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- //#include "main.h"
- #include "STU_InstructAndDecode.h"
- uint8_t STU_InstructAndDecode(void)
- {
- uint8_t uc_operand;
- uint32_t uw_operand1,uw_operand2,uw_result;
- int32_t w_operand1,w_operand2,w_result;
-
- /**************************赋值指令******************************/
- uc_operand = 0x55;
- if(uc_operand != 0x55)
- {
- return(ERROR);
- }
-
- uc_operand = 0xAA;
- if(uc_operand != 0xAA)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x55555555;
- if(uw_operand1 != 0x55555555)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xAAAAAAAA;
- if(uw_operand1 != 0xAAAAAAAA)
- {
- return(ERROR);
- }
-
- /**************************加法指令******************************/
- uw_operand1 = 1000;
- uw_operand2 = 2000;
- uw_result = uw_operand1 + uw_operand2;
- if(uw_result != 3000)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 0x02;
- uw_result = uw_operand1 + uw_operand2;
- if(uw_result != 0x01)
- {
- return(ERROR);
- }
-
- w_operand1 = 1000;
- w_operand2 = -2000;
- w_result = w_operand1 + w_operand2;
- if(w_result != -1000)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand2 = 0x01;
- w_result = w_operand1 + w_operand2;
- if(w_result != (int32_t)0x80000000)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand2 = 0x02;
- w_result = w_operand1 + w_operand2;
- if(w_result != (int32_t)-0x7FFFFFFF)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand2 = 0x03;
- w_result = w_operand1 + w_operand2;
- if(w_result != (int32_t)-0x7FFFFFFE)
- {
- return(ERROR);
- }
-
- /**************************减法指令******************************/
- uw_operand1 = 2000;
- uw_operand2 = 1000;
- uw_result = uw_operand1 - uw_operand2;
- if(uw_result != 1000)
- {
- return(ERROR);
- }
-
- uw_operand1 = 2000;
- uw_operand2 = 2001;
- uw_result = uw_operand1 - uw_operand2;
- if(uw_result != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0;
- uw_operand2 = 1;
- uw_result = uw_operand1 - uw_operand2;
- if(uw_result != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- w_operand1 = 1000;
- w_operand2 = 2000;
- w_result = w_operand1 - w_operand2;
- if(w_result != (int32_t)-1000)
- {
- return(ERROR);
- }
-
- w_operand1 = 0;
- w_operand2 = 1;
- w_result = w_operand1 - w_operand2;
- if(w_result != (int32_t)-1)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x80000000;
- w_operand2 = 1;
- w_result = w_operand1 - w_operand2;
- if(w_result != (int32_t)0x7FFFFFFF)
- {
- return(ERROR);
- }
-
- /**************************自加“++”指令******************************/
- uw_operand1 = 1000;
- uw_operand1++;
- if(uw_operand1 != 1001)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand1++;
- if(uw_operand1 != 0)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x00;
- uw_operand1++;
- if(uw_operand1 != 0x01)
- {
- return(ERROR);
- }
-
- w_operand1 = 1000;
- w_operand1++;
- if(w_operand1 != 1001)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x00;
- w_operand1++;
- if(w_operand1 != 0x01)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand1++;
- if(w_operand1 != 0x80000000)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x80000000;
- w_operand1++;
- if(w_operand1 != 0x80000001)
- {
- return(ERROR);
- }
-
- /**************************自减“--”指令******************************/
- uw_operand1 = 1000;
- uw_operand1--;
- if(uw_operand1 != 999)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x0;
- uw_operand1--;
- if(uw_operand1 != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand1--;
- if(uw_operand1 != 0xFFFFFFFE)
- {
- return(ERROR);
- }
-
- w_operand1 = 1000;
- w_operand1--;
- if(w_operand1 != 999)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x80000000;
- w_operand1--;
- if(w_operand1 != 0x7FFFFFFF)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand1--;
- if(w_operand1 != 0x7FFFFFFE)
- {
- return(ERROR);
- }
-
- w_operand1 = 0x0;
- w_operand1--;
- if(w_operand1 != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- /**************************乘法指令******************************/
- uw_operand1 = 100;
- uw_operand2 = 10;
- uw_result = uw_operand1 * uw_operand2;
- if(uw_result != 1000)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x0FFFFFFF;
- uw_operand2 = 0x11;
- uw_result = uw_operand1 * uw_operand2;
- if(uw_result != 0x0FFFFFEF)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 0x1;
- uw_result = uw_operand1 * uw_operand2;
- if(uw_result != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- uw_operand1 = 100;
- uw_operand2 = 0;
- uw_result = uw_operand1 * uw_operand2;
- if(uw_result != 0)
- {
- return(ERROR);
- }
-
- /**************************除法指令******************************/
- uw_operand1 = 1000;
- uw_operand2 = 10;
- uw_result = uw_operand1 / uw_operand2;
- if(uw_result != 100)
