| ??? 05/26/07 16:13 Read: times |
#139875 - weekend-end quiz |
What is the function of the following (deliberately uncommented) code? Quiz: mov b,#16 mul ab rlc a jb p,Quiz1 jz Quiz2 mov a,#2 sjmp Quiz2 Quiz1: addc a,#22h jc Quiz2 anl a,#03h dec a Quiz2: addc a,#0 xch a,b rlc a jb p,Quiz3 jz Quiz4 mov a,#2 sjmp Quiz4 Quiz3: addc a,#22h jc Quiz4 anl a,#03h dec a Quiz4: addc a,b ret Yes, code, no program. Nobody in his right state of mind would implement this function in such way. There are at least two different and in all respects superior solutions. Discuss, in which ways is this one broken. Enjoy! JW |
| Topic | Author | Date |
| weekend-end quiz | 01/01/70 00:00 | |
| How about this? | 01/01/70 00:00 | |
| @#$%^& | 01/01/70 00:00 | |
| Two equivalent functions | 01/01/70 00:00 | |
| OK, I admit, 2:1 | 01/01/70 00:00 | |
| Nice variation! | 01/01/70 00:00 | |
| shortest? | 01/01/70 00:00 | |
| Eleven bytes. No tricks. | 01/01/70 00:00 | |
| The wayward path followed... | 01/01/70 00:00 | |
| Deterministic Way | 01/01/70 00:00 | |
| Yet another tweak | 01/01/70 00:00 | |
| OMG.... | 01/01/70 00:00 | |
You are forgiven | 01/01/70 00:00 | |
| commented | 01/01/70 00:00 | |
| Nastiness density increased | 01/01/70 00:00 | |
| That looks like my assembly code. | 01/01/70 00:00 |