--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/code_part1/OSTC_code_c_part2/p2_definitions.h	Sun Dec 26 14:30:13 2010 +0100
@@ -0,0 +1,216 @@
+// *********************************************************
+// ** Common definitions for the OSTC decompression code  **
+// *********************************************************
+
+//////////////////////////////////////////////////////////////////////////////
+// OSTC - diving computer code
+// Copyright (C) 2008 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/>.
+//
+//////////////////////////////////////////////////////////////////////////////
+// history:
+// 12/25/10 v110: [jDG] split in three files (deco.c, main.c, definitions.h)
+
+#	define	DBG_c_gas	0b0000000000000001
+#	define	DBG_c_ppO2	0b0000000000000010
+#	define	DBG_RUN 	0b0000000000000100
+#	define	DBG_RESTART 0b0000000000001000
+
+#	define	DBG_CdeSAT 	0b0000000000010000
+#	define	DBG_C_MODE	0b0000000000100000
+#	define	DBG_C_SURF	0b0000000001000000
+#	define	DBG_HEwoHE 	0b0000000010000000
+
+#	define	DBG_C_DPPO2	0b0000000100000000
+#	define	DBG_C_DGAS 	0b0000001000000000
+#	define	DBG_C_DIST	0b0000010000000000
+#	define	DBG_C_LAST	0b0000100000000000
+
+#	define	DBG_C_GF	0b0001000000000000
+#	define	DBG_ZH16ERR	0b0010000000000000
+#	define	DBG_PHIGH	0b0100000000000000
+#	define	DBG_PLOW	0b1000000000000000
+
+
+#	define	DBS_mode	0b0000000000000001
+#	define	DBS_ppO2	0b0000000000000010
+#	define	DBS_HE_sat	0b0000000000000100
+#	define	DBS_ppO2chg 0b0000000000001000
+
+#	define	DBS_SAT2l	0b0000000000010000
+#	define	DBS_SAT2h	0b0000000000100000
+#	define	DBS_GFLOW2l	0b0000000001000000
+#	define	DBS_GFLOW2h	0b0000000010000000
+
+#	define	DBS_GFHGH2l	0b0000000100000000
+#	define	DBS_GFHGH2h	0b0000001000000000
+#	define	DBS_GASO22l	0b0000010000000000
+#	define	DBS_GASO22h	0b0000100000000000
+
+#	define	DBS_DIST2h 	0b0001000000000000
+#	define	DBS_LAST2h 	0b0010000000000000
+#	define	DBS_DECOO2l	0b0100000000000000
+#	define	DBS_DECOO2h	0b1000000000000000
+
+
+#	define	DBS2_PRES2h 0b0000000000000001
+#	define	DBS2_PRES2l 0b0000000000000010
+#	define	DBS2_SURF2l	0b0000000000000100
+#	define	DBS2_SURF2h	0b0000000000001000
+
+#	define DBS2_DESAT2l 0b0000000000010000
+#	define DBS2_DESAT2h 0b0000000000100000
+#	define	DBS2_GFDneg 0b0000000001000000
+#	define	DBS2_ 0b000000000000000
+
+#	define	DBS2_ 0b000000000000000
+#	define	DBS2_ 0b000000000000000
+#	define	DBS2_ 0b000000000000000
+#	define	DBS2_ 0b000000000000000
+
+#	define	MBAR_REACH_GASCHANGE_AUTO_CHANGE_OFF	150
+
+// *************************
+// ** P R O T O T Y P E S **
+// *************************
+void calc_hauptroutine(void);
+void calc_tissue(void);
+void calc_nullzeit(void);
+void backup_sim_pres_tissue(void);
+void restore_sim_pres_tissue(void);
+
+void calc_without_deco(void);
+void clear_tissue(void);
+void calc_ascenttime(void);
+void update_startvalues(void);
+void clear_decoarray(void);
+void update_decoarray(void);
+void sim_tissue_1min(void);
+void sim_tissue_10min(void);
+void calc_gradient_factor(void);
+void calc_wo_deco_step_1_min(void);
+void calc_tissue_step_1_min(void);
+//void debug(void);
+void calc_percentage(void);
+void calc_hauptroutine_data_input(void);
+void calc_hauptroutine_update_tissues(void);
+void calc_hauptroutine_calc_deco(void);
+void calc_hauptroutine_calc_ascend_to_deco(void);
+//void build_debug_output(void);
+void calc_nextdecodepth_GF(void);
+void copy_deco_table_GF(void);
+void clear_internal_deco_table_GF(void);
+void update_internal_deco_table_GF(void);
+
+
+void deco_calc_hauptroutine(void);
+void deco_calc_without_deco(void);
+void deco_clear_tissue(void);
+void deco_calc_percentage(void);
+void deco_calc_wo_deco_step_1_min(void);
+void deco_debug(void);
+void deco_gradient_array(void);
+void deco_hash(void);
+void deco_calc_desaturation_time(void);
+void deco_calc_CNS_fraction(void);
+void deco_clear_CNS_fraction(void);
