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Copy pathAmosKittens.cpp
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AmosKittens.cpp
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#include "stdafx.h"
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <vector>
#include <math.h>
#include <signal.h>
#include <string>
#include "config.h"
#ifdef __amigaos4__
#include <proto/exec.h>
#include <proto/dos.h>
#include <libraries/retroMode.h>
#include <proto/retroMode.h>
#include <workbench/startup.h>
#include <amosKittens.h>
#include <amoskittens_rev.h>
extern char *asl( const char *pattern );
#endif
#ifdef __linux__
#include <sys/time.h>
#include <unistd.h>
#include <stdint.h>
#include <signal.h>
#include "os/linux/stuff.h"
#include <retromode.h>
#include <retromode_lib.h>
#include <byteswap.h>
#endif
#ifdef __LITTLE_ENDIAN__
#warning "This is a little endien CPU, Amos was made for big endien CPU's"
#include "os/littleendian/littleendian.h"
#endif
extern void setError( int _code, char * _pos ) ;
#include "stack.h"
#include "commands.h"
#include "commandsData.h"
#include "commandsErrors.h"
#include "commandsScreens.h"
#include "commandsBanks.h"
#include "commandsBackgroundGraphics.h"
#include "commandsBlitterObject.h"
#include "commandsObjectControl.h"
#include "amal_object_sprite.h"
#include "debug.h"
#include "kittyErrors.h"
#include "pass1.h"
#include "init.h"
#include "cleanup.h"
#include "engine.h"
#include "AmalCompiler.h"
#include "channel.h"
#include "spawn.h"
#include "label.h"
#include "amosstring.h"
#include "kittyaudio.h"
#include "load_config.h"
#include "var_helper.h"
#include "bank_helper.h"
#include "req.h"
STATIC CONST UBYTE USED verstag[] = VERSTAG;
bool running = true;
bool interpreter_running = false;
int sig_main_vbl = 0;
int proc_stack_frame = 0;
extern bool init_symbol_order();
extern bool correct_order( int last_token, int next_token );
bool ext_crc();
#ifdef enable_vars_crc_yes
unsigned int _vars_crc = 0;
unsigned int str_crc( char *name );
unsigned int vars_crc();
#endif
#ifdef enable_bank_crc_yes
uint32_t bank_crc = 0;
#endif
struct stringData *var_param_str = NULL;
int var_param_num;
double var_param_decimal;
int joy_keyboard_index = -1;
char *_file_start_ = NULL;
char *_file_pos_ = NULL; // the problem of not knowing when stacked commands are executed.
char *_file_end_ = NULL;
uint32_t _file_bank_size = 0;
char *progname = NULL;
int procStackCount = 0;
uint32_t tokenFileLength;
struct fileContext *kittensFile;
bool startup = false;
unsigned int amiga_joystick_dir[4];
unsigned int amiga_joystick_button[4];
struct extension_lib kitty_extensions[32];
unsigned int regs[16];
extern unsigned int var_count[2];
unsigned short token_not_found = 0x0000;
struct globalVar proc_main_data;
struct stackFrame procStcakFrame[PROC_STACK_SIZE];
struct stackFrame *currentFrame = NULL;
char *_get_var_index( glueCommands *self, int nextToken);
char *(*do_var_index) ( glueCommands *self, int nextToken ) = _get_var_index;
char *(**do_to) ( struct nativeCommand *, char * ) ;
void (**do_input) ( struct nativeCommand *, char * ) ;
// void (**do_parenthesisEnd) ( struct nativeCommand *, char * ) ;
void (*do_breakdata) ( struct nativeCommand *, char * ) = NULL;
extern char *_errTrap( struct glueCommands *data, int nextToken );
int tokenMode = mode_standard;
struct KittyInstance instance;
struct globalVar globalVars[VAR_BUFFERS]; // 0 is not used.
struct kittyData stackFrameData[VAR_BUFFERS]; // 0 is not used.
struct kittyFile kittyFiles[10];
extern void freeScreenBobs (int);
extern void *newTextWindow ( struct retroScreen *, int );
extern void freeAllTextWindows ( struct retroScreen * );
extern void kittyText(struct retroScreen *screen, int x, int y,struct stringData *txt);
extern struct kittyBank *reserveAs ( int, int ,int, const char *, char * );
void setCmdTo( int option )
{
switch (option)
{
case e_cmdTo_default:
do_to[instance.parenthesis_count] = do_to_default;
break;
}
}
extern void __wait_vbl();
// must be a function here..
