| ??? 09/26/06 11:39 Read: times |
#125054 - Basic Q about Table Look ups |
I have been learning to program with an 8052 chip at work. I have just been having a trival problem while coding my first program.
;the pc will recive a response from the modem between 00h and 07h ;range_check ok $Modem_response . . ;accumulator is loaded with modem response **It is doing this that my code (mov dptr,#$response_table) **is copying 0000h into the dptr???. **could some one please fill in down **below so i can compare it to what i may have shamefully written ************************************** ;use look up table to determine if modem response is error or ;connected. ;if 00h, jmp $connected ;else jmp $error ************************************** ;modem response table, 00h indicates connected msg, 01h error msg ;eight elements representing the 8 possible modem response msgs $response_table db 01h,00h,00h,01h,00h,01h,00h,01h Cheers |
| Topic | Author | Date |
| Basic Q about Table Look ups | 01/01/70 00:00 | |
| Basic table lookup | 01/01/70 00:00 | |
| well, this should be an exercise for the student | 01/01/70 00:00 | |
| More help please | 01/01/70 00:00 | |
| Why HEX? | 01/01/70 00:00 | |
It's Place Value again! | 01/01/70 00:00 | |
| Confusion! | 01/01/70 00:00 |