在驱动程序初始化期间，在 NTVDM.exe 下的 32 位 Windows 10 21H2（OS Build 19044.1466）上运行时，是否可以从c:\windows\system32\config.nt加载的驱动程序获取键盘输入？此时我只是想模拟“按任意键继续...”
我已经尝试过 DOS API AH=08h INT 21h 和 BIOS API AH=00h INT 16h 但两者似乎都冻结并且没有检测到输入。
代码：
; *******************************************************************
; * Press Any Key To Continue DRIVER *
; *******************************************************************
cseg segment para public 'code'
presskey proc far
assume cs:cseg,es:cseg,ds:cseg
; *******************************************************************
; * MAIN PROCEDURE CODE *
; *******************************************************************
begin:
; *******************************************************************
; * DEVICE HEADER - REQUIRED BY DOS *
; *******************************************************************
next_dev dd -1 ; no other device drivers
attribute dw 8000h ; character device
strategy dw dev_strategy ; address of 1st dos call
interrupt dw dev_interrupt ; address of 2nd dos call
dev_name db 'PRESSKEY$ ' ; name of the driver
; *******************************************************************
; * WORK SPACE FOR THE DEVICE DRIVER *
; *******************************************************************
rh_ofs dw ? ; request header offset
rh_seg dw ? ; request header segment
msg1 db 07h
db 'Press any key to continue...'
db 0dh,0ah,07h,'$'
; *******************************************************************
; * THE STRATEGY PROCEDURE *
; *******************************************************************
dev_strategy: ; first call from DOS
mov cs:rh_seg,es ; save request header ptr segment
mov cs:rh_ofs,bx ; save request header ptr offset
ret
; *******************************************************************
; * THE INTERRUPT PROCEDURE *
; *******************************************************************
dev_interrupt: ; second call from DOS
cld ; save machine state on entry
push ds
push es
push ax
push bx
push cx
push dx
push di
push si
; perform branch based on the command passed in the req header
mov al,es:[bx]+2 ; get command code
cmp al,0 ; check for 0
jnz exit3 ; no - exit go to error exit
rol al,1 ; get offset into table
lea di,cmdtab ; get address of command table
mov ah,0 ; clear hi order
add di,ax ; add offset
jmp word ptr[di] ; jump indirect
; command table
; the command code field of the static request
; field contains the function to be performed
cmdtab label byte ;
dw init ; initialization
; *******************************************************************
; * LOCAL PROCEDURES *
; *******************************************************************
initial proc near
lea dx,msg1 ; initialization
mov ah,9 ; message
int 21h ; dos call
mov ah,0 ; wait for key press
int 16h
ret ; return
initial endp
; *******************************************************************
; * DOS COMMAND PROCESSING *
; *******************************************************************
;command 0 initialization
init: call initial ; display a message
lea ax,exit ; get end address (offset)
mov es:[bx]+0eh,ax ; store offset address
push cs ; get end
pop ax ; address (segment)
mov es:[bx]+10h,ax ; store in break address
jmp exit2
; *******************************************************************
; * ERROR EXIT *
; *******************************************************************
; Set the done flag, error flag, and unknown command error code
exit3: mov es:word ptr 3[bx],8103h
jmp exit1 ; restore environment
; *******************************************************************
; * COMMON EXIT *
; *******************************************************************
; common exits fall thru code
; 2 sets status to done and no error
; 1 restore callers es:bx
; 0 restore machine state and exit
exit2: ; set done flag and no error
mov es:word ptr 3[bx],0100h
exit1: mov bx,cs:rh_ofs ; restore req hdr to bx and es
mov es,cs:rh_seg ; as saved by dev_Strategy
exit0: pop si ; restore all registers
pop di
pop dx
pop cx
pop bx
pop ax
pop es
pop ds
ret
exit:
; *******************************************************************
; * END OF PROGRAM *
; *******************************************************************
presskey endp
cseg ends
end begin
; that's all folks!
我正在用 masm 构建：
masm presskey.asm
link presskey
exe2bin presskey.exe presskey.sys