#undef XSprite_formula
#undef YSprite_formula
#undef from_XSprite_formula
#undef from_YSprite_formula
int XSprite_formula(int x)
{ return to_Engine_X(x); };
int YSprite_formula(int y)
{ return to_Engine_Y(y); };
int from_XSprite_formula(int x)
{ return to_Engine_X(x); };
int from_YSprite_formula(int y)
{ return to_Engine_Y(y); };
void init_instent(struct KittyInstance *instance )
{
instance -> video = NULL;
instance -> icons = NULL;
instance -> sprites = NULL;
instance -> globalVars = globalVars;
instance -> cmdTmp = cmdTmp;
instance -> tokenBufferResume = NULL;
instance -> token_is_fresh = true;
instance -> parenthesis_count = 0;
instance -> kittyStack = kittyStack;
instance -> kittyError.code = 0;
instance -> kittyError.trapCode = 0;
instance -> kittyError.newError = false;
instance -> kittyError.pos = NULL;
instance -> kittyError.posResume = NULL;
instance -> engine_mouse_key = 0;
instance -> engine_mouse_x = 0;
instance -> engine_mouse_y = 0;
instance -> engine_wait_key = false;
instance -> engine_key_repeat = false;
instance -> engine_key_down = false;
instance -> engine_stopped = false;
instance -> engine_mouse_hidden = false;
instance -> engine_pal_mode= true;
instance -> engine_back_color = 0;
instance -> xgr = 0;
instance -> ygr = 0;
instance -> GrWritingMode = 0;
instance -> paintMode = 0;
instance -> current_pattern = 0;
instance -> volume=0x10000;
instance -> current_resource_bank = -2;
instance -> zones = NULL;
instance -> zones_allocated = 0;
instance -> api.freeScreenBobs =freeScreenBobs;
instance -> api.newTextWindow =newTextWindow;
instance -> api.freeAllTextWindows =freeAllTextWindows;
instance -> api.engineLock =engine_lock;
instance -> api.engineUnlock =engine_unlock;
instance -> api.engineAddVblInterrupt =engine_add_vbl_Interrupt;
instance -> api.engineRemoveVblInterrupt =engine_remove_vbl_Interrupt;
instance -> api.firstBank =firstBank;
instance -> api.findBankById =findBankById;
instance -> api.findBankByIndex =findBankByIndex;
instance -> api.getBankListSize =getBankListSize;
instance -> api.getBankObject = getBankObject;
instance -> api.freeBank =freeBank;
instance -> api.reserveAs =reserveAs;
instance -> api.setError =setError;
instance -> api.dumpStack = dump_stack;
instance -> api.setCmdTo = setCmdTo;
instance -> api.kittyText = kittyText;
instance -> api.audioLock = audioLock;
instance -> api.audioUnlock = audioUnlock;
instance -> api.audioDeviceFlush = audioDeviceFlush;
instance -> api.audioPlay = audioPlay;
instance -> api.audioPlayWave = audioPlayWave;
instance -> api.audioSetSampleLoop = audioSetSampleLoop;
instance -> api.waitvbl = __wait_vbl;
instance -> api.findBlock_in_blocks = findBlock_in_blocks;
instance -> api.findBlock_in_cblocks = findBlock_in_cblocks;
instance -> api.getBob = getBob;
instance -> api.find_zone_in_any_screen_hard = find_zone_in_any_screen_hard;
instance -> api.find_zone_in_any_screen_pixel = find_zone_in_any_screen_pixel;
instance -> api.find_zone_in_only_screen_hard = find_zone_in_only_screen_hard;
instance -> api.find_zone_in_only_screen_pixel = find_zone_in_only_screen_pixel;
instance -> api.XSprite_formula = XSprite_formula;
instance -> api.YSprite_formula = YSprite_formula;
instance -> api.from_XSprite_formula = from_XSprite_formula;
instance -> api.from_YSprite_formula = from_YSprite_formula;
bzero( instance -> extensions_context, sizeof(instance -> extensions_context) );
}
void cleanup_instent()
{
if (instance.zones) freeStruct(instance.zones);
instance.zones = NULL;
}
struct retroSprite *patterns = NULL;
int globalVarsSize = sizeof(globalVars)/sizeof(struct globalVar);
extern int nativeCommandsSize;
ChannelTableClass *channels = NULL;
std::vector<struct label> labels; // 0 is not used.
std::vector<struct lineAddr> linesAddress;
std::vector<struct defFn> defFns;
std::vector<struct kittyBank> kittyBankList;
std::vector<struct kittyDevice> deviceList;
std::vector<struct kittyLib> libsList;
std::vector<struct fileContext *> files;
std::vector<struct retroSpriteObject *> bobs;
std::vector<struct globalVar *> procedures;
int labels_count = 0;
struct glueCommands cmdTmp[100];
struct glueCommands input_cmd_context;
extern char *nextToken_pass1( char *ptr, unsigned short token );
extern struct nativeCommand nativeCommands[];
bool breakpoint = false;
const char *str_dump_stack = "dump stack";
const char *str_dump_prog_stack = "dump prog stack";
const char *str_dump_vars = "dump vars";
const char *str_dump_banks = "dump banks";
const char *str_dump_screen_info = "dump screen info";
const char *str_breakpoint_on = "breakpoint on";
const char *str_breakpoint_off = "breakpoint off";
const char *str_warning = "warning";
const char *str_pause = "pause";
const char *str_hint = "hint ";
const char *str_show_var = "show var ";
const char *str_time_start = "time start";
const char *str_time_end = "time end";
int findVar( char *name, bool is_first_token, int type, int _proc );
struct kittyVideoInfo KittyBaseVideoInfo;
struct kittyInfo KittyBaseInfo;
void free_file(struct fileContext *file);
struct fileContext *newFile( char *name );
bool alloc_video()
{
#ifdef __amigaos4__
instance.video = retroAllocVideo( 640,480 );
#endif
#ifdef __linux__
video = retroAllocVideo();
#endif
if (instance.video)
{
uint16_t *rgb;
KittyBaseVideoInfo.videoWidth = instance.video -> width;
KittyBaseVideoInfo.videoHeight = instance.video -> height;
KittyBaseVideoInfo.display_x = 128;
KittyBaseVideoInfo.display_y = 50;
rgb = KittyBaseVideoInfo.rgb;
rgb[0] = 0x000;
rgb[1] = 0x06F;
rgb[2] = 0x077;
rgb[3] = 0xEEE;
rgb[4] = 0xF00;
rgb[5] = 0x0DD;
rgb[6] = 0x0AA;
rgb[7] = 0xFF3;
}
KittyBaseInfo.video = &KittyBaseVideoInfo;
retroAllocSpriteObjects(instance.video,64);
return true;
}
void free_video()
{
if (instance.video)
{
uint32_t n;
for (n=0; n<8;n++)
{
if (instance.screens[n]) retroCloseScreen(&instance.screens[n]);
}
retroFreeVideo(instance.video);
}
}
struct timeval debug_time_start,debug_time_end;
bool show_var ( char *ptr, char *var_name, int proc )
{
int ref = findVar( var_name, false, type_int, proc );
if (ref)
{
getLineFromPointer( ptr );
printf("line %d, int var: [%s]=%d\n",lineFromPtr.line, var_name, globalVars[ref-1].var.integer.value);
return true;
}
else
{
ref = findVar( var_name, false, type_string, proc );
if (ref)
{
getLineFromPointer( ptr );
printf("line %d, string var: [%s]=%s\n",lineFromPtr.line, var_name, globalVars[ref-1].var.str);
return true;
}
}
return false;
}
char *cmdRem(nativeCommand *cmd, char *ptr)
{
int length = *((short *) ptr);
int length_in_bytes = length + (length&1); // round up to 2.
if (length>4)
{
char *txt = strndup( ptr + 3, length );
if (txt)
{
if (strncmp(txt,str_dump_vars,strlen(str_dump_vars))==0)
{
dump_global();
}
else if (strncmp(txt,str_dump_screen_info,strlen(str_dump_screen_info))==0)
{
dump_screens();
}
else if (strncmp(txt,str_dump_banks,strlen(str_dump_banks))==0)
{
dump_banks();
}
else if (strncmp(txt,str_hint,strlen(str_hint))==0)
{
getLineFromPointer( ptr );
printf("stack %d at line %d, hint: %s\n",__stack, lineFromPtr.line, txt+strlen(str_hint));
}
else if (strncmp(txt,str_dump_stack,strlen(str_dump_stack))==0)
{
getLineFromPointer( ptr );
printf("stack %d at line %d\n",__stack, lineFromPtr.line);
}
else if (strncmp(txt,str_dump_prog_stack,strlen(str_dump_stack))==0)
{
dump_prog_stack();
printf("<press enter to continue>\n");
getchar();
}
else if (strncmp(txt,str_pause,strlen(str_pause))==0)
{
getLineFromPointer( ptr );
printf("line %d -- <press enter to continue>\n", lineFromPtr.line);
getchar();
}
else if (strncmp(txt,str_show_var,strlen(str_show_var))==0)
{
char *var_name = txt +strlen(str_show_var);
char *c;
for (c=var_name;*c;c++) if (*c==' ') *c = 0;
if (show_var( ptr, var_name, currentFrame -> id ) == false )
{
if (show_var( ptr, var_name, 0) == false )
{
getLineFromPointer( ptr );
printf("line %d, var: [%s] not found\n", lineFromPtr.line, var_name);
}
}
getchar();
}
else if (strncmp(txt,str_breakpoint_on,strlen(str_breakpoint_on))==0)
{
breakpoint = true;
}
else if (strncmp(txt,str_breakpoint_off,strlen(str_breakpoint_off))==0)
{
breakpoint = false;
}
else if (strncmp(txt,str_warning,strlen(str_warning))==0)
{
printf("**********************************\n");
printf(" %s\n",txt+strlen(str_warning));
printf("**********************************\n");
}
else if (strncmp(txt,str_time_start,strlen(str_time_start))==0)
{
printf("time recorded\n");
gettimeofday(&debug_time_start, NULL);
}
else if (strncmp(txt,str_time_end,strlen(str_time_end))==0)
{
gettimeofday(&debug_time_end, NULL);
printf("total time %f seconds\n", (double) (debug_time_end.tv_usec - debug_time_start.tv_usec) / 1000000 +
(double) (debug_time_end.tv_sec - debug_time_start.tv_sec) );
}
free(txt);
}
}
setStackNum(0);
return ptr + length_in_bytes;
}
char *nextCmd(nativeCommand *cmd, char *ptr)
{
char *ret = NULL;
unsigned int flags;
instance.tokenBufferResume = ptr;
// we should empty stack, until first/normal command is not a parm command.