- {
- return(ERROR);
- }
-
- uw_operand1 = 1;
- uw_operand2 = 10;
- uw_result = uw_operand1 / uw_operand2;
- if(uw_result != 0)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0;
- uw_operand2 = 10;
- uw_result = uw_operand1 / uw_operand2;
- if(uw_result != 0)
- {
- return(ERROR);
- }
-
- uw_operand1 = 1000;
- uw_operand2 = 0;
- uw_result = uw_operand1 / uw_operand2;
- if(uw_result != 0)
- {
- return(ERROR);
- }
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 1;
- uw_result = uw_operand1 / uw_operand2;
- if(uw_result != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- /**************************左移指令******************************/
- uw_operand1 = 0x2;
- uw_result = uw_operand1 << 1;
- if(uw_result != 0x4)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x2;
- uw_result = uw_operand1 << 8;
- if(uw_result != 0x200)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x2;
- uw_result = uw_operand1 << 31;
- if(uw_result != 0x0)
- {
- return(ERROR);
- }
-
- /**************************右移指令******************************/
- uw_operand1 = 0xFFFF;
- uw_result = uw_operand1 >> 1;
- if(uw_result != 0x7FFF)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFF;
- uw_result = uw_operand1 >> 8;
- if(uw_result != 0xFF)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFF;
- uw_result = uw_operand1 >> 31;
- if(uw_result != 0x0)
- {
- return(ERROR);
- }
-
- /**************************if else指令******************************/
- uw_operand1 = 1;
- if(uw_operand1)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 0;
- if(uw_operand1)
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 0xFF;
- if(uw_operand1)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- /**************************大于指令******************************/
- uw_operand1 = 100;
- uw_operand2 = 10;
- if(uw_operand1 > uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 100;
- uw_operand2 = 100;
- if(uw_operand1 > uw_operand2)
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 10;
- uw_operand2 = 100;
- if(uw_operand1 > uw_operand2)
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 0;
- if(uw_operand1 > uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand2 = 0x80000000;
- if(w_operand1 > w_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- /**************************小于指令******************************/
- uw_operand1 = 10;
- uw_operand2 = 100;
- if(uw_operand1 < uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 100;
- uw_operand2 = 100;
- if(uw_operand1 < uw_operand2)
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 100;
- uw_operand2 = 10;
- if(uw_operand1 < uw_operand2)
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 0;
- uw_operand2 = 0xFFFFFFFF;
- if(uw_operand1 < uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- w_operand1 = 0x80000000;
- w_operand2 = 0x7FFFFFFF;
- if(w_operand1 < w_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- /**************************大于等于指令******************************/
- uw_operand1 = 100;
- uw_operand2 = 10;
- if(uw_operand1 >= uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 100;
- uw_operand2 = 100;
- if(uw_operand1 >= uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 10;
- uw_operand2 = 100;
- if(uw_operand1 >= uw_operand2)
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 0;
- if(uw_operand1 >= uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand2 = 0x80000000;
- if(w_operand1 >= w_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- /**************************小于等于指令******************************/
- uw_operand1 = 10;
- uw_operand2 = 100;
- if(uw_operand1 <= uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 100;
- uw_operand2 = 100;
- if(uw_operand1 <= uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 100;
- uw_operand2 = 10;
- if(uw_operand1 <= uw_operand2)
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 0;
- uw_operand2 = 0xFFFFFFFF;
- if(uw_operand1 <= uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- w_operand1 = 0x80000000;
- w_operand2 = 0x7FFFFFFF;
- if(w_operand1 <= w_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- /**************************等于指令******************************/
- uw_operand1 = 100;
- uw_operand2 = 100;
- if(uw_operand1 == uw_operand2)
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 0xFFFFFFFF;
- if(uw_operand1 == uw_operand2)
- {
-
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 0;
- uw_operand2 = 0;
- if(uw_operand1 == uw_operand2)
- {
-
- }
- else
- {
- return(ERROR);
- }
-
- w_operand1 = 0x80000000;
- w_operand2 = 0x80000000;
- if(w_operand1 == w_operand2)
- {
-
- }
- else
- {
- return(ERROR);
- }
-
- w_operand1 = 0;
- w_operand2 = 0;
- if(w_operand1 == w_operand2)
- {
-
- }
- else
- {
- return(ERROR);
