Compiler version:2.6
HW:8051s (Microsemi)
I am using Soft Console IDE which uses SDCC.
The generated internal RAM map uses space from 0x46 to 0xFF; I thought SFRs
start at 0x80.
Does the compiler needs to be told explicitly not to go beyond 0x7F?
I do intend to get the newer version of SDCC.
Internal RAM layout:
0 1 2 3 4 5 6 7 8 9 A B C D E F
0x00:|0|0|0|0|0|0|0|0|I|I|I|I|I|I|I|I|
0x10:|I|I|I|I|I|I|I|I|a|a|a|a|a|a|a|a|
0x20:|b|b|b|b|b|b|b|b|b|b|b|b|b|b|b|b|
0x30:|b|b|b|b|b|b|b|b|b|b|b|b|b|b|b|b|
0x40:|b|Q|Q|Q|Q|Q|S|S|S|S|S|S|S|S|S|S|
0x50:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0x60:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0x70:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0x80:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0x90:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0xa0:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0xb0:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0xc0:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0xd0:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0xe0:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0xf0:|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|S|
0-3:Reg Banks, T:Bit regs, a-z:Data, B:Bits, Q:Overlay, I:iData, S:Stack,
A:Absolute
Stack starts at: 0x46 (sp set to 0x45) with 186 bytes available.
Other memory:
Name Start End Size Max
---------------- -------- -------- -------- --------
PAGED EXT. RAM 0 256
EXTERNAL RAM 0x0000 0x08c9 2250 65536
ROM/EPROM/FLASH 0x0000 0x3863 14436 65536
Thanks,
Giri
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