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binary machine.c
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366 lines (335 loc) · 7.23 KB
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/*
Binary Machine
by mbar02
*/
#include <stdio.h>
#define VERSION "0.1"
int main(int arg_c, char* arg_v[]);
int execute();
int w_prog();
int r_file(char* filename);
char string[16]={'0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0', '0'};
short int ram[256];
short int ir;
short int acc;
unsigned char pc;
int i;
int main(int arg_c, char* arg_v[])
{
printf("\nBinary Machine,\n\tby mbar02\n");
if(arg_c==2&& *arg_v[1]=='h')
{
printf("\n\t\tBinary Machine Guide\n");
printf("To execute a .bmf file, digit \"bm.exe [namefile.bmf]\"\n");
printf("To create a new programm in the BM Editor, digit \"bm.exe\"\n\n");
printf("BM Language:\n");
printf("FEDCBA\t\t98\t\t76543210\n");
printf("Op.Code\t\tAddr.Mode\tOperand\n\n");
printf("Operand Codes:\t\t00 0001 ADD\n");
printf("\t\t\t00 0010 SUB\n");
printf("\t\t\t00 0100 MUL\n");
printf("\t\t\t00 1000 DIV\n");
printf("\t\t\t00 1001 NOT\n");
printf("\t\t\t00 1010 AND\n");
printf("\t\t\t00 1011 NAND\n");
printf("\t\t\t00 1100 OR\n");
printf("\t\t\t00 1101 NOR\n");
printf("\t\t\t00 1110 XOR\n");
printf("\t\t\t00 1111 XNOR\n");
printf("\t\t\t01 0001 LDA\n");
printf("\t\t\t01 0010 STA\n");
printf("\t\t\t10 0001 IN\n");
printf("\t\t\t10 0010 OUT\n");
printf("\t\t\t11 0001 JMP\n");
printf("\t\t\t11 0010 JZ\n");
printf("\t\t\t11 0011 JNZ\n");
printf("\t\t\t11 0100 JG\n");
printf("\t\t\t11 0101 JL\n");
printf("\t\t\t11 0110 JNL\n");
printf("\t\t\t11 0111 JNG\n");
printf("\t\t\t11 1111 HLT\n");
printf("\nAddressing Mode:\t00 From/To the pointed by Operand RAM word\n");
printf("\t\t\t01 From the value of Operand\n");
return 0;
}
else if(arg_c==2 && *arg_v[1]=='v')
{
printf("\nVersion no: %s\n", VERSION);
return 0;
}
else if(arg_c==1)
{
printf("\n\t\t\tSource Editor:\n");
i=w_prog();
printf("\n");
getch();
return i;
}
else if(arg_c==2)
{
i=r_file(arg_v[1]);
printf("\n");
getch();
return i;
}
return;
}
int w_prog()
{
for(pc=1; pc!=0; pc++)
{
printf("%d:\t", pc);
scanf("%s", &string[0]);
for(i=0; i<16; i++)
{
ram[pc]*=2;
ram[pc]+=string[i]-'0';
}
if(ram[pc]==-1)
{
ram[pc]=0;
break;
}
}
return execute();
}
int r_file(char* filename)
{
FILE *prog = fopen(filename, "r");
for(pc=1; pc!=0; pc++)
{
fscanf(prog, "%s", &string[0]);
if(string[0]==NULL)
break;
for(i=0; i<16; i++)
{
ram[pc]*=2;
ram[pc]+=string[i]-'0';
}
}
fflush(prog);
fclose(prog);
return execute();
}
int execute()
{
for(pc=1; pc!=0; pc++)
{
ir = ram[pc];
switch (ir&0xFC00)
{
/*
addressing mode:
00 op, mem
01 op, val
10 error
11 error
*/
case 0x0400: // +
if( (ir&0x0300) == 0x0000 )
acc += ram[ir&0x00FF];
else if ( (ir&0x0300) == 0x0100 )
acc += ir&0x00FF;
else
return;
break;
case 0x0800: // -
if( (ir&0x0300) == 0x0000 )
acc -= ram[ir&0x00FF];
else if ( (ir&0x0300) == 0x0100 )
acc -= ir&0x00FF;
else
return;
break;
case 0x1000: // *
if( (ir&0x0300) == 0x0000 )
acc *= ram[ir&0x00FF];
else if ( (ir&0x0300) == 0x0100 )
