn_ceiling_divemode =1 Warn ceiling violation in divemode CF_DEFAULT CF_BOOL, d'1', 0, 0 ; CF41 unused CF_DEFAULT CF_BOOL, d'1', 0, 0 ; CF42 blink_gas_divemode =1 blink better gas CF_DEFAULT CF_INT15, d'13000', 0, d'13000' ; CF43 color_warn_depth_mbar Warn depths CF_DEFAULT CF_PERCENT, d'101', d'50', d'101' ; CF44 color_warn_cns_percent Warn-% CF_DEFAULT CF_PERCENT, d'101', d'50', d'101' ; CF45 color_warn_gf_percent Warn-% CF_DEFAULT CF_CENTI, d'161', d'100', d'161' ; CF46 color_warn_ppo2_cbar ppO2 warn CF_DEFAULT CF_INT8, d'15', d'7', d'20' ; CF47 color_warn_celocity_mmin warn at xx m/min CF_DEFAULT CF_SEC+CF_NEG,d'0', -d'120' ,d'120' ; CF48 time_correction_value_default Adds to Seconds on Midnight CF_DEFAULT CF_BOOL, d'0', 0, 0 ; CF49 Show Altimeter in surface mode CF_DEFAULT CF_BOOL, d'0', 0, 0 ; CF50 Show Log-Marker CF_DEFAULT CF_BOOL, d'1', 0, 0 ; CF51 Show Stopwatch CF_DEFAULT CF_BOOL, d'0', 0, 0 ; CF52 Show Tissue Graph in Divemode CF_DEFAULT CF_BOOL, d'0', 0, 0 ; CF53 Show Laeding Tissue in Divemode CF_DEFAULT CF_BOOL, d'0', 0, 0 ; CF54 Display shallowest stop first CF_DEFAULT CF_INT8, d'0', d'0', d'10' ; CF55 Gas switch additional delay CF_DEFAULT CF_INT8, d'20', d'5', d'50' ; CF56 Bottom gas usage (SAC l/min) CF_DEFAULT CF_INT8, d'20', d'5', d'50' ; CF57 Ascent/deco gas usage (SAC l/min) CF_DEFAULT CF_INT8, d'0', d'0', d'10' ; CF58 TTS for extra time at current depth [min] CF_DEFAULT CF_INT15, d'0', d'0', d'7000' ; CF59 Cave conso warning [l] CF_DEFAULT CF_BOOL, 1, 0, 0 ; CF60 Show Graphical ascend speed indicator CF_DEFAULT CF_BOOL, 0, 0, 0 ; CF61 Show pSCR ppO2 CF_DEFAULT CF_PERCENT, .4, .0, .100 ; CF62 pSCR O2 Drop CF_DEFAULT CF_INT8, .10, .0, .100 ; CF63 pSCR counterlung ratio ;---- BANK2 custom function defaults ------------------------------------- cf_default_table2: CF_DEFAULT CF_COLOR, d'103', 0, 0 ; CF64 color_inactive Color inactive: grey CF_DEFAULT CF_BOOL, 0, 0, 0 ; CF65 Show safety stop CF_DEFAULT CF_BOOL, 0, 0, 0 ; CF66 Show GF in NDL (If GF > CF08) CF_DEFAULT CF_PERCENT, d'30', d'5', d'90' ; CF67 aGF_low_default 30% CF_DEFAULT CF_PERCENT, d'90', d'30', d'95' ; CF68 aGF_high_default 90% CF_DEFAULT CF_BOOL, 0, 0, 0 ; CF69 Allow GF change (Between GF and aGF) CF_DEFAULT CF_SEC, d'180', d'10', d'250' ; CF70 Safety Stop Duration [s] CF_DEFAULT CF_DECI, d'51', d'30', d'65' ; CF71 Safety Stop Start Depth [dm] CF_DEFAULT CF_DECI, d'29', d'25', d'50' ; CF72 Safety Stop End Depth [dm] CF_DEFAULT CF_DECI, d'101', d'75', d'201' ; CF73 Safety Stop Reset Depth [dm] CF_DEFAULT CF_INT15, d'1800',d'0', d'3600' ; CF74 Battery Timeout [min] CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF75 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF76 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF77 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF78 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF79 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF80 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF81 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF82 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF83 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF84 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF85 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF86 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF87 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF88 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF89 