| ??? 02/25/13 18:40 Read: times |
#189471 - Program flow Responding to: ???'s previous message |
I sort of hand walked the program and am finding several errors. Everything seems ok up to DATA_DISPLAY: block. The dec and ascii conversion routines appear to place a 3 byte value starting at memory location 50H. Using your figure of dec 78, 38 is at 50H, 37 is at 51H and 00 is at 52H. These are the ascii numbers.
The display routine pulls the byte from 50H, stores it in R1 and destroys the indirect pointer that was there. Then the byte is sent a nibble at a time to the display. Then the program goes back, gets a new conversion and starts all over again. All this program will do is to try and display the least significant digit. On startup, does the display show the words from the init section, such as "ACTUAL", "TEMP", "SET", "MODE", "JB" ? |
| Topic | Author | Date |
| How to display data from a ADC0808 to a LCD | 01/01/70 00:00 | |
| Comments, please | 01/01/70 00:00 | |
| Comments | 01/01/70 00:00 | |
| Code Fragments | 01/01/70 00:00 | |
| Commenst added, reply to hal | 01/01/70 00:00 | |
| comments | 01/01/70 00:00 | |
| comments | 01/01/70 00:00 | |
| Program flow | 01/01/70 00:00 | |
| comments | 01/01/70 00:00 | |
| Clarification & Suggestions | 01/01/70 00:00 | |
| GREAT HELP | 01/01/70 00:00 | |
| Data Display loop | 01/01/70 00:00 | |
| Worked sorta | 01/01/70 00:00 | |
| The output | 01/01/70 00:00 | |
| I looked at it wrong | 01/01/70 00:00 | |
| Works | 01/01/70 00:00 | |
| Great news! | 01/01/70 00:00 | |
| Thank you | 01/01/70 00:00 | |
| You're Welcome | 01/01/70 00:00 | |
| A couple of questions | 01/01/70 00:00 | |
| Answers and questions | 01/01/70 00:00 | |
Thanks | 01/01/70 00:00 |