◄Up► ◄Contents► ◄Index► ◄Back► ──P-Code Instructions─────────────────────────────────────────────────────── Syntax Cmpu<t> /* Compare top two items on stack as unsigned values */ Possible Instructions CmpuL, CmpuW See: ◄P-Code Data Types► Description Pops two elements from the stack and performs an unsigned compare on them. Depending on the results of the compare, a -1, 0, or 1 is pushed onto the stack, followed by a 0. These results can be then compared by the normal (signed) compares. Cmpu<t>, JgtW<n> is thus equivalent to an unsigned JgtW<n>. Pseudocode equivalent: unsigned u<t>1, u<t>2; u<t>2 = Pop<t>(); u<t>1 = Pop<t>(); Push(u<t>1 == u<t>2 ? 0 : (u<t>1 > u<t>2) ? 1 : -1); Push(0); The following example is one that generates this instruction: uTest1 = 99; uTest2 = 100; uTest1 = (uTest1 * uTest2 <10000 ? 0 : 1); /* generates CmpuW */ -♦-