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF90 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF91 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF92 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF93 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF94 unused CF_DEFAULT CF_INT8, d'0', d'0', d'0' ; CF95 unused cf_default_table3: ;============================================================================= menu_reset: movlw d'1' movwf menupos call DISP_ClearScreen call DISP_reset_menu_mask menu_reset2: call menu_pre_loop_common ; Clear some menu flags, timeout and switches call DISP_reset_menu_mask call DISP_menu_cursor menu_reset_loop: call check_switches_menu btfsc menubit2 bra do_menu_reset ; call submenu btfss menubit bra menu ; exit setup menu and return to main menu btfsc onesecupdate call timeout_surfmode btfsc onesecupdate call set_dive_modes btfsc onesecupdate call test_charger ; check if charger IC is active btfsc onesecupdate call get_battery_voltage ; get battery voltage bcf onesecupdate ; End of one second tasks btfsc sleepmode goto menu btfsc divemode goto restart ; exit menu, restart and enter divemode bra menu_reset_loop do_menu_reset: ; calls submenu dcfsnz menupos,F bra do_menu_reset_exit ; Cancel, exit dcfsnz menupos,F bra do_menu_reset_all ; Reset all settings dcfsnz menupos,F bra do_menu_reset_logbook ; Reset Logbook Memory! dcfsnz menupos,F bra do_menu_reset_reboot ; Reboot OSTC dcfsnz menupos,F bra do_menu_reset_decodata ; Reset Decodata do_menu_reset_exit: movlw d'3' movwf menupos bra menu2 ; exit... do_menu_reset_reboot: call DISP_confirmbox ; Returns WREG=0 for Cancel (Or Timeout) and WREG=1 for OK! movwf menupos ; Used as temp tstfsz menupos bra do_menu_reset_reboot2 ; Delete now! bra do_menu_reset_exit ; Cancel! do_menu_reset_reboot2: call DISP_DisplayOff ; Power-down DISPLAY movlw b'00000000' ; Bit6: PPL Disable movwf OSCTUNE movlw b'01111110' ; 8MHz movwf OSCCON reset goto 0x00000 ; restart to 0x00000 do_menu_reset_logbook: call DISP_confirmbox ; Returns WREG=0 for Cancel (Or Timeout) and WREG=1 for OK! movwf menupos ; Used as temp tstfsz menupos bra do_menu_reset_logbook2 ; Delete Logbook now! bra do_menu_reset_exit ; Cancel! do_menu_reset_logbook2: call DISP_ClearScreen setf win_color1 ; Make sure to display in white color. setf win_color2 DISPLAYTEXT .25 ; "Reset..." call reset_external_eeprom ; delete profile memory bra do_menu_reset_exit do_menu_reset_decodata: call DISP_confirmbox ; Returns WREG=0 for Cancel (Or Timeout) and WREG=1 for OK! movwf menupos ; Used as temp tstfsz menupos bra do_menu_reset_decodata2 ; Reset Deco Data now! bra do_menu_reset_exit ; Cancel! do_menu_reset_decodata2: ; reset deco data call DISP_ClearScreen DISPLAYTEXT .25 ; "Reset..." SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; copy surface air pressure to deco routine call deco_clear_tissue ; Reset Decodata call deco_calc_desaturation_time ; calculate desaturation time call deco_clear_CNS_fraction ; clear CNS movlb b'00000001' ; select ram bank 1 clrf nofly_time+0 ; Reset NoFly clrf nofly_time+1 ; Reset NoFly bcf nofly_active ; Clear flag goto restart ; done. quit to surfmode do_menu_reset_all: call DISP_confirmbox ; Returns WREG=0 for Cancel (Or Timeout) and WREG=1 for OK! movwf menupos ; Used as temp tstfsz menupos bra do_menu_reset_all2 ; Reset all now! bra do_menu_reset_exit ; Cancel! do_menu_reset_all2: call DISP_ClearScreen DISPLAYTEXT .25 ; "Reset..." reset_start: ; reset