AMD Am186 Series, Instruction Set

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Instruction Set Listing 3-2
3.1.2 Binary Arithmetic
The microcontroller supports binary arithmetic using numbers represented in the two’s
complement system. The two’s complement system uses the high bit of an integer (a signed
number) to determine the sign of the number. Unsigned numbers have no sign bit.
Binary Addition Instructions
Binary Subtraction Instructions
Binary Multiplication Instructions
Binary Division Instructions
Binary Conversion Instructions
Mnemonic Name See Page
ADC Add Numbers with Carry 4-10
ADD Add Numbers 4-14
INC Increment Number by One 4-69
Mnemonic Name See Page
DEC Decrement Number by One 4-48
SBB Subtract Numbers with Borrow 4-216
SUB Subtract Numbers 4-240
Mnemonic Name See Page
IMUL Multiply Integers 4-63
MUL Multiply Unsigned Numbers 4-160
SAL Shift Arithmetic Left 4-211
SHL Shift Left ( Synonym for SAL) 4-211
Mnemonic Name See Page
DIV Divide Unsigned Numbers 4-50
IDIV Divide Integers 4-60
SAR Shift Arithmetic Right 4-214
SHR Shift Right 4-225
Mnemonic Name See Page
CBW Convert Byte Integer to Word 4-24
CWD Convert Word Integer to Doubleword 4-40
NEG Two’s Complement Negation 4-163