| ??? 11/26/08 14:24 Read: times |
#160319 - Loading DPTR with ascii code |
Dear all,
This is my first post. And I'm glad to participate to this forum. I used to send text message from my uC to my PC. I have done this already for years but there is still one code that I like to know what really happens. It is the code where you load the DPTR register with ascii-code for text. I think the most of us know this code. MOV DPTR, #TEXT TEXT: DB "Hello World", 13, 0 The DB instruction translate the characters to ascii-code so the "Hello world” will be 48h 45h 4ch 4ch 20h 57h 4fh 52h 4ch 44h 0dh 00h When I load DPTR with text what happen then?? The DPTR is a 16bit word. All help will be greatly appreciated. Have a nice day!! |
| Topic | Author | Date |
| Loading DPTR with ascii code | 01/01/70 00:00 | |
| Used to? | 01/01/70 00:00 | |
| Indirect addressing mode on text | 01/01/70 00:00 | |
| How an assembler works | 01/01/70 00:00 | |
| that is context sensitive! | 01/01/70 00:00 | |
| It depends ... read the datasheet ... then guess | 01/01/70 00:00 | |
| Right back to basics - really foundational stuff | 01/01/70 00:00 | |
| The one thing it most certainly does not do... | 01/01/70 00:00 | |
Thanks!! | 01/01/70 00:00 |