while (instance.cmdStack)
{
flags = cmdTmp[instance.cmdStack-1].flag;
if ( ! (flags & cmd_onNextCmd) ) break; // needs to be include tags, (if commands be excuted on endOfLine or Next command)
ret = cmdTmp[--instance.cmdStack].cmd(&cmdTmp[instance.cmdStack], 0);
if (cmdTmp[instance.cmdStack].flag & cmd_normal)
{
if (!instance.cmdStack) break;
if (cmdTmp[instance.cmdStack-1].cmd != _errTrap ) break;
}
if (ret) break;
}
do_to[instance.parenthesis_count] = do_to_default;
tokenMode = mode_standard;
instance.token_is_fresh = true;
if (ret) return ret -2; // when exit +2 token
return ptr;
}
char *cmdNewLine(nativeCommand *cmd, char *ptr)
{
proc_names_printf("%s:%d\n",__FUNCTION__,__LINE__ );
instance.tokenBufferResume = ptr;
if (instance.cmdStack)
{
char *ret = NULL;
unsigned int flag;
do
{
flag = cmdTmp[instance.cmdStack-1].flag;
if ( flag & ( cmd_proc | cmd_loop | cmd_never ) ) break;
ret = cmdTmp[--instance.cmdStack].cmd(&cmdTmp[instance.cmdStack],0);
if (ret) return ret -4; // when exit +2 token +2 data
} while (instance.cmdStack);
}
do_to[instance.parenthesis_count] = do_to_default;
tokenMode = mode_standard;
instance.token_is_fresh = true;
if (breakpoint)
{
getLineFromPointer( ptr );
printf("breakpoint at line %d - <press enter for next line>\n", lineFromPtr.line );
getchar();
}
return ptr;
}
int _last_var_index; // we need to know what index was to keep it.
int _set_var_index; // we need to resore index
char *_get_var_index( glueCommands *self , int nextToken )
{
uint32_t varNum;
int n = 0;
int mul;
struct kittyData *var = NULL;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__ );
varNum = self -> lastVar;
if (varNum == 0)
{
setError(11, self -> tokenBuffer);
return NULL;
}
last_var = varNum; // this is used when a array is set. array[var]=0, it restores last_var to array, not var
var = getVar(varNum);
if (var)
{
if ( (var -> type & type_array) == 0)
{
popStack(__stack - self -> stack);
setError(27, self -> tokenBuffer); // var is not a array
return 0;
}
if (var -> sizeTab == NULL)
{
printf("varname: %s\n",globalVars[varNum-1].varName);
printf("var num: %d\n", varNum-1);
setError(25, self -> tokenBuffer );
return NULL;
}
_last_var_index = 0;
mul = 1;
for (n = self -> stack;n<=__stack; n++ )
{
_last_var_index += (mul * kittyStack[n].integer.value);
mul *= var -> sizeTab[n- self -> stack];
}
var -> index = _last_var_index;
popStack(__stack - self -> stack);
if ((_last_var_index >= 0) && (_last_var_index<var->count))
{
switch (var -> type & 7) // array type is 8, so mask is 7 (while its unlikley you have array of file of proc, none we do not wont confuse this)
{
case type_int:
setStackNum( (&(var -> int_array -> ptr) + _last_var_index) -> value );
break;
case type_float:
setStackDecimal( (&(var -> float_array -> ptr) + _last_var_index) -> value );
break;
case type_string:
struct stringData *str = *(&(var -> str_array -> ptr) + _last_var_index);
if (str == NULL)
{
setStackStr( alloc_amos_string(0) );
}
else
{
setStackStrDup( str );
}
break;
}
flushCmdParaStack(nextToken);
}
else
{
printf("varname %s(%d of max %d)\n",globalVars[varNum-1].varName, _last_var_index, var->count);
setError( 23, self -> tokenBuffer );
}
}
return NULL;
}
char *_alloc_mode_off( glueCommands *self, int nextToken )
{
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
do_input[instance.parenthesis_count] = do_std_next_arg;
do_var_index = _get_var_index;
return NULL;
}
char *do_var_index_alloc( glueCommands *cmd, int nextToken)
{
int size = 0;
int n;
struct kittyData *var;
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
