VCOMM_PM_API_ReadString

include vcomm.inc

mov     ax, VCOMM_PM_API_ReadString  ;function number
mov     ebx, hPort
les     dx, buf
mov     cx, cnt
mov     si, es            ;address of buffer in si:dx
les     di, res           ;address to receive count in es:di
call    [_VCOMMCallAddr]
 

Calls the _VCOMM_ReadComm service.

hPort
Communications resource handle.
buf
Address of buffer that receives the data.
cnt
Number of characters to read.
res
Address of a 32-bit variable that receives the number of characters read.

See Also

_VCOMM_ReadComm