acc *= ir&0x00FF;
else
return;
break;
case 0x2000: // /
if( (ir&0x0300) == 0x0000 )
{
acc /= ram[ir&0x00FF];
ram[0] = acc%ram[ir&0x00FF];
}
else if ( (ir&0x0300) == 0x0100 )
{
acc /= ir&0x00FF;
ram[0] = acc%ir&0x00FF;
}
else
return;
break;
case 0x2400: // NOT
if( (ir&0x0300) == 0x0000 )
acc = ~ram[ir&0x00FF];
else if ( (ir&0x0300) == 0x0100 )
acc = ~(ir&0x00FF);
else
return;
break;
case 0x2800: // AND
if( (ir&0x0300) == 0x0000 )
acc &= ram[ir&0x00FF];
else if ( (ir&0x0300) == 0x0100 )
acc &= ir&0x00FF;
else
return;
break;
case 0x2C00: // NAND
if( (ir&0x0300) == 0x0000 )
acc = ~ ( acc & ram[ir&0x00FF] );
else if ( (ir&0x0300) == 0x0100 )
acc = ~ ( acc & (ir&0x00FF) );
else
return;
break;
case 0x3000: // OR
if( (ir&0x0300) == 0x0000 )
acc |= ram[ir&0x00FF];
else if ( (ir&0x0300) == 0x0100 )
acc |= ir&0x00FF;
else
return;
break;
case 0x3400: // NOR
if( (ir&0x0300) == 0x0000 )
acc = ~ ( acc | ram[ir&0x00FF] );
else if ( (ir&0x0300) == 0x0100 )
acc = ~ ( acc | (ir&0x00FF) );
else
return;
break;
case 0x3800: // XOR
if( (ir&0x0300) == 0x0000 )
acc ^= ram[ir&0x00FF];
else if ( (ir&0x0300) == 0x0100 )
acc ^= ir&0x00FF;
else
return;
break;
case 0x3C00: // XNOR
if( (ir&0x0300) == 0x0000 )
acc = ~ ( acc ^ ram[ir&0x00FF] );
else if ( (ir&0x0300) == 0x0100 )
acc = ~ ( acc ^ (ir&0x00FF) );
else
return;
break;
case 0x4400: // load
if( (ir&0x0300) == 0x0000 )
acc = ram[ir&0x00FF];
else if( (ir&0x0300) == 0x0100 )
acc = ir&0x00FF;
else
return;
break;
case 0x4800: // store
if( (ir&0x0300) == 0x0000 )
ram[ir&0x00FF] = acc;
else
return;
break;
case 0x8400: // input
if( (ir&0x0300) == 0x0000 )
{
printf("\nInserisci qui un valore: ");
scanf( "%d", &(ram[ir&0x00FF]) );
}
else
return;
break;
case 0x8800: // output
if( (ir&0x0300) == 0x0000 )
printf("\nResult: %d\n", ram[ir&0x00FF]);
else if( (ir&0x0300) == 0x0100 )
printf("\nResult: %d", ir&0x00FF);
else
return;
break;
case 0xC400: // jump
if( (ir&0x0300) == 0x0000 )
pc = ram[ir&0x00FF]-1;
else if( (ir&0x0300) == 0x0100 )
pc = (ir&0x00FF)-1;
else
return;
break;
case 0xC800: // jz
if(acc==0)
{
if( (ir&0x0300) == 0x0000 )
pc = ram[ir&0x00FF]-1;
else if( (ir&0x0300) == 0x0100 )
pc = (ir&0x00FF)-1;
else
return;
}
break;
case 0xCC00: // jnz
if(acc!=0)
{
if( (ir&0x0300) == 0x0000 )
pc = ram[ir&0x00FF]-1;
else if( (ir&0x0300) == 0x0100 )
pc = (ir&0x00FF)-1;
else
return;
}
break;
case 0xD000: // jg
if(acc>0)
{
if( (ir&0x0300) == 0x0000 )
pc = ram[ir&0x00FF]-1;
else if( (ir&0x0300) == 0x0100 )
pc = (ir&0x00FF)-1;
else
return;
}
break;
case 0xD400: // jl
if(acc<0)
{
if( (ir&0x0300) == 0x0000 )
pc = ram[ir&0x00FF]-1;
else if( (ir&0x0300) == 0x0100 )
pc = (ir&0x00FF)-1;
else
return;
}
break;
case 0xD800: // jnl
if(acc>=0)
{
if( (ir&0x0300) == 0x0000 )
pc = ram[ir&0x00FF]-1;
else if( (ir&0x0300) == 0x0100 )
pc = (ir&0x00FF)-1;
else
return;
}
break;
case 0xDC00: // jng
if(acc<=0)
{
if( (ir&0x0300) == 0x0000 )
pc = ram[ir&0x00FF]-1;
else if( (ir&0x0300) == 0x0100 )
pc = (ir&0x00FF)-1;
else
return;
}
break;
case 0xFC00: // halt
return 0;
break;
default:
return;
}
}
return;
}