// *********************************************************+
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// ** Common definitions for the OSTC decompression code  **+
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// *********************************************************+
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+
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//////////////////////////////////////////////////////////////////////////////+
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// OSTC - diving computer code+
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// Copyright (C) 2008 HeinrichsWeikamp GbR+
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//+
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//    This program is free software: you can redistribute it and/or modify+
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//    it under the terms of the GNU General Public License as published by+
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//    the Free Software Foundation, either version 3 of the License, or+
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//    (at your option) any later version.+
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//+
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//    This program is distributed in the hope that it will be useful,+
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//    but WITHOUT ANY WARRANTY; without even the implied warranty of+
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//    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the+
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//    GNU General Public License for more details.+
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//+
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//    You should have received a copy of the GNU General Public License+
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//    along with this program.  If not, see <http://www.gnu.org/licenses/>.+
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//+
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//////////////////////////////////////////////////////////////////////////////+
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// history:+
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// 12/25/10 v110: [jDG] split in three files (deco.c, main.c, definitions.h)+
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+
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#	define	DBG_c_gas	0b0000000000000001+
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#	define	DBG_c_ppO2	0b0000000000000010+
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#	define	DBG_RUN 	0b0000000000000100+
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#	define	DBG_RESTART 0b0000000000001000+
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+
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#	define	DBG_CdeSAT 	0b0000000000010000+
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#	define	DBG_C_MODE	0b0000000000100000+
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#	define	DBG_C_SURF	0b0000000001000000+
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#	define	DBG_HEwoHE 	0b0000000010000000+
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+
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#	define	DBG_C_DPPO2	0b0000000100000000+
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#	define	DBG_C_DGAS 	0b0000001000000000+
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#	define	DBG_C_DIST	0b0000010000000000+
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#	define	DBG_C_LAST	0b0000100000000000+
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+
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#	define	DBG_C_GF	0b0001000000000000+
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#	define	DBG_ZH16ERR	0b0010000000000000+
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#	define	DBG_PHIGH	0b0100000000000000+
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#	define	DBG_PLOW	0b1000000000000000+
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+
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+
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#	define	DBS_mode	0b0000000000000001+
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#	define	DBS_ppO2	0b0000000000000010+
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#	define	DBS_HE_sat	0b0000000000000100+
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#	define	DBS_ppO2chg 0b0000000000001000+
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+
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#	define	DBS_SAT2l	0b0000000000010000+
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#	define	DBS_SAT2h	0b0000000000100000+
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#	define	DBS_GFLOW2l	0b0000000001000000+
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#	define	DBS_GFLOW2h	0b0000000010000000+
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+
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#	define	DBS_GFHGH2l	0b0000000100000000+
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#	define	DBS_GFHGH2h	0b0000001000000000+
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#	define	DBS_GASO22l	0b0000010000000000+
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#	define	DBS_GASO22h	0b0000100000000000+
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+
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#	define	DBS_DIST2h 	0b0001000000000000+
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#	define	DBS_LAST2h 	0b0010000000000000+
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#	define	DBS_DECOO2l	0b0100000000000000+
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#	define	DBS_DECOO2h	0b1000000000000000+
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+
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+
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#	define	DBS2_PRES2h 0b0000000000000001+
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#	define	DBS2_PRES2l 0b0000000000000010+
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#	define	DBS2_SURF2l	0b0000000000000100+
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#	define	DBS2_SURF2h	0b0000000000001000+
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+
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#	define DBS2_DESAT2l 0b0000000000010000+
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#	define DBS2_DESAT2h 0b0000000000100000+
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#	define	DBS2_GFDneg 0b0000000001000000+
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#	define	DBS2_ 0b000000000000000+
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+
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#	define	DBS2_ 0b000000000000000+
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#	define	DBS2_ 0b000000000000000+
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#	define	DBS2_ 0b000000000000000+
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#	define	DBS2_ 0b000000000000000+
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+
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#	define	MBAR_REACH_GASCHANGE_AUTO_CHANGE_OFF	150+
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+
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// *************************+
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// ** P R O T O T Y P E S **+
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// *************************+
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void calc_hauptroutine(void);+
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void calc_tissue(void);+
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void calc_nullzeit(void);+
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void backup_sim_pres_tissue(void);+
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void restore_sim_pres_tissue(void);+
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+
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void calc_without_deco(void);+
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void clear_tissue(void);+
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void calc_ascenttime(void);+
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void update_startvalues(void);+
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void clear_decoarray(void);+
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void update_decoarray(void);+
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void sim_tissue_1min(void);+
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void sim_tissue_10min(void);+
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void calc_gradient_factor(void);+
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void calc_wo_deco_step_1_min(void);+
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void calc_tissue_step_1_min(void);+
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//void debug(void);+
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void calc_percentage(void);+
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void calc_hauptroutine_data_input(void);+
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void calc_hauptroutine_update_tissues(void);+
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void calc_hauptroutine_calc_deco(void);+
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void calc_hauptroutine_calc_ascend_to_deco(void);+
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//void build_debug_output(void);+
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void calc_nextdecodepth_GF(void);+
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void copy_deco_table_GF(void);+
