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webdsp_decompiled.c
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webdsp_decompiled.c
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// Decompiled Web Assembly generated by wasmdec. Preamble:
#include <stdint.h> // For the bit size specific types
#include <math.h> // For certian WASM operations
typedef const char* wasm_table_t; // WASM tables
// Bit size specific types not declared in stdint.h:
typedef float float32_t;
typedef double float64_t;
// C implementation of WASM expressions:
unsigned int _rotl(const unsigned int value, int shift) {
if ((shift &= sizeof(value) * 8 - 1) == 0)
return value;
return (value << shift) | (value >> (sizeof(value)*8 - shift));
}
unsigned int _rotr(const unsigned int value, int shift) {
if ((shift &= sizeof(value) * 8 - 1) == 0)
return value;
return (value >> shift) | (value << (sizeof(value)*8 - shift));
}
#define MAX(a,b) ((a) > (b) ? a : b)
#define MIN(a,b) ((a) < (b) ? a : b)
// Host functions: used to request information from host machine.
extern int32_t host_has_feature(int32_t feature_opcode);
extern void host_grow_memory(int32_t size);
extern int32_t host_get_current_memory(void);
extern int32_t host_get_page_size(void);
// End of preamble
// WASM imports:
/*
Import 'gimport$0':
Module: 'env'
Base: 'DYNAMICTOP_PTR'
*/
extern int gimport$0;
/*
Import 'gimport$1':
Module: 'env'
Base: 'STACKTOP'
*/
extern int gimport$1;
/*
Import 'gimport$2':
Module: 'env'
Base: 'STACK_MAX'
*/
extern int gimport$2;
/*
Import 'mimport$17':
Module: 'env'
Base: 'memory'
*/
extern const char* mimport$17; // <Imported memory>
/*
Import 'timport$18':
Module: 'env'
Base: 'table'
*/
extern wasm_table_t timport$18; // <Imported table>
/*
Import 'gimport$19':
Module: 'env'
Base: 'memoryBase'
*/
extern int gimport$19;
/*
Import 'gimport$20':
Module: 'env'
Base: 'tableBase'
*/
extern int gimport$20;
/*
Import 'fimport$3':
Module: 'env'
Base: 'abort'
*/
extern void fimport$3(int local_0)
/*
Import 'fimport$4':
Module: 'env'
Base: 'enlargeMemory'
*/
extern int fimport$4()
/*
Import 'fimport$5':
Module: 'env'
Base: 'getTotalMemory'
*/
extern int fimport$5()
/*
Import 'fimport$6':
Module: 'env'
Base: 'abortOnCannotGrowMemory'
*/
extern int fimport$6()
/*
Import 'fimport$7':
Module: 'env'
Base: '___lock'
*/
extern void fimport$7(int local_0)
/*
Import 'fimport$8':
Module: 'env'
Base: '___syscall6'
*/
extern int fimport$8(int local_0, int local_1)
/*
Import 'fimport$9':
Module: 'env'
Base: '___setErrNo'
*/
extern void fimport$9(int local_0)
/*
Import 'fimport$10':
Module: 'env'
Base: '_abort'
*/
extern void fimport$10()
/*
Import 'fimport$11':
Module: 'env'
Base: '___syscall140'
*/
extern int fimport$11(int local_0, int local_1)
/*
Import 'fimport$12':
Module: 'env'
Base: '_emscripten_memcpy_big'
*/
extern int fimport$12(int local_0, int local_1, int local_2)
/*
Import 'fimport$13':
Module: 'env'
Base: '___syscall54'
*/
extern int fimport$13(int local_0, int local_1)
/*
Import 'fimport$14':
Module: 'env'
Base: '___unlock'
*/
extern void fimport$14(int local_0)
/*
Import 'fimport$15':
Module: 'env'
Base: '___syscall146'
*/
extern int fimport$15(int local_0, int local_1)
/*
Import 'fimport$16':
Module: 'asm2wasm'
Base: 'f64-to-int'
*/
extern int fimport$16(double local_0)
// WASM globals:
int global$0 = gimport$0;
int global$1 = gimport$1;
int global$2 = gimport$2;
int global$3 = 0;
int global$4 = 0;
int global$5 = 0;
// WASM functions:
/*
Function '$0'
Local variables: 1
Parameters: 1
*/
int fn_0(int local_0) {
// Parsed WASM function locals:
int local_1 = 0; // Local with index '1'
label$1:
local_1 = global$1;
global$1 = global$1 + local_0;
global$1 = global$1 + 15 && -16;
local_1}
/*
Function '$1'
Local variables: 0
Parameters: 0
*/
int fn_1() {
// Function contains no non-parameter locals
global$1}
/*
Function '$2'
Local variables: 0
Parameters: 1
*/
void fn_2(int local_0) {
// Function contains no non-parameter locals
global$1 = local_0;
}
/*
Function '$3'
Local variables: 0
Parameters: 2
*/
void fn_3(int local_0, int local_1) {
// Function contains no non-parameter locals
label$1:
global$1 = local_0;
global$2 = local_1;
}
/*
Function '$4'
Local variables: 0
Parameters: 2
*/
void fn_4(int local_0, int local_1) {
// Function contains no non-parameter locals
if (global$3 == 0) {
global$3 = local_0;
global$4 = local_1;
} // <No else block>
}
/*
Function '$5'
Local variables: 0
Parameters: 1
*/
void fn_5(int local_0) {
// Function contains no non-parameter locals
global$5 = local_0;
}
/*
Function '$6'
Local variables: 0
Parameters: 0
*/
int fn_6() {
// Function contains no non-parameter locals
global$5}
/*
Function '$7'
Local variables: 2
Parameters: 2
*/
void fn_7(int local_0, int local_1) {
// Parsed WASM function locals:
int local_2 = 0; // Local with index '2'
int local_3 = 0; // Local with index '3'
label$1:
if (local_1 > 0) {
local_2 = 0;
} else {
return;
} while (1) { // Loop name: 'label$4'
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_0 + local_2 || 1 = local_3 = /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: true */
local_0 + local_2;
;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_0 + local_2 || 2 = local_3;
if ( local_2 = local_2 + 4;
< local_1) break;
} // End of loop 'label$4'
}
/*
Function '$8'
Local variables: 3
Parameters: 3
*/
void fn_8(int local_0, int local_1, int local_2) {
// Parsed WASM function locals:
int local_3 = 0; // Local with index '3'
int local_4 = 0; // Local with index '4'
int local_5 = 0; // Local with index '5'
label$1:
if (local_1 > 0) {
local_3 = 0;
} else {
return;
} while (1) { // Loop name: 'label$4'
if ( local_5 = /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_4 = local_0 + local_3;
;
<< 1 + local_2 <= 255) {
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_4 = local_5 + local_2;
} // <No else block>
if ( local_5 = /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_4 = local_0 + local_3 || 1;
;
<< 1 + local_2 <= 255) {
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_4 = local_5 + local_2;
} // <No else block>
if ( local_5 = /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_4 = local_0 + local_3 || 2;
;
<< 1 + local_2 <= 255) {
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_4 = local_5 + local_2;
} // <No else block>
if ( local_3 = local_3 + 4;
< local_1) break;
} // End of loop 'label$4'
}
/*
Function '$9'
Local variables: 2
Parameters: 2
*/
void fn_9(int local_0, int local_1) {
// Parsed WASM function locals:
int local_2 = 0; // Local with index '2'
int local_3 = 0; // Local with index '3'
label$1:
if (local_1 > 0) {
local_2 = 0;
} else {
return;
} while (1) { // Loop name: 'label$4'
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_3 = local_0 + local_2;
= /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: true */
local_3 ^ -1;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_3 = local_0 + local_2 || 1;
= /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: true */
local_3 ^ -1;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_3 = local_0 + local_2 || 2;
= /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: true */
local_3 ^ -1;
if ( local_2 = local_2 + 4;
< local_1) break;
} // End of loop 'label$4'
}
/*
Function '$10'
Local variables: 0
Parameters: 2
*/
int fn_10(int local_0, int local_1) {
// Function contains no non-parameter locals
if (local_1) {
local_0 % local_1
} else {
0
}}
/*
Function '$11'
Local variables: 3
Parameters: 2
*/
void fn_11(int local_0, int local_1) {
// Parsed WASM function locals:
int local_2 = 0; // Local with index '2'
int local_3 = 0; // Local with index '3'
float local_4 = 0; // Local with index '4'
label$1:
if (local_1 > 0) {
local_2 = 0;
} else {
return;
} while (1) { // Loop name: 'label$4'
local_4 = (float) fn_10( fn_33();
, 70);
+ -35;
/* Store:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false */
local_3 = local_0 + local_2 << 2;
= /* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_3 + local_4;
/* Store:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false */
local_3 = local_0 + local_2 || 1 << 2;
= /* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_3 + local_4;
/* Store:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false */
local_3 = local_0 + local_2 || 2 << 2;
= local_4 + /* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_3;
if ( local_2 = local_2 + 4;
< local_1) break;
} // End of loop 'label$4'
}
/*
Function '$12'
Local variables: 2
Parameters: 7
*/
void fn_12(int local_0, int local_1, int local_2, int local_3, int local_4, int local_5, int local_6) {
// Parsed WASM function locals:
int local_7 = 0; // Local with index '7'
int local_8 = 0; // Local with index '8'
label$1:
if (local_1 <= 0) {
return;
} // <No else block>
local_7 = local_2 << 2;
local_2 = 0;
while (1) { // Loop name: 'label$3'
if ( fn_10(local_2, 4);
!= 3) {
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_8 = local_0 + local_2;
