Update tyvm.c

2022-02-01 00:18:42 +01:00
parent 870ded4970
commit f7650aaa2e
1 changed files with 2 additions and 8 deletions
@@ -96,14 +96,8 @@ enum flags {
    FL_N = 1 << 2,    // Negative
 };
-/* sign extension for immediate add mode (imm5[0:4])
+
-transforms 5bit number to 8bit number preserving sign*/
+
 uint16_t sign_extend(uint16_t bin, int bit_count) {
    if((bin >> (bit_count - 1)) & 1) {
        bin |= (0xFFFF << bit_count);
    }
    return bin;
 }
 /* main loop */