Checksum calculation example

Can you tell me, what does "unsigned char CODE *" mean in checksum = calc_checksum ((unsigned char code *) 0, 0x4000); from "csumex" Keil example. My c166 compiler can't complile it. ...
Checksum calculation example

Can you tell me, what does "unsigned char CODE *" mean in checksum = calc_checksum ((unsigned char code *) 0, 0x4000); from "csumex" Keil example. My c166 compiler can't complile it. ...
0x0-0xFA00 checksum calculation

Hi there! Can anybody help me with my problem? If I calculate checksum from 0x0 to 0x3000 - it is OK. But if I want to calculate 0x0 to 0xFA00 range - checksum is different every microcontroller...
0x0-0xFA00 checksum calculation

Hi there! Can anybody help me with my problem? If I calculate checksum from 0x0 to 0x3000 - it is OK. But if I want to calculate 0x0 to 0xFA00 range - checksum is different every microcontroller...
at the startup to calculate checksum of software in ARM7

how to calculate the checksum of the hex file generated by the keil cross-compiler,after startup i want to calculate checksum and want to see in the pc what is that checksum