Crowdly

Add to Chrome

After executing MOV A, #10H, CLR C, SUBB A, #20H, what are the values in A and t...

✅ The verified answer to this question is available below. Our community-reviewed solutions help you understand the material better.

After executing MOV A, #10H, CLR C, SUBB A, #20H, what are the values in A and the Carry flag?

A=0xF0, C=1 (10H - 20H = -10H in signed, wraps to F0H in unsigned with borrow indicated by C=1)

✅

A=0xF0, C=0 (correct subtraction result with no borrow needed)

❌

A=0x10, C=0 (subtraction cannot proceed because minuend < subtrahend)

❌

A=0xE0, C=1 (two's complement result with borrow indication)

❌

More questions like this

Want instant access to all verified answers on e.tsi.lv?

Get Unlimited Answers To Exam Questions - Install Crowdly Extension Now!

Add to Chrome

Telegram Instagram TikTok Question Bank

Terms of Use Contact Us