var = getVar(cmd -> lastVar);
if (var == NULL) return NULL;
var -> cells =__stack - cmd -> stack +1;
if (var -> sizeTab) freeStruct( var -> sizeTab);
var -> sizeTab = allocType(int,var -> cells);
if (var -> sizeTab)
{
var -> count = 1;
for (n= 0; n<var -> cells; n++ )
{
var -> sizeTab[n] = kittyStack[cmd -> stack + n].integer.value + 1;
var -> count *= var -> sizeTab[n];
}
switch (var -> type)
{
case type_int | type_array:
size = var -> count * sizeof(valueData);
var -> int_array = allocArrayData(value,size) ;
var -> int_array -> type = type_int | type_array;
var -> int_array -> size = var -> count;
memset( &var -> int_array -> ptr, 0, size );
break;
case type_float | type_array:
size = var -> count * sizeof(desimalData);
var -> float_array = allocArrayData(desimal,size) ;
var -> float_array -> type = type_float | type_array;
var -> float_array -> size = var -> count;
memset( &var -> float_array -> ptr, 0, size );
break;
case type_string | type_array:
size = var -> count * sizeof(struct stringData *);
var -> str_array = allocArrayData(string,size) ;
var -> str_array -> type = type_string | type_array;
var -> str_array -> size = var -> count;
memset( &var -> str_array -> ptr, 0, size );
break;
default: setError(22, cmd -> tokenBuffer);
}
}
popStack(__stack - cmd -> stack);
return NULL;
}
void do_std_next_arg(nativeCommand *cmd, char *ptr)
{
__stack++;
setStackNone();
}
void do_dim_next_arg(nativeCommand *cmd, char *ptr)
{
if (instance.parenthesis_count == 0)
{
if (instance.cmdStack) if (__stack) if (cmdTmp[instance.cmdStack-1].flag == cmd_index ) cmdTmp[--instance.cmdStack].cmd(&cmdTmp[instance.cmdStack],0);
}
}
char *cmdDim(nativeCommand *cmd, char *ptr)
{
do_input[instance.parenthesis_count] = do_dim_next_arg;
do_var_index = do_var_index_alloc;
stackCmdNormal( _alloc_mode_off, ptr );
return ptr;
}
// nothing to do here, just jump over label name.
char *cmdLabelOnLine(nativeCommand *cmd, char *ptr)
{
struct reference *ref = (struct reference *) ptr;
return ptr + ref -> length ;
}
char *cmdVar(nativeCommand *cmd, char *ptr)
{
struct reference *ref = (struct reference *) ptr;
unsigned short next_token = *((short *) (ptr+sizeof(struct reference)+ref->length));
proc_names_printf("%s:%s:%d\n",__FILE__,__FUNCTION__,__LINE__);
instance.token_is_fresh = false;
last_var = ref -> ref;
if (next_token == 0x0074) // ( symbol
{
if (do_var_index) stackCmdIndex( do_var_index, ptr );
}
else
{
struct kittyData *var;
// printf(" correct_order( %04x, %04x )\n", getLastProgStackToken(), next_token );
if ( correct_order( getLastProgStackToken(), next_token ) == false )
{
dprintf(" hidden ( condition.\n");
setStackHiddenCondition();
}
if (var = getVar( ref -> ref ))
{
switch (var -> type & 7)
{
case type_int:
setStackNum(var -> integer.value);
break;
case type_float:
setStackDecimal(var -> decimal.value);
break;
case type_string:
setStackStrDup(var -> str); // always copy.
break;
case type_proc:
stackCmdProc( _procedure, ptr+sizeof(struct reference)+ref->length ) ;
stack_frame_up(ref->ref);
// size of ref is added on exit, then +2 next token
return var -> tokenBufferPos - sizeof(struct reference) -2;
}
}
flushCmdParaStack(next_token);
}
return ptr + ref -> length ;
}
char *cmdQuote(nativeCommand *cmd, char *ptr)
{
unsigned short length = *((unsigned short *) ptr);
unsigned short length2 = length;
unsigned short next_token;
// check if - or + comes before *, / or ; symbols
length2 += (length & 1); // align to 2 bytes
next_token = *((short *) (ptr+2+length2) );
if ( correct_order( getLastProgStackToken(), next_token ) == false )
{
// hidden ( condition.
