minor changes

2022-02-01 01:22:38 +01:00
parent d2a5e24854
commit 3934b86eaf
1 changed files with 6 additions and 3 deletions
@@ -149,12 +149,12 @@ int main(int argc, const char* argv[]) {
                uint16_t imm5;                           // immediate mode register

                if(imm_flag == 0) {
-                    uint16_t sr2 = (instr & 0x7);
-                    reg[dr] = reg[sr1] + sr2;
+                    sr2 = (instr & 0x7);
+                    reg[dr] = reg[sr1] + sr2;            // register mode add
                }
                else {
                    imm5 = sign_extend(instr & 0x1F, 5);
-                    reg[dr] = reg[sr1] + imm5;
+                    reg[dr] = reg[sr1] + imm5;           // immediate mode add
                }

                update_flags(dr);
@@ -182,6 +182,9 @@ int main(int argc, const char* argv[]) {
                {NOT};
                break;
            case OP_LDI:
+
+
+
                {LDI};
                break;
            case OP_STI: