Labels:text | screenshot | document | font | number | parallel | black and white | receipt OCR: Function Name Input Registers Returned Registers Enable or Disable AH=0xOF None XON/XOFF Flow Control Enable Ctrl-C or AH=0x10 None Ctrl-K check AL=Flags Enable/disable Bit 0 = Control-C transmitter Control-K Check ( 1 = Enable 0 = Disable) Bit I = 1 Stop Transmitter Bit 1 = 0 Halt Previous Stop Block Read AH=0x18 AX=Count of Characters Read ES:DI = Buffer CX = Count Block Write AH=0x19 AX=Count of Characters Sent ES:DI = Buffer CX = Count Start or Stop Break AH=OxIA None AL=1 to Start AL=0 to Stop Get FOSSIL Driver AH=0x1B AX=Count of Bytes Placed Into Buffer Information ES:DI=Buffer CX=Number of bytes FOSSIL Keyboard & Video Functions Function Name Input Registers Returned Registers Keyboard Read AH=0xOD AX=Extended Character or OxFFFF If No (Non-destructive) Characters Available Keyboard Read with |AH=0x0E AX=Extended Character Wait Set Cursor Position [AH=0x11 None [DH=Row ( 0-relative) DL=Column ( O-relative) Get Cursor Position AH=0x12 DH=Row (0-relative) DL=Column (O-relative) Display Char with AH == 0x13 None ANSI support AL=Character Display Character |AH=0x15 None (re-entrant for DOS AL=Character device drivers) FOSSIL Miscellaneous Functions Function Name Input Registers Returned Registers Retum System Timer AH=7 AL=Timer Interrupt Number Parmns AHI=Approximate Number of Ticks Per Second DX=Approximate Number of Milliseconds- per-tick Watchdog control AH=0x14 None AL=1 to Enable AL=0 to Disable DX=Port number Add Timer Func AH=0x16 AX=0 Success Al=1 Insert AX=0xFFFF Failure AL=0 Remove ES:DX=Timer Handler Function Address Reboot System AH=0x17 | No Return Value Possible
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