assembly reference
UNDER THE COVERS
Number Representation: bases & unsigned integers · signed integers · floats & IEEE 754ASCII Characters: about ascii · ascii: 00-7f (0-127) 80-ff (128-255) ·
Unicode Characters: about unicode & utf · unicode character list
Space & Time: bits, bytes & megabytes · powers of 2 · speed & time
Instructions: intel 8086 opcodes · emu 8086 instructions · opcode by hex # (explained)
EMULATORS
emu8086: reference · tutorials · template.asm .lst .png · zipmicrosim: microSim · microsim doc
Representing the Number 5
EVERYTHING is stored as a binary code (1s and 0s), but there are MANY codes...
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ASCII character: 0011 0101
UTF-8 unicode: 0011 0101 (same as ASCII in 8 bits)
Unsigned decimal(8 bits): 0000 0101
Signed decimal(8): 0000 0101 (same as unsigned for a positive #)
Unsigned decimal(16): 0000 0000 0000 0101
Unsigned decimal(32): 0000 0000 0000 0000 0000 0000 0000 0101
Floating Point (float): 0100 0000 1010 0000 0000 0000 0000 0000
Double (double): 0100 0000 0001 0100 0000 0000 0000 0000
0000 0000 0000 0000 0000 0000 0000 0000
References
assembly language workbookdebugging in visual studio
debugging an exe (no source)
asm community | masm 32 | starman
axe hex editor
Assembly Code
emu8086: template.asm | .lst | .pngemu8086: add.asm | .lst
emu8086: palin.asm | .lst
emu8086: example code (jupiter)
code from detmer text on jupiter
code from irvine text on jupiter
Mixed C++ and Assembly Code
mixed assembly and C++ codecalling C++ from assembly (pdf)
dungeon game (exe - GF)
binary bomb: defuse it? -- debug it!