deco data SAFE_2BYTE_COPY amb_pressure,int_I_pres_respiration ; copy surface air pressure to deco routine call deco_clear_tissue ; Reset Decodata call deco_calc_desaturation_time ; calculate desaturation time call deco_clear_CNS_fraction ; clear CNS movlb b'00000001' ; select ram bank 1 clrf nofly_time+0 ; Reset NoFly clrf nofly_time+1 ; Reset NoFly bcf nofly_active ; Clear flag ; reset gases rcall reset_gases rcall reset_all_cf goto restart ; all reset, quit to surfmode reset_all_cf: movlw d'1' movwf EEDATA write_int_eeprom d'33' ; reset start gas movlw d'4' ; Default is L16-GF OC movwf EEDATA write_int_eeprom d'34' ; reset deco model clrf EEDATA write_int_eeprom d'35' ; unused in Mk.2 clrf EEDATA write_int_eeprom d'39' ; Disable Debugbode clrf EEDATA write_int_eeprom d'90' ; Disable Brightness offset? (Dim=1, Normal = 0) movlw d'1' movwf EEDATA write_int_eeprom d'91' ; Reset Date format to DD.MM.YY movlw d'100' movwf EEDATA write_int_eeprom d'26' ; Salinity default: 1.00 kg/l movlw b'00011111' movwf EEDATA write_int_eeprom d'27' ; reset active gas flags clrf EEDATA write_int_eeprom d'28' ; reset change depth gas #1 clrf EEDATA write_int_eeprom d'29' ; reset change depth gas #2 clrf EEDATA write_int_eeprom d'30' ; reset change depth gas #3 clrf EEDATA write_int_eeprom d'31' ; reset change depth gas #4 clrf EEDATA write_int_eeprom d'32' ; reset change depth gas #5 movlw d'80' movwf EEDATA write_int_eeprom d'36' ; reset mix1 to ppO2=0.80bar movlw d'100' movwf EEDATA write_int_eeprom d'37' ; reset mix2 to ppO2=1.00bar movlw d'120' movwf EEDATA write_int_eeprom d'38' ; reset mix3 to ppO2=1.20bar ; Change depths to zero clrf EEDATA write_int_eeprom d'117' write_int_eeprom d'118' write_int_eeprom d'119' ; SP Mode (Manual) write_int_eeprom d'116' clrf nofly_time+0 ; Clear nofly time clrf nofly_time+1 ; Clear nofly time reset_all_cf_bank0: clrf EEADRH ; EEPROM BANK 0 movlw d'127' ; address of low byte of first custom function movwf EEADR movlw LOW cf_default_table0 ; Load PROM pointer. movwf TBLPTRL,A movlw HIGH cf_default_table0 movwf TBLPTRH,A movlw UPPER cf_default_table0 movwf TBLPTRU,A cf_bank0_loop: ; Did we already read 32 (decimal) words or double-words (with types) ? movf TBLPTRL,W sublw LOW (cf_default_table1) bz reset_all_cf_bank1 rcall reset_customfunction ; saves default and current value bra cf_bank0_loop reset_all_cf_bank1: movlw d'1' movwf EEADRH ; EEPROM BANK 1 movlw d'127' ; address of low byte of first custom function movwf EEADR movlw LOW cf_default_table1 ; Load PROM pointer. movwf TBLPTRL,A movlw HIGH cf_default_table1 movwf TBLPTRH,A movlw UPPER cf_default_table1 movwf TBLPTRU,A cf_bank1_loop: ; Did we already read another 32 (decimal) words or double-words ? movf TBLPTRL,W sublw LOW (cf_default_table2) bz reset_all_cf_bank2 rcall reset_customfunction ; saves default and current value bra cf_bank1_loop reset_all_cf_bank2: movlw d'2' movwf EEADRH ; EEPROM BANK 2 movlw d'127' ; address of low byte of first custom function movwf EEADR movlw LOW cf_default_table2 ; Load PROM pointer. movwf TBLPTRL,A movlw HIGH cf_default_table2 movwf TBLPTRH,A movlw UPPER cf_default_table2 movwf TBLPTRU,A cf_bank2_loop: ; Did we already read another 32 (decimal) words or double-words ? movf TBLPTRL,W sublw LOW (cf_default_table3) bz cf_bank2_end rcall reset_customfunction ; saves default and current value bra cf_bank2_loop cf_bank2_end: clrf EEADRH ; EEPROM BANK 0 return reset_gases: clrf EEADRH ; EEPROM BANK 