= /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_8 * local_5 + local_4 - /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_0 + local_2 + local_6 - /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_0 + local_2 + local_7;
} // <No else block>
if ( local_2 = local_2 + local_3;
< local_1) break;
} // End of loop 'label$3'
}
/*
Function '$13'
Local variables: 2
Parameters: 7
*/
void fn_13(int local_0, int local_1, int local_2, int local_3, int local_4, int local_5, int local_6) {
// Parsed WASM function locals:
float local_7 = 0; // Local with index '7'
float local_8 = 0; // Local with index '8'
label$1:
if (local_1 <= 0) {
return;
} // <No else block>
local_7 = (float)local_4;
local_8 = (float)local_5;
local_4 = local_2 << 2;
local_2 = 0;
while (1) { // Loop name: 'label$3'
if ( fn_10(local_2, 4);
!= 3) {
/* Store:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false */
local_5 = local_0 + local_2 << 2;
= local_7 + local_8 * /* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_5 - /* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_0 + local_2 + local_6 << 2 - /* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_0 + local_2 + local_4 << 2;
} // <No else block>
if ( local_2 = local_2 + local_3;
< local_1) break;
} // End of loop 'label$3'
}
/*
Function '$14'
Local variables: 29
Parameters: 4
*/
void fn_14(int local_0, int local_1, int local_2, int local_3) {
// Parsed WASM function locals:
int local_4 = 0; // Local with index '4'
int local_5 = 0; // Local with index '5'
int local_6 = 0; // Local with index '6'
int local_7 = 0; // Local with index '7'
int local_8 = 0; // Local with index '8'
int local_9 = 0; // Local with index '9'
int local_10 = 0; // Local with index '10'
int local_11 = 0; // Local with index '11'
int local_12 = 0; // Local with index '12'
int local_13 = 0; // Local with index '13'
int local_14 = 0; // Local with index '14'
int local_15 = 0; // Local with index '15'
int local_16 = 0; // Local with index '16'
int local_17 = 0; // Local with index '17'
int local_18 = 0; // Local with index '18'
int local_19 = 0; // Local with index '19'
int local_20 = 0; // Local with index '20'
int local_21 = 0; // Local with index '21'
int local_22 = 0; // Local with index '22'
int local_23 = 0; // Local with index '23'
int local_24 = 0; // Local with index '24'
int local_25 = 0; // Local with index '25'
int local_26 = 0; // Local with index '26'
int local_27 = 0; // Local with index '27'
int local_28 = 0; // Local with index '28'
int local_29 = 0; // Local with index '29'
int local_30 = 0; // Local with index '30'
int local_31 = 0; // Local with index '31'
int local_32 = 0; // Local with index '32'
label$1:
local_15 = global$1;
local_7 = global$1;
global$1 = global$1 + local_2 * local_1 << 2 * 1 + 15 && -16;
if ( local_4 = local_2 > 0;
== 0) {
global$1 = local_15;
return;
} // <No else block>
if (local_1 > 0) {
local_5 = 0;
while (1) { // Loop name: 'label$4'
local_6 = local_5 * local_1;
local_8 = 0;
while (1) { // Loop name: 'label$5'
local_9 = local_0 + local_12 = local_10 = local_8 + local_6;
<< 2;
;
/* Store:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false */
local_7 + local_10 << 2 = local_11 = /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_10 = local_0 + local_12 || 1;
>> 1 + /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_9 >> 2 + /* Load:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false
Signed: false */
local_13 = local_0 + local_12 || 2;
>> 3;
;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_9 = local_9 = local_11 && 255;
;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_10 = local_9;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_13 = local_9;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_0 + local_12 || 3 = -1;
if ( local_8 = local_8 + 1;
!= local_1) break;
} // End of loop 'label$5'
if ( local_5 = local_5 + 1;
!= local_2) break;
} // End of loop 'label$4'
if (local_4 == 0) {
global$1 = local_15;
return;
} // <No else block>
} // <No else block>
local_23 = local_1 > 0;
local_24 = local_1 + -1;
local_25 = local_2 + -1;
local_12 = 1;
local_8 = 0;
while (1) { // Loop name: 'label$7'
if (local_23) {
local_16 = local_8 * local_1;
local_26 = local_8 > 0;
local_27 = local_8 < local_25;
local_17 = local_9 = local_8 + 1;
< local_2;
local_10 = local_9 * local_1;
local_13 = local_18 = local_8 + -1;
* local_1;
local_5 = 0;
while (1) { // Loop name: 'label$9'
local_4 = if (local_5 < 1) {
local_6 = 0;
0
} else {
if (local_27 && local_26 && local_5 < local_24) {
