| ??? 12/19/06 06:22 Read: times |
#129714 - It Adds Responding to: ???'s previous message |
It moves the Byte pointed to by Dptr+ Acc
i.e. A = 5 dptr =0x100 the move the Byte address 0x105. This limits you to 255 bytes from the base. fine for you since you are only going 128 You Need to read the 8051 bible. It gives a list of the direct and indirect move instrutions. |
| Topic | Author | Date |
| newbie: offsetting the dptr | 01/01/70 00:00 | |
| additional info | 01/01/70 00:00 | |
| do you have external data memory at all? | 01/01/70 00:00 | |
| Exteranal or Internal RAM | 01/01/70 00:00 | |
| In response to Jan and Neil | 01/01/70 00:00 | |
| MOVX @DPTR,A | 01/01/70 00:00 | |
| In response to Jon | 01/01/70 00:00 | |
| Indexing | 01/01/70 00:00 | |
| In response to Hans | 01/01/70 00:00 | |
| Indexing | 01/01/70 00:00 | |
| In response to Hans | 01/01/70 00:00 | |
| the reason is | 01/01/70 00:00 | |
| In response to Russell | 01/01/70 00:00 | |
| Be careful who you listen to! | 01/01/70 00:00 | |
| movx a,@dptr | 01/01/70 00:00 | |
| In response to Neil | 01/01/70 00:00 | |
| It Adds | 01/01/70 00:00 | |
| ?????? | 01/01/70 00:00 | |
| oopps no | 01/01/70 00:00 | |
| error | 01/01/70 00:00 | |
| error | 01/01/70 00:00 | |
movx/movc | 01/01/70 00:00 |