Debug .
1. . E . , .
- 100
3756:0100 4.01 85.D8
01h D8h 3756:0100 3756:0101. , , , . , Debug ( E4 85) 100h 101h .
2. . D . , , .
-D 100
3. . :
- A
, , (, 100h). Enter. Enter. .
. 100h ADD AX,BX.
4. . R:
- R
AX=0000 BX=0000 CX=0000 DX=0000 SP=FFEE BP=0000 SI=0000 DI=0000
DS=3756 CS=3756 ES=3756 SS=3756 IP=0100 NV UP DI PL NZ NA PO NC
3756:0100 01D8 ADD AX,BX
. , .
(AX, BX, CX, DX), (SP, BP) (SI, DI).
. , , . Debug , h.
(DS, CS, ES, SS). , , . IP. 100 h, .
. , IP. : (, CS), , (, IP). ( ) , IP, 01D8 ADD AX,BX ( AX BX, AX), .
|
|
, R .
5. T. , IP.
6. .
, . BIOS 0040:0013,
-d 0040:0013.
7. .
: NumLock, ScrollLock, CapsLock, Ins BIOS 0000h:0417h 0000h:0418h.
0000h:0417h:
Shift. | |
Shift. | |
Ctrl-Shift . | |
Alt-Shift . | |
ScrollLock. | |
NumLock. | |
CapsLock. | |
Insert. |