0 movlw d'3' ; address of first gas-1 movwf EEADR clrf hi ; He part (default for all gases and diluents: 0%) movlw .21 movwf lo ; O2 part (default for all gases and diluents: 21%) rcall reset_gas ; saves current value for gas #1 rcall reset_gas ; saves default value for gas #1 rcall reset_gas ; saves current value for gas #2 rcall reset_gas ; saves default value for gas #2 rcall reset_gas ; saves current value for gas #3 rcall reset_gas ; saves default value for gas #3 rcall reset_gas ; saves current value for gas #4 rcall reset_gas ; saves default value for gas #4 rcall reset_gas ; saves current value for gas #5 rcall reset_gas ; saves default value for gas #5 rcall reset_gas ; saves current value for gas #6 movlw d'94' ; address of first diluent-1 movwf EEADR rcall reset_gas ; saves current value for diluent #1 rcall reset_gas ; saves default value for diluent #1 rcall reset_gas ; saves current value for diluent #2 rcall reset_gas ; saves default value for diluent #2 rcall reset_gas ; saves current value for diluent #3 rcall reset_gas ; saves default value for diluent #3 rcall reset_gas ; saves current value for diluent #4 rcall reset_gas ; saves default value for diluent #4 rcall reset_gas ; saves current value for diluent #5 rcall reset_gas ; saves default value for diluent #5 movlw .1 movwf EEDATA write_int_eeprom .33 ; First Gas (1-5) write_int_eeprom .115 ; First Diluent (1-5) return ; Write WREG:lo twice, w/o any type clearing, pre-incrementing EEADR reset_gas: incf EEADR,F movff lo, EEDATA ; O2 value call write_eeprom incf EEADR,F movff hi, EEDATA ; He value call write_eeprom return reset_customfunction: tblrd*+ movff TABLAT, lo ; Low byte in lo, tblrd*+ movff TABLAT, hi ; High byte in hi ifndef NO_CF_TYPES tblrd*+ ; Skip advanced min/max values. tblrd*+ btfss hi,7 ; In EEPROM, just clear all types, clrf hi ; to keep external program compat (jdivelog etc.) bcf hi,7 endif ; Manage the default/value tuple rcall reset_eeprom_value ; First pair, untouched. bcf hi,7 ; Just clear type bit. bra reset_eeprom_value ; Second pair, cleared ; Write the two bytes lo:hi into EEPROM reset_eeprom_value: incf EEADR,F movff lo, EEDATA ; Lowbyte Default value movlw d'127' ; Work-around to prevent writing at EEPROM 0x00 to 0x04 cpfslt EEADR ; EEADR > 127? call write_eeprom ; Yes, write! incf EEADR,F movff hi, EEDATA ; Highbyte default value movlw d'127' ; Work-around to prevent writing at EEPROM 0x00 to 0x04 cpfslt EEADR ; EEADR > 127? call write_eeprom ; Yes, write! return reset_external_eeprom: ; deletes complete external eeprom! clrf eeprom_address+0 clrf eeprom_address+1 movlw d'4' movwf temp3 reset_eeprom02: clrf temp4 reset_eeprom01: movlw d'64' movwf temp2 bcf eeprom_blockwrite ; Blockwrite start reset_eeprom1: setf ext_ee_temp1 ; byte for Blockwrite.... movf ext_ee_temp1,W ; So, 1st. Byte of block is fine, too call write_external_eeprom_block decfsz temp2,F ; 64 Byte done bra reset_eeprom1 bsf SSPCON2,PEN ; Stop condition call WaitMSSP WAITMS d'7' decfsz temp4,F bra reset_eeprom01 ; do this 256 times decfsz temp3,F bra reset_eeprom02 ; and this all 4 times -> 1024 *64Bytes = 64KB bcf eeprom_blockwrite ; clear blockwrite flag clrf eeprom_address+0 clrf eeprom_address+1 movlw 0xFD ; With these three bytes the OSTC will find the free area in the EEPROM faster call write_external_eeprom movlw 0xFD call write_external_eeprom movlw 0xFE call write_external_eeprom clrf eeprom_address+0 clrf eeprom_address+1 return