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void clear_internal_deco_table_GF(void);+
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void update_internal_deco_table_GF(void);+
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+
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+
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void deco_calc_hauptroutine(void);+
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void deco_calc_without_deco(void);+
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void deco_clear_tissue(void);+
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void deco_calc_percentage(void);+
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void deco_calc_wo_deco_step_1_min(void);+
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void deco_debug(void);+
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void deco_gradient_array(void);+
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void deco_hash(void);+
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void deco_calc_desaturation_time(void);+
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void deco_calc_CNS_fraction(void);+
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void deco_clear_CNS_fraction(void);+
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void deco_push_tissues_to_vault(void);+
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void deco_pull_tissues_from_vault(void);+
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+
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// *************************************************+
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// ** V A R I A B L E S   D E C L A R A T I O N S **+
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// *************************************************+
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// prefixes etc:+
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// _O_ = output for use in the assembler code+
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// _I_ = input from the assembler code for the c code+
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// char_ and int_ = used to identify output and input size+
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// var = variable (from b"uhlmann)+
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// pres = pressure+
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// gtissue = guiding tissue, the one limiting the ascent+
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// e2secs = exp of the b"uhlmann formula precalculated for a 2 second step+
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// e1min = same for 1 minute step+
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// sim = used in simulating the ascent to the surface+
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// nullzeit = remaining ground/bottom time for "no deco"+
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// hauptroutine = main+
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+
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extern unsigned int  int_O_tissue_for_debug[32];+
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extern unsigned int	 int_O_GF_spare____;					+
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extern unsigned int	 int_O_GF_step;						+
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extern unsigned int  int_O_gtissue_limit;			+
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extern unsigned int  int_O_gtissue_press;			+
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extern unsigned int  int_O_limit_GF_low;				+
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extern unsigned int  int_O_gtissue_press_at_GF_low;	+
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extern unsigned char char_I_step_is_1min;		+
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extern unsigned char char_O_GF_low_pointer;		+
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extern unsigned char char_O_actual_pointer;		+
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extern unsigned char char_O_deco_table[32];		+
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extern unsigned char char_I_table_deco_done[32];+
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extern unsigned int  int_O_calc_tissue_call_counter;+
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+
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//---- Bank 5 parameters -----------------------------------------------------+
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extern unsigned int  int_I_pres_respiration;+
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extern unsigned int  int_I_pres_surface;	+
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extern unsigned int  int_I_temp;+
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extern unsigned char char_I_temp;+
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extern unsigned char char_I_actual_ppO2;	+
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extern unsigned char char_I_deco_N2_ratio2; +
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extern unsigned char char_I_deco_He_ratio2; +
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extern unsigned char char_I_deco_N2_ratio3; +
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extern unsigned char char_I_deco_He_ratio3; +
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extern unsigned char char_I_deco_N2_ratio4; +
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extern unsigned char char_I_deco_He_ratio4; +
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extern unsigned char char_I_deco_N2_ratio5; +
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extern unsigned char char_I_deco_He_ratio5; +
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extern unsigned char char_I_N2_ratio;		+
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extern unsigned char char_I_He_ratio;		+
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extern unsigned char char_I_saturation_multiplier;+
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extern unsigned char char_I_desaturation_multiplier;+
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extern unsigned char char_I_GF_High_percentage;+
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extern unsigned char char_I_GF_Low_percentage;+
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extern unsigned char char_I_spare;+
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extern unsigned char char_I_deco_distance;+
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extern unsigned char char_I_const_ppO2;+
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extern unsigned char char_I_deco_ppO2_change;+
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extern unsigned char char_I_deco_ppO2;+
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extern unsigned char char_I_deco_gas_change;+
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extern unsigned char char_I_deco_N2_ratio;+
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extern unsigned char char_I_deco_He_ratio;+
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extern unsigned char char_I_depth_last_deco;+
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extern unsigned char char_I_deco_model;+
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+
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extern unsigned int  int_O_desaturation_time;			+
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extern unsigned char char_O_nullzeit;					+
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extern unsigned char char_O_deco_status;				+
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extern unsigned char char_O_array_decotime[7];			+
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extern unsigned char char_O_array_decodepth[6];		+
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extern unsigned char char_O_ascenttime;				+
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extern unsigned char char_O_gradient_factor;			+
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extern unsigned char char_O_tissue_saturation[32];		+
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extern unsigned char char_O_array_gradient_weighted[16];+
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extern unsigned char char_O_gtissue_no;				+
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extern unsigned char char_O_diluent;				+
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extern unsigned char char_O_CNS_fraction;			+
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extern unsigned char char_O_relative_gradient_GF;	+
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extern unsigned char char_I_deco_gas_change2;       +
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extern unsigned char char_I_deco_gas_change3;       +
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extern unsigned char char_I_deco_gas_change4;       +
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extern unsigned char char_I_deco_gas_change5;       +
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+
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//---- Bank 9 parameters -----------------------------------------------------+
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extern unsigned int  int_O_DBS_bitfield;				+
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extern unsigned int  int_O_DBS2_bitfield;				+
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extern unsigned int  int_O_DBG_pre_bitfield;			+
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extern unsigned int  int_O_DBG_post_bitfield;			+
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extern unsigned char char_O_NDL_at_20mtr;				+
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