??? 07/10/09 10:00 Read: times |
#166983 - Really?? Responding to: ???'s previous message |
Joe Gold said:
newer 80c51 "tend" to have ram in different places. Surely the "DATA" (directly-addressable, 00-7F) and "IDATA" (indirectly-addressable, 00-FF) spaces are integral to the architecture and the instruction set - so they can't change? |
Topic | Author | Date |
Stack Pointer and available RAM | 01/01/70 00:00 | |
"Internal" RAM - basics | 01/01/70 00:00 | |
some confusion with your links | 01/01/70 00:00 | |
Follow: can I use 08H through 2FH for general purpose RAM | 01/01/70 00:00 | |
08 thru 2F as additional RAM | 01/01/70 00:00 | |
use the indirect method for upper RAM, take care of Stack | 01/01/70 00:00 | |
the limits for simple storage | 01/01/70 00:00 | |
Direct method, Indirect Method or C compiler ? | 01/01/70 00:00 | |
READ "THE BIBLE" | 01/01/70 00:00 | |
Tell us which exact 80c51 you are using | 01/01/70 00:00 | |
Really?? | 01/01/70 00:00 | |
a long time ago | 01/01/70 00:00 | |
Another option for usage of Register Banks | 01/01/70 00:00 | |
instead of getting it piecemeal | 01/01/70 00:00 | |
I think therefore I ask | 01/01/70 00:00 | |
WRONG | 01/01/70 00:00 | |
according to the PDF | 01/01/70 00:00 | |
Program in Assembler?? | 01/01/70 00:00 | |
assembler only![]() | 01/01/70 00:00 |