setStackHiddenCondition();
}
setStackStr( toAmosString( ptr + 2, length ) );
flushCmdParaStack( (int) next_token );
return ptr + length2;
}
char *cmdNumber(nativeCommand *cmd, char *ptr)
{
unsigned short next_token = *((short *) (ptr+4) );
proc_names_printf("%s:%s:%d \n",__FILE__,__FUNCTION__,__LINE__);
// check if - or + comes before *, / or ; symbols
if ( correct_order( getLastProgStackToken(), next_token ) == false )
{
dprintf("---hidden ( symbol \n");
setStackHiddenCondition();
}
#if defined(show_proc_names_yes) || defined(show_token_numbers_yes)
printf("number %d\n", *((int *) ptr) );
#endif
setStackNum( *((int *) ptr) );
flushCmdParaStack( next_token );
return ptr;
}
#define fast_float_yes
#define fast_exp_yes
#ifdef fast_float_yes
double _float[256];
double _exp[0x80];
void make_float_lookup()
{
unsigned int number1;
int n = 0;
int e;
int ee;
double f;
proc_names_printf("%s:%s:%d \n",__FILE__,__FUNCTION__,__LINE__);
for (number1=0;number1<256;number1++)
{
f = 0.0f;
for (n=7;n>-1;n--)
{
if ((1<<n)&number1) f += 1.0f / (double) (1<<(7-n));
}
_float[number1]=f;
}
for (n=0;n<=0x7F;n++)
{
f = 1.0f;
e = n & 0x3F;
if ( ( n & 0x40) == 0) e = -(65 - e);
ee = e;
if (e==0) { f/=2.0; }
else if (e<0) { while (e) { f /= 2.0f; e++; } }
else if (e>0) { while (--e) { f *= 2.0; } }
_exp[n]=f;
}
}
#endif
char *cmdFloat(nativeCommand *cmd,char *ptr)
{
double f = 0.0f;
unsigned short next_token = *((short *) (ptr+4 ));
proc_names_printf("%s:%d \n",__FUNCTION__,__LINE__);
// check if - or + comes before *, / or ; symbols
if ( correct_order( getLastProgStackToken(), next_token ) == false )
{
dprintf("---hidden ( symbol \n");
setStackHiddenCondition();
}
{
unsigned int data = *((unsigned int *) ptr);
unsigned int number1 = data >> 8;
#ifdef fast_exp_no
int e = (data & 0x3F) ;
if ( (data & 0x40) == 0) e = -(65 - e);
#endif
#ifdef fast_float_yes
f = _float[ (number1 & 0xFF0000) >> 16 ] ;
f += (_float[ (number1 & 0xFF00) >> 8 ] ) / (double) (1<<8);
f += _float[ (number1 & 0xFF) ] / (double) (1<<16);
#else
for (int n=23;n>-1;n--)
{
if ((1<<n) & number1) f += 1.0f / (double) (1<<(23-n));
}
#endif
#if defined(fast_float_yes) && defined(fast_exp_yes)
f *= _exp[ data & 0x7F ];
#else
if (e==0) { f/=2.0; }
else if (e<0) { while (e) { f /= 2.0f; e++; } }
else if (e>0) { while (--e) { f *= 2.0; } }
#endif
}
setStackDecimal( f );
flushCmdParaStack( next_token );
return ptr;
}
const char *noName = "<not found>";
const char *TokenName( unsigned short token )
{
struct nativeCommand *cmd;
for (cmd = nativeCommands ; cmd < nativeCommands + nativeCommandsSize ; cmd++ )
{
if (token == cmd->id )
{
return cmd-> name;
}
}
return noName;
}
/*
char *skipToken( char *ptr, unsigned short token )
{
struct nativeCommand *cmd;