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand2 = 0x7FFFFFFF;
- if(w_operand1 == w_operand2)
- {
-
- }
- else
- {
- return(ERROR);
- }
-
- /**************************不等于指令******************************/
- uw_operand1 = 100;
- uw_operand2 = 100;
- if(uw_operand1 != uw_operand2)
- {
- return(ERROR);
- }
- else
- {
-
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 0xFFFFFFFF;
- if(uw_operand1 != uw_operand2)
- {
- return(ERROR);
- }
- else
- {
-
- }
-
- uw_operand1 = 0;
- uw_operand2 = 0;
- if(uw_operand1 != uw_operand2)
- {
- return(ERROR);
- }
- else
- {
-
- }
-
- w_operand1 = 0x80000000;
- w_operand2 = 0x80000000;
- if(w_operand1 != w_operand2)
- {
- return(ERROR);
- }
- else
- {
-
- }
-
- w_operand1 = 0;
- w_operand2 = 0;
- if(w_operand1 != w_operand2)
- {
- return(ERROR);
- }
- else
- {
-
- }
-
- w_operand1 = 0x7FFFFFFF;
- w_operand2 = 0x7FFFFFFF;
- if(w_operand1 != w_operand2)
- {
- return(ERROR);
- }
- else
- {
-
- }
-
- /**************************SWITCH 指令******************************/
- uw_operand1 = 1;
- uw_operand2 = 0;
- switch(uw_operand1)
- {
- case 1:
- uw_operand2 = uw_operand2 + 2;
- break;
- case 2:
- uw_operand2 = uw_operand2 + 4;
- break;
- case 3:
- uw_operand2 = uw_operand2 + 8;
- break;
- default : break;
- }
- if(uw_operand2 != 2)
- {
- return(ERROR);
- }
-
- uw_operand1 = 2;
- uw_operand2 = 0;
- switch(uw_operand1)
- {
- case 1:
- uw_operand2 = uw_operand2 + 2;
- break;
- case 2:
- uw_operand2 = uw_operand2 + 4;
- break;
- case 3:
- uw_operand2 = uw_operand2 + 8;
- break;
- default : break;
- }
- if(uw_operand2 != 4)
- {
- return(ERROR);
- }
-
- uw_operand1 = 3;
- uw_operand2 = 0;
- switch(uw_operand1)
- {
- case 1:
- uw_operand2 = uw_operand2 + 2;
- break;
- case 2:
- uw_operand2 = uw_operand2 + 4;
- break;
- case 3:
- uw_operand2 = uw_operand2 + 8;
- break;
- default : break;
- }
- if(uw_operand2 != 8)
- {
- return(ERROR);
- }
-
- uw_operand1 = 4;
- uw_operand2 = 0;
- switch(uw_operand1)
- {
- case 1:
- uw_operand2 = uw_operand2 + 2;
- break;
- case 2:
- uw_operand2 = uw_operand2 + 4;
- break;
- case 3:
- uw_operand2 = uw_operand2 + 8;
- break;
- default : break;
- }
- if(uw_operand2 != 0)
- {
- return(ERROR);
- }
-
- /**************************与 或 指令******************************/
- uw_operand1 = 0;
- uw_operand2 = 0;
- if( uw_operand1 && uw_operand2 )
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- if( uw_operand1 || uw_operand2 )
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- uw_operand1 = 0;
- uw_operand2 = 1;
- if( uw_operand1 && uw_operand2 )
- {
- return(ERROR);
- }
- else
- {
- //ok
- }
-
- if( uw_operand1 || uw_operand2 )
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 1;
- uw_operand2 = 1;
- if( uw_operand1 && uw_operand2 )
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- if( uw_operand1 || uw_operand2 )
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 1;
- uw_operand2 = 0xFF;
- if( uw_operand1 && uw_operand2 )
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- if( uw_operand1 || uw_operand2 )
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- uw_operand1 = 0;
- uw_operand2 = 0xFF;
- if( uw_operand1 && uw_operand2 )
- {
- return(ERROR);
- }
- else
- {
- //OK
- }
-
- if( uw_operand1 || uw_operand2 )
- {
- //ok
- }
- else
- {
- return(ERROR);
- }
-
- /**************************异或运算指令******************************/
- uw_operand1 = 0x55555555;
- uw_operand2 = 0x55555555;
- uw_result = uw_operand1 ^ uw_operand2;
- if(uw_result != 0x0)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x55555555;
- uw_operand2 = 0xAAAAAAAA;
- uw_result = uw_operand1 ^ uw_operand2;
- if(uw_result != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x00000000;
- uw_operand2 = 0x00000000;
- uw_result = uw_operand1 ^ uw_operand2;
- if(uw_result != 0x00000000)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0xFFFFFFFF;
- uw_operand2 = 0xFFFFFFFF;
- uw_result = uw_operand1 ^ uw_operand2;
- if(uw_result != 0x00000000)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x00000000;
- uw_operand2 = 0xFFFFFFFF;
- uw_result = uw_operand1 ^ uw_operand2;
- if(uw_result != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- /**************************取反运算指令******************************/
- uw_operand1 = 0x55555555;
- uw_result = ~uw_operand1;
- if(uw_result != 0xAAAAAAAA)
- {
- return(ERROR);
- }
-
- uw_result = ~uw_result;
- if(uw_result != 0x55555555)
- {
- return(ERROR);
- }
-
- uw_operand1 = 0x00000000;
- uw_result = ~uw_operand1;
- if(uw_result != 0xFFFFFFFF)
- {
- return(ERROR);
- }
-
- uw_result = ~uw_result;
- if(uw_result != 0x00000000)
- {
- return(ERROR);
- }
-
- return (SUCCESS);
- }//STU_InstructAndDecode
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