Assembly Language for Beginners

9.2. INFORMATION ENTROPY This means, almost all available space inside of byte is filled with information. 256 bytes in range of ...

9.3 Millenium game save file. rt=rt+"T" else: rt=rt+"F" print rt Sample:...TTTFTFTTTFFFTTTFTTTTTTFTTFFTTTFTFTTFTTFFFFFF.... Entr ...

9.3. MILLENIUM GAME SAVE FILE So there is a mine in the game. Mines at some planets work faster, or slower on others. The set of ...

9.3. MILLENIUM GAME SAVE FILE Figure 9.15:Mine: state 2 Let’s save game state again. Now let’s try to just do binary comparison ...

9.3. MILLENIUM GAME SAVE FILE We have 22 and 155 “units” respectively in the second state. If these values are saved into the sa ...

9.3. MILLENIUM GAME SAVE FILE Here is the new version of file opened in Hiew, we marked the values related to the resources mine ...

9.3. MILLENIUM GAME SAVE FILE Let’s check our assumptions. We will write the 1234 (0x4D2) value at the first position (this must ...

9.3. MILLENIUM GAME SAVE FILE Now let’s try to finish the game as soon as possible, set the maximal values everywhere: Figure 9. ...

9.4fortuneprogram indexing file. Let’s skip some “days” in the game and oops! We have a lower amount of some resources: Figure 9 ...

9.4. FORTUNE PROGRAM INDEXING FILE A tall, dark stranger will have more fun than you. % ... So it is just phrases, sometimes mul ...

9.4. FORTUNE PROGRAM INDEXING FILE Out[]= {2, 431, 187, 15, 0, 620756992, 0, 43, 96, 143, 223, 276, \ 328, 380, 427, 486, 544, 5 ...

9.4. FORTUNE PROGRAM INDEXING FILE % od -t x1 --address-radix=x --skip-bytes=0x32 fortunes.dat 000032 01 48 00 00 01 7c 00 00 01 ...

9.4. FORTUNE PROGRAM INDEXING FILE I have no idea what other values mean, except the size of index file. Some fields are the sam ...

9.5 Oracle RDBMS: .SYM-files Then this fortunes.dat file. I take header from the original fortunes.dat, I changed second field ( ...

9.5. ORACLE RDBMS: .SYM-FILES _opiodr()+1248 CALLreg 00000000 5E 1C EB1F0A0 _ttcpip()+1051 CALLreg 00000000 5E 1C EB1F0A0 0 _opi ...

9.5. ORACLE RDBMS: .SYM-FILES Here is the file opened in Hiew: Figure 9.22:The whole file in Hiew By comparing the file with oth ...

9.5. ORACLE RDBMS: .SYM-FILES We will mark the OSYM signatures and strings here: Figure 9.23:OSYM signature and text strings Wel ...

9.5. ORACLE RDBMS: .SYM-FILES It’s a general feature of almost all binary files: a header with a signature plus some other infor ...

9.5. ORACLE RDBMS: .SYM-FILES Let’s see the binary block in Hiew: Figure 9.24:Binary block There is a clear pattern in it. ...

9.5. ORACLE RDBMS: .SYM-FILES We will add red lines to divide the block: Figure 9.25:Binary block patterns Hiew, like almost any ...