+void deco_push_tissues_to_vault(void);
+void deco_pull_tissues_from_vault(void);
+
+// *************************************************
+// ** V A R I A B L E S   D E C L A R A T I O N S **
+// *************************************************
+// prefixes etc:
+// _O_ = output for use in the assembler code
+// _I_ = input from the assembler code for the c code
+// char_ and int_ = used to identify output and input size
+// var = variable (from b"uhlmann)
+// pres = pressure
+// gtissue = guiding tissue, the one limiting the ascent
+// e2secs = exp of the b"uhlmann formula precalculated for a 2 second step
+// e1min = same for 1 minute step
+// sim = used in simulating the ascent to the surface
+// nullzeit = remaining ground/bottom time for "no deco"
+// hauptroutine = main
+
+extern unsigned int  int_O_tissue_for_debug[32];
+extern unsigned int	 int_O_GF_spare____;					
+extern unsigned int	 int_O_GF_step;						
+extern unsigned int  int_O_gtissue_limit;			
+extern unsigned int  int_O_gtissue_press;			
+extern unsigned int  int_O_limit_GF_low;				
+extern unsigned int  int_O_gtissue_press_at_GF_low;	
+extern unsigned char char_I_step_is_1min;		
+extern unsigned char char_O_GF_low_pointer;		
+extern unsigned char char_O_actual_pointer;		
+extern unsigned char char_O_deco_table[32];		
+extern unsigned char char_I_table_deco_done[32];
+extern unsigned int  int_O_calc_tissue_call_counter;
+
+//---- Bank 5 parameters -----------------------------------------------------
+extern unsigned int  int_I_pres_respiration;
+extern unsigned int  int_I_pres_surface;	
+extern unsigned int  int_I_temp;
+extern unsigned char char_I_temp;
+extern unsigned char char_I_actual_ppO2;	
+extern unsigned char char_I_deco_N2_ratio2; 
+extern unsigned char char_I_deco_He_ratio2; 
+extern unsigned char char_I_deco_N2_ratio3; 
+extern unsigned char char_I_deco_He_ratio3; 
+extern unsigned char char_I_deco_N2_ratio4; 
+extern unsigned char char_I_deco_He_ratio4; 
+extern unsigned char char_I_deco_N2_ratio5; 
+extern unsigned char char_I_deco_He_ratio5; 
+extern unsigned char char_I_N2_ratio;		
+extern unsigned char char_I_He_ratio;		
+extern unsigned char char_I_saturation_multiplier;
+extern unsigned char char_I_desaturation_multiplier;
+extern unsigned char char_I_GF_High_percentage;
+extern unsigned char char_I_GF_Low_percentage;
+extern unsigned char char_I_spare;
+extern unsigned char char_I_deco_distance;
+extern unsigned char char_I_const_ppO2;
+extern unsigned char char_I_deco_ppO2_change;
+extern unsigned char char_I_deco_ppO2;
+extern unsigned char char_I_deco_gas_change;
+extern unsigned char char_I_deco_N2_ratio;
+extern unsigned char char_I_deco_He_ratio;
+extern unsigned char char_I_depth_last_deco;
+extern unsigned char char_I_deco_model;
+
+extern unsigned int  int_O_desaturation_time;			
+extern unsigned char char_O_nullzeit;					
+extern unsigned char char_O_deco_status;				
+extern unsigned char char_O_array_decotime[7];			
+extern unsigned char char_O_array_decodepth[6];		
+extern unsigned char char_O_ascenttime;				
+extern unsigned char char_O_gradient_factor;			
+extern unsigned char char_O_tissue_saturation[32];		
+extern unsigned char char_O_array_gradient_weighted[16];
+extern unsigned char char_O_gtissue_no;				
+extern unsigned char char_O_diluent;				
+extern unsigned char char_O_CNS_fraction;			
+extern unsigned char char_O_relative_gradient_GF;	
+extern unsigned char char_I_deco_gas_change2;       
+extern unsigned char char_I_deco_gas_change3;       
+extern unsigned char char_I_deco_gas_change4;       
+extern unsigned char char_I_deco_gas_change5;       
+
+//---- Bank 9 parameters -----------------------------------------------------
+extern unsigned int  int_O_DBS_bitfield;				
+extern unsigned int  int_O_DBS2_bitfield;				
+extern unsigned int  int_O_DBG_pre_bitfield;			
+extern unsigned int  int_O_DBG_post_bitfield;			
+extern unsigned char char_O_NDL_at_20mtr;