static int three_register_execute(UM_machine machine,
Um_instruction instruction)
{
unsigned op = Bitpack_getu(instruction, BITS_PER_OP_CODE, 28);
unsigned A = Bitpack_getu(instruction, BITS_PER_REG_NUM, 6);
unsigned B = Bitpack_getu(instruction, BITS_PER_REG_NUM, 3);
unsigned C = Bitpack_getu(instruction, BITS_PER_REG_NUM, 0);
switch(op){
case 0: //
movc(machine, A, B, C);
return 1;
case 1:
segl(machine, A, B, C);
return 1;
case 2:
segs(machine, A, B, C);
return 1;
case 3:
add(machine, A, B, C);
return 1;
case 4:
mult(machine, A, B, C);
return 1;
case 5:
divi(machine, A, B, C);
return 1;
case 6:
nand(machine, A, B, C);
return 1;
case 7:
return 0;
case 8:
map(machine, B, C);
return 1;
case 9:
unmap(machine, C);
return 1;
case 10:
out(machine, C);
return 1;
case 11:
in(machine, C);
return 1;
case 12:
loadp(machine, B, C);
return 1;
default:
return 0;
}
}
int main(int argc, char* argv[])
{
if(argc != 3) {
fprintf(stderr, "wrong number of files\n");
exit(1);
}
FILE *fp = fopen(argv[1], "r");
FILE *write = fopen(argv[2], "wb");
if (fp == NULL) {
fprintf(stderr, "can't open read file\n");
exit(1);
}
if (write == NULL) {
fprintf(stderr, "can't open write file\n");
exit(1);
}
char line[100];
// char* opcode = NULL;
uint32_t opcode;
uint32_t value;
uint32_t ra;
uint32_t rb;
uint32_t rc;
int num_inst = 0;
if (fgets(line, 100, fp) != NULL) {
sscanf(line, "%d", &num_inst);
}
//uint32_t data[num_inst];
//int i = 0;
uint32_t word;
while (fgets(line, 500, fp) != NULL) {
sscanf(line, "%u %u %u %u %u", &opcode, &value, &ra, &rb, &rc);
//op = convert_opcode(opcode);
word = make_inst(opcode, value, ra, rb, rc);
//i++;
for (int j = 3; j>= 0; j--) {
putc((unsigned char)Bitpack_getu(word, 8, j*8), write);
}
}
/*
for (int i = 0; i < num_inst; i++) {
fprintf(stderr, "%u\n", data[i]);
}
*/
//fwrite(data, sizeof(uint32_t), num_inst, write);
fclose(fp);
fclose(write);
return 0;
}