8086/8088 Registers
Register Set
Register |
Purpose |
| AX |
Accumulator |
| BX |
Base |
| CX |
Counter |
| DX |
Data |
| SI |
Source Index |
| DI |
Destination Index |
| SP |
Stack pointer |
| BP |
Base pointer |
| CS |
Code Segment |
| DS |
Data Segment |
| SS |
Stack Segment |
| ES |
Extra Segment |
| FLAGS |
Operation Flags |
Flags
Bit |
Mneomonic |
Use |
| 0 |
CF |
Carry Flag |
| 1 |
| 2 |
PF |
Parity Flag |
| 3 |
| 4 |
AF |
Auxiliary Flag |
| 5 |
| 6 |
ZF |
Zero Flag |
| 7 |
SF |
Sign Flag |
| 8 |
TF |
Trap Flag |
| 9 |
IF |
Interrupt Flag |
| 10 |
DF |
Direction Flag |
| 11 |
OF |
Overflow Flag |
| 12 |
| 13 |
| 14 |
| 15 |
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Updated:
1999/03/27
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1996 by Oliver Lawrence.
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