1. Assembler (assembly language)

2. MASM (Microsoft’s Assembler)
What’s a compiler?
What’s an assembler?

3. Representing numbers (ints)
Fixed, finite number of bits.
bits bytes C/C++ Intel Sun
char [s]byte byte
short [s]word half
int or long [s]dword word
long long [s]qword xword

4. MASM (Microsoft’s Assembler)
Defining data in MASM:
[label] <tab> type <tab> val1[,…,valn] <tab> [;comment]
For unsigned int data, type may be byte, word, or dword. For signed int data, type may be sbyte, sword, sdword.

5. MASM (Microsoft’s Assembler)
[label] <tab> type <tab> val1[,…,valn] <tab> [;comment]
.data ;begin data section
count dword 0 ;counter - init to 0
tbl byte 1, 2, 4, 8, 16, 32, 64, 128 ;power-of-2 table .
.code ;begin code section