local_11 = if ( local_19 = local_6 = local_5 + -1;
|| local_18 > -1;
) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_6 + local_13 << 2
} else {
0
};
local_28 = if ( local_20 = local_14 = local_4 = local_5 + 1;
< local_1;
&& local_4 || local_18 > -1;
) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_4 + local_13 << 2
} else {
0
};
local_29 = if (local_12 && local_6 || local_8 > -1) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_6 + local_16 << 2
} else {
0
};
local_30 = if (local_4 || local_8 > -1 && local_12 && local_14) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_4 + local_16 << 2
} else {
0
};
local_31 = if ( local_21 = local_17 && local_6 || local_9 > -1;
) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_6 + local_10 << 2
} else {
0
};
local_14 = if ( local_22 = local_17 && local_14 && local_4 || local_9 > -1;
) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_4 + local_10 << 2
} else {
0
};
local_19 = if (local_19) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_6 + local_13 << 2
} else {
0
};
local_32 = if (local_5 || local_18 < 0) {
0
} else {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_5 + local_13 << 2
};
local_20 = if (local_20) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_4 + local_13 << 2
} else {
0
};
local_6 = if (local_21) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_6 + local_10 << 2
} else {
0
};
local_21 = if (local_17 && local_5 || local_9 > -1) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_5 + local_10 << 2
} else {
0
};
local_6 = local_6 - local_20 + local_19 + local_22 = if (local_22) {
/* Load:
Offset: 0x00000000
Align: 0x00000004
Bytes: 0x00000004
Atomic: false
Signed: false */
local_7 + local_4 + local_10 << 2
} else {
0
};
+ local_21 - local_32 << 1;
local_28 - local_11 - local_29 << 1 + local_30 << 1 - local_31 + local_14
} else {
local_6 = 0;
0
}
};
local_11 = local_5 + local_16 << 2;
local_6 = 255 - if ( local_4 = fimport$16(sqrt((double)local_6 * local_6 + local_4 * local_4));
;
< 255) {
local_4
} else {
local_4 = 255;
};
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_0 + local_11 = local_4 = if (local_3) {
local_6
} else {
local_4
} && 255;
;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_0 + local_11 || 1 = local_4;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_0 + local_11 || 2 = local_4;
/* Store:
Offset: 0x00000000
Align: 0x00000001
Bytes: 0x00000001
Atomic: false */
local_0 + local_11 || 3 = -1;
if ( local_5 = local_5 + 1;
!= local_1) break; local_5 = local_9;
} // End of loop 'label$9'
} else {
local_5 = local_8 + 1;
} local_12 = local_5 < local_2;
if (local_5 != local_2) {
local_8 = local_5;
break;
} // <No else block>
} // End of loop 'label$7'
global$1 = local_15;
}
/*
Function '$15'
Local variables: 0
Parameters: 2
*/
int fn_15(int local_0, int local_1) {
// Function contains no non-parameter locals
if (local_1) {
if (local_0 == -2147483648 && local_1 == -1) {
0
} else {
local_0 / local_1
}
} else {
0
}}
/*
Function '$16'
Local variables: 22
Parameters: 9
*/
void fn_16(int local_0, int local_1, int local_2, int local_3, int local_4, int local_5, float local_6, float local_7, int local_8) {
// Parsed WASM function locals:
int local_9 = 0; // Local with index '9'
int local_10 = 0; // Local with index '10'
int local_11 = 0; // Local with index '11'
int local_12 = 0; // Local with index '12'
int local_13 = 0; // Local with index '13'
int local_14 = 0; // Local with index '14'
int local_15 = 0; // Local with index '15'
int local_16 = 0; // Local with index '16'
int local_17 = 0; // Local with index '17'
int local_18 = 0; // Local with index '18'
int local_19 = 0; // Local with index '19'
int local_20 = 0; // Local with index '20'
int local_21 = 0; // Local with index '21'
int local_22 = 0; // Local with index '22'
int local_23 = 0; // Local with index '23'
int local_24 = 0; // Local with index '24'
int local_25 = 0; // Local with index '25'
int local_26 = 0; // Local with index '26'
float local_27 = 0; // Local with index '27'
float local_28 = 0; // Local with index '28'
float local_29 = 0; // Local with index '29'
double local_30 = 0; // Local with index '30'
label$1:
local_10 = fimport$16(floor((double) fn_15(local_5, 2);
));
;
local_11 = fimport$16(floor((double) fn_15(local_4, 2);
));
;
if (local_8 <= 0) {
return;
} // <No else block>
local_17 = local_10 < local_16 = local_2 - local_10;
;
local_19 = local_11 < local_18 = local_1 - local_11;
;
local_20 = local_5 > 0;
local_21 = local_4 > 0;